FEBRUARY 2026 Rev. Feb. 10, 2026 HST Date HST Time TO Remote Prog & PI Instr SA Comments Feb. 1 Su 18:25 18:55 --- --- facility open Open Late 18:55 02:30 X 041 Bhat SpeX/MORIS ACB Feb. 2 Mo 02:30 03:00 --- --- inst. change 03:00 06:15 X 050 MacLennan MIRSI/MOC/`Opihi MSC 06:15 06:25 --- --- facility close Feb. 2 Mo 12:00 12:30 --- --- facility open 12:30 13:00 --- --- inst. change 13:00 18:00 X 024 Gibb iSHELL ACB Daylight Obs 18:00 23:00 X 037 Melin iSHELL ACB 23:00 23:30 --- --- inst. change 23:30 03:00 X 999 Engineering MIRSI/MOC/`Opihi JTR Feb. 3 Tu 03:00 07:00 X 050 MacLennan MIRSI/MOC/`Opihi MSC 07:00 07:10 --- --- facility close Feb. 3 Tu 16:00 16:30 --- --- facility open 16:30 18:15 X 084 Honda MIRSI/MOC MSC Daylight Obs 18:15 19:00 X 084 Honda MIRSI/MOC MSC 19:00 19:30 --- --- inst. change 19:30 22:00 X 069 Champagne SpeX/MORIS/`Opihi MSC 22:00 23:30 X 061 Pettine SpeX ACB Occultation 23:30 04:05 X 086 Harish SpeX/MORIS MSC Feb. 4 We 04:05 06:05 X 999 Engineering SpeX/MORIS MSC 06:05 06:15 --- --- facility close Feb. 4 We 12:00 12:30 --- --- facility open 12:30 13:00 --- --- inst. change 13:00 18:15 X 024 Gibb iSHELL ACB Daylight Obs 18:15 23:45 X 012 Lee iSHELL MSC 23:45 00:15 --- --- inst. change Feb. 5 Th 00:15 00:45 X 092 Quirino SpeX MSC First Night 00:45 01:30 X 073 LeBaron SpeX MSC 01:30 06:05 X 055 Hoogendam SpeX/MORIS ACB 06:05 06:15 --- --- facility close 10:00 16:00 --- --- inst. change Feb. 5 Th 17:45 18:15 --- --- facility open 18:15 22:45 X 037 Melin iSHELL ACB 22:45 23:15 --- --- inst. change 23:15 05:05 X 074 Chilingarian SpeX/MORIS WAS Feb. 6 Fr 05:05 05:35 --- --- inst. change 05:35 05:45 --- --- facility close Feb. 6 Fr 17:45 18:15 --- --- facility open 18:15 23:00 995 Schmidt iSHELL ACB 23:00 23:30 --- --- inst. change 23:30 05:05 X 079 Medler SpeX/MORIS ACB Feb. 7 Sa 05:05 05:35 --- --- inst. change 05:35 05:45 --- --- facility close Feb. 7 Sa 17:45 18:15 --- --- facility open 18:15 23:35 X 012 Lee iSHELL MSC 23:35 00:05 --- --- inst. change Feb. 8 Su 00:05 05:05 X 040 Panda SpeX WAS 05:05 05:35 --- --- inst. change 05:35 05:45 --- --- facility close Feb. 8 Su 17:45 18:15 --- --- facility open 18:15 22:45 X 037 Melin iSHELL ACB 22:45 23:15 --- --- inst. change 23:15 23:45 X 061 Pettine SpeX ACB Service 23:45 01:15 X 009 Bennert SpeX MSC Service Feb. 9 Mo 01:15 05:35 X 090 Pazhayath Ravi SpeX/MORIS WAS 05:35 05:45 --- --- facility close Feb. 9 Mo 17:45 18:15 --- --- facility open 18:15 23:35 X 058 Emerson SpeX ACB 23:35 05:35 X 077 Medler SpeX/MORIS ACB Feb. 10 Tu 05:35 05:45 --- --- facility close Feb. 10 Tu 17:45 18:15 --- --- facility open 18:15 20:30 X 064 Abraham SpeX MSC 20:30 00:05 010 Bolin SpeX/MORIS WAS Feb. 11 We 00:05 01:35 X 092 Quirino SpeX MSC Occultation 01:35 05:35 011 Bolin SpeX/MORIS WAS 05:35 05:45 --- --- facility close 10:00 16:00 --- --- inst. change Feb. 11 We 17:45 18:15 --- --- facility open 18:15 22:30 X 037 Melin iSHELL ACB 22:30 23:00 --- --- inst. change 23:00 02:30 X 038 Avdellidou SpeX/MORIS MSC Feb. 12 Th 02:30 05:35 X 075 Thomas SpeX/MORIS WAS 05:35 05:45 --- --- facility close Feb. 12 Th 17:45 18:15 --- --- facility open 18:15 22:45 X 994 Zamudio SpeX ACB 22:45 05:35 X 028 Lucas SpeX/MORIS WAS Feb. 13 Fr 05:35 05:45 --- --- facility close Feb. 13 Fr 12:30 13:00 --- --- facility open 13:00 13:30 --- --- inst. change 13:30 18:15 X 024 Gibb iSHELL ACB Daylight Obs 18:15 23:15 X 099 DeWitt iSHELL ACB 23:15 05:50 X 060 Srinivasan iSHELL ACB First Night Feb. 14 Sa 05:50 06:00 --- --- facility close Feb. 14 Sa 13:00 13:30 --- --- facility open 13:30 18:00 X 024 Gibb iSHELL ACB Daylight Obs 18:00 22:15 X 037 Melin iSHELL ACB 22:15 22:45 --- --- inst. change 22:45 23:15 X 061 Pettine SpeX ACB Service 23:15 00:50 X 009 Bennert SpeX MSC Service Feb. 15 Su 00:50 05:50 X 087 Pfeffer SpeX/MORIS ACB 05:50 06:00 --- --- facility close Feb. 15 Su 18:00 18:30 --- --- facility open 18:30 21:30 X 069 Champagne SpeX/MORIS/`Opihi MSC 21:30 05:50 X 075 Thomas SpeX/MORIS WAS Feb. 16 Mo 05:50 06:00 --- --- facility close Feb. 16 Mo 18:00 18:30 --- --- facility open 18:30 23:00 X 994 Zamudio SpeX ACB 23:00 05:50 X 013 Reddy SpeX/MORIS WAS Feb. 17 Tu 05:50 06:00 --- --- facility close 10:00 16:00 --- --- inst. change Feb. 17 Tu 18:00 18:30 --- --- facility open 18:30 22:15 X 037 Melin iSHELL ACB 22:15 22:45 --- --- inst. change 22:45 23:45 X 073 LeBaron SpeX MSC 23:45 02:45 X 010 Bolin SpeX/MORIS WAS Feb. 18 We 02:45 05:50 X 999 Engineering TBD ACB 05:50 06:00 --- --- facility close Feb. 18 We 18:00 18:30 --- --- facility open 18:30 01:30 X 032 Howell SpeX WAS Feb. 19 Th 01:30 05:50 X 013 Reddy SpeX/MORIS WAS 05:50 06:00 --- --- facility close Feb. 19 Th 18:00 18:30 --- --- facility open 18:30 20:00 X 058 Emerson SpeX ACB 20:00 21:30 X 061 Pettine SpeX ACB Occultation 21:30 01:00 X 041 Bhat SpeX/MORIS WAS Feb. 20 Fr 01:00 05:50 X 079 Medler SpeX/MORIS ACB 05:50 06:00 --- --- facility close Feb. 20 Fr 17:30 18:00 --- --- facility open Open Early 18:00 18:30 --- --- inst. change 18:30 23:00 X 072 Oliveira iSHELL ACB 23:00 23:30 --- --- inst. change 23:30 00:05 X 092 Quirino SpeX MSC Feb. 21 Sa 00:05 04:05 X 049 MacLennan SpeX/MORIS MSC 04:05 05:20 X 999 Engineering TBD ACB 05:20 05:30 --- --- facility close Feb. 21 Sa 18:00 18:30 --- --- facility open 18:30 21:30 X 069 Champagne SpeX/MORIS/`Opihi MSC 21:30 00:30 X 032 Howell SpeX WAS Feb. 22 Su 00:30 05:50 X 006 Rackham SpeX WAS 05:50 06:00 --- --- facility close Feb. 22 Su 12:00 12:30 --- --- facility open 12:30 13:00 --- --- inst. change 13:00 18:00 X 024 Gibb iSHELL ACB Daylight Obs 18:00 18:40 X 024 Gibb iSHELL ACB 18:40 22:50 X 072 Oliveira iSHELL ACB 22:50 23:20 --- --- inst. change 23:20 23:50 X 061 Pettine SpeX ACB Service 23:50 05:50 X 074 Chilingarian SpeX/MORIS WAS Feb. 23 Mo 05:50 06:00 --- --- facility close Feb. 23 Mo 12:00 12:30 --- --- facility open 12:30 13:00 --- --- inst. change 13:00 18:00 X 024 Gibb iSHELL ACB Daylight Obs 18:00 18:30 X 024 Gibb iSHELL ACB 18:30 19:00 --- --- inst. change 19:00 01:00 X 033 Orton SpeX/MORIS WAS Feb. 24 Tu 01:00 01:30 --- --- inst. change 01:30 04:30 X 039 Lopez-Oquendo MIRSI/MOC/`Opihi MSC 04:30 05:50 X 999 Engineering TBD ACB 05:50 06:00 --- --- facility close Feb. 24 Tu 12:00 12:30 --- --- facility open 12:30 13:00 --- --- inst. change 13:00 18:00 X 024 Gibb iSHELL ACB Daylight Obs 18:00 18:30 X 024 Gibb iSHELL ACB 18:30 19:00 --- --- inst. change 19:00 01:00 X 033 Orton SpeX/MORIS WAS Feb. 25 We 01:00 02:30 X 009 Bennert SpeX MSC Service 02:30 05:50 X 055 Hoogendam SpeX/MORIS ACB 05:50 06:00 --- --- facility close 10:00 16:00 --- --- inst. change Feb. 25 We 17:00 17:30 --- --- facility open 17:30 21:30 X 999 Engineering TEXES ACB Dec<+39 21:30 22:30 X 008 Giles TEXES ACB Dec<+39 22:30 01:30 X 052 Spencer TEXES ACB Dec<+39 Feb. 26 Th 01:30 02:00 --- --- inst. change 02:00 03:00 X 999 Engineering TBD ACB Dec<+39 03:00 05:00 X 050 MacLennan MIRSI/MOC/`Opihi MSC Dec<+39 05:00 07:00 X 050 MacLennan MIRSI/MOC/`Opihi MSC Daylight Obs, Dec<+39 07:00 07:10 --- --- facility close 10:00 16:00 --- --- inst. change Feb. 26 Th 17:00 17:30 --- --- facility open 17:30 22:30 X 008 Giles TEXES ACB Dec<+39 22:30 01:30 X 052 Spencer TEXES ACB Dec<+39 Feb. 27 Fr 01:30 02:00 --- --- inst. change 02:00 03:00 X 999 Engineering TBD ACB Dec<+39 03:00 05:00 X 050 MacLennan MIRSI/MOC/`Opihi MSC Dec<+39 05:00 07:00 X 050 MacLennan MIRSI/MOC/`Opihi MSC Daylight Obs, Dec<+39 07:00 07:10 --- --- facility close Feb. 27 Fr 16:30 17:00 --- --- facility open 17:00 17:30 --- --- inst. change 17:30 21:30 X 008 Giles TEXES ACB Dec<+39 21:30 22:30 044 Toogood TEXES ACB Dec<+39 22:30 01:30 X 052 Spencer TEXES ACB Dec<+39 Feb. 28 Sa 01:30 02:00 --- --- inst. change 02:00 03:00 X 999 Engineering TBD ACB Dec<+39 03:00 04:30 X 050 MacLennan SpeX/MORIS/`Opihi MSC Dec<+39 04:30 07:00 X 050 MacLennan SpeX/MORIS/`Opihi MSC Daylight Obs, Dec<+39 07:00 07:10 --- --- facility close Feb. 28 Sa 16:30 17:00 --- --- facility open 17:00 17:30 --- --- inst. change 17:30 22:30 044 Toogood TEXES ACB Dec<+39 22:30 01:30 X 052 Spencer TEXES ACB Dec<+39 Observer List 006 Benjamin Rackham, Adam Burgasser, Christopher Theissen 008 Rohini Giles, Thomas Greathouse 009 Vardha Bennert, Matilde Signorini, Yan-Rong Li, Tommaso Treu, Hermine Landt, Aaron Barth, Benjamin Boizelle, Michael Brotherton, Ed Cackett, Juan Hernandez Santisteban, Keith Horne, Matthew Malkan, John Montano, Pu Du, Jinyi Shangguan, Andrew Stephens, Yoon Chan Taak, Stefano Valenti, Lizvette Villafana 010 Bryce Bolin, Chrysa Avdellidou, Marco Delbo, Casey Lisse, Keith Noll, Alessandro Morbidelli, Greg Engh, Laura-May Abron 011 Bryce Bolin, Chrysa Avdellidou, Marco Delbo, Laura-May Abron, Greg Engh, Casey Lisse, Keith Noll, Alessandro Morbidelli 012 Ellen Lee, Christian Flores, Mike Connelley 013 Vishnu Reddy, Juan Sanchez, Adam Battle, David Cantillo, Miren Miranda 024 Erika Gibb, Mohi Saki, Boncho Bonev, Michael DiSanti, Sara Faggi, Nathan Roth, Geronimo Villanueva, Manuela Lippi, Ron Vervack, Hideyo Kawakita 028 Michael Lucas, Michael Fauerbach, Joshua Emery, Richard Cartwright, Audrey Martin 032 Ellen Howell, Ron Vervack, Yanga Fernandez, Sean Marshall 033 Glenn Orton, Thomas Momary, Ali Hyder, Kevin Baines, Emma Dahl, Shawn Brueshaber, James Sinclair, Leigh Fletcher, Arrate Antunano, Alessandro Mura, Davide Grassi 037 Henrik Melin, Emma Thomas, Samantha Baranowska, Tom Stallard, Luke Moore, Paola Tiranti, Katie Knowles, Naoise Creery, James O'Donoghue, Naoise Creery 038 Chrysa Avdellidou, Ullas Bhat, Marco Delbo, Sunao Hasegawa, Kevin Walsh 039 Andy Lopez-Oquendo, Joe Hora, David Trilling 040 Swayamtrupta Panda, Jincen Jose, Suvendu Rakshit 041 Ullas Bhat, Chrysa Avdellidou, Marco Delbo 044 Simon Toogood, Arrate Antunano, Leigh Fletcher, Rohini Giles, Thomas Greathouse, Oliver King, Glenn Orton, Michael Roman, James Sinclair 049 Eric MacLennan, Ben Rider-Stokes, Samuel Jackson 050 Eric MacLennan, Aaron DeLeon, Anne Virkki, Tracy Becker, Sean Marshall, Marin Ferrais 052 John Spencer, Rohini Giles, Constantine Tsang 055 Willem Hoogendam, Benjamin Shappee, Jennifer Shi, Kyle Medler, Cameron Pfeffer, Chris Ashall, David Jones, Katie Auchettl 058 Kenji Emerson, Adwin Boogert 060 Sundar Srinivasan, Peter Scicluna, Iain McDonald, Arpan Ghosh, Alfonso Trejo 061 Madeline Pettine, Julie Rathbun 064 Peter Abraham, Agnes Kospal, Jozsef Varga, Claire Lykou, Gabriella Zsidi 069 Chansey Champagne, Cristina Thomas, Joshua Emery, Theodore Kareta, Benjamin Sharkey, Vishnu Reddy, Lucas McClure 072 Savio Barros Oliveira, Melissa McClure, Samuel Federman, Tom Megeath, Merel van 't Hoff, Edwin Bergin 073 Natalie LeBaron, Raffaella Margutti, Ryan Chornock, Daniel Siegel, Ryan Foley, Samaporn Tinyanont, Jeonghee Rho, Kyle Davis, Yen-Chen Pan, David Sand, Jeniveve Pearson, Nathan Smith, Kate Alexander, Danny Milisavljevic, Regis Cartier, Silvia Piranomonte, Andrea Melandri, Jennifer Andrews, Manisha Shrestha, David Radice, Katie Auchettl, Charlie Kilpatrick, Brian Metzger, Anirudh Patel, Shreya Anand, Luca Izzo, Tom Geballe, Kenta Hotokezaka, Almudena Arcones, Giacomo Ricigliano, Daniel Brethauer 074 Igor Chilingarian, Franz Bauer, Kirill Grishin, Evgenii Rubtsov 075 Cristina Thomas, John Rayner, Francesca DeMeo, Michael Marsset, Andy Rivkin, Joshua Emery, David Polishook, Brian Burt, Richard Binzel, Nicholas Moskovitz 077 Kyle Medler, Chris Ashall 079 Kyle Medler, Chris Ashall, Cameron Pfeffer, Willem Hoogendam 084 Mitsuhiko Honda, Osamu Ohshima, Osamu Hashimoto, Takashi Miyata, Yuki Kojima 086 Harish Harish, Josh Emery, Paul Hayne 087 Cameron Pfeffer, Christopher Ashall, Kyle Medler, Willem Hoogendam 090 Aravind Pazhayath Ravi, Jeonghee Rho, Seong Hyun Park, Samaporn Tinyanont, Stefano Valenti, Ryan Foley, Lindsey Kwok, David Sand, Manisha Shrestha, Charlie Kilpatrick, K. Azalee Bostroem, Jennifer Andrews, Yize Dong, Emily Hoang, Nicolas Meza Retamal, Darshana Mehta, Saurabh Jha, Kirsty Taggart, Jens Hjorth, Christa Gall, Gautham Narayan, Alexander Gagliano 092 Diogo Quirino, Pedro Machado, Joao Dias, Joao Duarte, Francisco Brasil, Mattias Green, Ricardo Trigo, Carlos da Camara, Rafael Silva, Jose Ribeiro, Daniela Espadinha 099 Curtis DeWitt MARCH 2026 HST Date HST Time TO Remote Prog & PI Instr SA Comments Mar. 1 Su 01:30 02:00 --- --- inst. change 02:00 04:20 X 999 Engineering TBD ACB Dec<+39 04:20 04:30 --- --- facility close Mar. 1 Su 17:00 17:30 --- --- facility open 17:30 18:00 --- --- inst. change 18:00 23:25 044 Toogood TEXES ACB Dec<+39 23:25 23:55 --- --- inst. change 23:55 04:50 X 017 Lucey SpeX MSC Dec<+39 Mar. 2 Mo 04:50 05:00 --- --- facility close Mar. 2 Mo 18:15 18:45 --- --- facility open 18:45 19:30 X 061 Pettine SpeX ACB Service; Dec<+39 19:30 06:05 X 017 Lucey SpeX MSC lunar eclipse; Dec<+39 Mar. 3 Tu 06:05 06:15 --- --- facility close 10:00 16:00 --- --- inst. change Mar. 3 Tu 17:00 17:30 --- --- facility open 17:30 23:25 076 Sinclair TEXES ACB Dec<+39 23:25 23:55 --- --- inst. change 23:55 04:50 X 017 Lucey SpeX MSC Dec<+39 Mar. 4 We 04:50 05:00 --- --- facility close 10:00 16:00 --- --- inst. change Mar. 4 We 17:00 17:30 --- --- facility open 17:30 00:30 076 Sinclair TEXES ACB Dec<+39 Mar. 5 Th 00:30 01:00 --- --- inst. change 01:00 04:50 X 039 Lopez-Oquendo MIRSI/MOC/`Opihi MSC Dec<+39 04:50 05:00 --- --- facility close 10:00 16:00 --- --- inst. change Mar. 5 Th 17:00 17:30 --- --- facility open 17:30 23:20 076 Sinclair TEXES ACB Dec<+39 23:20 23:50 --- --- inst. change 23:50 01:20 X 092 Quirino SpeX MSC Occultation; Dec<+39 Mar. 6 Fr 01:20 02:50 X 009 Bennert SpeX MSC Dec<+39, Service 02:50 04:50 X 999 Engineering TBD ACB Dec<+39 04:50 05:00 --- --- facility close Mar. 6 Fr 18:15 18:45 --- --- facility open 18:45 22:05 X 012 Lee iSHELL MSC 22:05 23:35 X 057 Jacob iSHELL ACB 23:35 00:05 --- --- inst. change Mar. 7 Sa 00:05 01:05 X 018 Marculewicz SpeX ACB First Night 01:05 06:05 X 079 Medler SpeX/MORIS ACB 06:05 06:15 --- --- facility close Mar. 7 Sa 17:35 18:05 --- --- facility open Open Early 18:05 19:35 X 061 Pettine SpeX ACB Occultation 19:35 05:25 X 096 Wong SpeX/MORIS MSC Mar. 8 Su 05:25 05:35 --- --- facility close Mar. 8 Su 14:45 15:15 --- --- facility open 15:15 15:45 --- --- inst. change 15:45 18:15 X 084 Honda MIRSI/MOC MSC Daylight Obs 18:15 18:45 --- --- inst. change 18:45 22:00 X 012 Lee SpeX MSC 22:00 23:00 X 092 Quirino SpeX MSC 23:00 00:05 X 073 LeBaron SpeX MSC Mar. 9 Mo 00:05 02:05 X 059 Madden-Watson SpeX/MORIS WAS 02:05 06:05 X 999 Engineering TBD ACB 06:05 06:15 --- --- facility close Mar. 9 Mo 18:15 18:45 --- --- facility open 18:45 00:45 X 014 Theissen SpeX WAS Mar. 10 Tu 00:45 01:45 X 018 Marculewicz SpeX ACB 01:45 06:05 X 040 Panda SpeX WAS 06:05 06:15 --- --- facility close Mar. 10 Tu 18:15 18:45 --- --- facility open 18:45 21:45 X 012 Lee SpeX MSC 21:45 06:05 X 074 Chilingarian SpeX/MORIS WAS Mar. 11 We 06:05 06:15 --- --- facility close 10:00 16:00 --- --- inst. change Mar. 11 We 18:15 18:45 --- --- facility open 18:45 21:15 X 099 DeWitt iSHELL ACB 21:15 06:05 X 060 Srinivasan iSHELL ACB Mar. 12 Th 06:05 06:15 --- --- facility close Mar. 12 Th 18:15 18:45 --- --- facility open 18:45 21:45 X 072 Oliveira iSHELL ACB 21:45 22:15 --- --- inst. change 22:15 05:35 X 016 Hardegree-Ullman SpeX MSC Mar. 13 Fr 05:35 06:05 --- --- inst. change 06:05 06:15 --- --- facility close Mar. 13 Fr 18:15 18:45 --- --- facility open 18:45 21:45 X 012 Lee SpeX MSC 21:45 23:15 X 009 Bennert SpeX MSC Service 23:15 00:15 X 018 Marculewicz SpeX ACB Mar. 14 Sa 00:15 06:05 X 090 Pazhayath Ravi SpeX/MORIS WAS 06:05 06:15 --- --- facility close Mar. 14 Sa 18:15 18:45 --- --- facility open 18:45 19:55 X 999 Engineering TBD ACB 19:55 21:25 X 061 Pettine SpeX ACB Occultation 21:25 01:05 X 019 Geem SpeX WAS Mar. 15 Su 01:05 06:05 X 087 Pfeffer SpeX/MORIS ACB 06:05 06:15 --- --- facility close Mar. 15 Su 18:15 18:45 --- --- facility open 18:45 21:15 X 091 Lisse SpeX/MORIS/`Opihi MSC 21:15 02:30 X 040 Panda SpeX WAS Mar. 16 Mo 02:30 03:00 --- --- inst. change 03:00 06:05 X 050 MacLennan MIRSI/MOC/`Opihi MSC 06:05 06:15 --- --- facility close 10:00 16:00 --- --- inst. change Mar. 16 Mo 18:15 18:45 --- --- facility open 18:45 21:45 X 058 Emerson SpeX ACB 21:45 23:15 X 009 Bennert SpeX MSC Service 23:15 00:15 X 018 Marculewicz SpeX ACB Mar. 17 Tu 00:15 02:30 X 999 Engineering TBD ACB 02:30 03:00 --- --- inst. change 03:00 06:05 X 050 MacLennan MIRSI/MOC/`Opihi MSC 06:05 06:15 --- --- facility close 10:00 16:00 --- --- inst. change Mar. 17 Tu 18:15 18:45 --- --- facility open 18:45 21:15 X 012 Lee SpeX MSC 21:15 22:15 X 073 LeBaron SpeX MSC 22:15 22:45 X 092 Quirino SpeX MSC 22:45 04:35 X 074 Chilingarian SpeX/MORIS WAS Mar. 18 We 04:35 06:05 X 003 Sitko SpeX WAS 06:05 06:15 --- --- facility close Mar. 18 We 18:15 18:45 --- --- facility open 18:45 21:15 X 058 Emerson SpeX ACB 21:15 21:45 X 061 Pettine SpeX ACB Service 21:45 01:05 X 071 Zhang SpeX/MORIS WAS Mar. 19 Th 01:05 04:35 X 055 Hoogendam SpeX/MORIS ACB 04:35 06:05 X 003 Sitko SpeX WAS 06:05 06:15 --- --- facility close Mar. 19 Th 18:15 18:45 --- --- facility open 18:45 06:05 X 013 Reddy SpeX/MORIS WAS Mar. 20 Fr 06:05 06:15 --- --- facility close Mar. 20 Fr 18:15 18:45 --- --- facility open 18:45 06:05 X 075 Thomas SpeX/MORIS WAS Mar. 21 Sa 06:05 06:15 --- --- facility close Mar. 21 Sa 18:15 18:45 --- --- facility open 18:45 22:00 X 088 Takir SpeX/MORIS WAS 22:00 23:30 X 092 Quirino SpeX MSC Occultation 23:30 00:30 X 018 Marculewicz SpeX ACB Mar. 22 Su 00:30 06:05 X 006 Rackham SpeX WAS 06:05 06:15 --- --- facility close Mar. 22 Su 18:15 18:45 --- --- facility open 18:45 22:45 X 010 Bolin SpeX/MORIS WAS 22:45 02:05 X 038 Avdellidou SpeX/MORIS MSC Mar. 23 Mo 02:05 06:05 X 088 Takir SpeX/MORIS WAS 06:05 06:15 --- --- facility close 10:00 16:00 --- --- inst. change Mar. 23 Mo 18:15 18:45 --- --- facility open 18:45 01:35 X 066 Maas iSHELL ACB Mar. 24 Tu 01:35 06:05 X 042 Banzatti iSHELL ACB 06:05 06:15 --- --- facility close 10:00 16:00 --- --- inst. change Mar. 24 Tu 18:15 18:45 --- --- facility open 18:45 20:45 X 056 Melis MIRSI/MOC MSC 20:45 21:15 --- --- inst. change 21:15 21:45 X 061 Pettine SpeX ACB Service 21:45 23:15 X 009 Bennert SpeX MSC Service 23:15 00:15 X 018 Marculewicz SpeX ACB Mar. 25 We 00:15 06:05 X 079 Medler SpeX/MORIS WAS 06:05 06:15 --- --- facility close Mar. 25 We 18:15 18:45 --- --- facility open 18:45 04:20 X 016 Hardegree-Ullman SpeX MSC Mar. 26 Th 04:20 06:05 X 003 Sitko SpeX ACB 06:05 06:15 --- --- facility close Mar. 26 Th 18:15 18:45 --- --- facility open 18:45 04:20 X 016 Hardegree-Ullman SpeX MSC Mar. 27 Fr 04:20 06:05 X 003 Sitko SpeX ACB 06:05 06:15 --- --- facility close Mar. 27 Fr 18:15 18:45 --- --- facility open 18:45 00:45 X 063 Chojnowski iSHELL ACB Mar. 28 Sa 00:45 06:05 X 999 Engineering TBD ACB 06:05 06:15 --- --- facility close Mar. 28 Sa 18:15 18:45 --- --- facility open 18:45 20:00 X 092 Quirino SpeX MSC 20:00 06:05 X 074 Chilingarian SpeX/MORIS ACB Mar. 29 Su 06:05 06:15 --- --- facility close Mar. 29 Su 18:15 18:45 --- --- facility open 18:45 22:45 X 032 Howell SpeX ACB 22:45 23:45 X 018 Marculewicz SpeX ACB 23:45 06:05 X 074 Chilingarian SpeX/MORIS ACB Mar. 30 Mo 06:05 06:15 --- --- facility close Mar. 30 Mo 15:30 16:00 --- --- facility open 16:00 18:15 X 033 Orton SpeX/MORIS ACB Daylight Obs 18:15 22:00 X 033 Orton SpeX/MORIS ACB 22:00 22:30 X 092 Quirino SpeX MSC 22:30 01:05 X 999 Engineering TBD ACB Mar. 31 Tu 01:05 01:35 --- --- inst. change 01:35 06:05 X 042 Banzatti iSHELL ACB 06:05 06:15 --- --- facility close Mar. 31 Tu 15:00 15:30 --- --- facility open 15:30 16:00 --- --- inst. change 16:00 18:15 X 033 Orton SpeX/MORIS ACB Daylight Obs 18:15 22:00 X 033 Orton SpeX/MORIS ACB 22:00 23:00 X 018 Marculewicz SpeX ACB 23:00 06:05 X 047 Bass SpeX/MORIS MSC First Night Observer List 003 Michael Sitko, Ray Russell 006 Benjamin Rackham, Adam Burgasser, Christopher Theissen 009 Vardha Bennert, Matilde Signorini, Yan-Rong Li, Tommaso Treu, Hermine Landt, Aaron Barth, Benjamin Boizelle, Michael Brotherton, Ed Cackett, Juan Hernandez Santisteban, Keith Horne, Matthew Malkan, John Montano, Pu Du, Jinyi Shangguan, Andrew Stephens, Yoon Chan Taak, Stefano Valenti, Lizvette Villafana 010 Bryce Bolin, Chrysa Avdellidou, Marco Delbo, Casey Lisse, Keith Noll, Alessandro Morbidelli, Greg Engh, Laura-May Abron 012 Ellen Lee, Christian Flores, Mike Connelley 013 Vishnu Reddy, Juan Sanchez, Adam Battle, David Cantillo, Miren Miranda 014 Christopher Theissen, Sarah Jiang, Daniella Bardalez Gagliuffi, Elisabeth Newton, Adam Burgasser, Jackie Faherty, Eileen Gonzales, Andrew Mann, Christian Aganze, Dino Hsu 016 Kevin Hardegree-Ullman, Sakhee Bhure, Jessie Christiansen, Rachel Fernandes, Kiersten Boley 017 Paul Lucey, Abigail Flom, Casey Honniball 018 Marcin Marculewicz, Hermine Landt, Ed Cackett, Yan-Rong Li, Jonathan Gelbord, Bozena Czerny 019 Jooyeon Geem, Yoonsoo P. Bach, Carey Lisse, Masateru Ishiguro, Max Mahlke, Bumhoo Lim, Sunho Jin, Hangbin Jo 032 Ellen Howell, Ron Vervack, Yanga Fernandez, Sean Marshall 033 Glenn Orton, Thomas Momary, Ali Hyder, Kevin Baines, Emma Dahl, Shawn Brueshaber, James Sinclair, Leigh Fletcher, Arrate Antunano, Alessandro Mura, Davide Grassi 038 Chrysa Avdellidou, Ullas Bhat, Marco Delbo, Sunao Hasegawa, Kevin Walsh 039 Andy Lopez-Oquendo, Joe Hora, David Trilling 040 Swayamtrupta Panda, Jincen Jose, Suvendu Rakshit 042 Andrea Banzatti, Juan Cano, Jacob Hyden, Ektor Galan, Adwin Boogert 044 Simon Toogood, Arrate Antunano, Leigh Fletcher, Rohini Giles, Thomas Greathouse, Oliver King, Glenn Orton, Michael Roman, James Sinclair 047 Christopher Bass, Driss Takir, Christopher Belanger, Emma Gross 050 Eric MacLennan, Aaron DeLeon, Anne Virkki, Tracy Becker, Sean Marshall, Marin Ferrais 055 Willem Hoogendam, Benjamin Shappee, Jennifer Shi, Kyle Medler, Cameron Pfeffer, Chris Ashall, David Jones, Katie Auchettl 056 Carl Melis 057 Arshia Jacob, Samuel Marlton, Meng Li, Wenqin Li, Florian Peisker, Stephan Schlemmer, Guido Fuchs, Nick Indriolo 058 Kenji Emerson, Adwin Boogert 059 Aidan Madden-Watson, Cristina Thomas, Oriel Humes 060 Sundar Srinivasan, Peter Scicluna, Iain McDonald, Arpan Ghosh, Alfonso Trejo 061 Madeline Pettine, Julie Rathbun 063 Drew Chojnowski, Pamela Marcum, Bruce Weaver 066 Zachary Maas, Kameron Gausling, Natalie Hinkel 071 Zenghua Zhang, Adam Burgasser, Maria Cruz Galvez Ortiz, Hugh Jones, Richard Smart, Patricia Cruz, Nicolas Lodieu, Zhen Guo, Radostin Kurtev, Gemma Cheng, Maria Rosa Zapatero Osorio, Eduardo L. Martin, Rafael Rebolo, Jerry Jun-Yan Zhang, Victor Bejar, Bartosz Gauza, 072 Savio Barros Oliveira, Melissa McClure, Samuel Federman, Tom Megeath, Merel van 't Hoff, Edwin Bergin 073 Natalie LeBaron, Raffaella Margutti, Ryan Chornock, Daniel Siegel, Ryan Foley, Samaporn Tinyanont, Jeonghee Rho, Kyle Davis, Yen-Chen Pan, David Sand, Jeniveve Pearson, Nathan Smith, Kate Alexander, Danny Milisavljevic, Regis Cartier, Silvia Piranomonte, Andrea Melandri, Jennifer Andrews, Manisha Shrestha, David Radice, Katie Auchettl, Charlie Kilpatrick, Brian Metzger, Anirudh Patel, Shreya Anand, Luca Izzo, Tom Geballe, Kenta Hotokezaka, Almudena Arcones, Giacomo Ricigliano, Daniel Brethauer 074 Igor Chilingarian, Franz Bauer, Kirill Grishin, Evgenii Rubtsov 075 Cristina Thomas, John Rayner, Francesca DeMeo, Michael Marsset, Andy Rivkin, Joshua Emery, David Polishook, Brian Burt, Richard Binzel, Nicholas Moskovitz 076 James Sinclair, Thomas Greathouse, Rohini Giles, Vincent Hue, Conor Nixon, Keeyoon Sung, Glenn Orton, Leigh Fletcher, Patrick Irwin 079 Kyle Medler, Chris Ashall, Cameron Pfeffer, Willem Hoogendam 084 Mitsuhiko Honda, Osamu Ohshima, Osamu Hashimoto, Takashi Miyata, Yuki Kojima 087 Cameron Pfeffer, Christopher Ashall, Kyle Medler, Willem Hoogendam 088 driss takir, Sarah Sonnett, Eva Lilly 090 Aravind Pazhayath Ravi, Jeonghee Rho, Seong Hyun Park, Samaporn Tinyanont, Stefano Valenti, Ryan Foley, Lindsey Kwok, David Sand, Manisha Shrestha, Charlie Kilpatrick, K. Azalee Bostroem, Jennifer Andrews, Yize Dong, Emily Hoang, Nicolas Meza Retamal, Darshana Mehta, Saurabh Jha, Kirsty Taggart, Jens Hjorth, Christa Gall, Gautham Narayan, Alexander Gagliano 091 Carey Lisse, Mike Sitko, Scott Wolk, Hans Moritz Guenther, Sean Brittain, Josh Lovell, Brandon Johnson, Alan Jackson, Tracy Beck, Christine Chen, Beth Sargent 092 Diogo Quirino, Pedro Machado, Joao Dias, Joao Duarte, Francisco Brasil, Mattias Green, Ricardo Trigo, Carlos da Camara, Rafael Silva, Jose Ribeiro, Daniela Espadinha 096 Ian Wong, Joshua Emery, Matthew Belyakov, Michael Brown, Keith Noll 099 Curtis DeWitt APRIL 2026 HST Date HST Time TO Remote Prog & PI Instr SA Comments Apr. 1 We 06:05 06:15 --- --- facility close Apr. 1 We 12:30 13:00 --- --- facility open 13:00 13:30 --- --- inst. change 13:30 16:00 X 084 Honda MIRSI/MOC MSC Daylight Obs 16:00 18:15 X 034 Orton MIRSI/MOC MSC Daylight Obs 18:15 22:00 X 034 Orton MIRSI/MOC MSC 22:00 22:30 --- --- inst. change 22:30 23:30 X 073 LeBaron SpeX MSC 23:30 02:30 X 041 Bhat SpeX/MORIS ACB Apr. 2 Th 02:30 04:05 X 999 Engineering TBD ACB 04:05 06:05 X 003 Sitko SpeX ACB 06:05 06:15 --- --- facility close Apr. 2 Th 15:00 15:30 --- --- facility open 15:30 16:00 --- --- inst. change 16:00 18:15 X 034 Orton MIRSI/MOC MSC Daylight Obs 18:15 22:00 X 034 Orton MIRSI/MOC MSC 22:00 22:30 --- --- inst. change 22:30 00:05 X 009 Bennert SpeX MSC Service Apr. 3 Fr 00:05 04:20 X 040 Panda SpeX ACB 04:20 06:05 X 003 Sitko SpeX ACB 06:05 06:15 --- --- facility close Apr. 3 Fr 18:20 18:50 --- --- facility open 18:50 23:50 X 093 Miaorui SpeX/MORIS ACB First Night 23:50 00:50 X 018 Marculewicz SpeX ACB Apr. 4 Sa 00:50 01:20 --- --- inst. change 01:20 06:20 X 056 Melis MIRSI/MOC MSC 06:20 11:20 X 023 Shackelford MIRSI/MOC MSC Daylight Obs 11:20 11:50 --- --- inst. change 11:50 12:00 --- --- facility close Apr. 4 Sa 18:20 18:50 --- --- facility open 18:50 19:35 X 061 Pettine SpeX ACB Service 19:35 05:40 X 999 Engineering TBD ACB Apr. 5 Su 05:40 06:10 --- --- inst. change 06:10 06:20 --- --- facility close Apr. 5 Su 18:20 18:50 --- --- facility open 18:50 01:10 X 021 Iyer iSHELL ACB Apr. 6 Mo 01:10 06:10 X 042 Banzatti iSHELL ACB 06:10 06:20 --- --- facility close 10:00 16:00 --- --- inst. change Apr. 6 Mo 18:20 18:50 --- --- facility open 18:50 20:20 X 999 Engineering TBD ACB 20:20 21:50 X 092 Quirino SpeX MSC Occultation 21:50 22:50 X 018 Marculewicz SpeX ACB 22:50 03:20 X 079 Medler SpeX/MORIS ACB Apr. 7 Tu 03:20 03:50 --- --- inst. change 03:50 06:20 X 056 Melis MIRSI/MOC MSC 06:20 10:50 X 023 Shackelford MIRSI/MOC MSC Daylight Obs 10:50 11:20 --- --- inst. change 11:20 11:30 --- --- facility close Apr. 7 Tu 18:20 18:50 --- --- facility open 18:50 06:20 X 047 Bass SpeX/MORIS MSC Apr. 8 We 06:20 06:50 --- --- inst. change 06:50 11:20 X 023 Shackelford MIRSI/MOC MSC Daylight Obs 11:20 11:50 --- --- inst. change 11:50 12:00 --- --- facility close Apr. 8 We 18:20 18:50 --- --- facility open 18:50 04:25 X 047 Bass SpeX/MORIS MSC Apr. 9 Th 04:25 06:10 X 003 Sitko SpeX WAS 06:10 06:20 --- --- facility close Apr. 9 Th 18:20 18:50 --- --- facility open 18:50 04:25 X 047 Bass SpeX/MORIS MSC Apr. 10 Fr 04:25 06:10 X 003 Sitko SpeX WAS 06:10 06:20 --- --- facility close Apr. 10 Fr 18:20 18:50 --- --- facility open 18:50 00:30 X 016 Hardegree-Ullman SpeX MSC Apr. 11 Sa 00:30 01:30 X 018 Marculewicz SpeX ACB 01:30 06:10 X 093 Miaorui SpeX/MORIS ACB 06:10 06:20 --- --- facility close Apr. 11 Sa 18:20 18:50 --- --- facility open 18:50 00:20 X 077 Medler SpeX/MORIS WAS Apr. 12 Su 00:20 03:50 X 055 Hoogendam SpeX/MORIS WAS 03:50 05:40 X 999 Engineering TBD ACB 05:40 06:10 --- --- inst. change 06:10 06:20 --- --- facility close Apr. 12 Su 18:20 18:50 --- --- facility open 18:50 00:55 X 085 Smith iSHELL ACB Apr. 13 Mo 00:55 06:10 X 042 Banzatti iSHELL ACB 06:10 06:20 --- --- facility close 10:00 16:00 --- --- inst. change Apr. 13 Mo 18:20 18:50 --- --- facility open 18:50 20:30 X 073 LeBaron SpeX MSC 20:30 22:00 X 009 Bennert SpeX MSC Service 22:00 23:30 X 061 Pettine SpeX ACB Occultation 23:30 00:30 X 018 Marculewicz SpeX ACB Apr. 14 Tu 00:30 06:10 X 087 Pfeffer SpeX/MORIS ACB 06:10 06:20 --- --- facility close Apr. 14 Tu 18:20 18:50 --- --- facility open 18:50 06:20 X 016 Hardegree-Ullman SpeX MSC Apr. 15 We 06:20 13:20 X 030 Vervack SpeX WAS Daylight Obs 13:20 13:30 --- --- facility close Apr. 15 We 18:20 18:50 --- --- facility open 18:50 19:35 X 092 Quirino SpeX MSC 19:35 20:50 X 018 Marculewicz SpeX ACB 20:50 06:10 X 071 Zhang SpeX/MORIS WAS Apr. 16 Th 06:10 06:20 --- --- facility close Apr. 16 Th 18:20 18:50 --- --- facility open 18:50 04:25 X 013 Reddy SpeX/MORIS WAS Apr. 17 Fr 04:25 06:10 X 003 Sitko SpeX WAS 06:10 06:20 --- --- facility close Apr. 17 Fr 18:20 18:50 --- --- facility open 18:50 04:25 X 075 Thomas SpeX/MORIS WAS Apr. 18 Sa 04:25 06:10 X 003 Sitko SpeX WAS 06:10 06:20 --- --- facility close Apr. 18 Sa 18:20 18:50 --- --- facility open 18:50 01:40 X 071 Zhang SpeX/MORIS WAS Apr. 19 Su 01:40 06:10 X 036 Gaidos SpeX ACB 06:10 06:20 --- --- facility close Apr. 19 Su 18:20 18:50 --- --- facility open 18:50 19:35 X 061 Pettine SpeX MSC Service 19:35 21:05 X 018 Marculewicz SpeX MSC 21:05 01:40 X 013 Reddy SpeX/MORIS WAS Apr. 20 Mo 01:40 06:10 X 036 Gaidos SpeX ACB 06:10 06:20 --- --- facility close Apr. 20 Mo 18:20 18:50 --- --- facility open 18:50 20:05 X 092 Quirino SpeX MSC 20:05 06:10 X 093 Miaorui SpeX/MORIS ACB Apr. 21 Tu 06:10 06:20 --- --- facility close Apr. 21 Tu 18:20 18:50 --- --- facility open 18:50 23:50 X 999 Engineering TBD ACB Pointing 23:50 06:10 X 053 Laurent SpeX WAS First Night Apr. 22 We 06:10 06:20 --- --- facility close Apr. 22 We 17:55 18:25 --- --- facility open Open Early 18:25 19:55 X 061 Pettine SpeX ACB Occultation 19:55 21:25 X 009 Bennert SpeX MSC Service 21:25 22:25 X 018 Marculewicz SpeX ACB 22:25 05:45 X 079 Medler SpeX/MORIS ACB Apr. 23 Th 05:45 05:55 --- --- facility close 10:00 16:00 --- --- inst. change Apr. 23 Th 18:20 18:50 --- --- facility open 18:50 22:20 X 039 Lopez-Oquendo MIRSI/MOC/`Opihi MSC 22:20 22:50 --- --- inst. change 22:50 02:10 X 075 Thomas SpeX/MORIS WAS Apr. 24 Fr 02:10 06:10 X 071 Zhang SpeX/MORIS WAS 06:10 06:20 --- --- facility close Apr. 24 Fr 18:20 18:50 --- --- facility open 18:50 22:05 X 053 Laurent SpeX WAS 22:05 04:10 X 006 Rackham SpeX WAS Apr. 25 Sa 04:10 06:10 X 003 Sitko SpeX WAS 06:10 06:20 --- --- facility close Apr. 25 Sa 18:20 18:50 --- --- facility open 18:50 19:35 X 092 Quirino SpeX MSC 19:35 04:10 X 074 Chilingarian SpeX/MORIS WAS Apr. 26 Su 04:10 06:10 X 003 Sitko SpeX WAS 06:10 06:20 --- --- facility close Apr. 26 Su 18:20 18:50 --- --- facility open 18:50 19:35 X 061 Pettine SpeX ACB Service 19:35 21:05 X 018 Marculewicz SpeX ACB 21:05 23:05 X 073 LeBaron SpeX MSC 23:05 23:35 --- --- inst. change 23:35 06:10 X 021 Iyer iSHELL ACB Apr. 27 Mo 06:10 06:20 --- --- facility close Apr. 27 Mo 18:20 18:50 --- --- facility open 18:50 03:10 X 060 Srinivasan iSHELL ACB Apr. 28 Tu 03:10 06:10 X 021 Iyer iSHELL ACB 06:10 06:20 --- --- facility close 10:00 16:00 --- --- inst. change Apr. 28 Tu 18:20 18:50 --- --- facility open 18:50 00:50 X 014 Theissen SpeX WAS Apr. 29 We 00:50 06:10 X 095 Kim SpeX WAS First Night 06:10 06:20 --- --- facility close Apr. 29 We 13:30 14:00 --- --- facility open 14:00 18:20 X 033 Orton SpeX/MORIS WAS Daylight Obs 18:20 20:25 X 033 Orton SpeX/MORIS WAS 20:25 21:55 X 061 Pettine SpeX ACB Occultation 21:55 22:55 X 018 Marculewicz SpeX ACB 22:55 01:25 X 059 Madden-Watson SpeX/MORIS WAS Apr. 30 Th 01:25 06:10 X 095 Kim SpeX WAS 06:10 06:20 --- --- facility close Apr. 30 Th 13:30 14:00 --- --- facility open 14:00 18:20 X 033 Orton SpeX/MORIS WAS Daylight Obs 18:20 20:00 X 033 Orton SpeX/MORIS WAS 20:00 20:30 X 092 Quirino SpeX MSC 20:30 00:40 X 090 Pazhayath Ravi SpeX/MORIS WAS Observer List 003 Michael Sitko, Ray Russell 006 Benjamin Rackham, Adam Burgasser, Christopher Theissen 009 Vardha Bennert, Matilde Signorini, Yan-Rong Li, Tommaso Treu, Hermine Landt, Aaron Barth, Benjamin Boizelle, Michael Brotherton, Ed Cackett, Juan Hernandez Santisteban, Keith Horne, Matthew Malkan, John Montano, Pu Du, Jinyi Shangguan, Andrew Stephens, Yoon Chan Taak, Stefano Valenti, Lizvette Villafana 013 Vishnu Reddy, Juan Sanchez, Adam Battle, David Cantillo, Miren Miranda 014 Christopher Theissen, Sarah Jiang, Daniella Bardalez Gagliuffi, Elisabeth Newton, Adam Burgasser, Jackie Faherty, Eileen Gonzales, Andrew Mann, Christian Aganze, Dino Hsu 016 Kevin Hardegree-Ullman, Sakhee Bhure, Jessie Christiansen, Rachel Fernandes, Kiersten Boley 018 Marcin Marculewicz, Hermine Landt, Ed Cackett, Yan-Rong Li, Jonathan Gelbord, Bozena Czerny 021 Aishwarya Iyer, Robert Zellem, Emily Gilbert, Sarah Logsdon, Knicole Colon, David Ciardi, Aurora Kesseli 023 Autumn Shackelford, Kerri Donaldson Hanna, Paul Lucey, Abigail Flom 030 Ronald Vervack, Neil Dello Russo, Boncho Bonev, Michael DiSanti, Erika Gibb, Hideyo Kawakita, Nathan Roth, Mohammad Saki, Sara Faggi, Geronimo Villanueva, Nicolas Biver 033 Glenn Orton, Thomas Momary, Ali Hyder, Kevin Baines, Emma Dahl, Shawn Brueshaber, James Sinclair, Leigh Fletcher, Arrate Antunano, Alessandro Mura, Davide Grassi 034 Glenn Orton, Thomas Momary, James Sinclair, Joseph Hora, Leigh Fletcher, Shawn Brueshaber, Arrate Antunano, Thomas Greathouse 036 Eric Gaidos, Miguel Vioque 039 Andy Lopez-Oquendo, Joe Hora, David Trilling 040 Swayamtrupta Panda, Jincen Jose, Suvendu Rakshit 041 Ullas Bhat, Chrysa Avdellidou, Marco Delbo 042 Andrea Banzatti, Juan Cano, Jacob Hyden, Ektor Galan, Adwin Boogert 047 Christopher Bass, Driss Takir, Christopher Belanger, Emma Gross 053 Berenice Laurent, Ben Burningham 055 Willem Hoogendam, Benjamin Shappee, Jennifer Shi, Kyle Medler, Cameron Pfeffer, Chris Ashall, David Jones, Katie Auchettl 056 Carl Melis 059 Aidan Madden-Watson, Cristina Thomas, Oriel Humes 060 Sundar Srinivasan, Peter Scicluna, Iain McDonald, Arpan Ghosh, Alfonso Trejo 061 Madeline Pettine, Julie Rathbun 071 Zenghua Zhang, Adam Burgasser, Maria Cruz Galvez Ortiz, Hugh Jones, Richard Smart, Patricia Cruz, Nicolas Lodieu, Zhen Guo, Radostin Kurtev, Gemma Cheng, Maria Rosa Zapatero Osorio, Eduardo L. Martin, Rafael Rebolo, Jerry Jun-Yan Zhang, Victor Bejar, Bartosz Gauza, 073 Natalie LeBaron, Raffaella Margutti, Ryan Chornock, Daniel Siegel, Ryan Foley, Samaporn Tinyanont, Jeonghee Rho, Kyle Davis, Yen-Chen Pan, David Sand, Jeniveve Pearson, Nathan Smith, Kate Alexander, Danny Milisavljevic, Regis Cartier, Silvia Piranomonte, Andrea Melandri, Jennifer Andrews, Manisha Shrestha, David Radice, Katie Auchettl, Charlie Kilpatrick, Brian Metzger, Anirudh Patel, Shreya Anand, Luca Izzo, Tom Geballe, Kenta Hotokezaka, Almudena Arcones, Giacomo Ricigliano, Daniel Brethauer 074 Igor Chilingarian, Franz Bauer, Kirill Grishin, Evgenii Rubtsov 075 Cristina Thomas, John Rayner, Francesca DeMeo, Michael Marsset, Andy Rivkin, Joshua Emery, David Polishook, Brian Burt, Richard Binzel, Nicholas Moskovitz 077 Kyle Medler, Chris Ashall 079 Kyle Medler, Chris Ashall, Cameron Pfeffer, Willem Hoogendam 084 Mitsuhiko Honda, Osamu Ohshima, Osamu Hashimoto, Takashi Miyata, Yuki Kojima 085 Verne V. Smith, Katia Cunha, Dmitry Bizyaev, Rafael Guerco, Gabriela Lima 087 Cameron Pfeffer, Christopher Ashall, Kyle Medler, Willem Hoogendam 090 Aravind Pazhayath Ravi, Jeonghee Rho, Seong Hyun Park, Samaporn Tinyanont, Stefano Valenti, Ryan Foley, Lindsey Kwok, David Sand, Manisha Shrestha, Charlie Kilpatrick, K. Azalee Bostroem, Jennifer Andrews, Yize Dong, Emily Hoang, Nicolas Meza Retamal, Darshana Mehta, Saurabh Jha, Kirsty Taggart, Jens Hjorth, Christa Gall, Gautham Narayan, Alexander Gagliano 092 Diogo Quirino, Pedro Machado, Joao Dias, Joao Duarte, Francisco Brasil, Mattias Green, Ricardo Trigo, Carlos da Camara, Rafael Silva, Jose Ribeiro, Daniela Espadinha 093 Huang Miaorui, Zhang Zenghua, Zhen Guo, Hugh Jones, Richard Smart, David Pinfield, Maria Cruz Galvez Ortiz, Patricia Cruz, Yutong Shan, Radostin Kurtev, Felipe Navarete 095 Changseok Kim, Jong-Hak Woo, Ashraf Ayubinia, Sungho Jung, Jimin Kim MAY 2026 HST Date HST Time TO Remote Prog & PI Instr SA Comments May. 1 Fr 00:40 06:10 X 006 Rackham SpeX WAS 06:10 06:20 --- --- facility close May. 1 Fr 13:00 13:30 --- --- facility open 13:30 14:00 --- --- inst. change 14:00 18:20 X 034 Orton MIRSI/MOC MSC Daylight Obs 18:20 20:00 X 034 Orton MIRSI/MOC MSC 20:00 20:30 --- --- inst. change 20:30 06:10 X 060 Srinivasan iSHELL ACB May. 2 Sa 06:10 06:20 --- --- facility close May. 2 Sa 10:30 11:00 --- --- facility open 11:00 11:30 --- --- inst. change 11:30 14:00 X 084 Honda MIRSI/MOC MSC Daylight Obs 14:00 18:20 X 034 Orton MIRSI/MOC MSC Daylight Obs 18:20 20:00 X 034 Orton MIRSI/MOC MSC 20:00 20:30 --- --- inst. change 20:30 00:10 X 055 Hoogendam SpeX/MORIS ACB May. 3 Su 00:10 06:10 X 095 Kim SpeX WAS 06:10 06:20 --- --- facility close May. 3 Su 10:40 11:10 --- --- facility open 11:10 17:10 X 030 Vervack SpeX MSC Daylight Obs 17:10 17:20 --- --- facility close May. 3 Su 18:20 18:50 --- --- facility open 18:50 19:35 X 061 Pettine SpeX ACB Service 19:35 21:35 X 009 Bennert SpeX MSC Service 21:35 22:35 X 018 Marculewicz SpeX ACB 22:35 04:00 X 067 Abraham SpeX MSC May. 4 Mo 04:00 06:10 X 999 Engineering TBD ACB 06:10 06:20 --- --- facility close May. 4 Mo ----- ----- Facility Shutdown Maintenance shutdown May. 5 Tu ----- ----- Facility Shutdown Maintenance shutdown May. 6 We ----- ----- Facility Shutdown Maintenance shutdown May. 7 Th ----- ----- Facility Shutdown Maintenance shutdown May. 8 Fr ----- ----- Facility Shutdown Maintenance shutdown May. 9 Sa ----- ----- Facility Shutdown Maintenance shutdown May. 10 Su ----- ----- Facility Shutdown Maintenance shutdown May. 11 Mo 18:20 18:50 --- --- facility open 18:50 19:35 X 061 Pettine SpeX ACB Service 19:35 21:05 X 009 Bennert SpeX MSC Service 21:05 22:05 X 018 Marculewicz SpeX ACB 22:05 02:30 X 038 Avdellidou SpeX/MORIS MSC May. 12 Tu 02:30 06:10 X 082 Frostig SpeX MSC 06:10 06:20 --- --- facility close May. 12 Tu 18:20 18:50 --- --- facility open 18:50 21:30 X 032 Howell SpeX WAS 21:30 02:00 X 068 Champagne SpeX/MORIS WAS May. 13 We 02:00 06:10 X 079 Medler SpeX/MORIS ACB 06:10 06:20 --- --- facility close May. 13 We 18:20 18:50 --- --- facility open 18:50 21:50 X 032 Howell SpeX WAS 21:50 01:50 X 086 Harish SpeX/MORIS MSC May. 14 Th 01:50 06:10 X 093 Miaorui SpeX/MORIS ACB 06:10 06:20 --- --- facility close May. 14 Th 18:20 18:50 --- --- facility open 18:50 20:50 X 009 Bennert SpeX MSC Service 20:50 22:00 X 018 Marculewicz SpeX ACB 22:00 03:00 X 011 Bolin SpeX/MORIS WAS May. 15 Fr 03:00 06:10 X 036 Gaidos SpeX ACB 06:10 06:20 --- --- facility close May. 15 Fr 18:20 18:50 --- --- facility open 18:50 20:20 X 061 Pettine SpeX ACB Occultation 20:20 06:10 X 080 Rayner SpeX/MORIS WAS May. 16 Sa 06:10 06:20 --- --- facility close May. 16 Sa 18:20 18:50 --- --- facility open 18:50 06:10 X 013 Reddy SpeX/MORIS WAS May. 17 Su 06:10 06:20 --- --- facility close May. 17 Su 18:20 18:50 --- --- facility open 18:50 20:20 X 018 Marculewicz SpeX ACB 20:20 01:10 X 016 Hardegree-Ullman SpeX MSC May. 18 Mo 01:10 06:10 X 087 Pfeffer SpeX/MORIS ACB 06:10 06:20 --- --- facility close May. 18 Mo 18:20 18:50 --- --- facility open 18:50 20:20 X 073 LeBaron SpeX MSC 20:20 20:50 --- --- inst. change 20:50 00:40 X 021 Iyer iSHELL ACB May. 19 Tu 00:40 06:10 X 063 Chojnowski iSHELL ACB 06:10 06:20 --- --- facility close May. 19 Tu 18:20 18:50 --- --- facility open 18:50 00:40 X 060 Srinivasan iSHELL ACB May. 20 We 00:40 06:10 X 063 Chojnowski iSHELL ACB 06:10 06:20 --- --- facility close 10:00 16:00 --- --- inst. change May. 20 We 18:20 18:50 --- --- facility open 18:50 19:35 X 061 Pettine SpeX ACB Service 19:35 06:10 X 016 Hardegree-Ullman SpeX MSC May. 21 Th 06:10 06:20 --- --- facility close May. 21 Th 18:20 18:50 --- --- facility open 18:50 20:20 X 018 Marculewicz SpeX ACB 20:20 00:10 X 055 Hoogendam SpeX/MORIS ACB May. 22 Fr 00:10 06:10 X 081 Dinh SpeX/MORIS/`Opihi MSC 06:10 06:20 --- --- facility close May. 22 Fr 18:20 18:50 --- --- facility open 18:50 22:20 X 088 Takir SpeX/MORIS WAS 22:20 01:20 X 041 Bhat SpeX/MORIS WAS May. 23 Sa 01:20 06:10 X 016 Hardegree-Ullman SpeX MSC 06:10 06:20 --- --- facility close May. 23 Sa 18:20 18:50 --- --- facility open 18:50 23:00 X 040 Panda SpeX WAS 23:00 23:30 --- --- inst. change 23:30 06:10 X 043 Indriolo iSHELL ACB May. 24 Su 06:10 06:20 --- --- facility close May. 24 Su 18:20 18:50 --- --- facility open 18:50 22:00 X 999 Engineering TBD ACB 22:00 05:40 X 043 Indriolo iSHELL ACB May. 25 Mo 05:40 06:10 --- --- inst. change 06:10 06:20 --- --- facility close May. 25 Mo 18:20 18:50 --- --- facility open 18:50 20:50 X 009 Bennert SpeX MSC Service 20:50 22:20 X 018 Marculewicz SpeX ACB 22:20 01:50 X 064 Abraham SpeX MSC May. 26 Tu 01:50 06:10 X 082 Frostig SpeX MSC 06:10 06:20 --- --- facility close May. 26 Tu 18:20 18:50 --- --- facility open 18:50 06:10 X 999 Engineering TBD MSC ASM May. 27 We 06:10 06:20 --- --- facility close May. 27 We 18:20 18:50 --- --- facility open 18:50 06:10 X 999 Engineering TBD MSC ASM May. 28 Th 06:10 06:20 --- --- facility close May. 28 Th 18:20 18:50 --- --- facility open 18:50 06:10 X 999 Engineering TBD MSC ASM May. 29 Fr 06:10 06:20 --- --- facility close May. 29 Fr 18:20 18:50 --- --- facility open 18:50 06:10 X 999 Engineering TBD MSC ASM May. 30 Sa 06:10 06:20 --- --- facility close May. 30 Sa 18:20 18:50 --- --- facility open 18:50 06:10 X 999 Engineering TBD MSC ASM May. 31 Su 06:10 06:20 --- --- facility close May. 31 Su 18:20 18:50 --- --- facility open 18:50 06:10 X 999 Engineering TBD MSC ASM Observer List 006 Benjamin Rackham, Adam Burgasser, Christopher Theissen 009 Vardha Bennert, Matilde Signorini, Yan-Rong Li, Tommaso Treu, Hermine Landt, Aaron Barth, Benjamin Boizelle, Michael Brotherton, Ed Cackett, Juan Hernandez Santisteban, Keith Horne, Matthew Malkan, John Montano, Pu Du, Jinyi Shangguan, Andrew Stephens, Yoon Chan Taak, Stefano Valenti, Lizvette Villafana 011 Bryce Bolin, Chrysa Avdellidou, Marco Delbo, Laura-May Abron, Greg Engh, Casey Lisse, Keith Noll, Alessandro Morbidelli 013 Vishnu Reddy, Juan Sanchez, Adam Battle, David Cantillo, Miren Miranda 016 Kevin Hardegree-Ullman, Sakhee Bhure, Jessie Christiansen, Rachel Fernandes, Kiersten Boley 018 Marcin Marculewicz, Hermine Landt, Ed Cackett, Yan-Rong Li, Jonathan Gelbord, Bozena Czerny 021 Aishwarya Iyer, Robert Zellem, Emily Gilbert, Sarah Logsdon, Knicole Colon, David Ciardi, Aurora Kesseli 030 Ronald Vervack, Neil Dello Russo, Boncho Bonev, Michael DiSanti, Erika Gibb, Hideyo Kawakita, Nathan Roth, Mohammad Saki, Sara Faggi, Geronimo Villanueva, Nicolas Biver 032 Ellen Howell, Ron Vervack, Yanga Fernandez, Sean Marshall 034 Glenn Orton, Thomas Momary, James Sinclair, Joseph Hora, Leigh Fletcher, Shawn Brueshaber, Arrate Antunano, Thomas Greathouse 036 Eric Gaidos, Miguel Vioque 038 Chrysa Avdellidou, Ullas Bhat, Marco Delbo, Sunao Hasegawa, Kevin Walsh 040 Swayamtrupta Panda, Jincen Jose, Suvendu Rakshit 041 Ullas Bhat, Chrysa Avdellidou, Marco Delbo 043 Nick Indriolo, Alexei Ivlev, David Neufeld, Mark Wolfire, Arshia Jacob, Paola Caselli, Theodore Pellegrin 055 Willem Hoogendam, Benjamin Shappee, Jennifer Shi, Kyle Medler, Cameron Pfeffer, Chris Ashall, David Jones, Katie Auchettl 060 Sundar Srinivasan, Peter Scicluna, Iain McDonald, Arpan Ghosh, Alfonso Trejo 061 Madeline Pettine, Julie Rathbun 063 Drew Chojnowski, Pamela Marcum, Bruce Weaver 064 Peter Abraham, Agnes Kospal, Jozsef Varga, Claire Lykou, Gabriella Zsidi 067 Peter Abraham, Agnes Kospal, Jozsef Varga, Claire Lykou, Gabriella Zsidi 068 Chansey Champagne, Cristina Thomas, Joshua Emery 073 Natalie LeBaron, Raffaella Margutti, Ryan Chornock, Daniel Siegel, Ryan Foley, Samaporn Tinyanont, Jeonghee Rho, Kyle Davis, Yen-Chen Pan, David Sand, Jeniveve Pearson, Nathan Smith, Kate Alexander, Danny Milisavljevic, Regis Cartier, Silvia Piranomonte, Andrea Melandri, Jennifer Andrews, Manisha Shrestha, David Radice, Katie Auchettl, Charlie Kilpatrick, Brian Metzger, Anirudh Patel, Shreya Anand, Luca Izzo, Tom Geballe, Kenta Hotokezaka, Almudena Arcones, Giacomo Ricigliano, Daniel Brethauer 079 Kyle Medler, Chris Ashall, Cameron Pfeffer, Willem Hoogendam 080 John Rayner, Cristina Thomas, Francesca DeMeo, Michael Marsset, Andy Rivkin, Joshua Emery, David Polishook, Brian Burt, Richard Binzel, Nicholas Moskovitz 081 Cuc Dinh, Jonh Rayner, Abraham Boogert, Mike Connelley, Kishalay De 082 Danielle Frostig, Viraj Karambelkar, Kishalay De, Nathan Lourie, Robert Simcoe, Mansi Kasliwal, Samantha Rose, Geoffrey Mo, Robert Stein 084 Mitsuhiko Honda, Osamu Ohshima, Osamu Hashimoto, Takashi Miyata, Yuki Kojima 086 Harish Harish, Josh Emery, Paul Hayne 087 Cameron Pfeffer, Christopher Ashall, Kyle Medler, Willem Hoogendam 088 driss takir, Sarah Sonnett, Eva Lilly 093 Huang Miaorui, Zhang Zenghua, Zhen Guo, Hugh Jones, Richard Smart, David Pinfield, Maria Cruz Galvez Ortiz, Patricia Cruz, Yutong Shan, Radostin Kurtev, Felipe Navarete 095 Changseok Kim, Jong-Hak Woo, Ashraf Ayubinia, Sungho Jung, Jimin Kim JUNE 2026 HST Date HST Time TO Remote Prog & PI Instr SA Comments Jun. 1 Mo 06:10 06:20 --- --- facility close Jun. 1 Mo 18:20 18:50 --- --- facility open 18:50 06:10 X 999 Engineering TBD MSC ASM Jun. 2 Tu 06:10 06:20 --- --- facility close 10:00 16:00 --- --- inst. change Jun. 2 Tu 18:20 18:50 --- --- facility open 18:50 22:45 X 060 Srinivasan iSHELL ACB 22:45 06:10 X 043 Indriolo iSHELL ACB Jun. 3 We 06:10 06:20 --- --- facility close 10:00 16:00 --- --- inst. change Jun. 3 We 11:30 12:00 --- --- facility open 12:00 18:50 X 033 Orton SpeX/MORIS WAS Daylight Obs 18:50 01:20 X 079 Medler SpeX/MORIS ACB Jun. 4 Th 01:20 06:10 X 062 Karambelkar SpeX MSC 06:10 06:20 --- --- facility close Jun. 4 Th 11:30 12:00 --- --- facility open 12:00 18:50 X 033 Orton SpeX/MORIS WAS Daylight Obs 18:50 20:50 X 009 Bennert SpeX MSC Service 20:50 02:20 X 067 Abraham SpeX MSC Jun. 5 Fr 02:20 06:10 X 053 Laurent SpeX WAS 06:10 06:20 --- --- facility close Jun. 5 Fr 08:30 09:00 --- --- facility open 09:00 09:30 --- --- inst. change 09:30 12:00 X 084 Honda MIRSI/MOC MSC Daylight Obs 12:00 18:20 X 034 Orton MIRSI/MOC MSC Daylight Obs 18:20 18:50 --- --- inst. change 18:50 22:30 X 063 Chojnowski iSHELL ACB 22:30 04:15 X 043 Indriolo iSHELL ACB Jun. 6 Sa 04:15 06:10 X 999 Engineering TBD ACB 06:10 06:20 --- --- facility close Jun. 6 Sa 11:00 11:30 --- --- facility open 11:30 12:00 --- --- inst. change 12:00 18:20 X 034 Orton MIRSI/MOC MSC Daylight Obs 18:20 18:50 --- --- inst. change 18:50 00:25 X 016 Hardegree-Ullman SpeX MSC Jun. 7 Su 00:25 06:10 X 006 Rackham SpeX WAS 06:10 06:20 --- --- facility close Jun. 7 Su 18:20 18:50 --- --- facility open 18:50 06:10 X 028 Lucas SpeX/MORIS WAS Jun. 8 Mo 06:10 06:20 --- --- facility close Jun. 8 Mo 18:20 18:50 --- --- facility open 18:50 02:50 X 016 Hardegree-Ullman SpeX MSC Jun. 9 Tu 02:50 06:10 X 053 Laurent SpeX WAS 06:10 06:20 --- --- facility close 10:00 16:00 --- --- inst. change Jun. 9 Tu 18:20 18:50 --- --- facility open 18:50 23:00 X 039 Lopez-Oquendo MIRSI/MOC/`Opihi MSC 23:00 00:30 X 056 Melis MIRSI/MOC MSC Jun. 10 We 00:30 01:00 --- --- inst. change 01:00 04:00 X 082 Frostig SpeX MSC 04:00 06:10 X 999 Engineering TBD ACB 06:10 06:20 --- --- facility close Jun. 10 We 18:20 18:50 --- --- facility open 18:50 22:50 X 088 Takir SpeX/MORIS WAS 22:50 06:10 X 081 Dinh SpeX/MORIS/`Opihi MSC Jun. 11 Th 06:10 06:20 --- --- facility close Jun. 11 Th 18:20 18:50 --- --- facility open 18:50 22:40 X 055 Hoogendam SpeX/MORIS ACB 22:40 06:10 X 081 Dinh SpeX/MORIS/`Opihi MSC Jun. 12 Fr 06:10 06:20 --- --- facility close Jun. 12 Fr 18:20 18:50 --- --- facility open 18:50 00:40 X 016 Hardegree-Ullman SpeX MSC Jun. 13 Sa 00:40 06:10 X 087 Pfeffer SpeX/MORIS ACB 06:10 06:20 --- --- facility close Jun. 13 Sa 18:20 18:50 --- --- facility open 18:50 19:20 --- --- inst. change 19:20 05:40 X 060 Srinivasan iSHELL ACB Jun. 14 Su 05:40 06:10 --- --- inst. change 06:10 06:20 --- --- facility close Jun. 14 Su 18:20 18:50 --- --- facility open 18:50 23:55 X 090 Pazhayath Ravi SpeX/MORIS WAS 23:55 03:25 X 062 Karambelkar SpeX MSC Jun. 15 Mo 03:25 06:10 X 036 Gaidos SpeX ACB 06:10 06:20 --- --- facility close Jun. 15 Mo 12:00 12:30 --- --- facility open 12:30 13:00 --- --- inst. change 13:00 18:20 X 031 Jessup iSHELL ACB Daylight Obs 18:20 18:50 --- --- inst. change 18:50 00:15 X 999 Engineering TBD ACB Pointing Jun. 16 Tu 00:15 01:30 X 073 LeBaron SpeX MSC 01:30 02:00 --- --- inst. change 02:00 06:10 X 039 Lopez-Oquendo MIRSI/MOC/`Opihi MSC 06:10 06:20 --- --- facility close Jun. 16 Tu 12:00 12:30 --- --- facility open 12:30 13:00 --- --- inst. change 13:00 18:20 X 031 Jessup iSHELL ACB Daylight Obs 18:20 18:50 --- --- inst. change 18:50 06:10 X 013 Reddy SpeX/MORIS WAS Jun. 17 We 06:10 06:20 --- --- facility close Jun. 17 We 12:00 12:30 --- --- facility open 12:30 13:00 --- --- inst. change 13:00 18:20 X 031 Jessup iSHELL ACB Daylight Obs 18:20 18:50 --- --- inst. change 18:50 01:00 X 079 Medler SpeX/MORIS ACB Jun. 18 Th 01:00 04:00 X 032 Howell SpeX WAS 04:00 06:10 X 999 Engineering TBD ACB 06:10 06:20 --- --- facility close Jun. 18 Th 12:00 12:30 --- --- facility open 12:30 13:00 --- --- inst. change 13:00 18:20 X 031 Jessup iSHELL ACB Daylight Obs 18:20 18:50 --- --- inst. change 18:50 06:10 X 080 Rayner SpeX/MORIS WAS Jun. 19 Fr 06:10 06:20 --- --- facility close Jun. 19 Fr 12:00 12:30 --- --- facility open 12:30 13:00 --- --- inst. change 13:00 17:50 X 031 Jessup iSHELL ACB Daylight Obs 17:50 18:20 --- --- inst. change 18:20 22:50 X 080 Rayner SpeX/MORIS WAS 22:50 23:20 --- --- inst. change 23:20 06:10 X 089 Bonev iSHELL ACB Jun. 20 Sa 06:10 06:20 --- --- facility close Jun. 20 Sa 12:30 13:00 --- --- facility open 13:00 18:20 X 031 Jessup iSHELL ACB Daylight Obs 18:20 18:50 --- --- inst. change 18:50 21:30 X 999 Engineering TBD ACB 21:30 22:30 X 073 LeBaron SpeX MSC 22:30 01:00 X 041 Bhat SpeX/MORIS WAS Jun. 21 Su 01:00 06:10 X 082 Frostig SpeX MSC 06:10 06:20 --- --- facility close Jun. 21 Su 12:00 12:30 --- --- facility open 12:30 13:00 --- --- inst. change 13:00 18:20 X 031 Jessup iSHELL ACB Daylight Obs 18:20 18:50 --- --- inst. change 18:50 22:00 X 999 Engineering TBD ACB 22:00 01:00 X 032 Howell SpeX WAS Jun. 22 Mo 01:00 06:10 X 081 Dinh SpeX/MORIS/`Opihi MSC 06:10 06:20 --- --- facility close Jun. 22 Mo 12:00 12:30 --- --- facility open 12:30 13:00 --- --- inst. change 13:00 18:20 X 031 Jessup iSHELL ACB Daylight Obs 18:20 22:30 X 999 Engineering TBD ACB 22:30 06:10 X 089 Bonev iSHELL ACB Jun. 23 Tu 06:10 06:20 --- --- facility close Jun. 23 Tu 12:30 13:00 --- --- facility open 13:00 18:20 X 031 Jessup iSHELL ACB Daylight Obs 18:20 22:30 X 060 Srinivasan iSHELL ACB 22:30 06:10 X 089 Bonev iSHELL ACB Jun. 24 We 06:10 06:20 --- --- facility close Jun. 24 We 12:30 13:00 --- --- facility open 13:00 18:50 X 031 Jessup iSHELL ACB Daylight Obs 18:50 06:10 X 066 Maas iSHELL ACB Jun. 25 Th 06:10 06:20 --- --- facility close Jun. 25 Th 12:30 13:00 --- --- facility open 13:00 18:20 X 031 Jessup iSHELL ACB Daylight Obs 18:20 18:50 --- --- inst. change 18:50 00:50 X 014 Theissen SpeX WAS Jun. 26 Fr 00:50 01:20 --- --- inst. change 01:20 06:10 X 060 Srinivasan iSHELL ACB 06:10 06:20 --- --- facility close Jun. 26 Fr 12:30 13:00 --- --- facility open 13:00 18:20 X 031 Jessup iSHELL ACB Daylight Obs 18:20 18:50 --- --- inst. change 18:50 01:00 X 032 Howell SpeX WAS Jun. 27 Sa 01:00 06:10 X 081 Dinh SpeX/MORIS/`Opihi MSC 06:10 06:20 --- --- facility close Jun. 27 Sa 12:00 12:30 --- --- facility open 12:30 13:00 --- --- inst. change 13:00 18:20 X 031 Jessup iSHELL ACB Daylight Obs 18:20 18:50 --- --- inst. change 18:50 23:30 X 039 Lopez-Oquendo MIRSI/MOC/`Opihi MSC 23:30 03:00 X 056 Melis MIRSI/MOC MSC Jun. 28 Su 03:00 06:10 X 999 Engineering TBD ACB 06:10 06:20 --- --- facility close Jun. 28 Su 09:30 10:00 --- --- facility open 10:00 12:30 X 084 Honda MIRSI/MOC MSC Daylight Obs 12:30 13:00 --- --- inst. change 13:00 18:20 X 031 Jessup iSHELL ACB Daylight Obs 18:20 18:50 --- --- inst. change 18:50 20:50 X 073 LeBaron SpeX MSC 20:50 01:00 X 046 Rivkin SpeX WAS Jun. 29 Mo 01:00 06:10 X 059 Madden-Watson SpeX/MORIS WAS 06:10 06:20 --- --- facility close Jun. 29 Mo 18:20 18:50 --- --- facility open 18:50 00:20 X 064 Abraham SpeX MSC Dec<+39 Jun. 30 Tu 00:20 00:50 --- --- inst. change 00:50 06:10 X 999 Engineering TBD ACB Dec<+39 06:10 06:20 --- --- facility close Jun. 30 Tu 09:00 09:30 --- --- facility open 09:30 10:00 --- --- inst. change 10:00 13:30 X 999 Engineering TEXES ACB Daylight Obs, Dec<+39 13:30 18:30 X 008 Giles TEXES ACB Daylight Obs, Dec<+39 18:30 19:00 --- --- inst. change 19:00 00:05 X 064 Abraham SpeX MSC Dec<+39 Observer List 006 Benjamin Rackham, Adam Burgasser, Christopher Theissen 008 Rohini Giles, Thomas Greathouse 009 Vardha Bennert, Matilde Signorini, Yan-Rong Li, Tommaso Treu, Hermine Landt, Aaron Barth, Benjamin Boizelle, Michael Brotherton, Ed Cackett, Juan Hernandez Santisteban, Keith Horne, Matthew Malkan, John Montano, Pu Du, Jinyi Shangguan, Andrew Stephens, Yoon Chan Taak, Stefano Valenti, Lizvette Villafana 013 Vishnu Reddy, Juan Sanchez, Adam Battle, David Cantillo, Miren Miranda 014 Christopher Theissen, Sarah Jiang, Daniella Bardalez Gagliuffi, Elisabeth Newton, Adam Burgasser, Jackie Faherty, Eileen Gonzales, Andrew Mann, Christian Aganze, Dino Hsu 016 Kevin Hardegree-Ullman, Sakhee Bhure, Jessie Christiansen, Rachel Fernandes, Kiersten Boley 028 Michael Lucas, Michael Fauerbach, Joshua Emery, Richard Cartwright, Audrey Martin 031 Kandi Jessup, Takao Sato, Hideo Sagawa, Xi Zhang, Sarah Kovac, Arnaud Mahieux, Eliot Young, Javier Peralta 032 Ellen Howell, Ron Vervack, Yanga Fernandez, Sean Marshall 033 Glenn Orton, Thomas Momary, Ali Hyder, Kevin Baines, Emma Dahl, Shawn Brueshaber, James Sinclair, Leigh Fletcher, Arrate Antunano, Alessandro Mura, Davide Grassi 034 Glenn Orton, Thomas Momary, James Sinclair, Joseph Hora, Leigh Fletcher, Shawn Brueshaber, Arrate Antunano, Thomas Greathouse 036 Eric Gaidos, Miguel Vioque 039 Andy Lopez-Oquendo, Joe Hora, David Trilling 041 Ullas Bhat, Chrysa Avdellidou, Marco Delbo 043 Nick Indriolo, Alexei Ivlev, David Neufeld, Mark Wolfire, Arshia Jacob, Paola Caselli, Theodore Pellegrin 046 Andrew Rivkin, Cristina Thomas, Josh Emery 053 Berenice Laurent, Ben Burningham 055 Willem Hoogendam, Benjamin Shappee, Jennifer Shi, Kyle Medler, Cameron Pfeffer, Chris Ashall, David Jones, Katie Auchettl 056 Carl Melis 059 Aidan Madden-Watson, Cristina Thomas, Oriel Humes 060 Sundar Srinivasan, Peter Scicluna, Iain McDonald, Arpan Ghosh, Alfonso Trejo 062 Viraj Karambelkar, Kishalay De 063 Drew Chojnowski, Pamela Marcum, Bruce Weaver 064 Peter Abraham, Agnes Kospal, Jozsef Varga, Claire Lykou, Gabriella Zsidi 066 Zachary Maas, Kameron Gausling, Natalie Hinkel 067 Peter Abraham, Agnes Kospal, Jozsef Varga, Claire Lykou, Gabriella Zsidi 073 Natalie LeBaron, Raffaella Margutti, Ryan Chornock, Daniel Siegel, Ryan Foley, Samaporn Tinyanont, Jeonghee Rho, Kyle Davis, Yen-Chen Pan, David Sand, Jeniveve Pearson, Nathan Smith, Kate Alexander, Danny Milisavljevic, Regis Cartier, Silvia Piranomonte, Andrea Melandri, Jennifer Andrews, Manisha Shrestha, David Radice, Katie Auchettl, Charlie Kilpatrick, Brian Metzger, Anirudh Patel, Shreya Anand, Luca Izzo, Tom Geballe, Kenta Hotokezaka, Almudena Arcones, Giacomo Ricigliano, Daniel Brethauer 079 Kyle Medler, Chris Ashall, Cameron Pfeffer, Willem Hoogendam 080 John Rayner, Cristina Thomas, Francesca DeMeo, Michael Marsset, Andy Rivkin, Joshua Emery, David Polishook, Brian Burt, Richard Binzel, Nicholas Moskovitz 081 Cuc Dinh, Jonh Rayner, Abraham Boogert, Mike Connelley, Kishalay De 082 Danielle Frostig, Viraj Karambelkar, Kishalay De, Nathan Lourie, Robert Simcoe, Mansi Kasliwal, Samantha Rose, Geoffrey Mo, Robert Stein 084 Mitsuhiko Honda, Osamu Ohshima, Osamu Hashimoto, Takashi Miyata, Yuki Kojima 087 Cameron Pfeffer, Christopher Ashall, Kyle Medler, Willem Hoogendam 088 driss takir, Sarah Sonnett, Eva Lilly 089 Boncho Bonev, Michael DiSanti, Erika Gibb, Ron Vervack, Sara Faggi, Geronimo Villanueva, Neil Dello Russo, Nathan Roth, Mohi Saki, Emmanuel Jehin 090 Aravind Pazhayath Ravi, Jeonghee Rho, Seong Hyun Park, Samaporn Tinyanont, Stefano Valenti, Ryan Foley, Lindsey Kwok, David Sand, Manisha Shrestha, Charlie Kilpatrick, K. Azalee Bostroem, Jennifer Andrews, Yize Dong, Emily Hoang, Nicolas Meza Retamal, Darshana Mehta, Saurabh Jha, Kirsty Taggart, Jens Hjorth, Christa Gall, Gautham Narayan, Alexander Gagliano JULY 2026 HST Date HST Time TO Remote Prog & PI Instr SA Comments Jul. 1 We 00:05 03:35 X 062 Karambelkar SpeX MSC Dec<+39 03:35 06:15 X 999 Engineering TBD ACB Dec<+39 06:15 06:25 --- --- facility close Jul. 1 We 10:00 10:30 --- --- facility open 10:30 11:00 --- --- inst. change 11:00 16:00 X 008 Giles TEXES ACB Daylight Obs, Dec<+39 16:00 18:30 X 007 Encrenaz TEXES ACB Daylight Obs, Dec<+39 18:30 19:00 --- --- inst. change 19:00 22:00 X 019 Geem SpeX WAS Dec<+39 22:00 04:00 X 079 Medler SpeX/MORIS WAS Dec<+39 Jul. 2 Th 04:00 06:15 X 999 Engineering TBD ACB Dec<+39 06:15 06:25 --- --- facility close Jul. 2 Th 10:00 10:30 --- --- facility open 10:30 11:00 --- --- inst. change 11:00 17:00 X 044 Toogood TEXES ACB Daylight Obs, Dec<+39 17:00 18:30 X 007 Encrenaz TEXES ACB Daylight Obs, Dec<+39 18:30 19:00 --- --- inst. change 19:00 00:15 X 055 Hoogendam SpeX/MORIS WAS Dec<+39 Jul. 3 Fr 00:15 03:15 X 005 Holler SpeX WAS Dec<+39 03:15 06:15 X 999 Engineering TBD ACB Dec<+39 06:15 06:25 --- --- facility close Jul. 3 Fr 10:00 10:30 --- --- facility open 10:30 11:00 --- --- inst. change 11:00 17:00 X 044 Toogood TEXES ACB Daylight Obs, Dec<+39 17:00 18:30 X 007 Encrenaz TEXES ACB Daylight Obs, Dec<+39 18:30 19:00 --- --- inst. change 19:00 00:15 X 067 Abraham SpeX MSC Dec<+39 Jul. 4 Sa 00:15 03:15 X 005 Holler SpeX WAS Dec<+39 03:15 06:15 X 999 Engineering TBD ACB Dec<+39 06:15 06:25 --- --- facility close Jul. 4 Sa 10:00 10:30 --- --- facility open 10:30 11:00 --- --- inst. change 11:00 18:30 X 007 Encrenaz TEXES ACB Daylight Obs, Dec<+39 18:30 19:00 --- --- inst. change 19:00 21:15 X 019 Geem SpeX WAS Dec<+39 21:15 00:15 X 082 Frostig SpeX MSC Dec<+39 Jul. 5 Su 00:15 03:15 X 005 Holler SpeX WAS Dec<+39 03:15 06:15 X 999 Engineering TBD ACB Dec<+39 06:15 06:25 --- --- facility close Jul. 5 Su 10:00 10:30 --- --- facility open 10:30 11:00 --- --- inst. change 11:00 18:30 X 007 Encrenaz TEXES ACB Daylight Obs, Dec<+39 18:30 19:00 --- --- inst. change 19:00 00:15 X 016 Hardegree-Ullman SpeX MSC Dec<+39 Jul. 6 Mo 00:15 03:15 X 005 Holler SpeX WAS Dec<+39 03:15 06:15 X 999 Engineering TBD ACB Dec<+39 06:15 06:25 --- --- facility close Jul. 6 Mo 10:00 10:30 --- --- facility open 10:30 11:00 --- --- inst. change 11:00 18:30 X 007 Encrenaz TEXES ACB Daylight Obs, Dec<+39 18:30 19:00 --- --- inst. change 19:00 00:15 X 016 Hardegree-Ullman SpeX MSC Dec<+39 Jul. 7 Tu 00:15 03:15 X 005 Holler SpeX WAS Dec<+39 03:15 06:15 X 999 Engineering TBD ACB Dec<+39 06:15 06:25 --- --- facility close Jul. 7 Tu 10:00 10:30 --- --- facility open 10:30 11:00 --- --- inst. change 11:00 15:00 X 035 Constantinou TEXES ACB Daylight Obs, Dec<+39 15:00 18:30 X 007 Encrenaz TEXES ACB Daylight Obs, Dec<+39 18:30 19:00 --- --- inst. change 19:00 00:15 X 016 Hardegree-Ullman SpeX MSC Dec<+39 Jul. 8 We 00:15 03:15 X 005 Holler SpeX WAS Dec<+39 03:15 06:15 X 999 Engineering TBD ACB Dec<+39 06:15 06:25 --- --- facility close Jul. 8 We 10:00 10:30 --- --- facility open 10:30 11:00 --- --- inst. change 11:00 15:00 X 035 Constantinou TEXES ACB Daylight Obs, Dec<+39 15:00 18:30 X 007 Encrenaz TEXES ACB Daylight Obs, Dec<+39 18:30 19:00 --- --- inst. change 19:00 22:00 X 056 Melis MIRSI/MOC MSC Dec<+39 22:00 01:00 X 039 Lopez-Oquendo MIRSI/MOC/`Opihi MSC Dec<+39 Jul. 9 Th 01:00 01:30 --- --- inst. change 01:30 06:15 X 071 Zhang SpeX/MORIS WAS Dec<+39 06:15 06:25 --- --- facility close Jul. 9 Th 18:25 18:55 --- --- facility open 18:55 23:35 X 016 Hardegree-Ullman SpeX MSC Dec<+39 23:35 00:05 --- --- inst. change Jul. 10 Fr 00:05 05:45 X 999 Engineering TEXES ACB Dec<+39 05:45 06:15 --- --- inst. change 06:15 06:25 --- --- facility close Jul. 10 Fr 18:25 18:55 --- --- facility open 18:55 01:15 X 078 Simpson SpeX WAS Dec<+39 Jul. 11 Sa 01:15 01:45 --- --- inst. change 01:45 05:45 X 027 Nixon TEXES ACB Dec<+39 05:45 06:15 --- --- inst. change 06:15 06:25 --- --- facility close Jul. 11 Sa 18:25 18:55 --- --- facility open 18:55 01:15 X 078 Simpson SpeX WAS Dec<+39 Jul. 12 Su 01:15 01:45 --- --- inst. change 01:45 05:45 X 027 Nixon TEXES ACB Dec<+39 05:45 06:15 --- --- inst. change 06:15 06:25 --- --- facility close Jul. 12 Su 18:25 18:55 --- --- facility open 18:55 01:30 X 081 Dinh SpeX/MORIS/`Opihi MSC Dec<+39 Jul. 13 Mo 01:30 02:00 --- --- inst. change 02:00 06:15 X 027 Nixon TEXES ACB Dec<+39 06:15 06:25 --- --- facility close 10:00 16:00 --- --- inst. change Jul. 13 Mo 18:25 18:55 --- --- facility open 18:55 23:55 X 049 MacLennan SpeX/MORIS MSC Dec<+39 23:55 00:25 --- --- inst. change Jul. 14 Tu 00:25 06:15 X 027 Nixon TEXES ACB Dec<+39 06:15 06:25 --- --- facility close 10:00 16:00 --- --- inst. change Jul. 14 Tu 18:25 18:55 --- --- facility open 18:55 22:30 X 055 Hoogendam SpeX/MORIS WAS Dec<+39 22:30 01:30 X 038 Avdellidou SpeX/MORIS MSC Dec<+39 Jul. 15 We 01:30 02:00 --- --- inst. change 02:00 06:15 X 027 Nixon TEXES ACB Dec<+39 06:15 06:25 --- --- facility close 10:00 16:00 --- --- inst. change Jul. 15 We 18:25 18:55 --- --- facility open 18:55 22:30 X 079 Medler SpeX/MORIS WAS Dec<+39 22:30 01:30 X 030 Vervack SpeX WAS Dec<+39 Jul. 16 Th 01:30 02:00 --- --- inst. change 02:00 06:15 X 027 Nixon TEXES ACB Dec<+39 06:15 06:25 --- --- facility close 10:00 16:00 --- --- inst. change Jul. 16 Th 18:25 18:55 --- --- facility open 18:55 22:50 X 079 Medler SpeX/MORIS WAS 22:50 02:20 X 030 Vervack SpeX WAS Jul. 17 Fr 02:20 06:15 X 032 Howell SpeX WAS 06:15 06:25 --- --- facility close Jul. 17 Fr 18:25 18:55 --- --- facility open 18:55 06:15 X 013 Reddy SpeX/MORIS WAS Jul. 18 Sa 06:15 06:25 --- --- facility close Jul. 18 Sa 18:25 18:55 --- --- facility open 18:55 22:55 X 095 Kim SpeX WAS 22:55 00:05 X 073 LeBaron SpeX MSC Jul. 19 Su 00:05 06:15 X 059 Madden-Watson SpeX/MORIS WAS 06:15 06:25 --- --- facility close Jul. 19 Su 18:25 18:55 --- --- facility open 18:55 06:15 X 080 Rayner SpeX/MORIS WAS Jul. 20 Mo 06:15 06:25 --- --- facility close Jul. 20 Mo 18:25 18:55 --- --- facility open 18:55 22:00 X 082 Frostig SpeX MSC 22:00 02:30 X 068 Champagne SpeX/MORIS WAS Jul. 21 Tu 02:30 06:15 X 032 Howell SpeX WAS 06:15 06:25 --- --- facility close Jul. 21 Tu 18:25 18:55 --- --- facility open 18:55 20:40 X 073 LeBaron SpeX MSC 20:40 02:30 X 068 Champagne SpeX/MORIS WAS Jul. 22 We 02:30 06:15 X 062 Karambelkar SpeX MSC 06:15 06:25 --- --- facility close 10:00 16:00 --- --- inst. change Jul. 22 We 18:25 18:55 --- --- facility open 18:55 23:15 X 063 Chojnowski iSHELL ACB 23:15 06:15 X 089 Bonev iSHELL ACB Jul. 23 Th 06:15 06:25 --- --- facility close Jul. 23 Th 18:25 18:55 --- --- facility open 18:55 23:15 X 063 Chojnowski iSHELL ACB 23:15 06:15 X 089 Bonev iSHELL ACB Jul. 24 Fr 06:15 06:25 --- --- facility close Jul. 24 Fr 18:25 18:55 --- --- facility open 18:55 23:15 X 063 Chojnowski iSHELL ACB 23:15 05:45 X 089 Bonev iSHELL ACB Jul. 25 Sa 05:45 06:15 --- --- inst. change 06:15 06:25 --- --- facility close Jul. 25 Sa 18:25 18:55 --- --- facility open 18:55 23:55 X 032 Howell SpeX WAS 23:55 06:15 X 038 Avdellidou SpeX/MORIS MSC Jul. 26 Su 06:15 06:25 --- --- facility close Jul. 26 Su 18:25 18:55 --- --- facility open 18:55 21:15 X 999 Engineering TBD ACB 21:15 02:15 X 087 Pfeffer SpeX/MORIS WAS Jul. 27 Mo 02:15 06:15 X 019 Geem SpeX WAS 06:15 06:25 --- --- facility close Jul. 27 Mo 18:25 18:55 --- --- facility open 18:55 21:55 X 032 Howell SpeX WAS 21:55 01:30 X 093 Miaorui SpeX/MORIS WAS Jul. 28 Tu 01:30 06:15 X 059 Madden-Watson SpeX/MORIS WAS 06:15 06:25 --- --- facility close Jul. 28 Tu 18:25 18:55 --- --- facility open 18:55 22:30 X 079 Medler SpeX/MORIS WAS 22:30 03:00 X 030 Vervack SpeX WAS Jul. 29 We 03:00 06:15 X 032 Howell SpeX WAS 06:15 06:25 --- --- facility close Jul. 29 We 18:25 18:55 --- --- facility open 18:55 22:30 X 079 Medler SpeX/MORIS WAS 22:30 06:15 X 041 Bhat SpeX/MORIS WAS Jul. 30 Th 06:15 06:25 --- --- facility close 10:00 16:00 --- --- inst. change Jul. 30 Th 18:25 18:55 --- --- facility open 18:55 23:00 X 039 Lopez-Oquendo MIRSI/MOC/`Opihi MSC 23:00 03:45 X 056 Melis MIRSI/MOC MSC Jul. 31 Fr 03:45 04:15 --- --- inst. change 04:15 06:15 X 999 Engineering TBD ACB 06:15 06:25 --- --- facility close Jul. 31 Fr 18:25 18:55 --- --- facility open 18:55 22:55 X 032 Howell SpeX WAS 22:55 00:15 X 073 LeBaron SpeX MSC Observer List 005 Bryan Holler, Leslie Young, Will Grundy, Silvia Protopapa, Will Burris 007 Therese Encrenaz, Thomas Greathouse, Rohini Giles, Hideo Sagawa, Tatsuro Inawaka, Thomas Widemann, Bruno Bezard, Franck Lefevre, Maxime lefevre, Wenchen Shao, Emmanuel Marcq 008 Rohini Giles, Thomas Greathouse 013 Vishnu Reddy, Juan Sanchez, Adam Battle, David Cantillo, Miren Miranda 016 Kevin Hardegree-Ullman, Sakhee Bhure, Jessie Christiansen, Rachel Fernandes, Kiersten Boley 019 Jooyeon Geem, Yoonsoo P. Bach, Carey Lisse, Masateru Ishiguro, Max Mahlke, Bumhoo Lim, Sunho Jin, Hangbin Jo 027 Conor Nixon, Thomas Greathouse, Nicholas Teanby, Keeyoon Sung, Ralf Kaiser, Peter Bernath 030 Ronald Vervack, Neil Dello Russo, Boncho Bonev, Michael DiSanti, Erika Gibb, Hideyo Kawakita, Nathan Roth, Mohammad Saki, Sara Faggi, Geronimo Villanueva, Nicolas Biver 032 Ellen Howell, Ron Vervack, Yanga Fernandez, Sean Marshall 035 Tereza Constantinou, Rohini S Giles, Oliver Shorttle, Therese Encrenaz, Tommy Greathouse, Paul B. Rimmer 038 Chrysa Avdellidou, Ullas Bhat, Marco Delbo, Sunao Hasegawa, Kevin Walsh 039 Andy Lopez-Oquendo, Joe Hora, David Trilling 041 Ullas Bhat, Chrysa Avdellidou, Marco Delbo 044 Simon Toogood, Arrate Antunano, Leigh Fletcher, Rohini Giles, Thomas Greathouse, Oliver King, Glenn Orton, Michael Roman, James Sinclair 049 Eric MacLennan, Ben Rider-Stokes, Samuel Jackson 055 Willem Hoogendam, Benjamin Shappee, Jennifer Shi, Kyle Medler, Cameron Pfeffer, Chris Ashall, David Jones, Katie Auchettl 056 Carl Melis 059 Aidan Madden-Watson, Cristina Thomas, Oriel Humes 062 Viraj Karambelkar, Kishalay De 063 Drew Chojnowski, Pamela Marcum, Bruce Weaver 067 Peter Abraham, Agnes Kospal, Jozsef Varga, Claire Lykou, Gabriella Zsidi 068 Chansey Champagne, Cristina Thomas, Joshua Emery 071 Zenghua Zhang, Adam Burgasser, Maria Cruz Galvez Ortiz, Hugh Jones, Richard Smart, Patricia Cruz, Nicolas Lodieu, Zhen Guo, Radostin Kurtev, Gemma Cheng, Maria Rosa Zapatero Osorio, Eduardo L. Martin, Rafael Rebolo, Jerry Jun-Yan Zhang, Victor Bejar, Bartosz Gauza, 073 Natalie LeBaron, Raffaella Margutti, Ryan Chornock, Daniel Siegel, Ryan Foley, Samaporn Tinyanont, Jeonghee Rho, Kyle Davis, Yen-Chen Pan, David Sand, Jeniveve Pearson, Nathan Smith, Kate Alexander, Danny Milisavljevic, Regis Cartier, Silvia Piranomonte, Andrea Melandri, Jennifer Andrews, Manisha Shrestha, David Radice, Katie Auchettl, Charlie Kilpatrick, Brian Metzger, Anirudh Patel, Shreya Anand, Luca Izzo, Tom Geballe, Kenta Hotokezaka, Almudena Arcones, Giacomo Ricigliano, Daniel Brethauer 078 Janet Simpson, Angela Cotera 079 Kyle Medler, Chris Ashall, Cameron Pfeffer, Willem Hoogendam 080 John Rayner, Cristina Thomas, Francesca DeMeo, Michael Marsset, Andy Rivkin, Joshua Emery, David Polishook, Brian Burt, Richard Binzel, Nicholas Moskovitz 081 Cuc Dinh, Jonh Rayner, Abraham Boogert, Mike Connelley, Kishalay De 082 Danielle Frostig, Viraj Karambelkar, Kishalay De, Nathan Lourie, Robert Simcoe, Mansi Kasliwal, Samantha Rose, Geoffrey Mo, Robert Stein 087 Cameron Pfeffer, Christopher Ashall, Kyle Medler, Willem Hoogendam 089 Boncho Bonev, Michael DiSanti, Erika Gibb, Ron Vervack, Sara Faggi, Geronimo Villanueva, Neil Dello Russo, Nathan Roth, Mohi Saki, Emmanuel Jehin 093 Huang Miaorui, Zhang Zenghua, Zhen Guo, Hugh Jones, Richard Smart, David Pinfield, Maria Cruz Galvez Ortiz, Patricia Cruz, Yutong Shan, Radostin Kurtev, Felipe Navarete 095 Changseok Kim, Jong-Hak Woo, Ashraf Ayubinia, Sungho Jung, Jimin Kim AUGUST 2026 HST Date HST Time TO Remote Prog & PI Instr SA Comments Aug. 1 Sa 00:15 06:15 X 006 Rackham SpeX WAS 06:15 06:25 --- --- facility close Observer List 006 Benjamin Rackham, Adam Burgasser, Christopher Theissen HST date (Hawaii Standard Time) is listed for the first program starting after midnight (00:00) each day. Any date ambiguities should be resolved by the fact that programs are listed in strict time sequence. If you have any questions regarding the schedule or corrections, please email Adwin Boogert at the following address: aboogert@hawaii.edu All observing must occur within the listed dates and times and only with the personnel listed on this schedule. Any changes to the dates, times, and observing personnel must be approved by the IRTF Director at least 1 month in advance; please submit requests earlier. Support at the telescope by staff astronomers is only guaranteed for the first night of each observer's first run with an IRTF facility instrument as indicated by "First Night" in the Comments column above. Please confirm this verbally with your support astronomer. Please return your Observing Requirements Form by the date indicated, approximately one month in advance of your run. Please note that IRTF facility instrumentation is provided as documented on our web site (http://irtfweb.ifa.hawaii.edu); modifications for individuals are usually not possible unless agreed upon by IRTF staff adequately in advance. Driving IRTF vehicles is a privilege granted to observers with valid driver's license. Please read and obey our vehicle policy. This includes using IRTF vehicles only for official travel between Hilo, Hale Pohaku, and the summit at the times you have indicated. All changes to your vehicle usage must be communicated to and approved by Keith Wages, the IRTF Observatory Manager. SA (Support Astronomer) ACB = Adwin Boogert MSC = Michael Connelley JTR = John Rayner WAS = Warren Skidmore