FEBRUARY 2025 Rev. Jan. 18, 2025 HST Date HST Time TO Remote Prog & PI Instr SA Comments Feb. 1 Sa 18:00 18:30 --- --- facility open 18:30 19:30 X 019 Kospal SpeX MSC 19:30 23:30 X 074 Emerson SpeX ACB 23:30 00:50 032 Harish SpeX ACB First Night Feb. 2 Su 00:50 01:50 X 025 Landt SpeX ACB 01:50 02:20 --- --- inst. change 02:20 05:20 X 030 Lopez-Oquendo MIRSI/MOC/`Opihi MSC 05:20 05:50 --- --- inst. change 05:50 06:00 --- --- facility close Feb. 2 Su 18:00 18:30 --- --- facility open 18:30 23:00 X 044 Melin iSHELL ACB 23:00 23:30 --- --- inst. change 23:30 00:15 X 019 Kospal SpeX MSC Feb. 3 Mo 00:15 05:50 X 056 Thomas SpeX/MORIS JTR 05:50 06:00 --- --- facility close 10:00 16:00 --- --- inst. change Feb. 3 Mo 18:00 18:30 --- --- facility open 18:30 22:45 X 044 Melin iSHELL ACB 22:45 23:15 --- --- inst. change 23:15 00:15 X 019 Kospal SpeX MSC Feb. 4 Tu 00:15 05:50 X 087 Pazhayath Ravi SpeX/MORIS ACB 05:50 06:00 --- --- facility close 10:00 16:00 --- --- inst. change Feb. 4 Tu 18:00 18:30 --- --- facility open 18:30 23:00 X 044 Melin iSHELL ACB 23:00 23:30 --- --- inst. change 23:30 00:15 X 019 Kospal SpeX MSC Feb. 5 We 00:15 05:50 X 999 Engineering SpeX MSC Felix 05:50 06:00 --- --- facility close Feb. 5 We 14:00 14:30 --- --- facility open 14:30 15:00 --- --- inst. change 15:00 18:15 X 090 Young iSHELL ACB Daylight Obs 18:15 22:30 X 044 Melin iSHELL ACB 22:30 23:00 --- --- inst. change 23:00 02:00 X 057 Avdellidou SpeX/MORIS MSC Feb. 6 Th 02:00 05:50 X 015 Rackham SpeX JTR 05:50 06:00 --- --- facility close Feb. 6 Th 14:00 14:30 --- --- facility open 14:30 15:00 --- --- inst. change 15:00 18:00 X 090 Young iSHELL ACB Daylight Obs 18:00 18:30 --- --- inst. change 18:30 19:30 X 019 Kospal SpeX MSC 19:30 01:00 X 012 McGraw SpeX/MORIS ACB Feb. 7 Fr 01:00 02:20 X 053 LeBaron SpeX MSC 02:20 02:50 --- --- inst. change 02:50 05:50 X 030 Lopez-Oquendo MIRSI/MOC/`Opihi MSC 05:50 06:00 --- --- facility close Feb. 7 Fr 14:00 14:30 --- --- facility open 14:30 15:00 --- --- inst. change 15:00 18:00 X 090 Young iSHELL ACB Daylight Obs 18:00 18:30 --- --- inst. change 18:30 20:05 X 019 Kospal SpeX MSC 20:05 21:35 X 014 Pettine SpeX MSC occultation 21:35 02:35 X 059 Madden-Watson SpeX/MORIS JTR Feb. 8 Sa 02:35 05:50 068 Bolin SpeX/MORIS MSC 05:50 06:00 --- --- facility close Feb. 8 Sa 14:00 14:30 --- --- facility open 14:30 15:00 --- --- inst. change 15:00 18:00 X 090 Young iSHELL ACB Daylight Obs 18:00 18:30 --- --- inst. change 18:30 21:30 X 046 Melis MIRSI/MOC MSC 21:30 22:00 --- --- inst. change 22:00 22:45 X 019 Kospal SpeX MSC 22:45 23:30 X 014 Pettine SpeX MSC service 23:30 03:30 X 089 McGraw SpeX/MORIS ACB Feb. 9 Su 03:30 05:50 068 Bolin SpeX/MORIS MSC 05:50 06:00 --- --- facility close Feb. 9 Su 14:00 14:30 --- --- facility open 14:30 15:00 --- --- inst. change 15:00 18:30 X 090 Young iSHELL ACB Daylight Obs 18:30 23:00 X 085 Flores iSHELL MSC 23:00 23:30 --- --- inst. change 23:30 03:50 X 089 McGraw SpeX/MORIS ACB Feb. 10 Mo 03:50 05:50 X 025 Landt SpeX ACB 05:50 06:00 --- --- facility close Feb. 10 Mo 14:00 14:30 --- --- facility open 14:30 15:00 --- --- inst. change 15:00 18:30 X 090 Young iSHELL ACB Daylight Obs 18:30 23:00 X 085 Flores iSHELL MSC 23:00 23:30 --- --- inst. change 23:30 05:50 X 073 Hinkle SpeX/MORIS ACB Feb. 11 Tu 05:50 06:00 --- --- facility close Feb. 11 Tu 14:00 14:30 --- --- facility open 14:30 15:00 --- --- inst. change 15:00 18:15 X 090 Young iSHELL ACB Daylight Obs 18:15 22:05 X 067 Chojnowski iSHELL ACB 22:05 22:35 --- --- inst. change 22:35 23:35 X 019 Kospal SpeX MSC 23:35 05:50 X 066 Howell SpeX JTR Feb. 12 We 05:50 06:00 --- --- facility close Feb. 12 We 14:00 14:30 --- --- facility open 14:30 15:00 --- --- inst. change 15:00 18:30 X 090 Young iSHELL ACB Daylight Obs 18:30 21:30 X 037 Brady iSHELL ACB 21:30 22:00 --- --- inst. change 22:00 23:00 X 019 Kospal SpeX MSC 23:00 05:50 X 050 Medler SpeX ACB First Night Feb. 13 Th 05:50 06:00 --- --- facility close Feb. 13 Th 14:00 14:30 --- --- facility open 14:30 15:00 --- --- inst. change 15:00 18:00 X 090 Young iSHELL ACB Daylight Obs 18:00 18:30 --- --- inst. change 18:30 19:15 X 014 Pettine SpeX MSC service 19:15 20:15 X 019 Kospal SpeX MSC 20:15 05:50 X 010 Panda SpeX MSC Feb. 14 Fr 05:50 06:00 --- --- facility close Feb. 14 Fr 14:00 14:30 --- --- facility open 14:30 15:00 --- --- inst. change 15:00 18:00 X 090 Young iSHELL ACB Daylight Obs 18:00 18:30 --- --- inst. change 18:30 21:00 X 074 Emerson SpeX ACB 21:00 22:00 X 019 Kospal SpeX MSC 22:00 23:30 X 014 Pettine SpeX MSC occultation 23:30 05:50 X 065 Hoogendam SpeX/MORIS ACB Feb. 15 Sa 05:50 06:00 --- --- facility close Feb. 15 Sa 14:00 14:30 --- --- facility open 14:30 15:00 --- --- inst. change 15:00 18:00 X 090 Young iSHELL ACB Daylight Obs 18:00 18:30 --- --- inst. change 18:30 22:45 X 994 Moore SpeX MSC 22:45 23:30 X 019 Kospal SpeX MSC 23:30 05:50 060 Hyseni SpeX ACB Feb. 16 Su 05:50 06:00 --- --- facility close Feb. 16 Su 14:00 14:30 --- --- facility open 14:30 15:00 --- --- inst. change 15:00 18:00 X 090 Young iSHELL ACB Daylight Obs 18:00 18:30 --- --- inst. change 18:30 22:45 X 995 Zamudio SpeX ACB 22:45 23:30 X 019 Kospal SpeX MSC 23:30 04:20 060 Hyseni SpeX ACB Feb. 17 Mo 04:20 05:50 X 025 Landt SpeX ACB 05:50 06:00 --- --- facility close Feb. 17 Mo 14:00 14:30 --- --- facility open 14:30 15:00 --- --- inst. change 15:00 18:00 X 090 Young iSHELL ACB Daylight Obs 18:00 18:30 --- --- inst. change 18:30 22:10 X 048 Siwak SpeX MSC 22:10 23:10 X 019 Kospal SpeX MSC 23:10 05:50 X 010 Panda SpeX MSC Feb. 18 Tu 05:50 06:00 --- --- facility close Feb. 18 Tu 14:00 14:30 --- --- facility open 14:30 15:00 --- --- inst. change 15:00 18:00 X 090 Young iSHELL ACB Daylight Obs 18:00 18:30 --- --- inst. change 18:30 19:30 X 019 Kospal SpeX MSC 19:30 23:30 X 074 Emerson SpeX ACB 23:30 05:50 X 999 Engineering TBD ACB Feb. 19 We 05:50 06:00 --- --- facility close Feb. 19 We 14:00 14:30 --- --- facility open 14:30 15:00 --- --- inst. change 15:00 18:00 X 090 Young iSHELL ACB Daylight Obs 18:00 18:30 --- --- inst. change 18:30 19:30 X 019 Kospal SpeX MSC 19:30 00:50 X 006 Theissen SpeX JTR Feb. 20 Th 00:50 05:50 X 015 Rackham SpeX JTR 05:50 06:00 --- --- facility close Feb. 20 Th 14:00 14:30 --- --- facility open 14:30 15:00 --- --- inst. change 15:00 18:00 X 090 Young iSHELL ACB Daylight Obs 18:00 18:30 --- --- inst. change 18:30 19:30 X 019 Kospal SpeX MSC 19:30 20:15 X 014 Pettine SpeX MSC service 20:15 21:15 X 053 LeBaron SpeX MSC 21:15 03:15 X 059 Madden-Watson SpeX/MORIS JTR Feb. 21 Fr 03:15 05:50 X 995 Zamudio SpeX ACB 05:50 06:00 --- --- facility close Feb. 21 Fr 14:00 14:30 --- --- facility open 14:30 15:00 --- --- inst. change 15:00 18:00 X 090 Young iSHELL ACB Daylight Obs 18:00 18:30 --- --- inst. change 18:30 21:30 X 074 Emerson SpeX ACB 21:30 22:30 X 019 Kospal SpeX MSC 22:30 05:50 X 056 Thomas SpeX/MORIS JTR Feb. 22 Sa 05:50 06:00 --- --- facility close Feb. 22 Sa 14:00 14:30 --- --- facility open 14:30 15:00 --- --- inst. change 15:00 18:15 X 090 Young iSHELL ACB Daylight Obs 18:15 21:30 X 067 Chojnowski iSHELL ACB 21:30 22:00 --- --- inst. change 22:00 22:45 X 019 Kospal SpeX MSC 22:45 05:50 X 008 Reddy SpeX/MORIS/`Opihi ACB Feb. 23 Su 05:50 06:00 --- --- facility close Feb. 23 Su 10:30 11:00 --- --- facility open 11:00 14:30 X 071 Machado SpeX MSC Daylight Obs, First Day 14:30 15:00 --- --- inst. change 15:00 18:00 X 090 Young iSHELL ACB Daylight Obs 18:00 18:30 --- --- inst. change 18:30 22:00 X 994 Moore SpeX MSC 22:00 22:45 X 019 Kospal SpeX MSC 22:45 04:20 X 008 Reddy SpeX/MORIS/`Opihi ACB Feb. 24 Mo 04:20 05:50 X 025 Landt SpeX ACB 05:50 06:00 --- --- facility close Feb. 24 Mo 14:00 14:30 --- --- facility open 14:30 15:00 --- --- inst. change 15:00 18:00 X 090 Young iSHELL ACB Daylight Obs 18:00 18:30 --- --- inst. change 18:30 21:00 X 074 Emerson SpeX ACB 21:00 21:45 X 019 Kospal SpeX MSC 21:45 22:15 X 014 Pettine SpeX MSC service 22:15 23:45 X 032 Harish SpeX ACB 23:45 05:50 X 999 Engineering TBD ACB Feb. 25 Tu 05:50 06:00 --- --- facility close Feb. 25 Tu 18:00 18:30 --- --- facility open 18:30 19:30 X 019 Kospal SpeX MSC 19:30 05:50 X 017 Arredondo SpeX/MORIS ACB Feb. 26 We 05:50 06:00 --- --- facility close Feb. 26 We 13:00 13:30 --- --- facility open 13:30 14:00 --- --- inst. change 14:00 18:00 X 070 Sinclair TEXES ACB Daylight Obs 18:00 23:00 X 070 Sinclair TEXES ACB 23:00 23:30 --- --- inst. change 23:30 03:30 X 066 Howell SpeX JTR Feb. 27 Th 03:30 05:50 X 026 Abraham SpeX MSC 05:50 06:00 --- --- facility close Feb. 27 Th 13:00 13:30 --- --- facility open 13:30 14:00 --- --- inst. change 14:00 18:00 X 069 Sinclair TEXES ACB Daylight Obs 18:00 23:00 X 069 Sinclair TEXES ACB 23:00 23:30 --- --- inst. change 23:30 02:30 X 059 Madden-Watson SpeX/MORIS JTR Feb. 28 Fr 02:30 05:50 X 026 Abraham SpeX MSC 05:50 06:00 --- --- facility close Feb. 28 Fr 13:00 13:30 --- --- facility open 13:30 14:00 --- --- inst. change 14:00 18:00 X 031 Giles TEXES ACB Daylight Obs 18:00 19:00 X 031 Giles TEXES ACB 19:00 23:00 X 061 Spencer TEXES ACB 23:00 23:30 --- --- inst. change 23:30 05:50 X 056 Thomas SpeX/MORIS JTR Observer List 006 Christopher Theissen, Daniella Bardalez Gagliuffi, Elisabeth Newton, Adam Burgasser, Sarah Jiang, Jackie Faherty, Eileen Gonzales, Andrew Mann, Christian Aganze, Dino Hsu 008 Vishnu Reddy, Juan Sanchez, Adam Battle, David Cantillo, Miren Miranda 010 Swayamtrupta Panda, Mary Loli Martinez Aldama, Yan-Rong Li, Anahis de la Barra 012 Lauren McGraw, Cristina Thomas, Josh Emery, Andy Rivkin 014 Madeline Pettine, Julie Rathbun 015 Benjamin Rackham, Adam Burgasser, Christopher Theissen 017 Anicia Arredondo 019 Agnes Kospal, Peter Abraham, Konstantin Getman, Dmitry Semenov, Sierk van Terwisga, Vitaly V. Akimkin 025 Hermine Landt, Rick Edelson, Raj Prince, Francesco Saturni, Mike Brotherton, Juan Hernandez-Santisteban, Keith Horne 026 Peter Abraham, Agnes Kospal, Jozsef Varga, Lei Chen, Foteini Lykou 030 Andy Lopez-Oquendo, Joseph Hora, David Trilling 031 Rohini Giles, Thomas Greathouse 032 . Harish, Joshua Emery, Paul Hayne, Kya Sorli 037 Kristin Brady, Catherine Pilachowski 044 Henrik Melin, Tom Stallard, Luke Moore, James O'Donoghue, Paola Tiranti, Emma Thomas, Katie Knowles 046 Carl Melis 048 Michal Siwak, Agnes Kospal, Miguel Vioque, Fernando Cruz-Saenz de Miera, Peter Abraham, Eleonora Fiorellino, T. Giannini, Zsofia Nagy, Maria Kun, Mate Szilagyi, Zsofia Marianna Szabo, S. Hodgkin, Alvaro Ribas 050 Kyle Medler, Chris Ashall, Cameron Pfeffer 053 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, Wen-fai Fong, Regis Cartier, Silvia Piranomonte, Andrea Melandri, Jennifer Andrews, Manisha Shrestha, David Radice, Katie Auchettl, Charlie Kilpatrick, Brian Metzger, Anirudh Patel, Shreya Anand, Luca Izzo 056 Cristina Thomas, John Rayner, Francesca DeMeo, Lauren McGraw, Michael Marsset, Andy Rivkin, Joshua Emery, David Polishook, Brian Burt, Richard P. Binzel, Nicholas Moskovitz 057 Chysa Avdellidou, Ullas Bhat, Marco Delbo, Kevin Walsh, Sunao Hasegawa 059 Aidan Madden-Watson, Oriel Humes, Cristina Thomas 060 Pranvera Hyseni, Andrew Rivkin, Myriam Telus 061 John Spencer, Rohini Giles, Constantine Tsang 065 Willem Hoogendam, Ben Shappee, Katie Auchettl, Jennifer Shi, Chris Ashall, Kyle Medler, David Jones 066 Ellen Howell, Ronald Vervack, Yanga Fernandez, Samuel Myers, Mary Hinkle, Sean Marshall 067 Stephen Chojnowski, Pamela Marcum, Steve Howell 068 Bryce Bolin, Chrysa Avdellidou, Marco Delbo, Casey Lisse, Keith Noll, Alessandro Morbidelli, Greg Engh, Laura-May Abron 069 James Sinclair, Thomas Greathouse, Rohini Giles, Glenn Orton, Vincent Hue, Leigh Fletcher, Patrick Irwin 070 James Sinclair, Thomas Greathouse, Rohini Giles, Conor Nixon, Vincent Hue, Glenn Orton, Leigh Fletcher, Patrick Irwin 071 Pedro Machado, Diogo Quirino, Rafael Silva, Joao Dias, Joao Duarte, Ricardo Trigo, Mattias Green, Francisco Brasil, Jose Ribeiro, Daniela Espadinha. 073 Jason Hinkle, Benjamin Shappee 074 Kenji Emerson, Adwin Boogert 085 Christian Flores, Michael Connelley 087 Aravind Pazhayath Ravi, Samaporn Tinyanont, Jeonghee Rho, Ryan Foley, Seong Hyun Park, Stefano Valenti, Manisha Shrestha, Charlie Kilpatrick, David Sand, Jennifer Andrews, Bostroem K. Azalee, Yize Dong, Emily Hoang, Nicolas Meza Retamal, Darshana Mehta, Kirsty Taggart, Jens Hjorth, Christa Gall, Gautham Narayan, Alexander Gagliano, Saurabh Jha, Lindsey Kwok 089 Allison McGraw, Maxmillian Lipitz 090 Eliot Young, Mark Bullock, Ting-Juan Liao, Kevin McGouldrick, Kandi Jessup MARCH 2025 HST Date HST Time TO Remote Prog & PI Instr SA Comments Mar. 1 Sa 05:50 06:00 --- --- facility close Mar. 1 Sa 13:00 13:30 --- --- facility open 13:30 14:00 --- --- inst. change 14:00 18:00 X 031 Giles TEXES ACB Daylight Obs 18:00 19:00 X 031 Giles TEXES ACB 19:00 23:00 X 061 Spencer TEXES ACB 23:00 23:30 --- --- inst. change 23:30 05:50 X 997 Open Time TBD ACB Mar. 2 Su 05:50 06:00 --- --- facility close Mar. 2 Su 13:00 13:30 --- --- facility open 13:30 14:00 --- --- inst. change 14:00 18:00 X 039 Antunano TEXES ACB Daylight Obs 18:00 19:00 X 039 Antunano TEXES ACB 19:00 23:00 X 061 Spencer TEXES ACB 23:00 23:30 --- --- inst. change 23:30 05:50 X 997 Open Time TBD ACB Mar. 3 Mo 05:50 06:00 --- --- facility close Mar. 3 Mo 13:00 13:30 --- --- facility open 13:30 14:00 --- --- inst. change 14:00 18:00 X 039 Antunano TEXES ACB Daylight Obs 18:00 21:00 X 039 Antunano TEXES ACB 21:00 23:00 X 070 Sinclair TEXES ACB 23:00 23:30 --- --- inst. change 23:30 02:50 X 062 Pozniak SpeX MSC First Night Mar. 4 Tu 02:50 05:50 X 066 Howell SpeX JTR 05:50 06:00 --- --- facility close Mar. 4 Tu 13:00 13:30 --- --- facility open 13:30 14:00 --- --- inst. change 14:00 18:00 X 031 Giles TEXES ACB Daylight Obs 18:00 19:00 X 031 Giles TEXES ACB 19:00 23:00 X 070 Sinclair TEXES ACB 23:00 23:30 --- --- inst. change 23:30 05:50 X 089 McGraw SpeX/MORIS ACB Mar. 5 We 05:50 06:00 --- --- facility close Mar. 5 We 13:00 13:30 --- --- facility open 13:30 14:00 --- --- inst. change 14:00 18:00 X 031 Giles TEXES ACB Daylight Obs 18:00 19:00 X 031 Giles TEXES ACB 19:00 23:00 X 070 Sinclair TEXES ACB 23:00 23:30 --- --- inst. change 23:30 05:50 X 089 McGraw SpeX/MORIS ACB Mar. 6 Th 05:50 06:00 --- --- facility close Mar. 6 Th 15:30 16:00 --- --- facility open 16:00 16:30 --- --- inst. change 16:30 18:15 X 023 Orton MIRSI/MOC MSC Daylight Obs 18:15 22:30 X 023 Orton MIRSI/MOC MSC 22:30 23:00 --- --- inst. change 23:00 00:30 X 025 Landt SpeX ACB Mar. 7 Fr 00:30 06:05 X 011 Panda SpeX MSC 06:05 06:15 --- --- facility close Mar. 7 Fr 08:30 09:00 --- --- facility open 09:00 09:30 --- --- inst. change 09:30 16:00 X 028 Machado iSHELL ACB Daylight Obs 16:00 16:30 --- --- inst. change 16:30 18:15 X 023 Orton MIRSI/MOC MSC Daylight Obs 18:15 22:30 X 023 Orton MIRSI/MOC MSC 22:30 23:00 --- --- inst. change 23:00 06:05 X 995 Zamudio SpeX ACB Mar. 8 Sa 06:05 06:15 --- --- facility close Mar. 8 Sa 08:00 08:30 --- --- facility open 08:30 09:00 --- --- inst. change 09:00 14:30 X 038 Aoki iSHELL ACB Daylight Obs 14:30 18:00 X 028 Machado iSHELL ACB Daylight Obs 18:00 18:30 --- --- inst. change 18:30 21:45 X 995 Zamudio SpeX ACB 21:45 00:05 X 997 Open Time TBD ACB Mar. 9 Su 00:05 06:05 X 066 Howell SpeX JTR 06:05 06:15 --- --- facility close Mar. 9 Su 08:00 08:30 --- --- facility open 08:30 09:00 --- --- inst. change 09:00 14:30 X 038 Aoki iSHELL ACB Daylight Obs 14:30 18:15 X 028 Machado iSHELL ACB Daylight Obs 18:15 06:05 X 067 Chojnowski iSHELL ACB Mar. 10 Mo 06:05 06:15 --- --- facility close Mar. 10 Mo 08:30 09:00 --- --- facility open 09:00 14:30 X 038 Aoki iSHELL ACB Daylight Obs 14:30 18:00 X 028 Machado iSHELL ACB Daylight Obs 18:00 18:30 --- --- inst. change 18:30 00:25 X 087 Pazhayath Ravi SpeX/MORIS ACB Mar. 11 Tu 00:25 06:05 X 065 Hoogendam SpeX/MORIS ACB 06:05 06:15 --- --- facility close Mar. 11 Tu 15:45 16:15 --- --- facility open 16:15 18:10 X 014 Pettine SpeX MSC Daylight Obs, occultation 18:10 23:40 X 068 Bolin SpeX/MORIS MSC 23:40 06:05 X 050 Medler SpeX ACB Mar. 12 We 06:05 06:15 --- --- facility close Mar. 12 We 18:15 18:45 --- --- facility open 18:45 20:30 X 999 Engineering TBD ACB 20:30 21:00 --- --- inst. change 21:00 03:00 X 042 Donaldson Hanna MIRSI/MOC MSC Mar. 13 Th 03:00 06:05 X 046 Melis MIRSI/MOC MSC 06:05 06:15 --- --- facility close Mar. 13 Th 18:15 18:45 --- --- facility open 18:45 21:30 X 046 Melis MIRSI/MOC MSC 21:30 03:00 X 042 Donaldson Hanna MIRSI/MOC MSC Mar. 14 Fr 03:00 03:30 --- --- inst. change 03:30 06:05 X 026 Abraham SpeX MSC 06:05 06:15 --- --- facility close Mar. 14 Fr 18:15 18:45 --- --- facility open 18:45 19:45 X 014 Pettine SpeX MSC service 19:45 21:30 X 084 Lisse SpeX/MORIS JTR 21:30 02:30 X 036 Hardegree-Ullman SpeX MSC Mar. 15 Sa 02:30 06:05 X 005 Hsu SpeX JTR 06:05 06:15 --- --- facility close Mar. 15 Sa 18:15 18:45 --- --- facility open 18:45 20:45 X 994 Moore SpeX MSC 20:45 01:00 X 036 Hardegree-Ullman SpeX MSC Mar. 16 Su 01:00 02:30 X 043 Fernandez-Valenzuela MORIS MSC occultation 02:30 04:00 X 025 Landt SpeX JTR 04:00 06:05 X 084 Lisse SpeX/MORIS JTR 06:05 06:15 --- --- facility close Mar. 16 Su 18:15 18:45 --- --- facility open 18:45 21:30 X 084 Lisse SpeX/MORIS JTR 21:30 02:35 X 066 Howell SpeX JTR Mar. 17 Mo 02:35 03:05 --- --- inst. change 03:05 06:05 X 030 Lopez-Oquendo MIRSI/MOC/`Opihi MSC 06:05 06:15 --- --- facility close 10:00 16:00 --- --- inst. change Mar. 17 Mo 18:15 18:45 --- --- facility open 18:45 04:00 X 999 Engineering TBD ACB Mar. 18 Tu 04:00 06:05 X 084 Lisse SpeX/MORIS JTR 06:05 06:15 --- --- facility close Mar. 18 Tu 18:00 18:30 --- --- facility open Open early 18:30 20:10 X 014 Pettine SpeX MSC occultation 20:10 05:50 X 040 Zhang SpeX JTR Mar. 19 We 05:50 06:00 --- --- facility close Mar. 19 We 18:15 18:45 --- --- facility open 18:45 00:35 X 073 Hinkle SpeX/MORIS JTR Mar. 20 Th 00:35 06:05 X 015 Rackham SpeX JTR 06:05 06:15 --- --- facility close Mar. 20 Th 18:15 18:45 --- --- facility open 18:45 23:00 X 048 Siwak SpeX MSC 23:00 02:00 X 066 Howell SpeX JTR Mar. 21 Fr 02:00 06:05 X 026 Abraham SpeX MSC 06:05 06:15 --- --- facility close Mar. 21 Fr 18:15 18:45 --- --- facility open 18:45 19:45 X 014 Pettine SpeX MSC service 19:45 04:00 X 058 Champagne SpeX/MORIS MSC Mar. 22 Sa 04:00 06:05 X 053 LeBaron SpeX MSC 06:05 06:15 --- --- facility close Mar. 22 Sa 18:15 18:45 --- --- facility open 18:45 22:15 X 074 Emerson SpeX ACB 22:15 06:05 X 060 Hyseni SpeX ACB Mar. 23 Su 06:05 06:15 --- --- facility close Mar. 23 Su 18:15 18:45 --- --- facility open 18:45 22:15 X 074 Emerson SpeX ACB 22:15 03:15 X 058 Champagne SpeX/MORIS ACB Mar. 24 Mo 03:15 06:05 X 997 Open Time TBD ACB 06:05 06:15 --- --- facility close Mar. 24 Mo 18:15 18:45 --- --- facility open 18:45 23:45 X 999 Engineering TBD ACB 23:45 06:05 X 056 Thomas SpeX/MORIS JTR Mar. 25 Tu 06:05 06:15 --- --- facility close Mar. 25 Tu 18:15 18:45 --- --- facility open 18:45 20:35 X 053 LeBaron SpeX MSC 20:35 22:05 X 014 Pettine SpeX MSC occultation 22:05 23:05 X 025 Landt SpeX ACB 23:05 06:05 X 011 Panda SpeX MSC Mar. 26 We 06:05 06:15 --- --- facility close Mar. 26 We 18:15 18:45 --- --- facility open 18:45 02:35 X 011 Panda SpeX MSC Mar. 27 Th 02:35 03:05 --- --- inst. change 03:05 06:05 X 030 Lopez-Oquendo MIRSI/MOC/`Opihi MSC 06:05 06:15 --- --- facility close Mar. 27 Th 18:15 18:45 --- --- facility open 18:45 23:45 X 999 Engineering TBD ACB 23:45 06:05 X 016 Marsset SpeX/MORIS MSC Mar. 28 Fr 06:05 06:15 --- --- facility close Mar. 28 Fr 18:15 18:45 --- --- facility open 18:45 06:05 X 008 Reddy SpeX/MORIS/`Opihi ACB Mar. 29 Sa 06:05 06:15 --- --- facility close Mar. 29 Sa 18:15 18:45 --- --- facility open 18:45 19:45 X 014 Pettine SpeX MSC service 19:45 06:05 X 056 Thomas SpeX/MORIS JTR Mar. 30 Su 06:05 06:15 --- --- facility close Mar. 30 Su 18:15 18:45 --- --- facility open 18:45 00:05 X 073 Hinkle SpeX/MORIS ACB Mar. 31 Mo 00:05 03:05 X 066 Howell SpeX JTR 03:05 06:05 X 997 Open Time TBD ACB 06:05 06:15 --- --- facility close Mar. 31 Mo 14:45 15:15 --- --- facility open 15:15 18:45 X 083 Dahl SpeX MSC Daylight Obs 18:45 19:45 X 014 Pettine SpeX MSC service 19:45 01:05 X 050 Medler SpeX ACB Observer List 005 Chih-Chun Hsu, Christopher Theissen, Adam Burgasser, Roman Gerasimov, Christian Aganze 008 Vishnu Reddy, Juan Sanchez, Adam Battle, David Cantillo, Miren Miranda 011 Swayamtrupta Panda, Denimara Dias dos Santos, Alberto Rodriguez Ardila 014 Madeline Pettine, Julie Rathbun 015 Benjamin Rackham, Adam Burgasser, Christopher Theissen 016 Michael Marsset, Pierre Vernazza, Miroslav Broz, Max Mahlke, Chrysa Avdellidou, Francesca DeMeo, Richard Binzel, Cristina Thomas, Benoit Carry, Kate Minker, Brian Burt, David Polishook, Josef Hanus, Mirel Birlan, Bin Yang, Christophe Dumas, Sunao Hasegawa, Emmanuel Jehin, Francois Colas, Matthias Meier, Pierre Beck 023 Glenn Orton, Joseph Hora, James Sinclair, Thomas Momary, Leigh Fletcher, Shawn Brueshaber, Jake Harkett, Arrate Antunano, Thomas Greathouse 025 Hermine Landt, Rick Edelson, Raj Prince, Francesco Saturni, Mike Brotherton, Juan Hernandez-Santisteban, Keith Horne 026 Peter Abraham, Agnes Kospal, Jozsef Varga, Lei Chen, Foteini Lykou 028 Pedro Machado, Joao Dias, Takao Sato, Hideo Sagawa, Severine Robert, Diogo Quirino, Francisco Brasil, Rafael Silva, Daniela Espadinha 030 Andy Lopez-Oquendo, Joseph Hora, David Trilling 031 Rohini Giles, Thomas Greathouse 036 Kevin Hardegree-Ullman, Shubham Kanodia, Caleb Canas 038 Shohei Aoki, AnnCarine Vandaele, Emmanuel Marcq, Justin Erwin, Tatsuro Iwanaka, Hideo Sagawa, Takao Sato, Severine Robert, Emile Ducreux 039 Arrate Antunano, Leigh N Fletcher, Thommas Greathouse, Glenn S Orton, Rohini Giles, Henrik Melin, James A. Sinclair, Michael T. Roman, Jake Harkett 040 Zenghua Zhang, Richard Smart, Maria Cruz Galvez Ortiz, Hugh Jones, Sayan Baig, Bartosz Gauza, Felipe Navarete, Nicolas Lodieu, Patricia Cruz, Roberto Raddi, Yakiv Pavlenko, Yutong Shan, Gemma Cheng 042 Kerri Donaldson Hanna, Autumn Shackelford, Abigail Flom, Paul Lucey, Benjamin Greenhagen 043 Estela Fernandez-Valenzuela, Ben Proudfoot, Bryan Holler, Flavia Rommel, Cameron Collyer, Xavier Inonsencio 046 Carl Melis 048 Michal Siwak, Agnes Kospal, Miguel Vioque, Fernando Cruz-Saenz de Miera, Peter Abraham, Eleonora Fiorellino, T. Giannini, Zsofia Nagy, Maria Kun, Mate Szilagyi, Zsofia Marianna Szabo, S. Hodgkin, Alvaro Ribas 050 Kyle Medler, Chris Ashall, Cameron Pfeffer 053 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, Wen-fai Fong, Regis Cartier, Silvia Piranomonte, Andrea Melandri, Jennifer Andrews, Manisha Shrestha, David Radice, Katie Auchettl, Charlie Kilpatrick, Brian Metzger, Anirudh Patel, Shreya Anand, Luca Izzo 056 Cristina Thomas, John Rayner, Francesca DeMeo, Lauren McGraw, Michael Marsset, Andy Rivkin, Joshua Emery, David Polishook, Brian Burt, Richard P. Binzel, Nicholas Moskovitz 058 Chansey Champagne, Cristina Thomas, Joshua Emery 060 Pranvera Hyseni, Andrew Rivkin, Myriam Telus 061 John Spencer, Rohini Giles, Constantine Tsang 062 Patrycja Pozniak, Dagmara Oszkiewicz 065 Willem Hoogendam, Ben Shappee, Katie Auchettl, Jennifer Shi, Chris Ashall, Kyle Medler, David Jones 066 Ellen Howell, Ronald Vervack, Yanga Fernandez, Samuel Myers, Mary Hinkle, Sean Marshall 067 Stephen Chojnowski, Pamela Marcum, Steve Howell 068 Bryce Bolin, Chrysa Avdellidou, Marco Delbo, Casey Lisse, Keith Noll, Alessandro Morbidelli, Greg Engh, Laura-May Abron 070 James Sinclair, Thomas Greathouse, Rohini Giles, Conor Nixon, Vincent Hue, Glenn Orton, Leigh Fletcher, Patrick Irwin 073 Jason Hinkle, Benjamin Shappee 074 Kenji Emerson, Adwin Boogert 083 Emma Dahl, William Saunders, Kunio Sayanagi, Richard French, Leslie Young, Geoffrey Blake, Justin Garland, Anne Verbiscer, Damya Souami, Stephen Levine, Nancy Chanover, Joseph Guidry, Michael Person 084 Carey Lisse, Mike Sitko, Kevin Stevenson, Elisabeth Adams, Kristin Sotzen 087 Aravind Pazhayath Ravi, Samaporn Tinyanont, Jeonghee Rho, Ryan Foley, Seong Hyun Park, Stefano Valenti, Manisha Shrestha, Charlie Kilpatrick, David Sand, Jennifer Andrews, Bostroem K. Azalee, Yize Dong, Emily Hoang, Nicolas Meza Retamal, Darshana Mehta, Kirsty Taggart, Jens Hjorth, Christa Gall, Gautham Narayan, Alexander Gagliano, Saurabh Jha, Lindsey Kwok 089 Allison McGraw, Maxmillian Lipitz APRIL 2025 HST Date HST Time TO Remote Prog & PI Instr SA Comments Apr. 1 Tu 01:05 06:05 X 065 Hoogendam SpeX/MORIS ACB 06:05 06:15 --- --- facility close Apr. 1 Tu 13:00 13:30 --- --- facility open 13:30 14:00 --- --- inst. change 14:00 18:20 X 023 Orton MIRSI/MOC MSC Daylight Obs 18:20 20:00 X 023 Orton MIRSI/MOC MSC 20:00 20:30 --- --- inst. change 20:30 23:00 X 997 Open Time TBD ACB 23:00 02:00 X 057 Avdellidou SpeX/MORIS MSC Apr. 2 We 02:00 06:10 X 015 Rackham SpeX JTR 06:10 06:20 --- --- facility close Apr. 2 We 13:00 13:30 --- --- facility open 13:30 14:00 --- --- inst. change 14:00 18:20 X 023 Orton MIRSI/MOC MSC Daylight Obs 18:20 20:00 X 023 Orton MIRSI/MOC MSC 20:00 20:30 --- --- inst. change 20:30 22:00 X 025 Landt SpeX ACB 22:00 00:30 X 088 Li SpeX JTR First Night Apr. 3 Th 00:30 06:10 X 011 Panda SpeX MSC 06:10 06:20 --- --- facility close Apr. 3 Th 13:30 14:00 --- --- facility open 14:00 18:20 X 055 Orton SpeX/MORIS MSC Daylight Obs 18:20 20:00 X 055 Orton SpeX/MORIS MSC 20:00 00:05 X 062 Pozniak SpeX MSC Apr. 4 Fr 00:05 03:05 X 066 Howell SpeX JTR 03:05 06:10 X 997 Open Time TBD ACB 06:10 06:20 --- --- facility close Apr. 4 Fr 06:30 07:00 --- --- facility open 07:00 07:30 --- --- inst. change 07:30 13:30 X 038 Aoki iSHELL ACB Daylight Obs 13:30 14:00 --- --- inst. change 14:00 18:20 X 055 Orton SpeX/MORIS MSC Daylight Obs 18:20 20:00 X 055 Orton SpeX/MORIS MSC 20:00 04:00 X 058 Champagne SpeX/MORIS ACB Apr. 5 Sa 04:00 06:10 X 053 LeBaron SpeX MSC 06:10 06:20 --- --- facility close Apr. 5 Sa 06:30 07:00 --- --- facility open 07:00 07:30 --- --- inst. change 07:30 13:30 X 038 Aoki iSHELL ACB Daylight Obs 13:30 13:40 --- --- facility close Apr. 5 Sa 18:20 18:50 --- --- facility open 18:50 23:50 X 067 Chojnowski iSHELL ACB 23:50 06:10 X 997 Open Time TBD ACB Apr. 6 Su 06:10 06:20 --- --- facility close Apr. 6 Su 07:45 08:15 --- --- facility open 08:15 08:45 --- --- inst. change 08:45 14:45 X 038 Aoki iSHELL ACB Daylight Obs 14:45 15:15 --- --- inst. change 15:15 18:45 X 083 Dahl SpeX MSC Daylight Obs 18:45 19:45 X 014 Pettine SpeX MSC service 19:45 22:30 X 006 Theissen SpeX JTR 22:30 23:00 --- --- inst. change 23:00 05:00 X 063 Lu iSHELL ACB First Night Apr. 7 Mo 05:00 05:30 --- --- inst. change 05:30 05:40 --- --- facility close Apr. 7 Mo 09:00 09:30 --- --- facility open 09:30 13:00 X 071 Machado SpeX MSC Daylight Obs 13:00 18:20 X 083 Dahl SpeX MSC Daylight Obs, occultation 18:20 20:00 X 083 Dahl SpeX MSC occultation 20:00 06:00 X 997 Open Time TBD ACB Apr. 8 Tu 06:00 10:00 X 047 Bullock SpeX MSC Daylight Obs 10:00 13:30 X 082 Peralta SpeX MSC Daylight Obs 13:30 13:40 --- --- facility close Apr. 8 Tu 18:20 18:50 --- --- facility open 18:50 22:00 X 999 Engineering TBD ACB 22:00 01:00 X 066 Howell SpeX JTR Apr. 9 We 01:00 06:00 X 048 Siwak SpeX MSC 06:00 10:00 X 047 Bullock SpeX MSC Daylight Obs 10:00 13:30 X 082 Peralta SpeX MSC Daylight Obs 13:30 13:40 --- --- facility close Apr. 9 We 18:20 18:50 --- --- facility open 18:50 21:30 X 999 Engineering TBD ACB 21:30 22:00 --- --- inst. change 22:00 02:00 X 030 Lopez-Oquendo MIRSI/MOC/`Opihi MSC Apr. 10 Th 02:00 05:30 X 046 Melis MIRSI/MOC MSC 05:30 06:00 --- --- inst. change 06:00 10:00 X 047 Bullock SpeX MSC Daylight Obs 10:00 13:30 X 082 Peralta SpeX MSC Daylight Obs 13:30 13:40 --- --- facility close Apr. 10 Th 18:20 18:50 --- --- facility open 18:50 20:35 X 014 Pettine SpeX MSC occultation 20:35 01:35 X 058 Champagne SpeX/MORIS ACB Apr. 11 Fr 01:35 02:05 --- --- inst. change 02:05 05:30 X 037 Brady iSHELL ACB 05:30 06:00 --- --- inst. change 06:00 10:00 X 047 Bullock SpeX MSC Daylight Obs 10:00 13:30 X 082 Peralta SpeX MSC Daylight Obs 13:30 13:40 --- --- facility close Apr. 11 Fr 18:20 18:50 --- --- facility open 18:50 19:50 X 014 Pettine SpeX MSC service 19:50 21:00 X 025 Landt SpeX ACB 21:00 03:00 X 008 Reddy SpeX/MORIS/`Opihi ACB Apr. 12 Sa 03:00 06:00 X 048 Siwak SpeX MSC 06:00 10:00 X 047 Bullock SpeX MSC Daylight Obs 10:00 13:30 X 082 Peralta SpeX MSC Daylight Obs 13:30 13:40 --- --- facility close Apr. 12 Sa 18:20 18:50 --- --- facility open 18:50 20:30 X 014 Pettine SpeX MSC service 20:30 21:00 --- --- inst. change 21:00 03:00 X 042 Donaldson Hanna MIRSI/MOC MSC Apr. 13 Su 03:00 05:30 X 046 Melis MIRSI/MOC MSC 05:30 06:00 --- --- inst. change 06:00 10:00 X 047 Bullock SpeX MSC Daylight Obs 10:00 13:30 X 082 Peralta SpeX MSC Daylight Obs 13:30 13:40 --- --- facility close Apr. 13 Su 18:20 18:50 --- --- facility open 18:50 20:30 X 053 LeBaron SpeX MSC 20:30 21:00 --- --- inst. change 21:00 03:00 X 042 Donaldson Hanna MIRSI/MOC MSC Apr. 14 Mo 03:00 03:30 --- --- inst. change 03:30 06:00 X 997 Open Time TBD ACB 06:00 10:00 X 047 Bullock SpeX MSC Daylight Obs 10:00 13:30 X 082 Peralta SpeX MSC Daylight Obs 13:30 13:40 --- --- facility close Apr. 14 Mo 18:20 18:50 --- --- facility open 18:50 00:30 X 087 Pazhayath Ravi SpeX/MORIS ACB Apr. 15 Tu 00:30 04:00 X 026 Abraham SpeX MSC 04:00 06:00 X 997 Open Time TBD ACB 06:00 10:00 X 047 Bullock SpeX MSC Daylight Obs 10:00 13:30 X 082 Peralta SpeX MSC Daylight Obs 13:30 13:40 --- --- facility close Apr. 15 Tu 18:20 18:50 --- --- facility open 18:50 23:55 X 065 Hoogendam SpeX/MORIS ACB 23:55 06:00 X 073 Hinkle SpeX/MORIS ACB Apr. 16 We 06:00 10:00 X 047 Bullock SpeX MSC Daylight Obs 10:00 13:30 X 082 Peralta SpeX MSC Daylight Obs 13:30 13:40 --- --- facility close Apr. 16 We 18:20 18:50 --- --- facility open 18:50 19:50 X 014 Pettine SpeX MSC service 19:50 21:30 X 025 Landt SpeX ACB 21:30 03:00 X 050 Medler SpeX ACB Apr. 17 Th 03:00 06:00 X 049 Worthen SpeX ACB 06:00 10:00 X 047 Bullock SpeX MSC Daylight Obs 10:00 13:30 X 082 Peralta SpeX MSC Daylight Obs 13:30 13:40 --- --- facility close Apr. 17 Th 18:20 18:50 --- --- facility open 18:50 23:55 X 006 Theissen SpeX JTR 23:55 06:00 X 068 Bolin SpeX/MORIS MSC Apr. 18 Fr 06:00 10:00 X 047 Bullock SpeX MSC Daylight Obs 10:00 10:10 --- --- facility close Apr. 18 Fr 18:20 18:50 --- --- facility open 18:50 03:50 X 027 Szakats SpeX/MORIS MSC Apr. 19 Sa 03:50 06:00 X 997 Open Time TBD ACB 06:00 10:00 X 047 Bullock SpeX MSC Daylight Obs 10:00 10:10 --- --- facility close Apr. 19 Sa 18:20 18:50 --- --- facility open 18:50 03:50 X 027 Szakats SpeX/MORIS MSC Apr. 20 Su 03:50 06:00 X 997 Open Time TBD ACB 06:00 10:00 X 047 Bullock SpeX MSC Daylight Obs 10:00 10:10 --- --- facility close Apr. 20 Su 18:20 18:50 --- --- facility open 18:50 19:50 X 014 Pettine SpeX MSC service 19:50 23:40 X 999 Engineering TBD ACB 23:40 03:30 X 026 Abraham SpeX MSC Apr. 21 Mo 03:30 06:00 X 033 Bennert SpeX MSC service 06:00 10:00 X 047 Bullock SpeX MSC Daylight Obs 10:00 10:10 --- --- facility close Apr. 21 Mo 18:20 18:50 --- --- facility open 18:50 23:30 X 999 Engineering TBD ACB 23:30 00:30 X 025 Landt SpeX ACB Apr. 22 Tu 00:30 06:00 X 015 Rackham SpeX JTR 06:00 10:00 X 047 Bullock SpeX MSC Daylight Obs 10:00 10:10 --- --- facility close Apr. 22 Tu 18:20 18:50 --- --- facility open 18:50 02:50 X 075 Bolin SpeX/MORIS MSC Apr. 23 We 02:50 06:00 X 079 De SpeX JTR 06:00 10:00 X 047 Bullock SpeX MSC Daylight Obs 10:00 10:30 --- --- inst. change 10:30 10:40 --- --- facility close Apr. 23 We 18:20 18:50 --- --- facility open 18:50 23:00 X 067 Chojnowski iSHELL ACB 23:00 05:30 X 063 Lu iSHELL ACB Apr. 24 Th 05:30 06:00 --- --- inst. change 06:00 10:00 X 047 Bullock SpeX MSC Daylight Obs 10:00 10:10 --- --- facility close Apr. 24 Th 18:20 18:50 --- --- facility open 18:50 20:20 X 025 Landt SpeX ACB 20:20 06:00 X 999 Engineering TBD ACB Apr. 25 Fr 06:00 10:00 X 047 Bullock SpeX MSC Daylight Obs 10:00 10:10 --- --- facility close Apr. 25 Fr 18:20 18:50 --- --- facility open 18:50 06:00 X 060 Hyseni SpeX ACB Apr. 26 Sa 06:00 10:00 X 047 Bullock SpeX MSC Daylight Obs 10:00 10:10 --- --- facility close Apr. 26 Sa 16:30 17:00 --- --- facility open Open early 17:00 19:05 X 014 Pettine SpeX MSC Daylight Obs, occultation 19:05 22:30 X 062 Pozniak SpeX MSC 22:30 06:00 X 040 Zhang SpeX JTR Apr. 27 Su 06:00 10:00 X 047 Bullock SpeX MSC Daylight Obs 10:00 10:10 --- --- facility close Apr. 27 Su 18:20 18:50 --- --- facility open 18:50 06:00 X 008 Reddy SpeX/MORIS/`Opihi ACB Apr. 28 Mo 06:00 10:00 X 047 Bullock SpeX MSC Daylight Obs 10:00 10:10 --- --- facility close Apr. 28 Mo 18:20 18:50 --- --- facility open 18:50 06:00 X 056 Thomas SpeX/MORIS JTR Apr. 29 Tu 06:00 10:00 X 047 Bullock SpeX MSC Daylight Obs 10:00 10:10 --- --- facility close Apr. 29 Tu 18:20 18:50 --- --- facility open 18:50 03:00 X 011 Panda SpeX MSC Apr. 30 We 03:00 06:00 X 033 Bennert SpeX MSC service 06:00 10:00 X 047 Bullock SpeX MSC Daylight Obs 10:00 10:10 --- --- facility close Apr. 30 We 18:20 18:50 --- --- facility open 18:50 02:50 X 027 Szakats SpeX/MORIS MSC Observer List 006 Christopher Theissen, Daniella Bardalez Gagliuffi, Elisabeth Newton, Adam Burgasser, Sarah Jiang, Jackie Faherty, Eileen Gonzales, Andrew Mann, Christian Aganze, Dino Hsu 008 Vishnu Reddy, Juan Sanchez, Adam Battle, David Cantillo, Miren Miranda 011 Swayamtrupta Panda, Denimara Dias dos Santos, Alberto Rodriguez Ardila 014 Madeline Pettine, Julie Rathbun 015 Benjamin Rackham, Adam Burgasser, Christopher Theissen 023 Glenn Orton, Joseph Hora, James Sinclair, Thomas Momary, Leigh Fletcher, Shawn Brueshaber, Jake Harkett, Arrate Antunano, Thomas Greathouse 025 Hermine Landt, Rick Edelson, Raj Prince, Francesco Saturni, Mike Brotherton, Juan Hernandez-Santisteban, Keith Horne 026 Peter Abraham, Agnes Kospal, Jozsef Varga, Lei Chen, Foteini Lykou 027 Robert Szakats, Csaba Kiss 030 Andy Lopez-Oquendo, Joseph Hora, David Trilling 033 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, Nico Winkel 037 Kristin Brady, Catherine Pilachowski 038 Shohei Aoki, AnnCarine Vandaele, Emmanuel Marcq, Justin Erwin, Tatsuro Iwanaka, Hideo Sagawa, Takao Sato, Severine Robert, Emile Ducreux 040 Zenghua Zhang, Richard Smart, Maria Cruz Galvez Ortiz, Hugh Jones, Sayan Baig, Bartosz Gauza, Felipe Navarete, Nicolas Lodieu, Patricia Cruz, Roberto Raddi, Yakiv Pavlenko, Yutong Shan, Gemma Cheng 042 Kerri Donaldson Hanna, Autumn Shackelford, Abigail Flom, Paul Lucey, Benjamin Greenhagen 046 Carl Melis 047 Mark Bullock, Eliot Young, Kevin McGouldrick, Toru Kouyama, Ting-Juan Liao, Kandi Jessup 048 Michal Siwak, Agnes Kospal, Miguel Vioque, Fernando Cruz-Saenz de Miera, Peter Abraham, Eleonora Fiorellino, T. Giannini, Zsofia Nagy, Maria Kun, Mate Szilagyi, Zsofia Marianna Szabo, S. Hodgkin, Alvaro Ribas 049 Kadin Worthen, Christine Chen, Cicero Lu, Isabel Rebollido 050 Kyle Medler, Chris Ashall, Cameron Pfeffer 053 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, Wen-fai Fong, Regis Cartier, Silvia Piranomonte, Andrea Melandri, Jennifer Andrews, Manisha Shrestha, David Radice, Katie Auchettl, Charlie Kilpatrick, Brian Metzger, Anirudh Patel, Shreya Anand, Luca Izzo 055 Glenn Orton, Thomas Momary, Kevin Baines, Emma Dahl, Kennedi White, Shawn Brueshaber, James Sinclair, Leigh Fletcher, Arrate Antunano, Alessandro Mura, Davide Grassi 056 Cristina Thomas, John Rayner, Francesca DeMeo, Lauren McGraw, Michael Marsset, Andy Rivkin, Joshua Emery, David Polishook, Brian Burt, Richard P. Binzel, Nicholas Moskovitz 057 Chysa Avdellidou, Ullas Bhat, Marco Delbo, Kevin Walsh, Sunao Hasegawa 058 Chansey Champagne, Cristina Thomas, Joshua Emery 060 Pranvera Hyseni, Andrew Rivkin, Myriam Telus 062 Patrycja Pozniak, Dagmara Oszkiewicz 063 Cicero Lu, Emily Deibert, Jiayin Dong, Megan Weiner Mansfield 065 Willem Hoogendam, Ben Shappee, Katie Auchettl, Jennifer Shi, Chris Ashall, Kyle Medler, David Jones 066 Ellen Howell, Ronald Vervack, Yanga Fernandez, Samuel Myers, Mary Hinkle, Sean Marshall 067 Stephen Chojnowski, Pamela Marcum, Steve Howell 068 Bryce Bolin, Chrysa Avdellidou, Marco Delbo, Casey Lisse, Keith Noll, Alessandro Morbidelli, Greg Engh, Laura-May Abron 071 Pedro Machado, Diogo Quirino, Rafael Silva, Joao Dias, Joao Duarte, Ricardo Trigo, Mattias Green, Francisco Brasil, Jose Ribeiro, Daniela Espadinha. 073 Jason Hinkle, Benjamin Shappee 075 Bryce Bolin, Chrysa Avdellidou, Marco Delbo, Laura-May Abron, Greg Engh, Casey Lisse, Keith Noll, Alessandro Morbidelli 079 Kishalay De 082 Javier Peralta, Itziar Garate-Lopez, Jaime Reyes-Guerrero, Santiago Perez-Hoyos, Maria Gravalosa, Ricardo Hueso, Eliot Young, Mark Bullock 083 Emma Dahl, William Saunders, Kunio Sayanagi, Richard French, Leslie Young, Geoffrey Blake, Justin Garland, Anne Verbiscer, Damya Souami, Stephen Levine, Nancy Chanover, Joseph Guidry, Michael Person 087 Aravind Pazhayath Ravi, Samaporn Tinyanont, Jeonghee Rho, Ryan Foley, Seong Hyun Park, Stefano Valenti, Manisha Shrestha, Charlie Kilpatrick, David Sand, Jennifer Andrews, Bostroem K. Azalee, Yize Dong, Emily Hoang, Nicolas Meza Retamal, Darshana Mehta, Kirsty Taggart, Jens Hjorth, Christa Gall, Gautham Narayan, Alexander Gagliano, Saurabh Jha, Lindsey Kwok 088 Alexis Li, Christine Chen, Carey Lisse, Michael Sitko, Beth Sargent, Kadin Worthen, Cicero Lu, Greg Sloan. MAY 2025 HST Date HST Time TO Remote Prog & PI Instr SA Comments May. 1 Th 02:50 06:10 X 003 Tu SpeX ACB 06:10 06:20 --- --- facility close May. 1 Th 18:20 18:50 --- --- facility open 18:50 02:50 X 027 Szakats SpeX/MORIS MSC May. 2 Fr 02:50 06:10 X 003 Tu SpeX ACB 06:10 06:20 --- --- facility close May. 2 Fr 18:20 18:50 --- --- facility open 18:50 20:20 X 025 Landt SpeX ACB 20:20 04:20 X 058 Champagne SpeX/MORIS ACB May. 3 Sa 04:20 06:20 X 997 Open Time TBD ACB 06:20 09:20 X 071 Machado SpeX MSC Daylight Obs 09:20 09:30 --- --- facility close May. 3 Sa 18:20 18:50 --- --- facility open 18:50 00:30 X 065 Hoogendam SpeX/MORIS ACB May. 4 Su 00:30 06:10 X 087 Pazhayath Ravi SpeX/MORIS ACB 06:10 06:20 --- --- facility close May. 4 Su 12:00 12:30 --- --- facility open 12:30 13:00 --- --- inst. change 13:00 18:20 X 023 Orton MIRSI/MOC MSC Daylight Obs 18:20 19:00 X 023 Orton MIRSI/MOC MSC 19:00 19:30 --- --- inst. change 19:30 00:30 X 997 Open Time TBD ACB May. 5 Mo 00:30 06:10 X 086 Contreras Pena SpeX MSC 06:10 06:20 --- --- facility close May. 5 Mo 12:00 12:30 --- --- facility open 12:30 13:00 --- --- inst. change 13:00 18:20 X 023 Orton MIRSI/MOC MSC Daylight Obs 18:20 19:00 X 023 Orton MIRSI/MOC MSC 19:00 19:30 --- --- inst. change 19:30 03:45 X 010 Panda SpeX MSC May. 6 Tu 03:45 06:10 X 033 Bennert SpeX MSC service 06:10 06:20 --- --- facility close May. 6 Tu 12:30 13:00 --- --- facility open 13:00 18:20 X 055 Orton SpeX/MORIS MSC Daylight Obs 18:20 19:00 X 055 Orton SpeX/MORIS MSC 19:00 22:00 X 997 Open Time TBD ACB 22:00 02:00 X 057 Avdellidou SpeX/MORIS MSC May. 7 We 02:00 06:10 X 079 De SpeX JTR 06:10 06:20 --- --- facility close May. 7 We 12:30 13:00 --- --- facility open 13:00 18:20 X 055 Orton SpeX/MORIS MSC Daylight Obs 18:20 19:00 X 055 Orton SpeX/MORIS MSC 19:00 22:30 X 999 Engineering TBD ACB 22:30 01:30 X 059 Madden-Watson SpeX/MORIS JTR May. 8 Th 01:30 03:10 X 053 LeBaron SpeX MSC 03:10 06:10 X 033 Bennert SpeX MSC service 06:10 06:20 --- --- facility close May. 8 Th 10:30 11:00 --- --- facility open 11:00 11:30 --- --- inst. change 11:30 16:30 X 054 Roberts iSHELL ACB Daylight Obs, First Day 16:30 17:00 --- --- inst. change 17:00 17:10 --- --- facility close May. 8 Th 18:20 18:50 --- --- facility open 18:50 06:10 X 004 McClure SpeX/MORIS MSC First Night May. 9 Fr 06:10 06:20 --- --- facility close May. 9 Fr 10:30 11:00 --- --- facility open 11:00 11:30 --- --- inst. change 11:30 16:30 X 054 Roberts iSHELL ACB Daylight Obs 16:30 19:20 X 009 Faggi iSHELL MSC Daylight Obs 19:20 21:00 X 009 Faggi iSHELL MSC 21:00 00:40 X 067 Chojnowski iSHELL ACB May. 10 Sa 00:40 06:10 X 049 Worthen iSHELL ACB 06:10 06:20 --- --- facility close May. 10 Sa 11:00 11:30 --- --- facility open 11:30 16:30 X 054 Roberts iSHELL ACB Daylight Obs 16:30 17:00 --- --- inst. change 17:00 17:10 --- --- facility close May. 10 Sa 18:20 18:50 --- --- facility open 18:50 20:20 X 025 Landt SpeX ACB 20:20 00:30 X 050 Medler SpeX ACB May. 11 Su 00:30 01:00 --- --- inst. change 01:00 04:00 X 030 Lopez-Oquendo MIRSI/MOC/`Opihi MSC 04:00 05:40 X 046 Melis MIRSI/MOC MSC 05:40 06:10 --- --- inst. change 06:10 06:20 --- --- facility close May. 11 Su 18:20 18:50 --- --- facility open 18:50 22:40 X 067 Chojnowski iSHELL ACB 22:40 01:40 X 037 Brady iSHELL ACB May. 12 Mo 01:40 06:10 X 049 Worthen iSHELL ACB 06:10 06:20 --- --- facility close May. 12 Mo 18:20 18:50 --- --- facility open 18:50 06:10 X 999 Engineering TBD ACB ASM May. 13 Tu 06:10 06:20 --- --- facility close May. 13 Tu 18:20 18:50 --- --- facility open 18:50 06:10 X 999 Engineering TBD ACB ASM May. 14 We 06:10 06:20 --- --- facility close May. 14 We 18:20 18:50 --- --- facility open 18:50 06:10 X 999 Engineering TBD ACB ASM May. 15 Th 06:10 06:20 --- --- facility close May. 15 Th 18:20 18:50 --- --- facility open 18:50 06:10 X 999 Engineering TBD ACB ASM May. 16 Fr 06:10 06:20 --- --- facility close May. 16 Fr 18:20 18:50 --- --- facility open 18:50 22:10 X 997 Open Time TBD ACB 22:10 01:55 X 026 Abraham SpeX MSC May. 17 Sa 01:55 06:10 X 079 De SpeX JTR 06:10 06:20 --- --- facility close May. 17 Sa 18:20 18:50 --- --- facility open 18:50 00:40 X 073 Hinkle SpeX/MORIS ACB May. 18 Su 00:40 06:10 X 015 Rackham SpeX JTR 06:10 06:20 --- --- facility close May. 18 Su 18:20 18:50 --- --- facility open 18:50 21:30 X 088 Li SpeX JTR 21:30 04:00 X 020 Lucas SpeX/MORIS JTR May. 19 Mo 04:00 06:10 X 033 Bennert SpeX MSC service 06:10 06:20 --- --- facility close May. 19 Mo 18:20 18:50 --- --- facility open 18:50 20:35 X 025 Landt SpeX ACB 20:35 02:00 X 066 Howell SpeX JTR May. 20 Tu 02:00 06:10 X 079 De SpeX JTR 06:10 06:20 --- --- facility close May. 20 Tu 18:20 18:50 --- --- facility open 18:50 21:55 X 999 Engineering TBD ACB 21:55 01:40 X 026 Abraham SpeX MSC May. 21 We 01:40 03:10 X 997 Open Time TBD ACB 03:10 06:10 X 033 Bennert SpeX MSC service 06:10 06:20 --- --- facility close May. 21 We 18:20 18:50 --- --- facility open 18:50 22:00 X 999 Engineering TBD ACB 22:00 04:00 X 063 Lu iSHELL ACB May. 22 Th 04:00 06:10 X 997 Open Time TBD ACB 06:10 06:20 --- --- facility close May. 22 Th 18:20 18:50 --- --- facility open 18:50 21:00 X 053 LeBaron SpeX MSC 21:00 02:00 X 050 Medler SpeX ACB May. 23 Fr 02:00 02:30 --- --- inst. change 02:30 06:10 X 078 DeWitt iSHELL ACB 06:10 06:20 --- --- facility close May. 23 Fr 18:20 18:50 --- --- facility open 18:50 23:00 X 999 Engineering TBD ACB 23:00 06:10 X 001 Sitko SpeX JTR May. 24 Sa 06:10 06:20 --- --- facility close May. 24 Sa 18:20 18:50 --- --- facility open 18:50 20:30 X 025 Landt SpeX ACB 20:30 01:30 X 066 Howell SpeX JTR May. 25 Su 01:30 06:10 X 074 Emerson SpeX ACB 06:10 06:20 --- --- facility close May. 25 Su 18:20 18:50 --- --- facility open 18:50 00:30 X 087 Pazhayath Ravi SpeX/MORIS ACB May. 26 Mo 00:30 06:10 X 065 Hoogendam SpeX/MORIS ACB 06:10 06:20 --- --- facility close May. 26 Mo 18:20 18:50 --- --- facility open 18:50 06:10 X 008 Reddy SpeX/MORIS/`Opihi ACB May. 27 Tu 06:10 06:20 --- --- facility close May. 27 Tu 18:20 18:50 --- --- facility open 18:50 06:10 X 056 Thomas SpeX/MORIS JTR May. 28 We 06:10 06:20 --- --- facility close May. 28 We 14:30 15:00 --- --- facility open 15:00 15:30 --- --- inst. change 15:30 18:20 X 009 Faggi iSHELL MSC 18:20 20:00 X 009 Faggi iSHELL MSC 20:00 06:10 X 067 Chojnowski iSHELL ACB May. 29 Th 06:10 06:20 --- --- facility close 10:00 16:00 --- --- inst. change May. 29 Th 18:20 18:50 --- --- facility open 18:50 00:20 X 066 Howell SpeX JTR May. 30 Fr 00:20 06:10 X 079 De SpeX JTR 06:10 06:20 --- --- facility close May. 30 Fr 18:20 18:50 --- --- facility open 18:50 20:20 X 025 Landt SpeX ACB 20:20 23:00 X 997 Open Time TBD ACB 23:00 02:00 X 057 Avdellidou SpeX/MORIS MSC May. 31 Sa 02:00 03:10 X 001 Sitko SpeX JTR 03:10 06:10 X 033 Bennert SpeX MSC service 06:10 06:20 --- --- facility close May. 31 Sa 18:20 18:50 --- --- facility open 18:50 01:20 X 012 McGraw SpeX/MORIS ACB Observer List 001 Michael Sitko, Ray Russell, Monika Pikhartova 003 Tianyu Tu, Yang Chen 004 Lucas McClure, Joshua Emery 008 Vishnu Reddy, Juan Sanchez, Adam Battle, David Cantillo, Miren Miranda 009 Sara Faggi, Shohei Aoki, Giuliano Liuzzi, Geronimo Villanueva, Hideo Sagawa, Ann-Carine Vandaele, Frank Daerden 010 Swayamtrupta Panda, Mary Loli Martinez Aldama, Yan-Rong Li, Anahis de la Barra 012 Lauren McGraw, Cristina Thomas, Josh Emery, Andy Rivkin 015 Benjamin Rackham, Adam Burgasser, Christopher Theissen 020 Michael Lucas, Richard Cartwright, Joshua Emery, Audrey Martin, Bryan Holler 023 Glenn Orton, Joseph Hora, James Sinclair, Thomas Momary, Leigh Fletcher, Shawn Brueshaber, Jake Harkett, Arrate Antunano, Thomas Greathouse 025 Hermine Landt, Rick Edelson, Raj Prince, Francesco Saturni, Mike Brotherton, Juan Hernandez-Santisteban, Keith Horne 026 Peter Abraham, Agnes Kospal, Jozsef Varga, Lei Chen, Foteini Lykou 027 Robert Szakats, Csaba Kiss 030 Andy Lopez-Oquendo, Joseph Hora, David Trilling 033 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, Nico Winkel 037 Kristin Brady, Catherine Pilachowski 046 Carl Melis 049 Kadin Worthen, Christine Chen, Cicero Lu, Isabel Rebollido 050 Kyle Medler, Chris Ashall, Cameron Pfeffer 053 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, Wen-fai Fong, Regis Cartier, Silvia Piranomonte, Andrea Melandri, Jennifer Andrews, Manisha Shrestha, David Radice, Katie Auchettl, Charlie Kilpatrick, Brian Metzger, Anirudh Patel, Shreya Anand, Luca Izzo 054 Kate Roberts, Luke Moore, Henrik Melin, James O'Donoghue, Tom Stallard, Katie Knowles, Paola Tiranti 055 Glenn Orton, Thomas Momary, Kevin Baines, Emma Dahl, Kennedi White, Shawn Brueshaber, James Sinclair, Leigh Fletcher, Arrate Antunano, Alessandro Mura, Davide Grassi 056 Cristina Thomas, John Rayner, Francesca DeMeo, Lauren McGraw, Michael Marsset, Andy Rivkin, Joshua Emery, David Polishook, Brian Burt, Richard P. Binzel, Nicholas Moskovitz 057 Chysa Avdellidou, Ullas Bhat, Marco Delbo, Kevin Walsh, Sunao Hasegawa 058 Chansey Champagne, Cristina Thomas, Joshua Emery 059 Aidan Madden-Watson, Oriel Humes, Cristina Thomas 063 Cicero Lu, Emily Deibert, Jiayin Dong, Megan Weiner Mansfield 065 Willem Hoogendam, Ben Shappee, Katie Auchettl, Jennifer Shi, Chris Ashall, Kyle Medler, David Jones 066 Ellen Howell, Ronald Vervack, Yanga Fernandez, Samuel Myers, Mary Hinkle, Sean Marshall 067 Stephen Chojnowski, Pamela Marcum, Steve Howell 071 Pedro Machado, Diogo Quirino, Rafael Silva, Joao Dias, Joao Duarte, Ricardo Trigo, Mattias Green, Francisco Brasil, Jose Ribeiro, Daniela Espadinha. 073 Jason Hinkle, Benjamin Shappee 074 Kenji Emerson, Adwin Boogert 078 Curtis DeWitt, Adwin Boogert, Jialu Li, Marta De Simone, Eleonora Bianchi 079 Kishalay De 086 Carlos Contreras Pena, Jeong-Eun Lee, Hyunwook Jeon 087 Aravind Pazhayath Ravi, Samaporn Tinyanont, Jeonghee Rho, Ryan Foley, Seong Hyun Park, Stefano Valenti, Manisha Shrestha, Charlie Kilpatrick, David Sand, Jennifer Andrews, Bostroem K. Azalee, Yize Dong, Emily Hoang, Nicolas Meza Retamal, Darshana Mehta, Kirsty Taggart, Jens Hjorth, Christa Gall, Gautham Narayan, Alexander Gagliano, Saurabh Jha, Lindsey Kwok 088 Alexis Li, Christine Chen, Carey Lisse, Michael Sitko, Beth Sargent, Kadin Worthen, Cicero Lu, Greg Sloan. JUNE 2025 HST Date HST Time TO Remote Prog & PI Instr SA Comments Jun. 1 Su 01:20 06:10 X 074 Emerson SpeX ACB 06:10 06:20 --- --- facility close Jun. 1 Su 18:20 18:50 --- --- facility open 18:50 21:20 X 062 Pozniak SpeX MSC 21:20 23:20 X 997 Open Time TBD ACB 23:20 06:10 X 074 Emerson SpeX ACB Jun. 2 Mo 06:10 06:20 --- --- facility close Jun. 2 Mo 18:20 18:50 --- --- facility open 18:50 23:10 X 999 Engineering TBD ACB 23:10 06:10 X 074 Emerson SpeX ACB Jun. 3 Tu 06:10 06:20 --- --- facility close Jun. 3 Tu 18:20 18:50 --- --- facility open 18:50 01:40 X 999 Engineering TBD ACB Jun. 4 We 01:40 03:40 X 001 Sitko SpeX JTR 03:40 06:10 X 053 LeBaron SpeX MSC 06:10 06:20 --- --- facility close Jun. 4 We 18:20 18:50 --- --- facility open 18:50 22:50 X 066 Howell SpeX JTR 22:50 06:10 X 077 Chu SpeX ACB Jun. 5 Th 06:10 06:20 --- --- facility close Jun. 5 Th 18:20 18:50 --- --- facility open 18:50 06:10 X 036 Hardegree-Ullman SpeX MSC Jun. 6 Fr 06:10 06:20 --- --- facility close Jun. 6 Fr 18:20 18:50 --- --- facility open 18:50 01:10 X 010 Panda SpeX MSC Jun. 7 Sa 01:10 01:40 --- --- inst. change 01:40 06:10 X 078 DeWitt iSHELL ACB 06:10 06:20 --- --- facility close Jun. 7 Sa 18:20 18:50 --- --- facility open 18:50 19:20 --- --- inst. change 19:20 00:10 X 087 Pazhayath Ravi SpeX/MORIS ACB Jun. 8 Su 00:10 06:10 X 075 Bolin SpeX/MORIS MSC 06:10 06:20 --- --- facility close Jun. 8 Su 15:00 15:30 --- --- facility open 15:30 16:00 --- --- inst. change 16:00 20:00 X 009 Faggi iSHELL MSC Daylight Obs 20:00 23:55 X 997 Open Time TBD ACB 23:55 03:10 X 048 Siwak SpeX MSC Jun. 9 Mo 03:10 06:10 X 033 Bennert SpeX MSC service 06:10 06:20 --- --- facility close Jun. 9 Mo 18:20 18:50 --- --- facility open 18:50 20:20 X 025 Landt SpeX ACB 20:20 22:30 X 053 LeBaron SpeX MSC 22:30 01:30 X 059 Madden-Watson SpeX/MORIS JTR Jun. 10 Tu 01:30 06:10 X 052 Holler SpeX JTR 06:10 06:20 --- --- facility close Jun. 10 Tu 18:20 18:50 --- --- facility open 18:50 23:50 X 005 Hsu SpeX JTR 23:50 01:30 X 001 Sitko SpeX JTR Jun. 11 We 01:30 06:00 X 052 Holler SpeX JTR 06:00 06:30 --- --- inst. change 06:30 13:00 X 022 Encrenaz TEXES ACB Daylight Obs 13:00 17:30 X 045 Aoki TEXES ACB Daylight Obs 17:30 18:00 --- --- inst. change 18:00 18:10 --- --- facility close Jun. 11 We 18:20 18:50 --- --- facility open 18:50 23:00 X 997 Open Time TBD ACB 23:00 00:30 X 043 Fernandez-Valenzuela MORIS MSC occultation Jun. 12 Th 00:30 06:00 X 052 Holler SpeX JTR 06:00 06:30 --- --- inst. change 06:30 13:00 X 022 Encrenaz TEXES ACB Daylight Obs 13:00 17:30 X 045 Aoki TEXES ACB Daylight Obs 17:30 18:00 --- --- inst. change 18:00 18:10 --- --- facility close Jun. 12 Th 18:20 18:50 --- --- facility open 18:50 20:25 X 999 Engineering TBD ACB 20:25 00:10 X 026 Abraham SpeX MSC Jun. 13 Fr 00:10 04:30 X 052 Holler SpeX JTR 04:30 05:00 --- --- inst. change 05:00 06:20 X 022 Encrenaz TEXES ACB 06:20 14:00 X 022 Encrenaz TEXES ACB Daylight Obs 14:00 14:30 --- --- inst. change 14:30 14:40 --- --- facility close Jun. 13 Fr 18:20 18:50 --- --- facility open 18:50 20:25 X 997 Open Time TBD ACB 20:25 00:10 X 026 Abraham SpeX MSC Jun. 14 Sa 00:10 04:30 X 052 Holler SpeX JTR 04:30 05:00 --- --- inst. change 05:00 06:20 X 022 Encrenaz TEXES ACB 06:20 14:00 X 022 Encrenaz TEXES ACB Daylight Obs 14:00 14:30 --- --- inst. change 14:30 14:40 --- --- facility close Jun. 14 Sa 18:20 18:50 --- --- facility open 18:50 22:00 X 997 Open Time TBD ACB 22:00 01:30 X 086 Contreras Pena SpeX MSC Jun. 15 Su 01:30 04:30 X 052 Holler SpeX JTR 04:30 05:00 --- --- inst. change 05:00 06:20 X 022 Encrenaz TEXES ACB 06:20 14:00 X 022 Encrenaz TEXES ACB Daylight Obs 14:00 14:30 --- --- inst. change 14:30 14:40 --- --- facility close Jun. 15 Su 18:20 18:50 --- --- facility open 18:50 00:05 X 046 Melis MIRSI/MOC MSC Jun. 16 Mo 00:05 03:05 X 030 Lopez-Oquendo MIRSI/MOC/`Opihi MSC 03:05 06:10 X 997 Open Time TBD ACB 06:10 06:20 --- --- facility close Jun. 16 Mo 18:20 18:50 --- --- facility open 18:50 02:10 X 999 Engineering TBD ACB Jun. 17 Tu 02:10 06:10 X 037 Brady iSHELL ACB 06:10 06:20 --- --- facility close 10:00 16:00 --- --- inst. change Jun. 17 Tu 18:20 18:50 --- --- facility open 18:50 20:20 X 025 Landt SpeX ACB 20:20 22:30 X 997 Open Time TBD ACB 22:30 02:00 X 059 Madden-Watson SpeX/MORIS JTR Jun. 18 We 02:00 06:10 X 079 De SpeX JTR 06:10 06:20 --- --- facility close Jun. 18 We 18:20 18:50 --- --- facility open 18:50 00:40 X 050 Medler SpeX ACB Jun. 19 Th 00:40 06:10 X 015 Rackham SpeX JTR 06:10 06:20 --- --- facility close Jun. 19 Th 18:20 18:50 --- --- facility open 18:50 21:40 X 062 Pozniak SpeX MSC 21:40 03:10 X 074 Emerson SpeX ACB Jun. 20 Fr 03:10 06:10 X 033 Bennert SpeX MSC service 06:10 06:20 --- --- facility close Jun. 20 Fr 18:20 18:50 --- --- facility open 18:50 20:20 X 025 Landt SpeX ACB 20:20 23:10 X 026 Abraham SpeX MSC 23:10 00:10 X 001 Sitko SpeX JTR Jun. 21 Sa 00:10 06:10 X 073 Hinkle SpeX/MORIS ACB 06:10 06:20 --- --- facility close Jun. 21 Sa 18:20 18:50 --- --- facility open 18:50 06:10 X 060 Hyseni SpeX ACB Jun. 22 Su 06:10 06:20 --- --- facility close Jun. 22 Su 14:00 14:30 --- --- facility open 14:30 15:00 --- --- inst. change 15:00 19:00 X 009 Faggi iSHELL MSC 19:00 19:30 --- --- inst. change 19:30 06:10 X 016 Marsset SpeX/MORIS MSC Jun. 23 Mo 06:10 06:20 --- --- facility close Jun. 23 Mo 18:20 18:50 --- --- facility open 18:50 00:30 X 065 Hoogendam SpeX/MORIS ACB Jun. 24 Tu 00:30 06:10 X 087 Pazhayath Ravi SpeX/MORIS ACB 06:10 06:20 --- --- facility close Jun. 24 Tu 18:20 18:50 --- --- facility open 18:50 22:00 X 997 Open Time TBD ACB 22:00 01:00 X 030 Lopez-Oquendo MIRSI/MOC/`Opihi MSC Jun. 25 We 01:00 01:30 --- --- inst. change 01:30 06:10 X 079 De SpeX JTR 06:10 06:20 --- --- facility close Jun. 25 We 18:20 18:50 --- --- facility open 18:50 06:10 X 008 Reddy SpeX/MORIS/`Opihi ACB Jun. 26 Th 06:10 06:20 --- --- facility close Jun. 26 Th 18:20 18:50 --- --- facility open 18:50 06:10 X 056 Thomas SpeX/MORIS JTR Jun. 27 Fr 06:10 06:20 --- --- facility close Jun. 27 Fr 18:20 18:50 --- --- facility open 18:50 20:50 X 025 Landt SpeX ACB 20:50 06:10 X 074 Emerson SpeX ACB Jun. 28 Sa 06:10 06:20 --- --- facility close Jun. 28 Sa 18:20 18:50 --- --- facility open 18:50 20:50 X 997 Open Time TBD ACB 20:50 06:10 X 074 Emerson SpeX ACB Jun. 29 Su 06:10 06:20 --- --- facility close Jun. 29 Su 18:20 18:50 --- --- facility open 18:50 21:10 X 997 Open Time TBD ACB 21:10 06:10 X 079 De SpeX JTR Jun. 30 Mo 06:10 06:20 --- --- facility close 10:00 16:00 --- --- inst. change Jun. 30 Mo 18:20 18:50 --- --- facility open 18:50 22:00 X 030 Lopez-Oquendo MIRSI/MOC/`Opihi MSC 22:00 01:00 X 046 Melis MIRSI/MOC MSC Observer List 001 Michael Sitko, Ray Russell, Monika Pikhartova 005 Chih-Chun Hsu, Christopher Theissen, Adam Burgasser, Roman Gerasimov, Christian Aganze 008 Vishnu Reddy, Juan Sanchez, Adam Battle, David Cantillo, Miren Miranda 009 Sara Faggi, Shohei Aoki, Giuliano Liuzzi, Geronimo Villanueva, Hideo Sagawa, Ann-Carine Vandaele, Frank Daerden 010 Swayamtrupta Panda, Mary Loli Martinez Aldama, Yan-Rong Li, Anahis de la Barra 015 Benjamin Rackham, Adam Burgasser, Christopher Theissen 016 Michael Marsset, Pierre Vernazza, Miroslav Broz, Max Mahlke, Chrysa Avdellidou, Francesca DeMeo, Richard Binzel, Cristina Thomas, Benoit Carry, Kate Minker, Brian Burt, David Polishook, Josef Hanus, Mirel Birlan, Bin Yang, Christophe Dumas, Sunao Hasegawa, Emmanuel Jehin, Francois Colas, Matthias Meier, Pierre Beck 022 Therese Encrenaz, Thomas Greathouse, Rohini Giles, Hideo Sagawa, Tatsuro Iwanaka, Thomas Widemann, Bruno Bezard, Francl Lefevre, Maxence Lefevre, Wencheng Shao, Emmanuel Marcq 025 Hermine Landt, Rick Edelson, Raj Prince, Francesco Saturni, Mike Brotherton, Juan Hernandez-Santisteban, Keith Horne 026 Peter Abraham, Agnes Kospal, Jozsef Varga, Lei Chen, Foteini Lykou 030 Andy Lopez-Oquendo, Joseph Hora, David Trilling 033 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, Nico Winkel 036 Kevin Hardegree-Ullman, Shubham Kanodia, Caleb Canas 037 Kristin Brady, Catherine Pilachowski 043 Estela Fernandez-Valenzuela, Ben Proudfoot, Bryan Holler, Flavia Rommel, Cameron Collyer, Xavier Inonsencio 045 Shohei Aoki, Thomas Greathouse, Frank Daerden, Hideo Sagawa, Therese Encrenaz, Juan Alday, Tatsuro Iwanaka, Rohini Giles 046 Carl Melis 048 Michal Siwak, Agnes Kospal, Miguel Vioque, Fernando Cruz-Saenz de Miera, Peter Abraham, Eleonora Fiorellino, T. Giannini, Zsofia Nagy, Maria Kun, Mate Szilagyi, Zsofia Marianna Szabo, S. Hodgkin, Alvaro Ribas 050 Kyle Medler, Chris Ashall, Cameron Pfeffer 052 Bryan Holler, Leslie Young, Will Grundy, Silvia Protopapa 053 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, Wen-fai Fong, Regis Cartier, Silvia Piranomonte, Andrea Melandri, Jennifer Andrews, Manisha Shrestha, David Radice, Katie Auchettl, Charlie Kilpatrick, Brian Metzger, Anirudh Patel, Shreya Anand, Luca Izzo 056 Cristina Thomas, John Rayner, Francesca DeMeo, Lauren McGraw, Michael Marsset, Andy Rivkin, Joshua Emery, David Polishook, Brian Burt, Richard P. Binzel, Nicholas Moskovitz 059 Aidan Madden-Watson, Oriel Humes, Cristina Thomas 060 Pranvera Hyseni, Andrew Rivkin, Myriam Telus 062 Patrycja Pozniak, Dagmara Oszkiewicz 065 Willem Hoogendam, Ben Shappee, Katie Auchettl, Jennifer Shi, Chris Ashall, Kyle Medler, David Jones 066 Ellen Howell, Ronald Vervack, Yanga Fernandez, Samuel Myers, Mary Hinkle, Sean Marshall 073 Jason Hinkle, Benjamin Shappee 074 Kenji Emerson, Adwin Boogert 075 Bryce Bolin, Chrysa Avdellidou, Marco Delbo, Laura-May Abron, Greg Engh, Casey Lisse, Keith Noll, Alessandro Morbidelli 077 Laurie Chu, Roberta Paladini, Tracy Huard, Adwin Boogert 078 Curtis DeWitt, Adwin Boogert, Jialu Li, Marta De Simone, Eleonora Bianchi 079 Kishalay De 086 Carlos Contreras Pena, Jeong-Eun Lee, Hyunwook Jeon 087 Aravind Pazhayath Ravi, Samaporn Tinyanont, Jeonghee Rho, Ryan Foley, Seong Hyun Park, Stefano Valenti, Manisha Shrestha, Charlie Kilpatrick, David Sand, Jennifer Andrews, Bostroem K. Azalee, Yize Dong, Emily Hoang, Nicolas Meza Retamal, Darshana Mehta, Kirsty Taggart, Jens Hjorth, Christa Gall, Gautham Narayan, Alexander Gagliano, Saurabh Jha, Lindsey Kwok JULY 2025 HST Date HST Time TO Remote Prog & PI Instr SA Comments Jul. 1 Tu 01:00 01:30 --- --- inst. change 01:30 02:45 X 001 Sitko SpeX JTR 02:45 06:10 X 033 Bennert SpeX MSC service 06:10 06:20 --- --- facility close Jul. 1 Tu 18:25 18:55 --- --- facility open 18:55 20:25 X 025 Landt SpeX ACB 20:25 21:30 X 053 LeBaron SpeX MSC 21:30 06:15 X 048 Siwak SpeX MSC Jul. 2 We 06:15 06:25 --- --- facility close Jul. 2 We 18:25 18:55 --- --- facility open 18:55 06:15 X 004 McClure SpeX/MORIS MSC Jul. 3 Th 06:15 06:25 --- --- facility close Jul. 3 Th 18:25 18:55 --- --- facility open 18:55 06:15 X 004 McClure SpeX/MORIS MSC Jul. 4 Fr 06:15 06:25 --- --- facility close Jul. 4 Fr 18:25 18:55 --- --- facility open 18:55 06:15 X 048 Siwak SpeX MSC Jul. 5 Sa 06:15 06:25 --- --- facility close Jul. 5 Sa 18:25 18:55 --- --- facility open 18:55 00:15 X 050 Medler SpeX ACB Jul. 6 Su 00:15 06:15 X 073 Hinkle SpeX/MORIS ACB 06:15 06:25 --- --- facility close Jul. 6 Su 18:25 18:55 --- --- facility open 18:55 01:25 X 086 Contreras Pena SpeX MSC Jul. 7 Mo 01:25 06:15 X 065 Hoogendam SpeX/MORIS ACB 06:15 06:25 --- --- facility close Jul. 7 Mo 18:25 18:55 --- --- facility open 18:55 21:45 X 999 Engineering TBD ACB 21:45 22:45 X 001 Sitko SpeX JTR 22:45 06:15 X 081 Frothingham SpeX JTR First Night Jul. 8 Tu 06:15 06:25 --- --- facility close Jul. 8 Tu 18:25 18:55 --- --- facility open 18:55 22:30 X 999 Engineering TBD ACB 22:30 23:00 --- --- inst. change 23:00 02:00 X 030 Lopez-Oquendo MIRSI/MOC/`Opihi MSC Jul. 9 We 02:00 02:30 --- --- inst. change 02:30 06:15 X 033 Bennert SpeX MSC service 06:15 06:25 --- --- facility close Jul. 9 We 18:25 18:55 --- --- facility open 18:55 20:25 X 025 Landt SpeX ACB 20:25 00:15 X 079 De SpeX JTR Jul. 10 Th 00:15 03:15 X 066 Howell SpeX JTR 03:15 06:15 X 997 Open Time TBD ACB 06:15 06:25 --- --- facility close Jul. 10 Th 13:00 13:30 --- --- facility open 13:30 14:00 --- --- inst. change 14:00 18:25 X 009 Faggi iSHELL MSC Daylight Obs 18:25 21:00 X 009 Faggi iSHELL MSC 21:00 06:15 X 067 Chojnowski iSHELL ACB Jul. 11 Fr 06:15 06:25 --- --- facility close Jul. 11 Fr 13:30 14:00 --- --- facility open 14:00 18:25 X 009 Faggi iSHELL MSC Daylight Obs 18:25 21:00 X 009 Faggi iSHELL MSC 21:00 04:00 X 007 Tu iSHELL ACB Jul. 12 Sa 04:00 06:15 X 997 Open Time TBD ACB 06:15 06:25 --- --- facility close Jul. 12 Sa 13:00 13:30 --- --- facility open 13:30 14:00 --- --- inst. change 14:00 18:25 X 009 Faggi iSHELL MSC Daylight Obs 18:25 21:00 X 009 Faggi iSHELL MSC 21:00 04:00 X 007 Tu iSHELL ACB Jul. 13 Su 04:00 06:15 X 997 Open Time TBD ACB 06:15 06:25 --- --- facility close Jul. 13 Su 18:25 18:55 --- --- facility open 18:55 21:15 X 997 Open Time TBD ACB 21:15 22:15 X 001 Sitko SpeX JTR 22:15 01:30 X 074 Emerson SpeX ACB Jul. 14 Mo 01:30 02:00 --- --- inst. change 02:00 06:15 X 030 Lopez-Oquendo MIRSI/MOC/`Opihi MSC 06:15 06:25 --- --- facility close Jul. 14 Mo 18:25 18:55 --- --- facility open 18:55 06:15 X 999 Engineering TBD ACB ASM Jul. 15 Tu 06:15 06:25 --- --- facility close Jul. 15 Tu 18:25 18:55 --- --- facility open 18:55 06:15 X 999 Engineering TBD ACB ASM Jul. 16 We 06:15 06:25 --- --- facility close Jul. 16 We 18:25 18:55 --- --- facility open 18:55 06:15 X 999 Engineering TBD ACB ASM Jul. 17 Th 06:15 06:25 --- --- facility close Jul. 17 Th 18:25 18:55 --- --- facility open 18:55 06:15 X 999 Engineering TBD ACB ASM Jul. 18 Fr 06:15 06:25 --- --- facility close Jul. 18 Fr 18:25 18:55 --- --- facility open 18:55 22:50 X 999 Engineering TBD ACB 22:50 02:30 X 033 Bennert SpeX MSC service Jul. 19 Sa 02:30 06:15 X 066 Howell SpeX JTR 06:15 06:25 --- --- facility close Jul. 19 Sa 18:25 18:55 --- --- facility open 18:55 20:55 X 025 Landt SpeX ACB 20:55 02:00 X 059 Madden-Watson SpeX/MORIS JTR Jul. 20 Su 02:00 04:30 X 033 Bennert SpeX MSC service 04:30 06:15 X 997 Open Time TBD ACB 06:15 06:25 --- --- facility close Jul. 20 Su 18:25 18:55 --- --- facility open 18:55 00:45 X 073 Hinkle SpeX/MORIS ACB Jul. 21 Mo 00:45 06:15 X 015 Rackham SpeX JTR 06:15 06:25 --- --- facility close Jul. 21 Mo 18:25 18:55 --- --- facility open 18:55 00:25 X 050 Medler SpeX ACB Jul. 22 Tu 00:25 06:15 X 081 Frothingham SpeX JTR 06:15 06:25 --- --- facility close Jul. 22 Tu 18:25 18:55 --- --- facility open 18:55 00:35 X 087 Pazhayath Ravi SpeX/MORIS ACB Jul. 23 We 00:35 06:15 X 065 Hoogendam SpeX/MORIS ACB 06:15 06:25 --- --- facility close Jul. 23 We 18:25 18:55 --- --- facility open 18:55 22:45 X 999 Engineering TBD ACB 22:45 23:15 --- --- inst. change 23:15 06:15 X 046 Melis MIRSI/MOC MSC Jul. 24 Th 06:15 06:25 --- --- facility close 10:00 16:00 --- --- inst. change Jul. 24 Th 18:25 18:55 --- --- facility open 18:55 06:15 X 056 Thomas SpeX/MORIS JTR Jul. 25 Fr 06:15 06:25 --- --- facility close Jul. 25 Fr 18:25 18:55 --- --- facility open 18:55 02:30 X 006 Theissen SpeX JTR Jul. 26 Sa 02:30 06:15 X 066 Howell SpeX JTR 06:15 06:25 --- --- facility close Jul. 26 Sa 18:25 18:55 --- --- facility open 18:55 06:15 X 008 Reddy SpeX/MORIS/`Opihi ACB Jul. 27 Su 06:15 06:25 --- --- facility close Jul. 27 Su 18:25 18:55 --- --- facility open 18:55 02:25 X 003 Tu SpeX ACB Jul. 28 Mo 02:25 06:15 X 056 Thomas SpeX/MORIS JTR 06:15 06:25 --- --- facility close Jul. 28 Mo 11:35 12:05 --- --- facility open 12:05 19:05 X 009 Faggi iSHELL MSC Daylight Obs 19:05 19:35 --- --- inst. change 19:35 02:35 X 003 Tu SpeX ACB Jul. 29 Tu 02:35 06:15 X 081 Frothingham SpeX JTR 06:15 06:25 --- --- facility close Jul. 29 Tu 18:25 18:55 --- --- facility open 18:55 21:00 X 025 Landt SpeX ACB 21:00 23:30 X 033 Bennert SpeX MSC service 23:30 03:30 X 057 Avdellidou SpeX/MORIS MSC Jul. 30 We 03:30 06:15 X 997 Open Time TBD ACB 06:15 06:25 --- --- facility close Jul. 30 We 18:25 18:55 --- --- facility open 18:55 01:55 X 003 Tu SpeX ACB Jul. 31 Th 01:55 02:55 X 053 LeBaron SpeX MSC 02:55 06:15 X 997 Open Time TBD ACB 06:15 06:25 --- --- facility close Jul. 31 Th 18:25 18:55 --- --- facility open 18:55 00:45 X 074 Emerson SpeX ACB Observer List 001 Michael Sitko, Ray Russell, Monika Pikhartova 003 Tianyu Tu, Yang Chen 004 Lucas McClure, Joshua Emery 006 Christopher Theissen, Daniella Bardalez Gagliuffi, Elisabeth Newton, Adam Burgasser, Sarah Jiang, Jackie Faherty, Eileen Gonzales, Andrew Mann, Christian Aganze, Dino Hsu 007 Tianyu Tu, Yang Chen 008 Vishnu Reddy, Juan Sanchez, Adam Battle, David Cantillo, Miren Miranda 009 Sara Faggi, Shohei Aoki, Giuliano Liuzzi, Geronimo Villanueva, Hideo Sagawa, Ann-Carine Vandaele, Frank Daerden 015 Benjamin Rackham, Adam Burgasser, Christopher Theissen 025 Hermine Landt, Rick Edelson, Raj Prince, Francesco Saturni, Mike Brotherton, Juan Hernandez-Santisteban, Keith Horne 030 Andy Lopez-Oquendo, Joseph Hora, David Trilling 033 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, Nico Winkel 046 Carl Melis 048 Michal Siwak, Agnes Kospal, Miguel Vioque, Fernando Cruz-Saenz de Miera, Peter Abraham, Eleonora Fiorellino, T. Giannini, Zsofia Nagy, Maria Kun, Mate Szilagyi, Zsofia Marianna Szabo, S. Hodgkin, Alvaro Ribas 050 Kyle Medler, Chris Ashall, Cameron Pfeffer 053 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, Wen-fai Fong, Regis Cartier, Silvia Piranomonte, Andrea Melandri, Jennifer Andrews, Manisha Shrestha, David Radice, Katie Auchettl, Charlie Kilpatrick, Brian Metzger, Anirudh Patel, Shreya Anand, Luca Izzo 056 Cristina Thomas, John Rayner, Francesca DeMeo, Lauren McGraw, Michael Marsset, Andy Rivkin, Joshua Emery, David Polishook, Brian Burt, Richard P. Binzel, Nicholas Moskovitz 057 Chysa Avdellidou, Ullas Bhat, Marco Delbo, Kevin Walsh, Sunao Hasegawa 059 Aidan Madden-Watson, Oriel Humes, Cristina Thomas 065 Willem Hoogendam, Ben Shappee, Katie Auchettl, Jennifer Shi, Chris Ashall, Kyle Medler, David Jones 066 Ellen Howell, Ronald Vervack, Yanga Fernandez, Samuel Myers, Mary Hinkle, Sean Marshall 067 Stephen Chojnowski, Pamela Marcum, Steve Howell 073 Jason Hinkle, Benjamin Shappee 074 Kenji Emerson, Adwin Boogert 079 Kishalay De 081 David Frothingham, Ryan Norris, Michelle Creech-Eakman 086 Carlos Contreras Pena, Jeong-Eun Lee, Hyunwook Jeon 087 Aravind Pazhayath Ravi, Samaporn Tinyanont, Jeonghee Rho, Ryan Foley, Seong Hyun Park, Stefano Valenti, Manisha Shrestha, Charlie Kilpatrick, David Sand, Jennifer Andrews, Bostroem K. Azalee, Yize Dong, Emily Hoang, Nicolas Meza Retamal, Darshana Mehta, Kirsty Taggart, Jens Hjorth, Christa Gall, Gautham Narayan, Alexander Gagliano, Saurabh Jha, Lindsey Kwok AUGUST 2025 HST Date HST Time TO Remote Prog & PI Instr SA Comments Aug. 1 Fr 00:45 06:15 X 032 Harish SpeX ACB 06:15 06:25 --- --- facility close Observer List 032 . Harish, Joshua Emery, Paul Hayne, Kya Sorli 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 THJ = Tom Jarrett JTR = John Rayner