Earlier reports Convert Day of Year The Hubble Space Telescope Unlocking the Secrets of the Universe Daily Report #10796 Period Covered: 07:00 PM February 02, 2026 - 06:59 PM February 03, 2026 (DOY 034/0000z - 034/2359z) Program Principal Investigator Program Title Science Observations Scheduled 17520 Louise Breuval, Space Telescope Science Institute - ESA A 1% cross-calibration of Cepheids, TRGB, and JAGB in five nearby galaxies with HST 17702 Simon Gazagnes, University of Texas at Au ...Continue Reading

Earlier reports Convert Day of Year The Hubble Space Telescope Unlocking the Secrets of the Universe Daily Report #10795 Period Covered: 07:00 PM February 01, 2026 - 06:59 PM February 02, 2026 (DOY 033/0000z - 033/2359z) Program Principal Investigator Program Title Science Observations Scheduled 17410 Ryan Foley, University of California - Santa Cruz Reducing Type Ia Supernova Distance Biases by Separating Reddening and Intrinsic Color 17526 Peter Senchyna, Carnegie Institution of Wash ...Continue Reading

Earlier reports Convert Day of Year The Hubble Space Telescope Unlocking the Secrets of the Universe Daily Report #10794 Period Covered: 07:00 PM January 31, 2026 - 06:59 PM February 01, 2026 (DOY 032/0000z - 032/2359z) Program Principal Investigator Program Title Science Observations Scheduled 17491 Grace Telford, University of Utah A Legacy Far-Ultraviolet Spectral Atlas of Extremely Metal-Poor O Stars 17604 Stefanie Fijma, Universiteit van Amsterdam An unbound accretion flow in t ...Continue Reading

Earlier reports Convert Day of Year The Hubble Space Telescope Unlocking the Secrets of the Universe Daily Report #10794 Period Covered: 07:00 PM January 31, 2026 - 06:59 PM February 01, 2026 (DOY 032/0000z - 032/2359z) Program Principal Investigator Program Title Science Observations Scheduled 17491 Grace Telford, University of Utah A Legacy Far-Ultraviolet Spectral Atlas of Extremely Metal-Poor O Stars 17604 Stefanie Fijma, Universiteit van Amsterdam An unbound accretion flow in t ...Continue Reading

Earlier reports Convert Day of Year The Hubble Space Telescope Unlocking the Secrets of the Universe Daily Report #10793 Period Covered: 07:00 PM January 30, 2026 - 06:59 PM January 31, 2026 (DOY 031/0000z - 031/2359z) Program Principal Investigator Program Title Science Observations Scheduled 17438 Maude Gull, Carnegie Institution for Science, Observatories Emission-line stars in the extremely metal-poor dwarf galaxy Sextans A 17491 Grace Telford, University of Utah A Legacy Far-Ul ...Continue Reading

Earlier reports Convert Day of Year The Hubble Space Telescope Unlocking the Secrets of the Universe Daily Report #10792 Period Covered: 07:00 PM January 29, 2026 - 06:59 PM January 30, 2026 (DOY 030/0000z - 030/2359z) Program Principal Investigator Program Title Science Observations Scheduled 17209 Andrew Fox, Space Telescope Science Institute - ESA Circumgalactic Gas on the Outskirts of the Local Group: the Halo of Sextans B 17734 Bart Wakker, Eureka Scientific Inc. A clean view o ...Continue Reading

JWST Observer Latest News STScI Announces the Timeline for the JWST Cycle 6 Call for Proposals The timeline for the Cycle 6 Call for Proposals has been released. The proposal deadline is September 30, 2026. View All JWST Observer News ...Continue Reading

Earlier reports Convert Day of Year The Hubble Space Telescope Unlocking the Secrets of the Universe Daily Report #10791 Period Covered: 07:00 PM January 28, 2026 - 06:59 PM January 29, 2026 (DOY 029/0000z - 029/2359z) Program Principal Investigator Program Title Science Observations Scheduled 17209 Andrew Fox, Space Telescope Science Institute - ESA Circumgalactic Gas on the Outskirts of the Local Group: the Halo of Sextans B 17211 Rongmon Bordoloi, North Carolina State University ...Continue Reading

Earlier reports Convert Day of Year The Hubble Space Telescope Unlocking the Secrets of the Universe Daily Report #10791 Period Covered: 07:00 PM January 28, 2026 - 06:59 PM January 29, 2026 (DOY 029/0000z - 029/2359z) Program Principal Investigator Program Title Science Observations Scheduled 17209 Andrew Fox, Space Telescope Science Institute - ESA Circumgalactic Gas on the Outskirts of the Local Group: the Halo of Sextans B 17211 Rongmon Bordoloi, North Carolina State University ...Continue Reading

Earlier reports Convert Day of Year The Hubble Space Telescope Unlocking the Secrets of the Universe Daily Report #10791 Period Covered: 07:00 PM January 28, 2026 - 06:59 PM January 29, 2026 (DOY 029/0000z - 029/2359z) Program Principal Investigator Program Title Science Observations Scheduled 17209 Andrew Fox, Space Telescope Science Institute - ESA Circumgalactic Gas on the Outskirts of the Local Group: the Halo of Sextans B 17211 Rongmon Bordoloi, North Carolina State University ...Continue Reading