Earlier reports Convert Day of Year

The Hubble Space Telescope

Unlocking the Secrets of the Universe

Daily Report #10819

Period Covered:
07:00 PM February 25, 2026 - 06:59 PM February 26, 2026
(DOY 057/0000z - 057/2359z)

Program Principal Investigator Program Title
Science Observations Scheduled
17519 Igor Chilingarian, Smithsonian Institution Astrophysical Observatory Chasing the tail: measuring a proper motion of the Coma cluster dwarf ram-pressure-stripped galaxy GMP2640 with its extraordinary star cluster population.
17535 Sylvain Veilleux, University of Maryland Dust in Galactic Winds and Fountains: A Near-UV Survey of Nearby Highly Inclined Starburst and Active Disk Galaxies
17702 Simon Gazagnes, University of Texas at Austin Exploring the unexpected interplay between Lyman-alpha and C IV emission using spatially resolved imaging
17723 Roel Lefever, Astronomisches Rechen-Institut Heidelberg The first UV investigation of a massive stripped-envelope core-collapse progenitor at high metallicity: The WO star WR 102
17734 Bart Wakker, Eureka Scientific Inc. A clean view of the CGM for well-characterized galaxies
17761 Floriane Leclercq, Centre de Recherche Astrophysique de Lyon Mg II maps to reveal how ionizing photons escape local LyC emitting galaxies
17904 Hannah Diamond-Lowe, Space Telescope Science Institute Rocky Worlds DDT: HST Observations of GJ 3929
18103 David Thilker, The Johns Hopkins University Anatomy of a fall: Dissecting the environment-driven transformation of late-type Virgo cluster galaxies with HST UV-optical imaging of star clusters, associations, and HII regions
18113 Cian O'Toole, Trinity College Dublin UV Exo-Aurorae: Multi-Wavelength Observations of a Radio Emitting T-dwarf to confirm Auroral Activity in the Ultraviolet.
Calibration Observations Scheduled
17946 Aidan Pidgeon, Space Telescope Science Institute WFC3 UVIS CCD Daily Monitor Part 1
18154 Matthew Dallas, Space Telescope Science Institute STIS CCD Dark Monitor Part 1
18157 Joshua Lothringer, Space Telescope Science Institute STIS CCD Bias and Read Noise Monitor Part 1
18171 Jacqueline Brown, Space Telescope Science Institute STIS NUV MAMA Dark Monitor
Other Observations Scheduled
14472 Merle Reinhart, Space Telescope Science Institute ACS/COS/WFC3 NED History Log Collection
15962 Merle Reinhart, Space Telescope Science Institute Routine EEPROM dumps for ACS, COS, STIS, and WFC3