Earlier reports Convert Day of Year

The Hubble Space Telescope

Unlocking the Secrets of the Universe

Daily Report #10816

Period Covered:
07:00 PM February 22, 2026 - 06:59 PM February 23, 2026
(DOY 054/0000z - 054/2359z)

Program Principal Investigator Program Title
Science Observations Scheduled
17713 Pablo Sanchez-Alarcon, Instituto de Astrofisica de Canarias Observing the Merger-induced Formation of a Nuclear Star Cluster in UGC 7346
17776 Sean Terry, University of Maryland A Precursor Survey of the Roman Galactic Bulge Time Domain Fields
17804 R. O. Loyd, Eureka Scientific Inc. STELa: Survey of Transiting Exoplanets in Lyman-alpha
17831 Moire Prescott, New Mexico State University Ionization Echoes of Fading AGN
17840 Andrew Levan, Radboud University Nijmegen Gamma-ray burst supernovae across cosmic time
18034 Alberto Saldana-Lopez, Stockholm University Spatially resolving the conditions for ionizing radiation escape in galaxies
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
18108 Leonardo Dos Santos, Space Telescope Science Institute Beyond hydrogen and helium: an exhaustive survey of escaping metals in ultra-hot Jupiters around bright, hot stars
Calibration Observations Scheduled
17946 Aidan Pidgeon, Space Telescope Science Institute WFC3 UVIS CCD Daily Monitor Part 1
17977 Alyssa Guzman, Space Telescope Science Institute 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
Other Observations Scheduled
15601 David Sahnow, Space Telescope Science Institute COS FUV DCE Memory Dump