Earlier reports Convert Day of Year

The Hubble Space Telescope

Unlocking the Secrets of the Universe

Daily Report #10821

Period Covered:
07:00 PM February 27, 2026 - 06:59 PM February 28, 2026
(DOY 059/0000z - 059/2359z)

Program Principal Investigator Program Title
Science Observations Scheduled
17716 Michael McDonald, Massachusetts Institute of Technology Probing Multiphase Cooling Via OVI Emission in the Cores of the Most Extreme Cooling Flows
17746 Andrew Fox, Space Telescope Science Institute - ESA Locating Clouds in the Milky Way's Nuclear Outflow
17777 Kirsty Taggart, University of California - Santa Cruz Confirming the first progenitor candidate of a rare type Ibn supernova
17817 Ming Sun, University of Alabama in Huntsville Tracing a hundred thousand kevin gas in the ram pressure stripped clouds
17844 Michael Gregg, University of California - Davis The Origin of the Virgo Intergalactic Population
18027 Joseph Jensen, Utah Valley University Securing the HST Surface Brightness Fluctuation Legacy with a Robust JWST Calibration
18031 Douglas Gies, Georgia State University Research Foundation Be+sdO binaries with visual orbits
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
18187 Joseph Neilsen, Villanova University A Movie Campaign on M87: Chandra, NuSTAR, Hubble, and the EHT
Calibration Observations Scheduled
17945 Aidan Pidgeon, Space Telescope Science Institute WFC3 UVIS Bowtie Monitor
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
18197 Christian Johnson, Space Telescope Science Institute Cycle 33 FUV Detector Dark Monitor
18202 Leonardo Dos Santos, Space Telescope Science Institute Cycle 33 COS FUV Split-Wavecal Calibration Program