| Earlier reports | Convert Day of Year | 
Daily Report #10663
Period Covered:
08:00 PM September 22, 2025 - 07:59 PM September 23, 2025
(DOY 266/0000z - 266/2359z)
| Program | Principal Investigator | Program Title | 
|---|---|---|
| Science Observations Scheduled | ||
| 17435 | Davide Massari, INAF - Osservatorio di Astrofisica e Scienza dello Spazio | The Hubble Missing Globular Clusters Survey | 
| 17718 | Filippo D'Ammando, INAF - Istituto di Radioastronomia | Uncovering the host galaxy and BH mass of a large sample of radio-loud narrow-line Seyfert 1 galaxies | 
| 17752 | Aoife Brennan, Trinity College Dublin | Exploring the Origin of Gas in Debris Disks around A and B-type Stars | 
| 17770 | Daichi Hiramatsu, University of Florida | Unveiling the Progenitors of Interacting Supernovae with Resolved Host Galaxy Imaging in the Rest-Frame UV | 
| 17915 | Adam Riess, The Johns Hopkins University | Completing the HST+Gaia Reference Sample to Optimize the Measurement of the Hubble Constant | 
| 17916 | Tommaso Treu, University of California - Los Angeles | Dark matter, the Hubble tension, and the stellar IMF from HST imaging of quadruply imaged quasars | 
| Calibration Observations Scheduled | ||
| 17631 | Matthew Dallas, Space Telescope Science Institute | STIS CCD Dark Monitor Part 3 | 
| 17633 | Joshua Lothringer, Space Telescope Science Institute | STIS CCD Bias and Read Noise Monitor Part 2 | 
| 17657 | Alyssa Guzman, Space Telescope Science Institute | CCD Hot Pixel Annealing | 
| 17669 | Aidan Pidgeon, Space Telescope Science Institute | WFC3 UVIS CCD Daily Monitor Part 3 | 
| 17688 | Munazza Alam, Space Telescope Science Institute | WFC3 IR Grism Flux/Trace Calibration | 
| 17692 | Frederick Dauphin, Space Telescope Science Institute | WFC3 CSM Monitor with Earth Flats | 
| 17895 | Gagandeep Anand, Space Telescope Science Institute | HST/ACS Observations for Cross-Mission Flux Calibration | 
| 18181 | Debopam Som, Space Telescope Science Institute | COS FUV LP10 Calibration: Lamp Templates |