[HST REPORTS]

[HST REPORTS] HST Daily Report

Fri, 17 Apr 2026 18:34:00 GMT

<table align="center" border="0" cellpadding="0" cellspacing="0" width=100%> <tbody> <tr> <td align="left"><a href="https://innerspace.stsci.edu/display/HSTMO/Previous+HST+Daily+Status+Reports">Earlier reports</a></td> <td align="right"><a href="https://landweb.modaps.eosdis.nasa.gov/browse/calendar.html" target="new">Convert Day of Year</a></td> </tr> </tbody> </table> <h2 align="center">The Hubble Space Telescope</h2> <h3 align="center"><em>Unlocking the Secrets of the Universe</em></h3> <p align="center">Daily Report #10868</p> <p align="center">Period Covered: <br>08:00 PM April 15, 2026 - 07:59 PM April 16, 2026 <br>(DOY 106/0000z - 106/2359z)</p> <table border="1" cellpadding="5" cellspacing="0"> <tbody> <tr> <th>Program</th> <th nowrap>Principal Investigator</th> <th nowrap>Program Title</th> </tr> <tr> <td colspan="3" align="center" style="background-color: #eeeeee"><strong>Science Observations Scheduled</strong></td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/17734.pro">17734</a></td> <td>Bart Wakker, Eureka Scientific Inc.</td> <td>A clean view of the CGM for well-characterized galaxies</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/17831.pro">17831</a></td> <td>Moire Prescott, New Mexico State University</td> <td>Ionization Echoes of Fading AGN</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18025.pro">18025</a></td> <td>Davide Massari, INAF - Osservatorio di Astrofisica e Scienza dello Spazio</td> <td>Last but not least: 13 globular clusters to complete the HST legacy</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18031.pro">18031</a></td> <td>Douglas Gies, Georgia State University Research Foundation</td> <td>Be+sdO binaries with visual orbits</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18061.pro">18061</a></td> <td>Michael Jones, California Institute of Technology</td> <td>Hubble Census of Nearby Satellites</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18065.pro">18065</a></td> <td>Graham Harper, University of Colorado at Boulder</td> <td>Alpha-1 Hercules (M5 Ib-II): Wind Acceleration from an Oxygen-rich AGB star in a Coeval System</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18114.pro">18114</a></td> <td>Gabriele Cugno, Universitat Zurich</td> <td>Unveiling Hidden Protoplanets: Direct Extinction Measurement at Optical Wavelengths in the Planet-Formed Gap of AS209</td> </tr> <tr> <td colspan="3" align="center" style="background-color: #eeeeee"><strong>Calibration Observations Scheduled</strong></td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/17947.pro">17947</a></td> <td>Aidan Pidgeon, Space Telescope Science Institute</td> <td>WFC3 UVIS CCD Daily Monitor Part 2</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/17954.pro">17954</a></td> <td>Anne O'Connor, Space Telescope Science Institute</td> <td>WFC3 UVIS Traps with Charge Injection</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18155.pro">18155</a></td> <td>Matthew Dallas, Space Telescope Science Institute</td> <td>STIS CCD Dark Monitor Part 2</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18157.pro">18157</a></td> <td>Joshua Lothringer, Space Telescope Science Institute</td> <td>STIS CCD Bias and Read Noise Monitor Part 1</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18159.pro">18159</a></td> <td>Joshua Lothringer, Space Telescope Science Institute</td> <td>STIS CCD Hot Pixel Annealing</td> </tr> <tr> <td colspan="3" align="center" style="background-color: #eeeeee"><strong>Other Observations Scheduled</strong></td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/15962.pro">15962</a></td> <td>Merle Reinhart, Space Telescope Science Institute</td> <td>Routine EEPROM dumps for ACS, COS, STIS, and WFC3</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18228.pro">18228</a></td> <td>Merle Reinhart, Space Telescope Science Institute</td> <td>ACS/COS/STIS/WFC3 NED History Log Collection</td> </tr> </tbody> </table>

[HST REPORTS] HST Daily Report

Thu, 16 Apr 2026 18:33:00 GMT

Inbox Astronomy: Roman Space Telescope Science Platform Will Open New Frontiers in Space Science

Thu, 16 Apr 2026 14:38:00 GMT

<div style="text-align: center; height: 49px; background-color: black; color: white;font-size: 34px; text-decoration: none;"> INBOX ASTRONOMY </div> <br/> <div style="text-align: center; color: #20499b; font-size: 26px; font-weight: bold;">Roman Space Telescope Science Platform Will Open New Frontiers in Space Science</div> <br/> <div style="text-align: center; color: #969696;"> Release date: Thursday, April 16, 2026 10:00:00 AM Eastern Daylight Time </div> <div style="text-align: center;"> <p style="text-align: center;"> <img style="max-width: 70%" src="http://stsci-opo.org/STScI-01KNA8HWYW2TDPR2N3KFPPERH3.jpg" alt="Roman Space Telescope Science Platform Will Open New Frontiers in Space Science"/> </p> <br> <br> <p style="text-align: center;font-weight: bold; max-width: 670px; margin-left: auto; margin-right: auto;"> With the release of the cloud-hosted Roman Research Nexus, STScI provides astronomers around the world an environment where they can prepare to work with the massive data stream expected from NASA's Nancy Grace Roman Space Telescope. </p>  <div style="text-align: justify; max-width: 670px; margin-left: auto; margin-right: auto;"><p>Preparations for NASA's soon-to-launch <a href="https://www.stsci.edu/roman">Nancy Grace Roman Space Telescope</a> have already introduced historic changes to the field of astronomy. Starting in 2027, Roman will deliver an unprecedented volume of complex survey data that will be impractical to download to individual computers for analysis.</p> <p>Astronomers and engineers at the Space Telescope Science Institute (STScI), working in close collaboration with the mission’s partners at NASA and Caltech/IPAC, have met these new developments head-on by creating and releasing a seamless interface, the <a href="https://roman-docs.stsci.edu/data-handbook/roman-research-nexus">Roman Research Nexus</a>, which brings users to the data. This cloud-based science platform, which is live and ready to use, allows researchers to stream, manipulate, and analyze Roman’s currently simulated data, while accessing step-by-step tutorials, built-in tools, and editable algorithms. The Nexus will pave the way for an explosion of scientific discoveries once real Roman data begin flowing into it.</p></div>  <br/><br/> </div>  <div style="text-align: center; max-width: 670px; margin-left: auto; margin-right: auto;"> <a href="https://www.stsci.edu/contents/news-releases/2026/news-2026-401.html?utm_source=stsci&utm_campaign=inbox_astronomy&utm_id=2026-401" style="text-align: center; width:160px; border: solid 3px #ec971f; background-color: #ec971f; color: white; font-size: 18px; font-family: Arial, Helvetica, sans-serif; border-radius: 4px; text-decoration: none; margin-left: auto; margin-right: auto;"><span style="text-decoration:none;">  Read more  </span></a> </div>  <p style="text-align: center;"> Find additional resources at <a href="https://www.stsci.edu?utm_source=stsci&utm_campaign=inbox_astronomy&utm_id=2026-401" style="color: #c76900; text-decoration: none;">www.stsci.edu</a> </p> <br> <br> <div style="text-align: center; background-color: #e5e5e5; font-size: 20px; width: 670px; margin-left: auto; margin-right: auto;">   <span style="font-size: 11px;">Please do not reply to this message.</span> <br/> <span style="font-size: 11px;">You are receiving this email because you are subscribed to the Inbox Astronomy mailing list.</span> <br/> <div style="font-size: 3px;">   </div> <span style="font-size: 11px;">Produced by the Space Telescope Science Institute's <a href="https://outreachoffice.stsci.edu" style="color: #c76900; text-decoration: none;">Office of Public Outreach</a> </span> <div style="font-size: 10px;">   </div> </div> <div style="text-align: center; height: 49px; background-color: black; color: white;border: solid 5px black;"> <a href="https://www.facebook.com/stsci/" title="Link to facebook" class="has-icon"> <img src="http://www.stsci.edu/files/live/sites/www/files/home/_images/icons/Facebook-icon-white.png" style="padding-top: 3px;"/> </a> <a href="https://twitter.com/spacetelescope" title="Link to X" class="has-icon"> <img src="http://www.stsci.edu/files/live/sites/www/files/home/_images/icons/X-icon.png" style="padding-top: 3px;"/> </a> <a href="https://www.instagram.com/space_telescopes" title="Link to instagram" class="has-icon"> <img src="http://www.stsci.edu/files/live/sites/www/files/home/_images/icons/Instagram-icon-white.png" style="padding-top: 3px;"/> </a> <a href="https://www.youtube.com/channel/UCQXVf-94-RV7NVTOhVCNTiQ" title="Link to youtube" class="has-icon"> <img src="http://www.stsci.edu/files/live/sites/www/files/home/_images/icons/YouTube-icon-white.png" style="padding-top: 3px;"/> </a> </div>

[HST REPORTS] HST Daily Report

Wed, 15 Apr 2026 18:33:00 GMT

<table align="center" border="0" cellpadding="0" cellspacing="0" width=100%> <tbody> <tr> <td align="left"><a href="https://innerspace.stsci.edu/display/HSTMO/Previous+HST+Daily+Status+Reports">Earlier reports</a></td> <td align="right"><a href="https://landweb.modaps.eosdis.nasa.gov/browse/calendar.html" target="new">Convert Day of Year</a></td> </tr> </tbody> </table> <h2 align="center">The Hubble Space Telescope</h2> <h3 align="center"><em>Unlocking the Secrets of the Universe</em></h3> <p align="center">Daily Report #10866</p> <p align="center">Period Covered: <br>08:00 PM April 13, 2026 - 07:59 PM April 14, 2026 <br>(DOY 104/0000z - 104/2359z)</p> <table border="1" cellpadding="5" cellspacing="0"> <tbody> <tr> <th>Program</th> <th nowrap>Principal Investigator</th> <th nowrap>Program Title</th> </tr> <tr> <td colspan="3" align="center" style="background-color: #eeeeee"><strong>Science Observations Scheduled</strong></td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/17708.pro">17708</a></td> <td>Yue Shen, University of Illinois at Urbana - Champaign</td> <td>The Black Hole Mass - Stellar Mass Relation with Reverberation Mapping AGNs at 1<z<1.8</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/17776.pro">17776</a></td> <td>Sean Terry, University of Maryland</td> <td>A Precursor Survey of the Roman Galactic Bulge Time Domain Fields</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/17804.pro">17804</a></td> <td>R. O. Loyd, Eureka Scientific Inc.</td> <td>STELa: Survey of Transiting Exoplanets in Lyman-alpha</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/17844.pro">17844</a></td> <td>Michael Gregg, University of California - Davis</td> <td>The Origin of the Virgo Intergalactic Population</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18011.pro">18011</a></td> <td>Na'ama Hallakoun, Weizmann Institute of Science</td> <td>White dwarfs with inconsistent ages in young open clusters</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18053.pro">18053</a></td> <td>Bart Wakker, Eureka Scientific Inc.</td> <td>The Size Scale and Baryonic Content of Low Redshift Intergalactic Absorbers</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18061.pro">18061</a></td> <td>Michael Jones, California Institute of Technology</td> <td>Hubble Census of Nearby Satellites</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18085.pro">18085</a></td> <td>Xiaosheng Huang, University of San Francisco</td> <td>Confirming Spectroscopic Strong Lenses Found in New Discovery Windows from DESI DR1</td> </tr> <tr> <td colspan="3" align="center" style="background-color: #eeeeee"><strong>Calibration Observations Scheduled</strong></td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/17945.pro">17945</a></td> <td>Aidan Pidgeon, Space Telescope Science Institute</td> <td>WFC3 UVIS Bowtie Monitor</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/17947.pro">17947</a></td> <td>Aidan Pidgeon, Space Telescope Science Institute</td> <td>WFC3 UVIS CCD Daily Monitor Part 2</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18155.pro">18155</a></td> <td>Matthew Dallas, Space Telescope Science Institute</td> <td>STIS CCD Dark Monitor Part 2</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18157.pro">18157</a></td> <td>Joshua Lothringer, Space Telescope Science Institute</td> <td>STIS CCD Bias and Read Noise Monitor Part 1</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18170.pro">18170</a></td> <td>Sean Lockwood, Space Telescope Science Institute</td> <td>STIS FUV MAMA Dark Monitor</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18229.pro">18229</a></td> <td>Ralph Bohlin, Space Telescope Science Institute</td> <td>GoldSpec: Absolute Flux Calibration Stars for the Hubble/Webb/Roman Multi-Mission Era</td> </tr> </tbody> </table>

[HST REPORTS] HST Daily Report

Tue, 14 Apr 2026 18:33:00 GMT

<table align="center" border="0" cellpadding="0" cellspacing="0" width=100%> <tbody> <tr> <td align="left"><a href="https://innerspace.stsci.edu/display/HSTMO/Previous+HST+Daily+Status+Reports">Earlier reports</a></td> <td align="right"><a href="https://landweb.modaps.eosdis.nasa.gov/browse/calendar.html" target="new">Convert Day of Year</a></td> </tr> </tbody> </table> <h2 align="center">The Hubble Space Telescope</h2> <h3 align="center"><em>Unlocking the Secrets of the Universe</em></h3> <p align="center">Daily Report #10865</p> <p align="center">Period Covered: <br>08:00 PM April 12, 2026 - 07:59 PM April 13, 2026 <br>(DOY 103/0000z - 103/2359z)</p> <table border="1" cellpadding="5" cellspacing="0"> <tbody> <tr> <th>Program</th> <th nowrap>Principal Investigator</th> <th nowrap>Program Title</th> </tr> <tr> <td colspan="3" align="center" style="background-color: #eeeeee"><strong>Science Observations Scheduled</strong></td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/17410.pro">17410</a></td> <td>Ryan Foley, University of California - Santa Cruz</td> <td>Reducing Type Ia Supernova Distance Biases by Separating Reddening and Intrinsic Color</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/17776.pro">17776</a></td> <td>Sean Terry, University of Maryland</td> <td>A Precursor Survey of the Roman Galactic Bulge Time Domain Fields</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/17777.pro">17777</a></td> <td>Kirsty Taggart, Universities Space Research Association</td> <td>Confirming the first progenitor candidate of a rare type Ibn supernova</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18036.pro">18036</a></td> <td>Monique Aller, Georgia Southern University Res. & Svc. Foundation, Inc</td> <td>Multiwavelength Extinction Curves in Distant Galaxies</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18044.pro">18044</a></td> <td>Yuri Izotov, National Academy of Sciences of Ukraine, BITP</td> <td>UV spectroscopy of extremely metal-poor dwarf compact star-forming galaxies with exceptionally strong HeII 4686 emission</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18061.pro">18061</a></td> <td>Michael Jones, California Institute of Technology</td> <td>Hubble Census of Nearby Satellites</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18114.pro">18114</a></td> <td>Gabriele Cugno, Universitat Zurich</td> <td>Unveiling Hidden Protoplanets: Direct Extinction Measurement at Optical Wavelengths in the Planet-Formed Gap of AS209</td> </tr> <tr> <td colspan="3" align="center" style="background-color: #eeeeee"><strong>Calibration Observations Scheduled</strong></td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/17947.pro">17947</a></td> <td>Aidan Pidgeon, Space Telescope Science Institute</td> <td>WFC3 UVIS CCD Daily Monitor Part 2</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/17969.pro">17969</a></td> <td>Benjamin Kuhn, Space Telescope Science Institute</td> <td>WFC3 UVIS Pixel-to-Pixel QE Variations via Internal Flats</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/17977.pro">17977</a></td> <td>Alyssa Guzman, Space Telescope Science Institute</td> <td>CCD Daily Monitor (Part 1)</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18155.pro">18155</a></td> <td>Matthew Dallas, Space Telescope Science Institute</td> <td>STIS CCD Dark Monitor Part 2</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18157.pro">18157</a></td> <td>Joshua Lothringer, Space Telescope Science Institute</td> <td>STIS CCD Bias and Read Noise Monitor Part 1</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18160.pro">18160</a></td> <td>Sergio Dieterich, Space Telescope Science Institute</td> <td>STIS CCD Spectroscopic Flats</td> </tr> <tr> <td colspan="3" align="center" style="background-color: #eeeeee"><strong>Other Observations Scheduled</strong></td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/15601.pro">15601</a></td> <td>David Sahnow, Space Telescope Science Institute</td> <td>COS FUV DCE Memory Dump</td> </tr> </tbody> </table>

Inbox Astronomy: NASA's Webb Redefines Dividing Line Between Planets, Stars

Tue, 14 Apr 2026 14:08:00 GMT

<div style="text-align: center; height: 49px; background-color: black; color: white;font-size: 34px; text-decoration: none;"> INBOX ASTRONOMY </div> <br/> <div style="text-align: center; color: #20499b; font-size: 26px; font-weight: bold;">NASA's Webb Redefines Dividing Line Between Planets, Stars</div> <br/> <div style="text-align: center; color: #969696;"> Release date: Tuesday, April 14, 2026 10:00:00 AM Eastern Daylight Time </div> <div style="text-align: center;"> <p style="text-align: center;"> <img style="max-width: 70%" src="http://stsci-opo.org/STScI-01KHV4JVJ6NBN5V9XVYMQ08A8J.jpg" alt="NASA's Webb Redefines Dividing Line Between Planets, Stars"/> </p> <br> <br> <p style="text-align: center;font-weight: bold; max-width: 670px; margin-left: auto; margin-right: auto;"> Composition and orbit of super-chonky 29 Cygni b point to accretion within a protoplanetary disk. </p>  <div style="text-align: justify; max-width: 670px; margin-left: auto; margin-right: auto;"><p>Where is the dividing line between stars and the most massive planets? Scientists think it may depend on how they formed. Was it from a bottom-up approach, gradually growing larger over time, or a top-down approach in which a large collection of gas and dust fragments into smaller, planet-sized bits?</p> <p>To answer these questions, astronomers used the James Webb Space Telescope to study an object weighing about 15 times as much as Jupiter, which puts it right on the dividing line between the two processes. They found that the object, called 29 Cygni b, likely formed from the bottom up rather than the top down. In other words, it formed like a planet, not a star.</p></div>  <br/><br/> </div>  <div style="text-align: center; max-width: 670px; margin-left: auto; margin-right: auto;"> <a href="https://www.stsci.edu/contents/news-releases/2026/news-2026-116.html?utm_source=webb&utm_campaign=inbox_astronomy&utm_id=2026-116" style="text-align: center; width:160px; border: solid 3px #ec971f; background-color: #ec971f; color: white; font-size: 18px; font-family: Arial, Helvetica, sans-serif; border-radius: 4px; text-decoration: none; margin-left: auto; margin-right: auto;"><span style="text-decoration:none;">  Read more  </span></a> </div>  <p style="text-align: center;"> Find additional resources at <a href="https://www.stsci.edu?utm_source=webb&utm_campaign=inbox_astronomy&utm_id=2026-116" style="color: #c76900; text-decoration: none;">www.stsci.edu</a> </p> <br> <br> <div style="text-align: center; background-color: #e5e5e5; font-size: 20px; width: 670px; margin-left: auto; margin-right: auto;">   <span style="font-size: 11px;">Please do not reply to this message.</span> <br/> <span style="font-size: 11px;">You are receiving this email because you are subscribed to the Inbox Astronomy mailing list.</span> <br/> <div style="font-size: 3px;">   </div> <span style="font-size: 11px;">Produced by the Space Telescope Science Institute's <a href="https://outreachoffice.stsci.edu" style="color: #c76900; text-decoration: none;">Office of Public Outreach</a> </span> <div style="font-size: 10px;">   </div> </div> <div style="text-align: center; height: 49px; background-color: black; color: white;border: solid 5px black;"> <a href="https://www.facebook.com/stsci/" title="Link to facebook" class="has-icon"> <img src="http://www.stsci.edu/files/live/sites/www/files/home/_images/icons/Facebook-icon-white.png" style="padding-top: 3px;"/> </a> <a href="https://twitter.com/spacetelescope" title="Link to X" class="has-icon"> <img src="http://www.stsci.edu/files/live/sites/www/files/home/_images/icons/X-icon.png" style="padding-top: 3px;"/> </a> <a href="https://www.instagram.com/space_telescopes" title="Link to instagram" class="has-icon"> <img src="http://www.stsci.edu/files/live/sites/www/files/home/_images/icons/Instagram-icon-white.png" style="padding-top: 3px;"/> </a> <a href="https://www.youtube.com/channel/UCQXVf-94-RV7NVTOhVCNTiQ" title="Link to youtube" class="has-icon"> <img src="http://www.stsci.edu/files/live/sites/www/files/home/_images/icons/YouTube-icon-white.png" style="padding-top: 3px;"/> </a> </div>

[HST REPORTS] HST Daily Report

Mon, 13 Apr 2026 18:33:00 GMT

[HST REPORTS] HST Daily Report

Sun, 12 Apr 2026 18:33:00 GMT

<table align="center" border="0" cellpadding="0" cellspacing="0" width=100%> <tbody> <tr> <td align="left"><a href="https://innerspace.stsci.edu/display/HSTMO/Previous+HST+Daily+Status+Reports">Earlier reports</a></td> <td align="right"><a href="https://landweb.modaps.eosdis.nasa.gov/browse/calendar.html" target="new">Convert Day of Year</a></td> </tr> </tbody> </table> <h2 align="center">The Hubble Space Telescope</h2> <h3 align="center"><em>Unlocking the Secrets of the Universe</em></h3> <p align="center">Daily Report #10863</p> <p align="center">Period Covered: <br>08:00 PM April 10, 2026 - 07:59 PM April 11, 2026 <br>(DOY 101/0000z - 101/2359z)</p> <table border="1" cellpadding="5" cellspacing="0"> <tbody> <tr> <th>Program</th> <th nowrap>Principal Investigator</th> <th nowrap>Program Title</th> </tr> <tr> <td colspan="3" align="center" style="background-color: #eeeeee"><strong>Science Observations Scheduled</strong></td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/17776.pro">17776</a></td> <td>Sean Terry, University of Maryland</td> <td>A Precursor Survey of the Roman Galactic Bulge Time Domain Fields</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/17786.pro">17786</a></td> <td>Keri Hoadley, University of Florida</td> <td>Tracing the beginnings, endings, and rarity of Blue Ring Nebulae to a rare stage in post-stellar merger evolution</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/17991.pro">17991</a></td> <td>Peter Blanchard, Harvard University</td> <td>Probing Magnetar Energy Input with the First Sample of Late-Time Superluminous Supernovae</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18050.pro">18050</a></td> <td>Hannah Bish, Space Telescope Science Institute</td> <td>Reaping the Whirlwind: Accretion & Outflow in the Inner Milky Way</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18139.pro">18139</a></td> <td>Lillian Jiang, University of California - Santa Barbara</td> <td>Tracing Accretion in the Planetary Regime: A Comprehensive UV/Optical Survey of the Late Stages of Planet Formation</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18189.pro">18189</a></td> <td>Albert Kong, National Tsing Hua University</td> <td>X-ray emissions of a peculiar hyperluminous X-ray source</td> </tr> <tr> <td colspan="3" align="center" style="background-color: #eeeeee"><strong>Calibration Observations Scheduled</strong></td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/17945.pro">17945</a></td> <td>Aidan Pidgeon, Space Telescope Science Institute</td> <td>WFC3 UVIS Bowtie Monitor</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/17947.pro">17947</a></td> <td>Aidan Pidgeon, Space Telescope Science Institute</td> <td>WFC3 UVIS CCD Daily Monitor Part 2</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18155.pro">18155</a></td> <td>Matthew Dallas, Space Telescope Science Institute</td> <td>STIS CCD Dark Monitor Part 2</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18157.pro">18157</a></td> <td>Joshua Lothringer, Space Telescope Science Institute</td> <td>STIS CCD Bias and Read Noise Monitor Part 1</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18197.pro">18197</a></td> <td>Christian Johnson, Space Telescope Science Institute</td> <td>Cycle 33 FUV Detector Dark Monitor</td> </tr> </tbody> </table>

[HST REPORTS] HST Daily Report

Sat, 11 Apr 2026 18:33:00 GMT

<table align="center" border="0" cellpadding="0" cellspacing="0" width=100%> <tbody> <tr> <td align="left"><a href="https://innerspace.stsci.edu/display/HSTMO/Previous+HST+Daily+Status+Reports">Earlier reports</a></td> <td align="right"><a href="https://landweb.modaps.eosdis.nasa.gov/browse/calendar.html" target="new">Convert Day of Year</a></td> </tr> </tbody> </table> <h2 align="center">The Hubble Space Telescope</h2> <h3 align="center"><em>Unlocking the Secrets of the Universe</em></h3> <p align="center">Daily Report #10862</p> <p align="center">Period Covered: <br>08:00 PM April 09, 2026 - 07:59 PM April 10, 2026 <br>(DOY 100/0000z - 100/2359z)</p> <table border="1" cellpadding="5" cellspacing="0"> <tbody> <tr> <th>Program</th> <th nowrap>Principal Investigator</th> <th nowrap>Program Title</th> </tr> <tr> <td colspan="3" align="center" style="background-color: #eeeeee"><strong>Science Observations Scheduled</strong></td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/17786.pro">17786</a></td> <td>Keri Hoadley, University of Florida</td> <td>Tracing the beginnings, endings, and rarity of Blue Ring Nebulae to a rare stage in post-stellar merger evolution</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18036.pro">18036</a></td> <td>Monique Aller, Georgia Southern University Res. & Svc. Foundation, Inc</td> <td>Multiwavelength Extinction Curves in Distant Galaxies</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18050.pro">18050</a></td> <td>Hannah Bish, Space Telescope Science Institute</td> <td>Reaping the Whirlwind: Accretion & Outflow in the Inner Milky Way</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18099.pro">18099</a></td> <td>Bret Lehmer, University of Arkansas Main Campus</td> <td>Uncovering the Ionizing Sources in Metal Poor Galaxies: UV Spectroscopy of an X-ray Observed Sample</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18152.pro">18152</a></td> <td>Man-To Hui, Shanghai Astronomical Observatory, CAS</td> <td>Monitoring Interstellar Object 3I/ATLAS Departing the Solar System</td> </tr> <tr> <td colspan="3" align="center" style="background-color: #eeeeee"><strong>Calibration Observations Scheduled</strong></td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/17947.pro">17947</a></td> <td>Aidan Pidgeon, Space Telescope Science Institute</td> <td>WFC3 UVIS CCD Daily Monitor Part 2</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/17960.pro">17960</a></td> <td>Jennifer Mack, Space Telescope Science Institute</td> <td>WFC3 UVIS Photometry</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/17977.pro">17977</a></td> <td>Alyssa Guzman, Space Telescope Science Institute</td> <td>CCD Daily Monitor (Part 1)</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/17983.pro">17983</a></td> <td>Alyssa Guzman, Space Telescope Science Institute</td> <td>ACS SBC Darks</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18155.pro">18155</a></td> <td>Matthew Dallas, Space Telescope Science Institute</td> <td>STIS CCD Dark Monitor Part 2</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18157.pro">18157</a></td> <td>Joshua Lothringer, Space Telescope Science Institute</td> <td>STIS CCD Bias and Read Noise Monitor Part 1</td> </tr> </tbody> </table>

[HST REPORTS] HST Daily Report

Fri, 10 Apr 2026 18:33:00 GMT

<table align="center" border="0" cellpadding="0" cellspacing="0" width=100%> <tbody> <tr> <td align="left"><a href="https://innerspace.stsci.edu/display/HSTMO/Previous+HST+Daily+Status+Reports">Earlier reports</a></td> <td align="right"><a href="https://landweb.modaps.eosdis.nasa.gov/browse/calendar.html" target="new">Convert Day of Year</a></td> </tr> </tbody> </table> <h2 align="center">The Hubble Space Telescope</h2> <h3 align="center"><em>Unlocking the Secrets of the Universe</em></h3> <p align="center">Daily Report #10861</p> <p align="center">Period Covered: <br>08:00 PM April 08, 2026 - 07:59 PM April 09, 2026 <br>(DOY 099/0000z - 099/2359z)</p> <table border="1" cellpadding="5" cellspacing="0"> <tbody> <tr> <th>Program</th> <th nowrap>Principal Investigator</th> <th nowrap>Program Title</th> </tr> <tr> <td colspan="3" align="center" style="background-color: #eeeeee"><strong>Science Observations Scheduled</strong></td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/17774.pro">17774</a></td> <td>Joseph Burchett, New Mexico State University</td> <td>Multiphase gas in eROSITA-detected galaxy groups and clusters</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/17776.pro">17776</a></td> <td>Sean Terry, University of Maryland</td> <td>A Precursor Survey of the Roman Galactic Bulge Time Domain Fields</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/17804.pro">17804</a></td> <td>R. O. Loyd, Eureka Scientific Inc.</td> <td>STELa: Survey of Transiting Exoplanets in Lyman-alpha</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18099.pro">18099</a></td> <td>Bret Lehmer, University of Arkansas Main Campus</td> <td>Uncovering the Ionizing Sources in Metal Poor Galaxies: UV Spectroscopy of an X-ray Observed Sample</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18103.pro">18103</a></td> <td>David Thilker, The Johns Hopkins University</td> <td>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</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18120.pro">18120</a></td> <td>Natsuko Yamaguchi, California Institute of Technology</td> <td>A COS Legacy Survey of Gaia DR3 WD+MS binaries</td> </tr> <tr> <td colspan="3" align="center" style="background-color: #eeeeee"><strong>Calibration Observations Scheduled</strong></td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/17936.pro">17936</a></td> <td>Jacqueline Hernandez, Space Telescope Science Institute</td> <td>Cycle 33 COS NUV Spectroscopic Sensitivity Monitor</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/17947.pro">17947</a></td> <td>Aidan Pidgeon, Space Telescope Science Institute</td> <td>WFC3 UVIS CCD Daily Monitor Part 2</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/17949.pro">17949</a></td> <td>Isabel Rivera, Space Telescope Science Institute</td> <td>WFC3 UVIS CCD Unflashed (CTE) Monitor</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/17956.pro">17956</a></td> <td>Joel Green, Space Telescope Science Institute</td> <td>WFC3 IR Dark Monitor</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/17960.pro">17960</a></td> <td>Jennifer Mack, Space Telescope Science Institute</td> <td>WFC3 UVIS Photometry</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/17969.pro">17969</a></td> <td>Benjamin Kuhn, Space Telescope Science Institute</td> <td>WFC3 UVIS Pixel-to-Pixel QE Variations via Internal Flats</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18155.pro">18155</a></td> <td>Matthew Dallas, Space Telescope Science Institute</td> <td>STIS CCD Dark Monitor Part 2</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18157.pro">18157</a></td> <td>Joshua Lothringer, Space Telescope Science Institute</td> <td>STIS CCD Bias and Read Noise Monitor Part 1</td> </tr> <tr> <td colspan="3" align="center" style="background-color: #eeeeee"><strong>Other Observations Scheduled</strong></td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/15962.pro">15962</a></td> <td>Merle Reinhart, Space Telescope Science Institute</td> <td>Routine EEPROM dumps for ACS, COS, STIS, and WFC3</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18228.pro">18228</a></td> <td>Merle Reinhart, Space Telescope Science Institute</td> <td>ACS/COS/STIS/WFC3 NED History Log Collection</td> </tr> </tbody> </table>

[HST REPORTS] HST Daily Report

Fri, 10 Apr 2026 18:33:00 GMT

<table align="center" border="0" cellpadding="0" cellspacing="0" width=100%> <tbody> <tr> <td align="left"><a href="https://innerspace.stsci.edu/display/HSTMO/Previous+HST+Daily+Status+Reports">Earlier reports</a></td> <td align="right"><a href="https://landweb.modaps.eosdis.nasa.gov/browse/calendar.html" target="new">Convert Day of Year</a></td> </tr> </tbody> </table> <h2 align="center">The Hubble Space Telescope</h2> <h3 align="center"><em>Unlocking the Secrets of the Universe</em></h3> <p align="center">Daily Report #10861</p> <p align="center">Period Covered: <br>08:00 PM April 08, 2026 - 07:59 PM April 09, 2026 <br>(DOY 099/0000z - 099/2359z)</p> <table border="1" cellpadding="5" cellspacing="0"> <tbody> <tr> <th>Program</th> <th nowrap>Principal Investigator</th> <th nowrap>Program Title</th> </tr> <tr> <td colspan="3" align="center" style="background-color: #eeeeee"><strong>Science Observations Scheduled</strong></td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/17774.pro">17774</a></td> <td>Joseph Burchett, New Mexico State University</td> <td>Multiphase gas in eROSITA-detected galaxy groups and clusters</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/17776.pro">17776</a></td> <td>Sean Terry, University of Maryland</td> <td>A Precursor Survey of the Roman Galactic Bulge Time Domain Fields</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/17804.pro">17804</a></td> <td>R. O. Loyd, Eureka Scientific Inc.</td> <td>STELa: Survey of Transiting Exoplanets in Lyman-alpha</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18099.pro">18099</a></td> <td>Bret Lehmer, University of Arkansas Main Campus</td> <td>Uncovering the Ionizing Sources in Metal Poor Galaxies: UV Spectroscopy of an X-ray Observed Sample</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18103.pro">18103</a></td> <td>David Thilker, The Johns Hopkins University</td> <td>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</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18120.pro">18120</a></td> <td>Natsuko Yamaguchi, California Institute of Technology</td> <td>A COS Legacy Survey of Gaia DR3 WD+MS binaries</td> </tr> <tr> <td colspan="3" align="center" style="background-color: #eeeeee"><strong>Calibration Observations Scheduled</strong></td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/17936.pro">17936</a></td> <td>Jacqueline Hernandez, Space Telescope Science Institute</td> <td>Cycle 33 COS NUV Spectroscopic Sensitivity Monitor</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/17947.pro">17947</a></td> <td>Aidan Pidgeon, Space Telescope Science Institute</td> <td>WFC3 UVIS CCD Daily Monitor Part 2</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/17949.pro">17949</a></td> <td>Isabel Rivera, Space Telescope Science Institute</td> <td>WFC3 UVIS CCD Unflashed (CTE) Monitor</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/17956.pro">17956</a></td> <td>Joel Green, Space Telescope Science Institute</td> <td>WFC3 IR Dark Monitor</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/17960.pro">17960</a></td> <td>Jennifer Mack, Space Telescope Science Institute</td> <td>WFC3 UVIS Photometry</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/17969.pro">17969</a></td> <td>Benjamin Kuhn, Space Telescope Science Institute</td> <td>WFC3 UVIS Pixel-to-Pixel QE Variations via Internal Flats</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18155.pro">18155</a></td> <td>Matthew Dallas, Space Telescope Science Institute</td> <td>STIS CCD Dark Monitor Part 2</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18157.pro">18157</a></td> <td>Joshua Lothringer, Space Telescope Science Institute</td> <td>STIS CCD Bias and Read Noise Monitor Part 1</td> </tr> <tr> <td colspan="3" align="center" style="background-color: #eeeeee"><strong>Other Observations Scheduled</strong></td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/15962.pro">15962</a></td> <td>Merle Reinhart, Space Telescope Science Institute</td> <td>Routine EEPROM dumps for ACS, COS, STIS, and WFC3</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18228.pro">18228</a></td> <td>Merle Reinhart, Space Telescope Science Institute</td> <td>ACS/COS/STIS/WFC3 NED History Log Collection</td> </tr> </tbody> </table>