[HST REPORTS]

[HST REPORTS] HST Daily Report

Mon, 07 Sep 2026 18:30:00 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 #11011</p> <p align="center">Period Covered: <br>08:00 PM September 05, 2026 - 07:59 PM September 06, 2026 <br>(DOY 249/0000z - 249/2359z)</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/17813.pro">17813</a></td> <td>Ori Fox, Space Telescope Science Institute</td> <td>A Deep Search for the Surviving Companion to the SN 2016gkg Progenitor</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18043.pro">18043</a></td> <td>Daniel Weisz, University of California - Berkeley</td> <td>The Metallicity Distribution Functions of M31 Ultra-Faint Dwarf Galaxies</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18049.pro">18049</a></td> <td>Erica Hammerstein, University of California - Berkeley</td> <td>Multi-Epoch UV Spectroscopy of Young Tidal Disruption Events</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18058.pro">18058</a></td> <td>Maria Vittoria Legnardi, Universita degli Studi di Padova</td> <td>The chemical composition of pristine gas through first-population stars in NGC 121</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/18107.pro">18107</a></td> <td>Sean Johnson, University of Michigan</td> <td>Baryonic Escape, Abundances, and Thermodynamics in Cosmic Ecosystems (BEATriCE)</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18240.pro">18240</a></td> <td>Angela Adamo, Stockholm University</td> <td>Feedback in Low-metallicity Environments from Emerging sTar clusters (FLEET)</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/17948.pro">17948</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/18156.pro">18156</a></td> <td>Matthew Dallas, Space Telescope Science Institute</td> <td>STIS CCD Dark Monitor Part 3</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18158.pro">18158</a></td> <td>Joshua Lothringer, Space Telescope Science Institute</td> <td>STIS CCD Bias and Read Noise Monitor Part 2</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> <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> </tbody> </table>

[HST REPORTS] HST Daily Report

Sun, 06 Sep 2026 18:30:00 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 #11010</p> <p align="center">Period Covered: <br>08:00 PM September 04, 2026 - 07:59 PM September 05, 2026 <br>(DOY 248/0000z - 248/2359z)</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/17813.pro">17813</a></td> <td>Ori Fox, Space Telescope Science Institute</td> <td>A Deep Search for the Surviving Companion to the SN 2016gkg Progenitor</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/17815.pro">17815</a></td> <td>Alexander Beckett, CNRS, Laboratoire d'Astrophysique de Marseille</td> <td>DISCS: Direct Imaging Survey of Circumgalactic Structure</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18010.pro">18010</a></td> <td>Benjamin Proudfoot, University of Central Florida Board of Trustees</td> <td>A Search For The Moons of Mid-Sized TNOs</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18035.pro">18035</a></td> <td>Lukas Furtak, University of Texas at Austin</td> <td>Direct search for Lyman continuum in a multiply-lensed low-mass high-redshift analog</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18043.pro">18043</a></td> <td>Daniel Weisz, University of California - Berkeley</td> <td>The Metallicity Distribution Functions of M31 Ultra-Faint Dwarf Galaxies</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18049.pro">18049</a></td> <td>Erica Hammerstein, University of California - Berkeley</td> <td>Multi-Epoch UV Spectroscopy of Young Tidal Disruption Events</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18076.pro">18076</a></td> <td>Sapna Mishra, Space Telescope Science Institute</td> <td>Unveiling the Circumgalactic Medium of M33: A Study of Satellite-Host Interactions in the Local Group</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/17934.pro">17934</a></td> <td>Christian Johnson, Space Telescope Science Institute</td> <td>Cycle 33 NUV Detector Dark Monitor</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/17948.pro">17948</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/18156.pro">18156</a></td> <td>Matthew Dallas, Space Telescope Science Institute</td> <td>STIS CCD Dark Monitor Part 3</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18158.pro">18158</a></td> <td>Joshua Lothringer, Space Telescope Science Institute</td> <td>STIS CCD Bias and Read Noise Monitor Part 2</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, 05 Sep 2026 18:30:00 GMT

[HST REPORTS] HST Daily Report

Fri, 04 Sep 2026 18:30:00 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 #11008</p> <p align="center">Period Covered: <br>08:00 PM September 02, 2026 - 07:59 PM September 03, 2026 <br>(DOY 246/0000z - 246/2359z)</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/18001.pro">18001</a></td> <td>Sarah Peacock, University of Maryland Baltimore County</td> <td>Completing Panchromatic Spectra for High Priority HWO Target Stars</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18034.pro">18034</a></td> <td>Alberto Saldana-Lopez, Stockholm University</td> <td>Spatially resolving the conditions for ionizing radiation escape in galaxies</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18035.pro">18035</a></td> <td>Lukas Furtak, University of Texas at Austin</td> <td>Direct search for Lyman continuum in a multiply-lensed low-mass high-redshift analog</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18043.pro">18043</a></td> <td>Daniel Weisz, University of California - Berkeley</td> <td>The Metallicity Distribution Functions of M31 Ultra-Faint Dwarf Galaxies</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18058.pro">18058</a></td> <td>Maria Vittoria Legnardi, Universita degli Studi di Padova</td> <td>The chemical composition of pristine gas through first-population stars in NGC 121</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18076.pro">18076</a></td> <td>Sapna Mishra, Space Telescope Science Institute</td> <td>Unveiling the Circumgalactic Medium of M33: A Study of Satellite-Host Interactions in the Local Group</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18107.pro">18107</a></td> <td>Sean Johnson, University of Michigan</td> <td>Baryonic Escape, Abundances, and Thermodynamics in Cosmic Ecosystems (BEATriCE)</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18130.pro">18130</a></td> <td>Juan Hernandez Santisteban, University of St Andrews</td> <td>Understanding AGN variability with Fairall 9: a legacy spectroscopic echo-mapping experiment with STIS</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18137.pro">18137</a></td> <td>Minghao Yue, University of Arizona</td> <td>Compact lensed quasars: are they hidden in the known quasar catalogs?</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/17948.pro">17948</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/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/18153.pro">18153</a></td> <td>Matthew Dallas, Space Telescope Science Institute</td> <td>STIS CCD Performance Monitor</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18156.pro">18156</a></td> <td>Matthew Dallas, Space Telescope Science Institute</td> <td>STIS CCD Dark Monitor Part 3</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18158.pro">18158</a></td> <td>Joshua Lothringer, Space Telescope Science Institute</td> <td>STIS CCD Bias and Read Noise Monitor Part 2</td> </tr> </tbody> </table>

[JWST Observer] Latest News: An APT Update for Cycle 6 Proposals Submissions Is Now Available

Fri, 04 Sep 2026 16:45:00 GMT

<center class="wrapper" style="width: 100%; background: #f2f2f2; text-align: left;">  <div style="display:none;font-size:1px;line-height:1px;max-height:0px;max-width:0px;opacity:0;overflow:hidden;mso-hide:all;font-family: sans-serif;"> </div>   <div style="max-width: 600px; margin: auto;" class="email-container">   <table role="presentation" border="0" align="center" width="100%" style="max-width: 600px;"> <tbody> <tr> <td style="padding: 20px 0; text-align: center"> <a href="https://www.stsci.edu" title="This link takes you to the STScI website."> <img src="http://www.stsci.edu/files/live/sites/www/files/home/jwst/news-events/news/_images/stsci-logo.png" width="194" height="35" alt="STScI logo" border="0" style="height: auto; font-family: sans-serif; font-size: 15px; line-height: 20px;"> </a> </td> </tr> </tbody> </table>   <table role="presentation" border="0" align="center" width="100%" style="max-width: 600px;"> <tbody> <tr> <td style="text-align: center;font-family: sans-serif; font-size: 32px; line-height: 40px; background: #012228; color: #ffffff; padding: 40px 10px 40px;" class="stack-column-center"> <p style="margin: 0;">JWST Observer Latest News</p> </td> </tr>  <tr> <td bgcolor="#ffffff"> <img src="http://www.stsci.edu/files/live/sites/www/files/home/jwst/news-events/news/_images/newsletter-banner.jpg" width="600" height="" alt="newsletter masthead image" border="0" align="center" style="width: 100%; max-width: 600px; height: auto; background: #dddddd; font-family: sans-serif; font-size: 15px; line-height: 20px;" class="g-img"> </td> </tr>  <p></p> <tr> <td bgcolor="3D#ffffff"> <table role="presentation" border="0" width="100%" style="background-color:#ffffff;"> <tbody> <tr> <td style="padding: 40px; font-family: sans-serif; font-size: 15px; line-height: 20px; color: #555555;"> <h2 style="margin: 0 0 10px 0; font-family: sans-serif; font-size: 18px; line-height: 21px; color: #333333; font-weight: bold; text-align:center;"><a href="http://www.stsci.edu/contents/news/jwst/2026/an-apt-update-for-cycle-6-proposals-submissions-is-now-available.html" title="This link takes you to the JWST Observer website.">An APT Update for Cycle 6 Proposals Submissions Is Now Available</a></h2> <p style="margin: 0; text-align:center;">JWST Cycle 6 proposers must upgrade to this new version.</p> </td> </tr> <tr> <td style="padding: 0 40px; font-family: sans-serif; font-size: 15px; line-height: 20px; color: #555555;">  <table role="presentation" border="0" align="center" style="margin: auto;"> <tbody> <tr> <td style="border-radius: 12px; background: #003399; text-align: center;" class="button-td"> <a href="https://www.stsci.edu/jwst/news-events/news" title="This link takes you to the JWST Observer website." style="background: #F8AF29; border: 15px solid #F8AF29; font-family: sans-serif; font-size: 13px; line-height: 1.1; text-align: center; text-decoration: none; display: block; border-radius: 3px; font-weight: bold;" class="button-a"> <span style="color:#000000;" class="button-link">View All JWST Observer News</span> </a> </td> </tr> </tbody> </table> </td> </tr>  <tr> <td aria-hidden="true" height="40" style="font-size: 0; line-height: 0;">   </td> </tr>  </tbody> </table> </td> </tr> </tbody> </table> </div> </center>

[HST REPORTS] HST Daily Report

Thu, 03 Sep 2026 18:30:00 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 #11007</p> <p align="center">Period Covered: <br>08:00 PM September 01, 2026 - 07:59 PM September 02, 2026 <br>(DOY 245/0000z - 245/2359z)</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/17714.pro">17714</a></td> <td>Tim Miller, Northwestern University</td> <td>Understanding the Role of Massive Stars in Galaxies at Cosmic Noon in a Legacy Spectroscopic Field</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18001.pro">18001</a></td> <td>Sarah Peacock, University of Maryland Baltimore County</td> <td>Completing Panchromatic Spectra for High Priority HWO Target Stars</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18035.pro">18035</a></td> <td>Lukas Furtak, University of Texas at Austin</td> <td>Direct search for Lyman continuum in a multiply-lensed low-mass high-redshift analog</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18069.pro">18069</a></td> <td>Justin Pierel, The Johns Hopkins University</td> <td>Requiem's Return: Precision cosmology from a decade-delayed, strongly-lensed supernova and its new sibling</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18101.pro">18101</a></td> <td>Aida Wofford, National Autonomous University of Mexico</td> <td>A New Approach to Determine the Ionizing Fluxes of Rapidly Rotating Oe Stars at Low Metallicity</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18137.pro">18137</a></td> <td>Minghao Yue, University of Arizona</td> <td>Compact lensed quasars: are they hidden in the known quasar catalogs?</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/17937.pro">17937</a></td> <td>David French, Space Telescope Science Institute</td> <td>Cycle 33 COS NUV Wavelength Scale Monitor</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/17948.pro">17948</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/17978.pro">17978</a></td> <td>Alyssa Guzman, Space Telescope Science Institute</td> <td>CCD Daily Monitor (Part 2)</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/18156.pro">18156</a></td> <td>Matthew Dallas, Space Telescope Science Institute</td> <td>STIS CCD Dark Monitor Part 3</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18158.pro">18158</a></td> <td>Joshua Lothringer, Space Telescope Science Institute</td> <td>STIS CCD Bias and Read Noise Monitor Part 2</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 align="center"><a href="http://www.stsci.edu/hst/phase2-public/18169.pro">18169</a></td> <td>Daniel Stapleton, Space Telescope Science Institute</td> <td>STIS MAMA Spectroscopic Sensitivity and Focus Monitor</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18202.pro">18202</a></td> <td>Leonardo Dos Santos, Space Telescope Science Institute</td> <td>Cycle 33 COS FUV Split-Wavecal Calibration Program</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18233.pro">18233</a></td> <td>TalaWanda Monroe, Space Telescope Science Institute</td> <td>COS LP11 FUV Target Acquisition Enabling and Verification</td> </tr> </tbody> </table>

[HST REPORTS] HST Daily Report

Wed, 02 Sep 2026 18:30:00 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 #11006</p> <p align="center">Period Covered: <br>08:00 PM August 31, 2026 - 07:59 PM September 01, 2026 <br>(DOY 244/0000z - 244/2359z)</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/17699.pro">17699</a></td> <td>Ethan Schreyer, University of California - Santa Cruz</td> <td>Can Lyman-alpha transits quantitatively test atmospheric escape models?</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/17714.pro">17714</a></td> <td>Tim Miller, Northwestern University</td> <td>Understanding the Role of Massive Stars in Galaxies at Cosmic Noon in a Legacy Spectroscopic Field</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/17749.pro">17749</a></td> <td>Travis Fischer, Space Telescope Science Institute - ESA - JWST</td> <td>A UV IFU in Space: Observations of AGN Feedback and Star Formation in NGC 1068</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/17995.pro">17995</a></td> <td>Amy Simon, NASA Goddard Space Flight Center</td> <td>Hubble 2020: Outer Planet Atmospheres Legacy (OPAL) Program</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/17948.pro">17948</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/17952.pro">17952</a></td> <td>Anne O'Connor, Space Telescope Science Institute</td> <td>WFC3 UVIS CTI Monitor (EPER)</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/17953.pro">17953</a></td> <td>Benjamin Kuhn, Space Telescope Science Institute</td> <td>WFC3 UVIS CTE Monitor (Star Cluster)</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18156.pro">18156</a></td> <td>Matthew Dallas, Space Telescope Science Institute</td> <td>STIS CCD Dark Monitor Part 3</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18158.pro">18158</a></td> <td>Joshua Lothringer, Space Telescope Science Institute</td> <td>STIS CCD Bias and Read Noise Monitor Part 2</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 align="center"><a href="http://www.stsci.edu/hst/phase2-public/18169.pro">18169</a></td> <td>Daniel Stapleton, Space Telescope Science Institute</td> <td>STIS MAMA Spectroscopic Sensitivity and Focus Monitor</td> </tr> </tbody> </table>

Inbox Astronomy: NASA's Hubble Tracks New Decagon Encircling Saturn’s South Pole

Wed, 02 Sep 2026 18:15:00 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 Hubble Tracks New Decagon Encircling Saturn’s South Pole</div> <br/> <div style="text-align: center; color: #969696;"> Release date: Wednesday, September 2, 2026 2:00:00 PM 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-01M0T8268PE7FKZK1V44E1J93Y.jpg" alt="NASA's Hubble Tracks New Decagon Encircling Saturn’s South Pole"/> </p> <br> <br> <p style="text-align: center;font-weight: bold; max-width: 670px; margin-left: auto; margin-right: auto;"> 10-sided wave appears to strengthen in year-over-year Hubble observations </p>  <div style="text-align: justify; max-width: 670px; margin-left: auto; margin-right: auto;"><p>Stunning portraits of the gas giants in our solar system over the last several decades can make these planets seem like familiar, unchanging worlds. Jupiter’s Great Red Spot and Saturn’s famous northern hexagon are recognizable features that have persisted for years, reinforcing that message.</p> <p>However, astronomers know that these planets are actually constantly in motion, changing much like our own Earth. The latest major discovery from NASA’s Hubble Space Telescope offers a striking example: a newly formed, 10-sided atmospheric wave, called a decagon, encircling Saturn’s south pole.</p> <p>Researchers are just beginning to piece together the history of this new feature and investigate what its evolution can reveal about the dynamic atmospheres of gas giant planets.</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-2026-022.html?utm_source=hubble&utm_campaign=inbox_astronomy&utm_id=2026-022" 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=hubble&utm_campaign=inbox_astronomy&utm_id=2026-022" 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

Tue, 01 Sep 2026 18:30:00 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 #11005</p> <p align="center">Period Covered: <br>08:00 PM August 30, 2026 - 07:59 PM August 31, 2026 <br>(DOY 243/0000z - 243/2359z)</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/17714.pro">17714</a></td> <td>Tim Miller, Northwestern University</td> <td>Understanding the Role of Massive Stars in Galaxies at Cosmic Noon in a Legacy Spectroscopic Field</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/17995.pro">17995</a></td> <td>Amy Simon, NASA Goddard Space Flight Center</td> <td>Hubble 2020: Outer Planet Atmospheres Legacy (OPAL) Program</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18001.pro">18001</a></td> <td>Sarah Peacock, University of Maryland Baltimore County</td> <td>Completing Panchromatic Spectra for High Priority HWO Target Stars</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18043.pro">18043</a></td> <td>Daniel Weisz, University of California - Berkeley</td> <td>The Metallicity Distribution Functions of M31 Ultra-Faint Dwarf Galaxies</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/17948.pro">17948</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/17964.pro">17964</a></td> <td>Mariarosa Marinelli, Space Telescope Science Institute</td> <td>WFC3 IR Time Dependent Sensitivity: Spatial Scans</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/17972.pro">17972</a></td> <td>Benjamin Kuhn, Space Telescope Science Institute</td> <td>WFC3 CSM Monitor with Earth Flats</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/17978.pro">17978</a></td> <td>Alyssa Guzman, Space Telescope Science Institute</td> <td>CCD Daily Monitor (Part 2)</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18156.pro">18156</a></td> <td>Matthew Dallas, Space Telescope Science Institute</td> <td>STIS CCD Dark Monitor Part 3</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18158.pro">18158</a></td> <td>Joshua Lothringer, Space Telescope Science Institute</td> <td>STIS CCD Bias and Read Noise Monitor Part 2</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>

[HST REPORTS] HST Daily Report

Mon, 31 Aug 2026 18:30:00 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 #11004</p> <p align="center">Period Covered: <br>08:00 PM August 29, 2026 - 07:59 PM August 30, 2026 <br>(DOY 242/0000z - 242/2359z)</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/17310.pro">17310</a></td> <td>Michael Koss, Eureka Scientific Inc.</td> <td>A Blue Gap Survey of Nearby Active Galaxies</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18043.pro">18043</a></td> <td>Daniel Weisz, University of California - Berkeley</td> <td>The Metallicity Distribution Functions of M31 Ultra-Faint Dwarf Galaxies</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18076.pro">18076</a></td> <td>Sapna Mishra, Space Telescope Science Institute</td> <td>Unveiling the Circumgalactic Medium of M33: A Study of Satellite-Host Interactions in the Local Group</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18130.pro">18130</a></td> <td>Juan Hernandez Santisteban, University of St Andrews</td> <td>Understanding AGN variability with Fairall 9: a legacy spectroscopic echo-mapping experiment with STIS</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18240.pro">18240</a></td> <td>Angela Adamo, Stockholm University</td> <td>Feedback in Low-metallicity Environments from Emerging sTar clusters (FLEET)</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18470.pro">18470</a></td> <td>Massimo Pascale, University of California - Los Angeles</td> <td>Catching the reappearance of strongly lensed supernova with a 1+ year time-delay</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/17948.pro">17948</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/18156.pro">18156</a></td> <td>Matthew Dallas, Space Telescope Science Institute</td> <td>STIS CCD Dark Monitor Part 3</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18158.pro">18158</a></td> <td>Joshua Lothringer, Space Telescope Science Institute</td> <td>STIS CCD Bias and Read Noise Monitor Part 2</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

Sun, 30 Aug 2026 18:30:00 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 #11003</p> <p align="center">Period Covered: <br>08:00 PM August 28, 2026 - 07:59 PM August 29, 2026 <br>(DOY 241/0000z - 241/2359z)</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/17699.pro">17699</a></td> <td>Ethan Schreyer, University of California - Santa Cruz</td> <td>Can Lyman-alpha transits quantitatively test atmospheric escape models?</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18043.pro">18043</a></td> <td>Daniel Weisz, University of California - Berkeley</td> <td>The Metallicity Distribution Functions of M31 Ultra-Faint Dwarf 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/18188.pro">18188</a></td> <td>Thomas Ayres, University of Colorado at Boulder</td> <td>Completing the Hyades High-Energy Main Sequence</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18226.pro">18226</a></td> <td>R. O. Loyd, Eureka Scientific Inc.</td> <td>STELa: Survey of Transiting Exoplanets in Lyman-alpha</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/17948.pro">17948</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/17972.pro">17972</a></td> <td>Benjamin Kuhn, Space Telescope Science Institute</td> <td>WFC3 CSM Monitor with Earth Flats</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/17980.pro">17980</a></td> <td>Alyssa Guzman, Space Telescope Science Institute</td> <td>CCD Hot Pixel Annealing</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18156.pro">18156</a></td> <td>Matthew Dallas, Space Telescope Science Institute</td> <td>STIS CCD Dark Monitor Part 3</td> </tr> <tr> <td align="center"><a href="http://www.stsci.edu/hst/phase2-public/18158.pro">18158</a></td> <td>Joshua Lothringer, Space Telescope Science Institute</td> <td>STIS CCD Bias and Read Noise Monitor Part 2</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>