Earlier reports Convert Day of Year The Hubble Space Telescope Unlocking the Secrets of the Universe Daily Report #10879 Period Covered: 08:00 PM April 26, 2026 - 07:59 PM April 27, 2026 (DOY 117/0000z - 117/2359z) Program Principal Investigator Program Title Science Observations Scheduled 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- ...Continue Reading

Earlier reports Convert Day of Year The Hubble Space Telescope Unlocking the Secrets of the Universe Daily Report #10878 Period Covered: 08:00 PM April 25, 2026 - 07:59 PM April 26, 2026 (DOY 116/0000z - 116/2359z) Program Principal Investigator Program Title Science Observations Scheduled 17704 Andreas Sander, Astronomisches Rechen-Institut Heidelberg Mapping the iron abundances and winds of the OB population across the Magellanic Bridge 17823 Dries Van De Putte, The University of Wes ...Continue Reading

JWST Observer Latest News Recently Added Technical Documents Review the technical reports published by the JWST Science and Operations Center teams and added to the JWST Observer website in the past five months. View All JWST Observer News ...Continue Reading

Earlier reports Convert Day of Year The Hubble Space Telescope Unlocking the Secrets of the Universe Daily Report #10877 Period Covered: 08:00 PM April 24, 2026 - 07:59 PM April 25, 2026 (DOY 115/0000z - 115/2359z) Program Principal Investigator Program Title Science Observations Scheduled 17709 Nicole Arulanantham, Schmidt Sciences Measuring Lyman-alpha Propagation in Planet-Forming Circumstellar Disks 17823 Dries Van De Putte, The University of Western Ontario Linking Gas-Phase El ...Continue Reading

Earlier reports Convert Day of Year The Hubble Space Telescope Unlocking the Secrets of the Universe Daily Report #10877 Period Covered: 08:00 PM April 24, 2026 - 07:59 PM April 25, 2026 (DOY 115/0000z - 115/2359z) Program Principal Investigator Program Title Science Observations Scheduled 17709 Nicole Arulanantham, Schmidt Sciences Measuring Lyman-alpha Propagation in Planet-Forming Circumstellar Disks 17823 Dries Van De Putte, The University of Western Ontario Linking Gas-Phase El ...Continue Reading

Earlier reports Convert Day of Year The Hubble Space Telescope Unlocking the Secrets of the Universe Daily Report #10876 Period Covered: 08:00 PM April 23, 2026 - 07:59 PM April 24, 2026 (DOY 114/0000z - 114/2359z) Program Principal Investigator Program Title Science Observations Scheduled 17709 Nicole Arulanantham, Schmidt Sciences Measuring Lyman-alpha Propagation in Planet-Forming Circumstellar Disks 17746 Andrew Fox, Space Telescope Science Institute - ESA Locating Clouds in the ...Continue Reading

Earlier reports Convert Day of Year The Hubble Space Telescope Unlocking the Secrets of the Universe Daily Report #10875 Period Covered: 08:00 PM April 22, 2026 - 07:59 PM April 23, 2026 (DOY 113/0000z - 113/2359z) Program Principal Investigator Program Title Science Observations Scheduled 18010 Benjamin Proudfoot, University of Central Florida Board of Trustees A Search For The Moons of Mid-Sized TNOs 18050 Hannah Bish, Space Telescope Science Institute Reaping the Whirlwind: Accre ...Continue Reading

Earlier reports Convert Day of Year The Hubble Space Telescope Unlocking the Secrets of the Universe Daily Report #10874 Period Covered: 08:00 PM April 21, 2026 - 07:59 PM April 22, 2026 (DOY 112/0000z - 112/2359z) Program Principal Investigator Program Title Science Observations Scheduled 16726 David Ehrenreich, University of Geneva, Department of Astronomy A comparative study of atmospheric escape in the brightest system of super-earths straddling the evaporation valley 17310 Michael ...Continue Reading

Earlier reports Convert Day of Year The Hubble Space Telescope Unlocking the Secrets of the Universe Daily Report #10874 Period Covered: 08:00 PM April 21, 2026 - 07:59 PM April 22, 2026 (DOY 112/0000z - 112/2359z) Program Principal Investigator Program Title Science Observations Scheduled 16726 David Ehrenreich, University of Geneva, Department of Astronomy A comparative study of atmospheric escape in the brightest system of super-earths straddling the evaporation valley 17310 Michael ...Continue Reading

Earlier reports Convert Day of Year The Hubble Space Telescope Unlocking the Secrets of the Universe Daily Report #10873 Period Covered: 08:00 PM April 20, 2026 - 07:59 PM April 21, 2026 (DOY 111/0000z - 111/2359z) Program Principal Investigator Program Title Science Observations Scheduled 16726 David Ehrenreich, University of Geneva, Department of Astronomy A comparative study of atmospheric escape in the brightest system of super-earths straddling the evaporation valley 17309 Vihang ...Continue Reading