JWST Observer
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JWST Observer is managed by STScI and provides astronomers with the most up-to-date information, news, and events related to observing with JWST.
The James Webb Space Telescope traces its roots to the workshop: "the Next Generation: A 10 m class UV-Visible-IR Successor to HST,” held at STScI in September 1989. The workshop debated the next scientific and technological steps after Hubble. Following a decade of concept development by numerous scientists and engineers from across NASA, industry, and academia, a proposed 6.5m cold, infrared obs
05/26/2026
A new set of MIRI Imager and Low-Resolution Spectroscopy (LRS) subarrays are designed to eliminate the primary source of electromagnetic interference (EMI) and facilitate instrument enhancements. Read more: https://ow.ly/GEXb50Z4bSh
05/20/2026
The Rocky Worlds DDT Data Challenge is designed to engage and help prepare the community to interpret rocky exoplanet atmosphere observations with . Get the details: https://ow.ly/ABzy50Z2gyJ
05/19/2026
The May JSTUC meeting included presentations on Mission updates, Cycle 5 results, Cycle 6 plans, update on the Rocky Worlds DDT program, and various other updates. Read more: https://ow.ly/LhJP50Z1EqM
05/13/2026
Pipeline Build 12.3 offers substantial improvements to both the speed and default quality of NIRISS Single Object Slitless Spectroscopy (SOSS) data products. Get the details: https://ow.ly/vfLa50YZ2WT
05/12/2026
Join us for Webb Office Hours on May 14th and 28th at 11 am (ET) to get your data-related questions answered by experts: https://ow.ly/BXTO50V6VNJ
05/07/2026
Build 12.3 corrects significant IFU resampling artifacts near unresolved point sources: https://ow.ly/yqAn50YWaSg
04/30/2026
Build 12.3 of the Science Calibration Pipeline includes improvements to all four instruments. Read more: https://ow.ly/8JxO50YSpUQ
04/27/2026
Review the technical reports published by the Science and Operations Center teams in the past 5 months: https://ow.ly/NP8f50YQwlj
04/09/2026
Join us on April 22nd for JWebbinar 48 - NIRSpec and NIRISS Calibration Update. We'll provide an update on the performance and calibration quality of 's NIRSpec and NIRISS instruments: https://ow.ly/F6br50YGs5x
04/06/2026
Join us for Webb Office Hours on April 9th and 23rd at 11 am (ET) to get your data-related questions answered by experts: https://ow.ly/BXTO50V6VNJ
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