Rubin Observatory's first LSST Camera release: 500k galaxies in the COSMOS field
The Rubin Observatory has released its first image from the LSST Camera, capturing over 500,000 galaxies in the COSMOS field. This high-resolution data provides astronomers with a deep look into the history of the universe.
Why it matters
The LSST Camera's unprecedented resolution enables significant advancements in observational astronomy and our understanding of cosmic evolution.
Packed into this single image from Rubin Observatory are many different kinds of galaxies: spirals with delicate arms, smooth elliptical galaxies, distorted merging galaxies, and faint red galaxies from the distant Universe. Only a relatively small number of bright stars from our own Milky Way appear in the foreground, leaving an unusually clear view of galaxies stretching far into the distance.
Rubin Observatory is jointly funded by the U.S. National Science Foundation (NSF) and the U.S. Department of Energy's Office of Science (DOE/SC).
This image was captured with Rubin’s 3.2-gigapixel LSST Camera — the largest digital camera in the world, mounted on the 8.4-meter Simonyi Survey Telescope. It features the well-known and well-studied region of sky known as the COSMOS field. It was created by stacking hundreds of individual observations and contains more than half a million galaxies and more than 50,000 stars.
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