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Rubin Observatory Releases LSST Image of 500,000 Galaxies

8/3/2026

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Summary

Story summary

The NSF-DOE Vera C. Rubin Observatory released a COSMOS image taken with its LSST camera.
The LSST camera weighs about 6,600 pounds, holds 189 CCDs and will take 700 photos nightly for ten years.
The stacked picture shows over half a million galaxies, raising the COSMOS catalog above two million.
Phil Marshall called the field a testing ground and noted 10 GB of photos are available from NOIRLab.

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Story summary

The NSF-DOE Vera C. Rubin Observatory released a COSMOS image taken with its LSST camera.
The LSST camera weighs about 6,600 pounds, holds 189 CCDs and will take 700 photos nightly for ten years.
The stacked picture shows over half a million galaxies, raising the COSMOS catalog above two million.
Phil Marshall called the field a testing ground and noted 10 GB of photos are available from NOIRLab.