noirlab_noao-02464 June 30th, 2020
Credit: NOIRLab/NSF/AURA
An open star cluster in the constellation Cassiopeia, NGC457 is composed of relatively young stars (only about 10 million years old). It is located some 9300 light-years from Earth and is about 30 light-years across. KPNO 2.1-meter telescope, 1975.
Provider: NOIRLab
Image Source: https://noirlab.edu/public/images/noao-02464/
Curator: NSF's NOIRLab, Tucson, AZ, USA
Image Use Policy: Creative Commons Attribution 4.0 International License
Detailed color mapping information coming soon...
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