Star cluster?


https://www.legacysurvey.org//viewer/?ra=162.4243&dec=44.3413&layer=ls-dr9&zoom=14

Hi,
By turning on the “SDSS Spectra” layer, you can see that several of these are galaxies at the same redshift (about z=0.232). A galaxy cluster!
https://www.legacysurvey.org//viewer/?ra=162.4300&dec=44.3431&layer=ls-dr9&zoom=15&spectra
cheers,
–dustin

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