HectoMAP survey alongside the original CfA slice. Tje slice, and the white part of the HectoMAP, go to a depth of 0.04 in redshift; the top of the image shows the HectoMAP out to a depth or 0.50.
Image Number: WEB12598-2012
Credit: Margaret J. Geller and Emilio E. Falco, Harvard-Smithsonian Center for Astrophysics
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