Abell 2065 Galaxy Cluster in Corona Borealis

(RA 15h 22.7m , Dec. +27° 43', 16 mag., >30 arcmin.)

This rich cluster of galaxies is located about 1°30' SW of b Coronae Borealis (see finder chart below). About 1.5 billion light years distant, it occupies area of the sky almost 1° across!

The above image was taken on April 7, 2002 from Harrowsmith, Ontario. Cookbook 245 LDC CCD camera was used on Celestron Ultima 8 f6.3 telescope autoguided with Cookbook 211 LDC CCD camera on a piggybacked 500mm f8 telephoto lens. This image is composed of twenty white integrations (240 sec. each) combined with AIP4WIN.

North is to the left. Only the central part of Abell 2065 is shown.

Map created in Guide 7.0 - 7°45' x 7°45'. North is up.

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© Jan Wisniewski