sponsored by psychohistorian.org
Type: galaxy cluster
Mag: B=13.8, V=13
Dressler, A. (1980) A catalog of morphological types in 55 rich clusters of galaxies. Astrophys.J.Suppl.Ser., 42, 565-609.
Buta, R.J. & Corwin Jr., H.G. (1986) The distance to the Hercules Supercluster. I. Basic data for 220 galaxies in CGCG field 108. Astrophys.J.Suppl.Ser., 62, 255-281.
Photo index by Jim Lucyk: Sky & Tel. 1/65 p9, Sky & Tel. 5/80 p368, Astronomy mag. 8/77 p51, Astronomy mag. 11/84 p12-13, Burnhams V2 p996
by Jim Lucyk: Sky & Tel. 1/88 p20
The Messier objects
The Bennett objects
The Caldwell list
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