Collinder 399

Posted by DaveMitsky
on Saturday, March 7, 2009

by Dave Mitsky

Here's a photograph of Collinder 399 (with south up), which is also known as the Coathanger and Brocchi's Cluster.  In the latter part of the 1990s, it was determined that this charming group of stars is not a true cluster after all but is merely an asterism.  I took this piggybacked picture on 1999/9/10 using a Pentax K1000 SLR camera and an 80mm f/5 Orion ShortTube 80 achromatic refractor at prime focus from the summit of Spruce Knob in West Virginia.

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