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NGC 869 - NGC 884 - Double Cluster 
Perseus    
Penryn, California
November 2009
FCL-90 II (ag, ST-4)
ST-10XME LRGB 10 minute subs

Known since at least 150BC and populated with bright blue stars of spectral class O,B and A, the Double Cluster is visible to the naked eye in dark sky locations.  Distance is 7400Ly.