The Double Cluster in Perseus
Double Cluster in Perseus, 24-Dec-2011
LRGB 30+10+10+10 = 60 minute exposure at Blue Mountain Vista Observatory, New Ringgold, PA
12.5" f/8 Starizona Hyperion astrograph, Apogee U16M camera,
Kodak KAF-16803 CCD, Astrodon filters, Paramount ME mount