NGC869 and NGC884
Double Cluster

Other names: The Double Cluster in Perseus
Optics: Takahashi FSQ-106ED at f/5
Mount: Mountain Instruments MI-250 w/Gemini on ATS pier
Camera: Canon 20D [ Hutech Type I ]
Exposure: 30 minutes [ 10 x 3 minutes ] at ISO 400
Accessories: Autoguided with SV80S and DSI Pro
Location: Landers, CA [ GMARS ]
Date July 22, 2007
Notes: Processing: Image acquisition, DFR, convert, align, and combine with ImagesPlus. Levels and curves in Photoshop.

Ambient temperature was about 78°F.

Click the image for a larger version (1800 x 1200, ~2.1 MB).