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Double Cluster in Perseus
NGC869 & NGC884
Type Open Cluster
Constellation Perseus
Distance 25,100 ly
More Info
Date 19 Sep 2014 (Summer)
Place Palomar Mountain, CA
Exposure Data RGB 45:45:45 mins @ -20C
R 9x5, G 9x5, B 9x5 (bin 1x1)
Optics DSI RC10C Corrected RC Astrograph
Focal Length 1867mm @f/7.3
Mount Astro-Physics 900GTO
Camera FLI ML-6303E
Focuser Built-in Secondary Focuser
Filters FLI CFW2-7, Astrodon Gen 2 LRGB
Software MaxIm DL, CCDStack, Photoshop