Abell 1656 Galaxy Cluster in Coma Berenices

RGB image

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Click on image to enlarge

Red channel inverted

Taken on April 7, 2003 from my backyard in Castro Valley, Ca.

Astro-Physics AP155EDF  Imaging scope at 1085 mm FL, f/7

FLI IMG1024S Imaging camera at -40C

Astro-Physics 80mm GuideScope

SBIG ST7E NABG guide camera

FLI CFW-1 Filter wheel

Optec TCF-S Focuser

Optec IR-Blocking RGB filters

6 x 5 minutes total exposure per filter, 90 minutes total exposure time


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