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jshuder | all galleries >> Astrophotography >> DSI Pro II CCD > Abell 2151
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Abell 2151

Abell 2151

Abell 2151 Galaxy Cluster in Hercules, with NGC 6045 (Arp 71) spiral galaxy type SBc, just left of center.
Taken June 9, 11 and 12, 2007 with a DSI Pro II and Outback Cooler on a C8NGT (8" Newtonian f5).
All subframes were 180 sec. The RGB subframes were also used to make synthetic L subframes (sL),
which were then used in the total stack of images to create the final L image resulting in the
following total exposures (L+sL):R:G:B (min) = (171+87):87:87:87. Color balance was achieved via
numerically scaled channels. Captured with Envisage, calibrated and sigma combined in Iris with
other processing using FITZ, PixInsight LE and Photoshop CS. North is up.

other sizes: small medium original
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