photo sharing and upload picture albums photo forums search pictures popular photos photography help login
jshuder | all galleries >> Astrophotography >> DSI Pro II CCD > Abell 426
previous | next

Abell 426

Abell 426, Galaxy Cluster in Perseus, centered on NGC 1272 (type E) along with NGC 1275 (type E pec,
also identified as Caldwell 24, Perseus A and 3C84) left of center. Taken over several nights in Nov
and Dec 2007 with a DSI Pro II and Outback Cooler. Scope used was a C8NGT (8" Newtonian f5) on an
ASGT mount. LRGB subframes were 3 minutes resulting in the following total exposures L:R:G:B (min) =
399:84:87:87. 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 auto
comment | share