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Site and content copyright Robert Allevo 2002-2011

B33

Horsehead Nebula

Technical Details

Optics 12 1/2" RCOS  operating at f/9  (2857mm)
Mount Paramount ME
Camera SBIG ST-10XME, CFW8-a
Filters Tru Balance LRGB.
Date Dec. 12, 2005
Exposure RRGB = 70:15:15:15 minutes (5 min. integrations)
Processing MaximDl with RC Console,  Photoshop CS
Guiding ST-402 mounted on Takahashi Sky90
Binning Lum - 1x1,   RGB - 2x2
Location SkyFoto observatory in East Hartland, Ct.

Previous Attempt

B33

10" f/7.9   ST8XE / CFW8

RR=4x10   R=3x10   G=2x10   B=2x16   RR=1x1   RGB=2x2   Data taken on Feb. 7, 2003