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Uploaded 28-Feb-16
Taken 27-Feb-16
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11 of 34 photos
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Dimensions2008 x 2008
Original file size296 KB
Image typeJPEG
Color spaceAdobe RGB (1998)
Date modified27-Feb-16 14:13
Horsehead Nebula

Horsehead Nebula

The Horsehead Nebula, Barnard 33, as captured by Garry Sedun at his SDG Observatory and processed by W John McDonald
Details
20" f/4.1 telescope at the SDG observatory of Garry Sedun in Arizona.
TV Paracorr coma corrector and SBIG ST2000 XM camera.
Guidescope WO 80mm f/6.8 APO.
Mount - Paramount ME
Exposures - 25 x2m for each of Blue, Clear, Green and Red filters with darks, flats and bias frames to match.
Processing in Images Plus, ACR and Photoshop.