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Object: M 42 - Orion Nebula
Imager: Dipl.-Ing. Johannes Huwe
Date & Location: 29. march 2002, downtown Hannover, Germany
Optics / Telescope: Celestron C5 SCT, SBIG ST10E
Focal length f/ratio: 1270 mm @ f10 (no guiding)
Exposure: 115 sec. total, LRGB
L = 60 sec, binning 2x2
R = 15 sec, binning 2x2
G = 15 sec, binning 2x2
B = 25 sec, binning 2x2
Software: Processed with CCDSoft, MaxIm DL, Photoshop
Comments: My second object at all. No guiding.
Conditions: Seeing pretty poor, fst 3.0 mag.
Object Info: Located at a distance of about 1,600 light years, the Orion Nebula is the brightest diffuse nebula in the sky. The Orion Nebula itself is still a big object in the sky, extending some 66x60 arc minutes, thus covering four times the area of the full Moon. This corresponds to a linear diameter of about 30 light years. Visual brightness is 4.0 (mag).

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