M42,  Great Nebula in Orion.

Date:  April 5, 2010
Camera: SBIG STL 11000M [first light test with new wide field setup]
Filters:  AstroDon Luminance
Camera control software:  CCDSoft
Camera temperature:  -10C
Telescope:  AP155EDF, Field Flattener
Telescope control software:  TheSky6
Mount:  AP1200

Subexposures:
Luminance:  27 x 1 minute (unbinned, image scale 1.7 arcsec/pix)

Conditions: Low target altitude, some sky brightness
Processing: CCDStack2, Photoshop CS4.
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