M42 "Great Orion Nebula"
Diffuse Nebula in Orion
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Exposure Data: A total exposure of 160 minutes (8 x 20 minutes) @ f/5 with a SBIG ST-10XE and Custom Scientific 4.5nm bandpass Hydrogen-alpha filter
Telescope: TEC 140 refractor on a Losmandy G11 mount
Guiding: Autoguided by an SBIG ST-4 off-axis with a Lumicon GEG
Location and Date: Saugus, MA on 2-9-2004
Notes: Data from a series of 45 second exposures was used to repair the CCD's blooming and oversaturation of the brighter stars and the core region of M42