M51 - The Whirlpool Galaxy - M51
CCD Camera
ST8E
Optics
APM 162mm f/6 Maksutov Newtonian, 912 mm focal length
Location
Fort Davis, TX. Limiting magnitude 7.0+
Date
4/27/2003
Exposure
Twenty-three 5 minute exposures, 115 minutes; dark subtracted and flat fielded
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