M 46
Open Cluster w/ NGC 2438

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Location & Date Backyard, Abbott Observatory - December 20, 2006
Temperature mid 30'sF, Transparency - Good, Seeing - 3/5
Telescope Orion ED80 Refractor, F/7.5 on a Losmandy G11, Prime Focus, Image scale 2.54 arcsec/pixel
Camera SBIG ST-2000XCM color camera
CCD temp -25C
Exposure Times 20 X 4 minutes - 1.33 hours
Other Information Image acquisition and guiding - CCDSoft V5
Baader UV/IR filter
Image Processing * Images Plus 2.75 - Calibration, Bayer Interpolate, Grading, Alignment, Sigma Clipped Median Combine, mild DDP
* Adobe CS - Levels, Curves, Cropping, JPEG conversion

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© 2007 Michael A. Siniscalchi