NGC 2359
Thor's Helmet

Click image for a larger view

Location & Date Backyard, Abbott Observatory January 11 & 25, 2007
Temperature low 30's°F, Transparency - Fair, Seeing - 3/5
Telescope TMB 130SS Refractor, F/7 on a Losmandy G11, Prime Focus, Image scale 1.68 arcsec/pixel
Camera SBIG ST-2000XCM color camera
CCD temp -25°C
Exposure Times 10 X 15 minutes - 2.5 hours - Color
5 X 20 minutes - 1.75 hours - Ha
Other Information Image acquisition and guiding - CCDSoft V5
Celestron LPR w/Baader UV/IR filter - Color
Astronomik 13nm Ha filter - Ha
Image Processing * Images Plus 2.75 - Calibration, Bayer Interpolate, Grading, Alignment, Sigma Clipped Median Combine, mild DDP
* Adobe CS - Levels, Curves, Ha blend to R and Lum channels, Cropping, JPEG conversion

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© 2007 Michael A. Siniscalchi