NGC 7023
Iris Nebula

Click image for a larger view

Location & Date Backyard, Abbott Observatory Sept. 21, 2006
Temperature high 40'sF, Transparency - Good, Seeing - 4/5
Telescope Celestron C8-N 8" Reflector F/5, Prime Focus, Losmandy G11 mount
Image scale 1.52 arcsec/pixel
Camera SBIG ST-2000XCM color camera
CCD temp -20C
Exposure Times 30 X 10 minutes - 5 hours
Other Information Image acquisition and guiding - CCDSoft V5
Baader UV/IR & Orion Sky Glow LPR
Image Processing * Images Plus 2.75 - Calibration, Bayer Interpolate, Grading, Alignment, Sigma Clipped Average Combine, mild DDP, 5 iterations of R/L deconvolution.
* Adobe CS - Levels, Curves, Masks, Sharpening, Cropping, JPEG conversion

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© 2006 Michael A. Siniscalchi