NGC 7331
Galaxy in Pegasus

Click image for a larger view

Location & Date Backyard, Abbott Observatory August 4 & 6, 2006
Temperature low 70'sF, Transparency - Very Good, Seeing - 4/5
Telescope Celestron C8-N OTA on a Losmandy G11 mount
8" Reflector F/5, Prime Focus, Image scale 1.52 arcsec/pixel
Camera SBIG ST-2000XCM
CCD temp -14C
Exposure Times 25 X 5 minutes 2 hours - Color
20 X 8 minutes 2.6 hours - Color
Total 4.6 hours
Other Information Image acquisition and guiding - CCDSoft V5 w/Dithering
Focus - Moonlite Motorfocus w/Focus Max
Baader UV/IR filter stacked to an Orion Skyglow filter for color data.
Guiding - Internal TC11 guider
Image Processing * Images Plus 2.75 -
Calibration, Bayer Interpolate, Grading, Alignment, Sigma Clipped Average Combine, mild DDP, R/L deconvolution.
* Adobe CS - Levels, Curves, Masks, Sharpening, RGB balance, Cropping, JPEG conversion

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© 2006 Michael A. Siniscalchi