Sh2-155
Cave Nebula in Cepheus

Click image for a larger view

Location & Date Backyard, Abbott Observatory Nov. 24 & 25, 2006
Temperature mid 30'sF, Transparency - good, Seeing - 4/5
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 36 X 15 minutes - 9 hours
Other Information Image acquisition and guiding - CCDSoft V5
Celestron LPR w/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, Masks, Sharpening, Cropping, JPEG conversion

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© 2006 Michael A. Siniscalchi