IC 5146 Cocoon Nebula
in Hydrogen Alpha

Click image for a larger view

Location & Date Backyard, Abbott Observatory - Oct. 15, 2006
Temperature high 40'sF, Transparency - Fair, 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 8 X 15 minutes - 2 hours - Hydrogen Alpha
Other Information Image acquisition and guiding - CCDSoft V5
Astronomik 13nm Ha filter
Image Processing * Images Plus 2.75 - Calibration, Bayer Interpolate, Grading, Alignment, Sigma Clipped Average Combine, mild DDP, 2 iterations of R/L deconvolution.
* Adobe CS - Levels, Curves, Masks, Sharpening, Cropping, JPEG conversion

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© 2006 Michael A. Siniscalchi