vdB 142 Nebula in Cepheus
in Hydrogen Alpha

Click image for a larger view

Location & Date Backyard, Abbott Observatory Sept. 26, 2006
Temperature low 50's°F, 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 -20°C
Exposure Times 13 X 15 minutes 3.25 hours - Hydrogen Alpha
Other Information Image acquisition and guiding - CCDSoft V5
Focus - Moonlite Motorfocus w/FocusMax
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

Close

© 2006 Michael A. Siniscalchi