NGC 7023
Iris Nebula in Cepheus

Click image for a larger view

Location & Date Backyard, Abbott Observatory - July 23,24 & Aug 1, 2008
Temperature - High 60's F
Telescope TMB 130SS Refractor, F/7 on a Losmandy G11, Prime Focus, Image scale 1.68 arcsec/pixel
Camera SBIG ST-2000XM w/CFW8, AO8
Astrodon Tru Balance LRGB Filters
CCD temp -15C
Exposure Times (L) 26 X 10, (R) 6x10, (G) 6x10,(B) 6x10 Minutes, Bin 1x1
Other Information Image acquisition/focus/guiding/dither - CCD Autopilot w/CCDSoft
Focus - Moonlite Motorfocus w/FocusMax
Image Processing * Images Plus 3.5 - Calibration, Grading, Normalize, Alignment, Mix Max Excluded Average Combine, Van Cittert deconvolution, mild DDP
* Adobe CS - L+RGB combine, Levels, Curves, Sharpening, Cropping, NR, JPEG conversion

© 2008 Michael A. Siniscalchi