Crab Nebula in Taurus

Click image for a larger view

Location & Date Backyard, Abbott Observatory - Oct 31 & Nov. 17, 2007
Temperature low 40'sF, Seeing - 2.15" - 2.79" FWHM
Telescope TMB 130SS Refractor, F/7 on a Losmandy G11, Prime Focus, Image scale 1.68 arcsec/pixel
Camera SBIG ST-2000XM monochrome camera w/CFW8 filter wheel
Astronomik 13nm Ha filter
Custom Scientific LRGB filters
CCD temp -25C
Exposure Times (Ha) 12X15m, (R) 6X10m, (G) 6X10m, (B) 9X10m Bin 1X1
Other Information Image acquisition and guiding - CCDSoft V5
Focus - Moonlite Motorfocus w/FocusMax

Image Processing * Images Plus 2.75 - Calibration, Grading, Alignment, Sigma Median Combine, mild DDP, Adaptive R/L, G2V Color weights, RGB combine, Noise reduction.
* Adobe CS - 2X Stairstep Image Size (Hoon Im plugin), Ha combine into R and Lum channels, Levels, Curves, Sharpening, Cropping, JPEG conversion

© 2007 Michael A. Siniscalchi