M 101
Galaxy in Ursa Major

Click image for a larger view

Location & Date Backyard, Abbott Observatory May 14, June 6 & 8 2007
Temperature 40'sF, Transparency - Good, Seeing - 4/5
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
Custom Scientific LRGB filters
CCD temp -15C
Exposure Times (L) 18X10m, (R) 6X15m, (G) 6X10m, (B) 18X10m Bin 1X1
Other Information Image acquisition and guiding - CCDSoft V5
Focus - Moonlite Motorfocus w/FocusMax
Image Processing * Images Plus 2.75 - Calibration, Grading, Alignment, Adaptive Addition Combine, mild DDP, 10 iterations of adaptive R/L deconvolution, RGB combine.
* Adobe CS - Lum blend, Levels, Curves, Masks, Sharpening, Cropping, JPEG conversion

© 2007 Michael A. Siniscalchi