PK 204-8.1 / Abell 13
Planetary Nebula in Orion

Click image for a larger view

Location & Date Backyard, Abbott Observatory - Nov. 24 & Dec. 1, 2007
Temperature high 30'sF, Seeing - 2.38" - 2.94" 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) 23X10m 1x1, (R) 14X10m, (G) 3X10m, (B) 5X10m Bin 2X2
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.
* Adobe CS - Ha combine into R and Lum channels, Levels, Curves, Noise Reduction, Sharpening, Cropping, JPEG conversion

© 2007 Michael A. Siniscalchi