Sh2-188
Planetary Nebula in Cassiopeia

Click image for a larger view

Location & Date Backyard, Abbott Observatory September 16 & 19, 2007
Temperature low 60'sF, Seeing - 3.20" - 3.57" 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 -20C
Exposure Times (Ha) 6X30m & 8X15 Bin 1X1
(R) 5X10m, (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, Adaptive Add Combine, mild DDP, Adaptive R/L, Color weights, RGB combine, Noise reduction.
* Adobe CS - Ha and Lum combine, Levels, Curves, Sharpening, Cropping, JPEG conversion

© 2007 Michael A. Siniscalchi