M17
Swan Nebula in Sagittarius

Click image for a larger view

Location & Date Backyard, Abbott Observatory July, 2007
Temperature low 70'sF, Transparency - Good for Ha and fair for color, 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
Astronomik 13nm Ha filter
Custom Scientific LRGB filters
CCD temp -15C
Exposure Times (Ha) 18x10m, (G) 9X5m, (B) 9X5m 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 Add Combine, mild DDP, Adaptive R/L, Color weights, HaGB combine.
* Adobe CS - Levels, Curves, Masks, Sharpening, Cropping, JPEG conversion

© 2007 Michael A. Siniscalchi