Known as The Omega or Swan Nebula and also The Checkmark, Horseshoe and Lobster Nebula
Captured over 3 nights early October 2012 shot at native resolution (F5.5)
Total Exposure time 5 hours.
Location: Fremont, Michigan
Date of Shoot 1st, 3rd and 8th October 2012
All exposures unbinned
H-Alpha 3nm 8 x 20 min
SII 4 x 20 min
OIII 3 x 20 min
QHY9M monochrome CCD cooled to -30C www.astrofactors.com
Thomas M. Back TMB 92SS F5.5 APO Refractor
Paramount GT-1100S German Equatorial Mount (with MKS 4000)
Image Aquisition Maxim DL
Stacking and Calibrating: CCDStack
Registration of images in Registar
Post Processing Photoshop CS5
Clear Skies
Terry
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