Group Challenge - Horsehead or Witch Head Nebula  
Horsehead Wide Field

Horsehead Wide Field(Thomas Arrington)

Acquisition Date : December 29, 2008
2 am
Camera : Canon Rebel XT
Modified by Hap Griffin
Camera Settings : ISO1600
20 x 360 seconds
10 Darks & 10 Flats
Raw
Telescope : William Optics 80mm Megrez Fluorite Doublet system at f5.6. W/O 0.80x Reducer Flattener type II, IDAS LPS Filter
Mount : Celestron CGE
Guided with Meade DSI Pro & PHD
Processing Package / Processing Applied : Deep Sky Stacker
post processing in
PixInsight LE and Photoshop CS3
NOTES : Thanks to Hunter Wilson and Jerry Lodriguss for processing suggestions

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