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IC417 In Auriga

Date:  

November, 19-20, 2003

Image Data:  

IC417 Cluster with Nebulosity in Auriga

Instrument:  

155mm Astro-Physics f7 Starfire @f5.25 w/Astro-Physics 1200 Mount

Camera:  

SBIG ST2000XM w/CFW8A Filter Wheel

Acquisition Software:  

Maxim DL

Exposure:  

Composition Type:  

HaGB  

Red Channel:  

210 Min H-alpha (Unbinned) on Red Channel (14 X 15 Minutes), Median Averaged

Green Channel:  

40 Min Green (Unbinned) on Green Channel (8 X 5 Minutes), Median Averaged

Blue Channel:  

40 Min Blue (Unbinned) on Blue Channel (8 X 5 Minutes), Median Averaged

Processing:  

Gradient Reduction with Ron Wodaski's Plugin on Green and Blue in MaxIM DL
Sub-Images Aligned and Combined in CCD Soft
Color Combine in Maxim DL
Gamma Stretch in MaxIM DL
Cropping in Picture Window Pro
Curves applied in PhotoShop 7.0

Location:  

My Light Polluted Driveway in Mason, OH - 75 Feet From VERY Unshielded Mercury Vapor Lamp

Guiding:  

94 mm f7 Brandon with SBIG ST4

Filter Data:  

H Alpha Custom Scientific 656.3 / 4.5nm
Green Filter from Standard SBIG RGB Filter Set
Blue Filter from Standard SBIG RGB Filter Set