Untitled Document

Sh2-140

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APM/TMB115 @ f/5.4 Riccardi .75x Reducer 
Atik 383L+ Mono Camera Atik EFW2/OAG
Astrodon HaRGB Filters Losmandy G11-Gemini 2

Ha=19x20min RGB=9x10min each 
Total =10hrs 50min 

For this image I combined the Hydrogen Alpha (Ha) with the RGB channels (70%-R, 15%-G, 15%-B) and then also used the Ha (50%) as Luminance for detail and contrast. Very little sharpening or noise reduction was done.