Thread: 1100d ISO or exposure length
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  #15  
Old 02-10-2014, 05:23 PM
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Amaranthus (Barry)
Thylacinus stargazoculus

Amaranthus is offline 		 
Join Date: Jan 2014
Location: Judbury, Tasmania
Posts: 1,203
Unwanted signal is mostly sky glow (background light pollution), lunar wash out, zodiacal light etc. Everything that makes the sky brighter that is not the target DSO!
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