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Posts Made By: Dan Richey

December 2, 2010 09:22 PM Forum: Astro-Physics

M1

Posted By Dan Richey

Hi Robert,
I was curious why you used such a short sub frame? I am always struggling with this as to what is right. The Starizona site has a calculator to determing "ideal" exposure and I have used that sometimes. But, 2.5 minutes seems pretty short.