NJAA Astro Photography TechNote #01, "Value" of Stacking Frames

Hello Everyone.

I've been asked many times about how many subs should be taken.  I always say take at least 20 subs without giving to much additional information.

Well I feel its appropriate that I give the background information regarding my recommendation.  I've written an article for the NJAA Astro Notes on the subject and wanted to have this group get an early look at it.

Take this link to download the PDF article

I hope that this article inspires others to write TechNotes.  We can build a library of PDF's and make a master compendium of all the articles into a single eBook.

Enjoy the article, I hope that you find it helpful.

Clear Skies,

Jim Roselli