Perfecting Astrophotography Exposure Lengths - A deep dive into exposure times vs sub count

What is the best exposure length for you and your gear? I've put together a handy cheat sheet with the best exposure times for different locations. We then dive deep into why I chose these exposure lengths and discuss other things that impact how long you should be exposing your astrophotos for.

Calculate your sky brightness: https://www.lightpollutionmap.info/

Calculate the P value in the sub equation: http://tools.sharpcap.co.uk/


Timestamps:
0:00 Introduction
2:35 Exposure length cheat sheet
5:50 Testing short vs long exposures
11:30 Testing thoughts and outcomes
13:11 Minimum images per channel
15:45 Conclusions
16:13 Don't take too many subs
17:55 Minimum recommended exposure time


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