10 minutes worth of 60 sec subs at ISO 1600 for this quickie globular cluster image. I was in the middle of town in a Bortle red zone, so 1 minute was max I could go at that ISO setting.
M3 Globular in 10 Minutes
10 minutes worth of 60 sec subs at ISO 1600 for this quickie globular cluster image. I was in the middle of town in a Bortle red zone, so 1 minute was max I could go at that ISO setting.