Greetings all,
I was attempting M64 last night and this happened (See image; PI excess stretch to show artifacts)
https://imgur.com/a/AYEVPii
here's a blink of the dataset
You might be able to see diminishing data over time. My theory is dewing on my mirror from the outside in. Would like input.
Gear:
F5 8" Newtonian
ASI294MC (non-cooled)
EQ6R
paired with:
ASI290MM
ASI60/280 Guide Scope
Thanks all, stay safe and clear skies!