u/Puzzleheaded_Walk_54

175x60sec.

Stacked in DeepSkyStacker, processed in Siril.

I captured it in bortle 3 area but due to proximity to the Arctic Circle (61 degrees north latitude), the sky never fully darkened, and the Milky Way was barely visible, so I think the actual light pollution level was about 5.

991x60s with LP filter.

Stacked in DeepSkyStacker, processed in Siril

248x60sec, LP filter on.

Stacked in Seestar and processed in Siril.

176x60sec with LP filter

Stacked in the Seestar and processed in Siril

Is this okay that stars on upper part of image look slightly blurry? is it just a coma common to all telescopes, or an optical imperfection?

21 minutes of 60 sec exposures in Eq mode

Bortle 9

Ring Nebula region