Andromeda. August 1, 2021

I think it's due to the telescope itself; it has significant aberration.

I think it's because of the telescope itself; it has strong aberration.

None of the aberrations or their combinations can produce such an image. Especially since this wasn't present in your previous photos. Look carefully—maybe something extra has appeared in the aperture, or perhaps some branches got in the way during the shoot.

"проводили" should be read as "провода". Damn phone autocorrect!

Well, it's possible. In the dark, the branches are especially thin and not very visible, so they could have easily gotten in. I don't rule out that possibility.