Sun - link to animations in comments
This single frame is part of the imaging session on 2017-06-04. I managed to cover 2h 13 min and built a time-lapse movie for the sun spot and protuberances.
Links to animations:
Details: 90 mm D-ERF, 80/480 APO, Quark, 0.5x reducer and ASI178MM on AVX. Best 5 % frames stacked out of 5000 frames. Autostakkert3!, ImPPG and Photoshop.
Imaged at lat: 60° 13.1259'
lon: 24° 48.0592' (WGS84).