Active area in the sun v1
Active area of the sun through thin clouds on 2017-05-21.
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).