Solar activity 06.08.23, W=125. Sunspot groups 3394 and 3386 (far right corner). Full disk image through a 102 mm Maksutov telescope with ZWB3 UV-pass filter: ISO 1600, 400-frame video, 1/60 s; Close-up images of sunspot groups through a 127 mm Maksutov telescope with LBH3 filter: ISO 800, 600-frame video, 1/320 s.
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