Observatoriya Astrovetkino Kalujskaya Oblast, Russia
Jan 6th, 2024
897
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Sunspot Group No. 3391, TAL-250K telescope, prime focus 2150 mm, AstroSolar Photo aperture filter + SolarContinuum, ASI ZWO178mm camera, 100% scale from original, crop. The seeing conditions during imaging were approximately 1-2 on the Köppenheuer scale.
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