Astronomy Photographer of the Year 2019

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Vergrößern Bild: © Matúš Motlo (Slovakia)

"AR 12699 Sunspot"

(Celestron C9.25 235 mm Schmidt-Cassegrain reflecting telescope at f/10, Baader AstroSolar filter, Sky-Watcher HEQ-5 Pro mount, ZWO ASI224MC camera, multiple stacked exposures)