NEOWISE's ion tail
Taken by Petr Horálek on July 14, 2020 @
Jablonné nad Orlicí
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How long is comet NEOWISE's ion (blue) tail? I tried some deep imaging last night 13/14 July and was truly surprised: After some processing the structures were out of the field of view of my 50mm lens, despite light pollution over Suchý Vrch, Czech Republic and also bright sky due to moonlight. Well, this comet is truly full of surprises! Canon 6D modified, Sigma 50mm, f2.2, ISO 1250, 11x60s comet (tracked with Vixen Polarie) plus 3x60s foreground.
Photographer's website:
https://www.astronom.cz/horalek/?p=6546
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