{"id":22771,"date":"2021-06-17T15:25:35","date_gmt":"2021-06-17T14:25:35","guid":{"rendered":"https:\/\/www.petrhoralek.com\/?p=22771"},"modified":"2021-06-17T15:33:28","modified_gmt":"2021-06-17T14:33:28","slug":"nova-in-hercules-2021","status":"publish","type":"post","link":"https:\/\/www.petrhoralek.com\/?p=22771","title":{"rendered":"Nova in Hercules 2021"},"content":{"rendered":"
\"Nova<\/a>

Nova in Hercules 2021 – Annotated<\/p><\/div>\n

A 3 days ago, on 14th June 2021, a new star of 6th magnitude (on the threshold of naked-eye visibility) appeared of at the edge of the Hercules constellation, between stars Epsilon and 111 nearby Aquila. In fact, not quite new, but pretty interesting nova<\/a>. Novae are short-lived outbursts from aged binary star systems in which gas piles up onto a white dwarf from a companion star, igniting a thermonuclear reaction on the white dwarf and an explosion on its surface that is violent enough to be seen across the Galaxy. We see the sudden appearance of a \u2018new\u2019 (nova is Latin for \u2018new\u2019) star. At the moment, the star dims back under the threshold of 8th magnitude. Observed on 16th June 2021 from Se\u010d, Czech Republic. Used Canon 6D modified, Canon 50mm, f3.5, ISO 2000, 53×45 seconds (stacked, darkframes applied); inset captured with Tamron 70-200mm@200mm, f3.5, ISO 2000, 21x30s. Captured from the tripod and Vixen U mount<\/a>. <\/p>\n

\"Nova<\/a>

Nova in Hercules 2021 – Detail<\/p><\/div>\n

\"Nova<\/a>

Nova in Hercules 2021<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

A 3 days ago, on 14th June 2021, a new star of 6th magnitude (on the threshold of naked-eye visibility) appeared of at the edge of the Hercules constellation, between stars Epsilon and 111 nearby Aquila. In fact, not quite new, but pretty interesting nova. Novae are short-lived outbursts from aged binary star systems in…
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