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Astro Bob

Wee Hours Adventure — Last Night’s Aurora And More To Come

28 Sep 2019, 15:21 UTC
Wee Hours Adventure — Last Night’s Aurora And More To Come
(200 words excerpt, click title or image to see full post)

At the appointed time of 10:30 p.m. (CDT) last night (Sept. 27) the aurora made a ghostly appearance low in the northern sky. A series of faint plumes faded in and out of view but they were only visible from dark, rural skies. Bob King
True to form the aurora played the trickster last night. When we expected a G2 moderate storm, we saw instead a faint though beautiful series of feathery plumes across the northern sky. By 11 p.m. they had all but disappeared, so I drove further north to do some telescopic observing and wide-field photography.
Green and purple rays pierce the clouds around 1:45 this morning. Also visible are bright patches and the Big Dipper (center and right). It was a fairly bright, easy-to-see display but it all occurred within about 25° of the horizon. Details: ISO 2500, 25 second exposure, f/2.8 and 20mm lens. Bob King
About 1:15 a.m. the northern horizon began to brighten up again. Sensing another wave of auroral excitement in the offing I packed up and drove to a site with a great view of the northern sky. This time the aurora put some heart into it. Swirls of silhouetted clouds added ...

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