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The coma glows green from diatomic carbon (C2) emission, while the blue ion and white dust tails nearly overlap on October 19th. Image details: ASA Astrograph 12-inch, f/3.6 and ZWO ASI 6200MM Pro camera Gerald Rhemann Comet Tsuchinshan-ATLAS has been wonderful. I’ve rarely seen so much interest in a comet, with first-time skywatchers getting such […]
Comet Tsuchinshan-ATLAS (C/2023 A3) was a beautiful naked-eye and binocular sight at dusk on October 13th from near McGregor, Minnesota, about 90 minutes after sundown. The tail extended 7° in binoculars and 5° with the naked eye — even in bright moonlight! A faint segment of the antitail glows pink below and right of the […]
This spectacular close-up of Comet Tsuchinshan-ATLAS was made on Sept. 30th from Namibia with an ASA 12″ f/3.6 Astrograph. The comet exhibits a prominent dust tail, a blue gas tail, and what appears to be the beginnings of an anti-tail (at top).Gerald Rhemann, Michael Jäger & Denis Möller I’m mostly a nighttime observer, but Comet […]