Event JSON
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"created_at": 1727646457,
"kind": 1,
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"content": "Comet C/2023 A3 over Donner Lake in the Sierra this morning. 90mm, f/2.8, 0.8\", ISO800. Sadly, my longer lenses are f/4s. Image is cropped in \u0026 I used some masking in Darktable to bring out the comet \u0026 its tail, which, enlarged on my desktop, extends nearly to the top of frame! I was unable to see it with my unaided eye. Better images show an anti-tail has developed. A3 will be much closer to Earth at 0.472 AU on Oct. 12. I expect it to be bigger \u0026 brighter! nostr:npub1huv80fcn7s3uc6calv5wnkt9f48nah38vg9qlkctm07ul24jz6zqqchxlv #AstroPhotography #Comet\n\nhttps://cdn.fosstodon.org/media_attachments/files/113/222/986/635/841/212/original/28e1b48f65be66bf.jpg",
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}