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Michael A. Stecker
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James Foster's photos of
Comet C/2023 A3 Tsuchinshan-ATLAS -- October 19,
2024
 Comet C/2023 A3 Tsuchinshan-ATLAS -- October 19, 2024 Here is my friend James Foster's photo of Comet C/2023 A3 Tsuchinshan-ATLAS taken on the evening of October 19, 2024 PST (20 Oct 2024 UT) from Frazier Park California. He used my Askar 103 APO refractor reduced to f/4 with a ZWO ASI6200MC-Pro color astro-camera. The exposure was 20 sec X 37 (12 minutes) while guiding on the comet's head. file: C2023A3JRFfullres-Askarf410192024-a3sm.jpg The comet is thought to be traveling at 180,000 miles per hour with a tail length of 600,000 miles when close to earth in October, 2024. Click here for full resolution photo Photographic Data Date: October 19, 2024 PST (20 Oct 2024 UT) after sunset Photographed from Frazier Park, California Telescope: Askar 103APO triplet refractor Aperture: 103 mm (4-inches) Focal Ratio with 0.6X reducer: f/4 Focal Length: 412 mm Camera: ZWO ASI6200MC-Pro cooled color astro-camera Exposure: 20 seconds X 37 (12 minutes) while guiding on the comet's head Site: Pinion Pines Estates (Frazier Park California) Bortle 4 Elevation: 5,500 ft |
James Foster's photos of
Comet C/2023 A3 Tsuchinshan-ATLAS -- October 15,
2024
 Comet C/2023 A3 Tsuchinshan-ATLAS -- October 15, 2024 Here is my friend James Foster's photo of comet C/2023 A3 Tsuchinshan–ATLAS on October 15, 2024 PST (16 Oct 2024 UT) shot from Southern California. He used my Askar 103 APO triplet refractor focally reduced to f/4 (FL= 412 mm), exposing for 20 sec X 29 (9.6 min) with a ZWO ASI 6200MC-Pro color astro-camera. The yellow & light blue colors of the comet's head and tail are seen, as well as a prominent anti-tail seen forward toward the sun. file: C2023A3JRF-Askarf4-10152024-1a2sm.jpg Click here for full resolution photo Photographed from Pinion Pines Estates, California |
