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Community photo entitled Comet Tsuchinshan-ATLAS (C/2023 A3) in late twilight by Bob Kelly on 10/15/2024 at Dobbs Ferry Waterfront Park, NY, USA

Comet Tsuchinshan-ATLAS (C/2023 A3) in late twilight

On 10/15/2024 07:30 pm by Bob Kelly| Dobbs Ferry Waterfront Park, NY, USA

Comet, to left of center, was visible to several observers to the unaided eye. Wonderful in phone cameras. Long exposure makes the scene look like daylight. 70 minutes after sunset, so a little moonlight and twilight. One aircraft trail, rest are stars. Zero magnitude Arcturus to the right. Hudson River in foreground. Much higher in the sky, up longer than Saturday night. A bit fainter, but easier to pick out in the twilight.

Canon XS on tripod with zoom lens at 18mm. F/7.1 for 30 seconds at ISO 400.

None.