APOD: Massive Nearby Spiral Galaxy NGC 2841 (2021 Jan 24)
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montylc2001
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Re: APOD: Massive Nearby Spiral Galaxy NGC 2841 (2021 Jan 24)
What is the black dot located lower left in the core area? It's not present in other images, and does not seem to be a camera artifact or other processing artifact.
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johnnydeep
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Re: APOD: Massive Nearby Spiral Galaxy NGC 2841 (2021 Jan 24)
Read the previous responses by Chris Peterson. It’s almost certainly a processing artifact.montylc2001 wrote: ↑Sun Jan 24, 2021 9:45 pm What is the black dot located lower left in the core area? It's not present in other images, and does not seem to be a camera artifact or other processing artifact.
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Re: APOD: Massive Nearby Spiral Galaxy NGC 2841 (2021 Jan 24)
Also seen in this APOD (with an expanded view) are two streaks from moving objects, possibly one of a satellite and one a small meteor, see lower far left and upper far right of the galaxy ring.