Comet C/2023 A3 Tsuchinshan-ATLAS: an image – 7 June 2023

We spotted again comet C/2023 A3 Tsuchinshan-ATLAS, hopefully becoming a bright one late next year. Here it is our image from last night.

Comet C/2023 A3 Tsuchinshan-ATLAS: 7 June 2023.

Comet C/2023 A3 Tsuchinshan-ATLAS: 7 June 2023.

The image above comes from the average of five, 180-second exposures, unfiltered, remotely taken with the Celestron C14+Paramount ME+SBIG ST8-XME robotic unit available as part of the Virtual Telescope Project. In the image, sporting a scale of 0.75″/pixel, the comet  clearly looks diffuse, with an evident coma elongated in the East-South-East direction. We measured it as bright as mag. 15.9 (unfiltered, R-mags for the reference stars from the Gaia DR2 star catalogue).

Comet C/2023 A3 was discovered on 9 Jan. 2023. Since it was announced, it was clear that this icy world might reach naked eye visibility late in Sept. 2024, with chances to be remarkable.

We will keep an eye and it and will schedule a live feed in due time.

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