Supernova SN 2021bbm in NGC 2959 galaxy: an image – 11 Feb. 2021

We observed supernova SN 2021bbm in the intermediate spiral galaxy NGC 2959, as part of our supernova follow-up program: here it is our image.

Supernova SN 2021bbm in NGC 2959 galaxy: 11 Feb. 2021.

Supernova SN 2021bbm in NGC 2959 galaxy: 11 Feb. 2021.

The image above comes from the average of five, 120-seconds exposures, unfiltered, remotely taken with the “Elena” (PlaneWave 17″+Paramount ME+SBIG STL-6303E) robotic unit available as part of the Virtual Telescope Project. The supernova is indicated by an arrow in the upper left inset.

The host spiral galaxy is NGC 2959, an intermediate spiral galaxy and it is placed at about 200 millions of light years from us. As for the supernova, we estimated SN 2021bbm as bright as mag. 16.6 (unfiltered, R-mags for the reference stars from the Gaia DR2 star catalogue). This transient was discovered on 24 Jan. 2021 by the ATLAS survey and it is a type II supernova.

Further observations will follow, weather permitting.

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