Supernova SN 2021pfs in NGC 5427 galaxy: an image – 4 July 2021.

We observed supernova SN 2021pfs in the NGC 5427 spiral galaxy, as part of our supernova follow-up program: here it is our image.

Supernova SN 2021pfs in NGC 5427 galaxy: 4 July 2021.

Supernova SN 2021pfs in NGC 5427 galaxy: 4 July 2021.

The image above comes from the average of five, 120-second 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 galaxy is NGC 5427. With its companion (NGC 5426, on its left), they form the Arp 271 interacting couple and are placed at about 120 millions of light years from us. As for the supernova, we estimated SN 2021pfs as bright as mag. 14.3 (unfiltered, R-mags for the reference stars from the Gaia DR2 star catalogue). This transient was discovered on 9 June 2021 by the and it is a type Ia supernova.

Further observations will follow, weather permitting.

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