Supernova SN 2021do in NGC 3147 galaxy: an image – 11 Feb. 2021

We observed supernova SN 2021do in the spiral galaxy NGC 3147, as part of our supernova follow-up program: here it is our image.

Supernova SN 2021do in NGC 3147 galaxy: 11 Feb. 2021.

Supernova SN 2021do in NGC 3147 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 3147, placed at about 120 millions of light years from us. As for the supernova, we estimated SN 2021do as bright as mag. 17.2 (unfiltered, R-mags for the reference stars from the Gaia DR2 star catalogue). This transient was discovered on 2 Jan. 2021 by the Zwicky Transient Facility (ZTF)  survey and it is a type Ic supernova. This is the 5th supernova detected in this galaxy.

Further observations will follow, weather permitting.

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