NGC 5157 and supernova SN 2020ees: a image – 25 Mar. 2020
We captured supernova SN 2020ees and its host galaxy NGC 5157, as part of our supernova follow-up program, with a number of other galaxies all around. Enjoy our cosmic postcard.
The image above comes from the average of twelve, 300-seconds exposures, unfiltered, remotely taken with “Elena” (PlaneWave 17″+Paramount ME+SBIG STL-6303E) robotic unit available at Virtual Telescope. SN 2020ees is indicated by an arrow in the upper left insert.
The host spiral galaxy, NGC 5157, is placed at about 400 millions of light years from us and it shows a clear barred structure. As for the supernova, we estimated SN 2020ees as bright as mag. 16.3 (unfiltered, R-mags for the reference stars from the Gaia DR1 star catalogue). This transient was discovered on 5 Mar. 2020 by the Asteroid Terrestrial-impact Last Alert System (ATLAS) group and it is a type Ia supernova.
As you can see, there are many more galaxies all around: on the top, we see the edge-on galaxy NGC 5166, placed at about 200 millions of light years from us; on the bottom right, we see the spiral galaxy PGC 47093, at about 250 million so flight years from our Earth. But many, many small galaxies are there, visible as fuzzy spots of light, more or less evident.
Further observations ill follow, weather permitting.
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