Supernova SN 2014dt in Messier 61: a new image (14 Apr. 2015)
After almost four month since our last observation, at Virtual Telescope we observed again supernova SN 2014dt in Messier 61. Discovered late in Oct. 2014, this supernova was still visible there, of course much fainter.
The picture above from the average of two, 300-seconds exposures, remotely collected with the PlaneWave 17″+Paramount ME+SBIG STL-6303E robotic unit part of the Virtual Telescope Project. The object was estimated at mag. 17.4 (R mags for the reference stars from UCAC-4), almost 4.4 magnitudes fainter than on 31 Oct. 2014, soon after the discovery.
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