Possible nova PNV J01335420+3026108 in Messier 33: an image (28 Dec. 2015)

Possible nova PNV J01335420+3026108 in Messier 33: an image (28 Dec. 2015)

Possible nova PNV J01335420+3026108 in Messier 33: an image (28 Dec. 2015)

A few days before the end of the year, on 27.9 Dec. 2015 E. Conseil reported the discovery of an optical transient, likely a nova, in the stunning Messier 33 spiral galaxy, the “Triangulum galaxy” (also known as NGC 598), one of the most famous deep sky objects (and closer galaxies to us). If confirmed (at the time of writing, no spectroscopy is available), it would be the second nova in M33 for 2015.

At Virtual Telescope, on 28 Dec. we confirmed this transient. The image above comes from the average of three, 300-seconds exposures, unfiltered, remotely collected with the  PlaneWave 17″+Paramount ME+SBIG STL-6303E robotic unit part of the Virtual Telescope Project. Binning 2×2, with a resulting scale of 1.2″/pixel. The sky was very hazy. The brightness of the transient was estimated at mag. 16.8 (R mags for the reference stars from UCAC-4).

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