The supernova PSN J22412689+3917220 in UGC 12156 was imaged as part of the Virtual Telescope’s supernova follow-up program.
The image above comes from the average of four, 120-seconds exposures, unfiltered, remotely collected with the PlaneWave 17″+Paramount ME+SBIG STL-6303E robotic unit part of the Virtual Telescope Project. The supernova was estimated at mag. 17.2 (R mags for the reference stars from UCAC-4). Spectroscopy showed this transient is a sub-luminous type-Ia supernova.
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