Supernova ASASSN-14lp in NGC 4666: an image (21 Dec. 2014)
Supernova ASASSN-14lp in NGC 4666: 21 Dec. 2014
On 9 Dec. 2014 the All Sky Automated Survey for SuperNovae (ASAS-SN), using data from the quadruple 14-cm “Brutus” telescope in Haleakala, detected a probable supernova in NGC 4666. This transient was designed ASASSN-14lp. Later, it was spectroscopically confirmed to be a type Ia supernova, a few days before maximum of light.
On 21 Dec., at Virtual Telescope we visited this transient, finding it quite bright. The picture above comes from the average of two, 120-seconds exposures, remotely collected with the PlaneWave 17″+Paramount ME+SBIG STL-6303E robotic unit part of the Virtual Telescope Project. The source was at less than 20 deg above the eastern horizon. The transient was estimated at mag. 12.6 (R mags for the reference stars from UCAC-4), much brighter than at the discovery time (mag. 14.3).
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