Via Flickr:
This object is believed to be a bright nova instead of a subluminous supernova.
The two galaxies (NGC 4490 near middle and NGC 4485 above it) are together known as Arp 269.
Comparison stars are V magnitudes derived from SDSS data.
SDSS J123013.57+413558.9 = 15.62
SDSS J123102.11+413532.1 =16.50
Thursday, 25 August 2011
PSN J12304185+4137498 in NGC4490
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