A magnitude 17.3, Type Ia supernova, PS1-1000023, was discovered by the Pan-STARRS1 Medium Deep Survey on the 12th February, 2010, in the galaxy MCG +10-15-120. The supernova is located 5.1" East and 1.5" South from the center of the galaxy.
Position (2000): RA = 10 42 41.89, Dec = +58°50'37".8 z=0.031