. Bright Supernovae - 2015 . This data comes from IAU Circulars and occasionally more data will be provided on IAU 's Astronomical Headlines page. An archive of the 2015 updates to this page is available. This is a partial list of the SN discovered in 2015. Since 2015 is still ongoing, please look at the main page for the latest data. In previous years I tried to keep the yearly archive alphabetically sorted by CBAT supernova name. Since that is no longer applicable, I am sorting this archive by "first