. Bright Supernovae - 2009 . This data comes from IAU Circulars and occasionally more data will be provided on IAU 's Astronomical Headlines page. An archive of the 2009 updates to this page is available. This is a list of the supernovae discovered in 2009. For supernovae which are still visible, please look at the main page for the latest data. Note that Extra galactic Novae have been moved to a special Extra galactic novae page . For more information, you can look at the following Supernova Catalogs: .