Supernova SN 2009bw has got dimmer. Posted April 26th, 2009 by Harri Haukka & filed under Supernovae. The supernova SN 2009bw that was discovered at THO is getting dimmer. At the moment of the photographing (22/23.4.2009) it had a brightness of 15,0R magnitudes. Observers: Markku Nissinen and Esa Heikkinen. « Previous Post Next Post »