Superova SN 2009bw is very dim. Posted September 7th, 2009 by Harri Haukka & filed under Supernovae. Superova SN 2009bw is very dim, about 17.5CR magnitudes. This photograph was taken by Markku Nissinen and Veli-Pekka Hentunen 19.8.2009. You can compare the brightness change in the second picture. « Previous Post Next Post »