NOVA M31 2009-10b 20091018.941 15.03R MMN NOVA M31 2009-10b 20091019.881 15.69R MMN #Observer: Massimiliano Martignoni (MMN), Magnago, Milano, Italy #Telescope: Schmidt-Cassegrain 0.20m-f/10.0 #CCD: KAF0401E