SN 2012dg 20120703.934 16.7Rc M.Martignoni MASTER OT J211258.65+242145.4 20120703.977 14.8V M.Martignoni Mis V1448 20120703.965 14.4V M.Martignoni #Observer: Massimiliano Martignoni (MMN) #Observatory: Stazione Astronomica Betelgeuse (B75), Magnago, Italy #Telescope: Schmidt-Cassegrain 0.25m-f/10.0 #CCD: KAF0261E