PSN J23101271+3034426 20120921.873 17.5Rc MMA HS2219+1824 20120921.865 12.4V MMA #Observer: Massimiliano Martignoni (MMA) #Observatory: Stazione Astronomica Betelgeuse (B75), Magnago, Italy #Telescope: Schmidt-Cassegrain 0.25m-f/10.0 #CCD: KAF0261E