Possible superoutburst of V1504 Cyg The SU UMa-type dwarf nova V1504 Cyg is undergoing a bright outburst as indicated by the following observations. YYMMDD(UT) mag observer 980717.994 <155 (G. Poyner) 980724.033 151 (G. Poyner) 980724.094 151 (G. Poyner) 980724.999 153 (G. Poyner) 980802.035 147 (G. Poyner) 980803.992 141 (G. Poyner) More information of this object is available from Nogami and Masuda's paper (IBVS 4532), also available at: http://ftp.kusastro.kyoto-u.ac.jp/pub/vsnet/preprints/V1504_Cyg Regards, Taichi Kato