NY Ser likely superoutburst The SU UMa-type dwarf nova in the period gap (PG 1510+234) is apparently undergoing a superoutburst. For details, see previous article (vsnet-alert 2958 and 2959). http://vsnet.kusastro.kyoto-u.ac.jp/vsnet/Mail/vsnet-alert/msg02959.html YYMMDD(UT) mag observer 990526.958 <147 (G. Poyner) 990604.974 <153 (G. Poyner) 990607.972 <153 (G. Poyner) 990608.969 154 (G. Poyner) 990609.972 <147 (G. Poyner) 990612.992 <147 (G. Poyner) 990614.971 145 (G. Poyner) 990615.060 144 (G. Poyner)