IY UMa eclipse The analysis of the data submitted to the VSNET collabioration team on the current outburst of IY UMa = TmzV85 has firmly revealed that eclipses occur 7 minutes earlier than the prediction in [vsnet-alert 4647]. Please make this correction before scheduling your observation. More details will be presented later today. Regards, on behalf of the VSNET collaboration team, Makoto Uemura, Taichi Kato, Rudolf Novak