PU CMa: rapid fading between May 30-31 Dear Colleagues, We have received new data (three nights) of PU CMa from Berto Monard. The star entered the rapid decline phase on May 30, and faded by 2 mag on May 31. However, the superhumps (late superhumps?) still prominently persist even on June 1. The object is still bright enough for detailed time-resolve photometry. As many of you know, such short-period systems tend to display unusual features (most notably rebrightenings) at this post-superoutburst phase. Please keep observing as long as possible! Regards, Taichi Kato VSNET Collaboration team
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