QY Per revised superhump period Dear Colleagues, Based on all observations reported up to now (cf. vsnet-alert 3946), the best superhump period of QY Per has been determined to be 0.07861 day. Regards, Taichi Kato, Makoto Uemura, Gianluca Masi, Lew Cook, Katsura Matsumoto, Lasse Teist Jensen, Alessia Cassetti, Brian Martin, Tonny Vanmuster, Denis Buczynski : The VSNET QY Per collaboration team