V660 Her: June superoutburst
As reported by J. Pietz, the SU UMa-type dwarf nova V660 Her
occurred a superoutburst (14.34 mag) on 2 June, and he also detected
two humps with the amplitude of ~0.2 mag and the period of ~0.073 d
(vsnet-campaign 166).
It was on gradual fading but still bright on June 10 (15.1mag)
(vsnet-campaign 200).