Possible superoutburst of V660 Her: YYYYMMDD(UT) mag observer 20090801.124 <152 (Mike Simonsen) 20090801.976 <152 (Gary Poyner) 20090804.074 <16.92V (Miguel Rodriguez) 20090805.1387 <14.50V (ASAS (Pojmanski, G. 2002, Acta Astron. 52,397)) 20090806.049 14.60V (Miguel Rodriguez)