UGSU-type Dwarf Nova HT Cas is an eclipsing binary system consisting of white-dwarf and a star which is smaller than the Sun. Binary system has a period of 106 minutes and each eclipse lasts just about 12 minutes. Infrequently-outbursting system came back to the scene on November 2, 2010. Below are observations carried out in Green Island Observatory.

Observations on November 3, 2010. Resolution: 94 sec. Filter: V