CI UMa possible superoutburst The SU UMa-type dwarf nova CI UMa is undergoing a bright outburst (likely superoutburst). The latest superoutburst of CI UMa was observed in 1999 July (mv=14.0). YYYYMMDD(UT) mag observer 20000318.887 <141 (G. Poyner) 20000321.906 <141 (G. Poyner) 20000324.874 <153 (G. Poyner) 20000325.903 <153 (G. Poyner) 20000326.915 <141 (E. Muyllaert) 20000327.949 <153 (T. Kinnunen) 20000328.922 <153 (G. Poyner) 20000330.819 146 (T. Kinnunen) 20000401.574 142 (H. Itoh)