RXJ0944.5+0357 outburst The report of confirmation of a new UG star (13.2-16.3V). As reported by T. Watanabe-san, the ROSAT-selected cataclysmic variable RX J0944.5+0357 is seen first time in outburst. The observation seems to establish its dwarf nova nature. The object has been monitored since 1999 March, yielding no other outburst (typical limiting magnitude 13.5). YYYYMMDD(UT) mag observer 20001208.766 <134 (H. Maehara) 20001223.667 <142 (T. Watanabe) 20001225.746 <138 (H. Maehara) 20001227.815 <141 (H. Maehara) 20010104.740 132 (T. Watanabe) The CV is listed in New CVs from "The Hamburg/RASS Catalogue of Optical Identifications". The quiescnet magnitude is 16.3. (see also [vsnet 1361]) RXJ0944.5+0357 = 094431.8 +035806 (2000.0) 16.3 CV = USNO0900.06535704 094431.762 +035806.09 (2000.0) 15.3 17.0