GY Cnc = RX J0909.8+1849 outburst! The deeply eclipsing SS Cyg-type dwarf nova GY Cnc = RX J0909.8+1849 = HS 0907+1902 is undergoing an outburst. The dwarf nova has an orbital period of 4.2 hr. Observations to follow the eclipses (hopefully full orbital cycles) are strongly encouraged. Since the ephemeris is uncertain, we don't post eclipse predictions at this time. Please report any hint of eclipses (either visual observations or with other instruments) as soon as possible! YYYYMMDD(UT) mag observer 20011023.990 <140 (Timo Kinnunen) 20011114.212 <138 (Eddy Muyllaert) 20011123.220 120 (Jean Gunther) 20011123.260 120 (Eric Morillon)