THE ASTRONOMER Electronic Circular No 718 1993 Mar 22 21.09UT Ed:Guy M Hurst, 16,Westminster Close, Kempshott Rise, Basingstoke, Hants, RG22 4PP,England. Telephone/FAX(0256)471074 Int:+44256471074 TELEX: 9312111261 Answerback: TA G TELECOM GOLD: 10074:MIK2885 GMH at UK.AC.RUTHERFORD.STARLINK.ASTROPHYSICS STARLINK: RLSAC::GMH GMH at UK.AC.CAM.ASTRONOMY.STARLINK STARLINK: CAVAD::GMH ------------------------------------------------------------------- U GEMINORUM Janet Mattei, AAVSO provides details of the current outburst of this star: Mar 9.1090 UT 14.3 (G. Poyner, Birmingham, England) 10.7743 <13.8 (R. Royer, Lakewood, CA) 11.8410 14.1 (Poyner) 12.0299 14.6 (J. Bortle, Stormville, NY) 13.3194 <13.8 (Royer) 15.2083 <13.8 (Royer) 16.7799 14.4 (R. Fidrich, Ibafa, Hungary) 18.8111 13.5 (Fidrich) 18.8403 13.3 (Poyner) 18.8799 13.5 (M. Poxon, Norwich, England) 18.903 <13.5 (M. Kohl, Wald, Switzerland) 19.0139 13.2 (G. Dyck, Assonet, MA) 19.0278 13.2 (B. Stewart, Rochelle Park, NJ) 19.0382 13.4 (D. Taylor, Windsor, Ontario) 19.0438 13.5 (Bortle) 19.0597 13.3 (Stewart) 19.0715 13.4 (Bortle) 19.0951 13.2 (D. York, Abiquiu, NM) 19.122 13.5 (C. Scovil, Stamford, CT) 19.125 13.3 (Stewart) 19.125 13.2 (York) 19.1285 13.1 (Royer) 19.158 13.3 (Scovil) 19.1604 12.9 (York) 19.1681 13.1 (Stewart) 19.1826 13.0 (Stewart) 19.2049 12.9 (Stewart) 19.2396 12.7 (Stewart) 19.3160 11.2 (Royer) 19.5368 11.1 (Royer) 19.712 9.0 (O. Gabzo, Kibbutz Sheffagim, Israel) 19.715 9.1 (O. Shemer, Ra'anana, Israel) 19.758 9.0 (R. Szabo, Budapest, Hungary) 19.760 9.5 (Fidrich) 19.781 9.6 (F. Van Loo, Genk, Belgium) 19.792 9.1 (P. Van Cauteren, Aartselaar, Belgium) 19.793 9.1 (T. Vanmunster, Landen, Belgium) 19.822 9.5 (K. Medway, Southampton, Hampshire, England) 19.847 8.8 (Kohl) The last outburst of U Gem was in August 1992, when it reached magnitude 9.3 on August 30, and was brighter than magnitude 11 for 12 days. U Gem has been monitored extremely closely since, and no outburst activity has been recorded. This interval of 202 days between this and the previous outburst is one of the longest on record. DI URSAE MAJORIS Gary Poyner, Birmingham, has observed this star on Mar 22.868UT at magnitude 15.4, class 2. TA MARCH ISSUE This issue was despatched this morning.