THE AMERICAN ASSOCIATION OF VARIABLE STAR OBSERVERS 25 Birch Street, Cambridge, MA 02138 USA Tel. 617-354-0484 Fax 617-354-0665 http://www.aavso.org * * * AAVSO NEWS FLASH * * * Subject: 0803+62 SU UMA 0945+12 X LEO No. 1159 0905+51 DI UMA May 13, 2003 ---------------------------------------------------------------------------- 0803+62 SU URSAE MAJORIS The dwarf nova type (SU UMA subclass prototype) cataclysmic variable SU UMA appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAY 11.9230 14.7 PYG MAY 12.9170 13.5 PYG MAY 12.8889 <13.4 OJR ---------------------------------------------------------------------------- 0905+51 DI URSAE MAJORIS The dwarf nova type cataclysmic variable DI UMA may be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAY 06.8500 18.53 CCDV VST MAY 12.9260 15.4: PYG MAY 11.9320 <15.3 PYG ---------------------------------------------------------------------------- 0945+12 X LEONIS The dwarf nova type cataclysmic variable X LEO is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAY 12.2014 14.7 CCDV RR MAY 13.1660 12.53 CCDV GKA MAY 12.4757 <12.4 MTH MAY 13.2188 12.2 CCDV RR MAY 12.8875 12.2 OJR MAY 13.2708 12.2 LMK MAY 12.9050 12.7 PYG ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: GKA - K. GRAHAM, USA PYG - G. POYNER, ENGLAND LMK - M. LINNOLT, USA RR - R. ROYER, USA MTH - H. MATSUYAMA, JAPAN VST - S. VALENTINI, ITALY OJR - J. OSORIO, SPAIN Please monitor these and other variable stars closely and phone-in, fax, or e-mail your observations to the AAVSO. Good observing! Janet A. Mattei, Director Rebecca Pellock, Technical Assistant ____________________________________________________________________________ Symbols may include: < = fainter than magnitude given (variable not seen) : = uncertain CCDV = Charge-coupled device with (V) filter If you would like to contribute to AAVSO NEWS FLASH, please send observations of unusual variable star activity to: observations@aavso.org Those who wish to subscribe (free of charge) or unsubscribe to NEWS FLASH may do so by visiting the following web page: http://www.aavso.org If you would like data from the AAVSO International Database for research purposes, please send your request to: Janet Mattei, AAVSO Director, at aavso@aavso.org An archive of past issues of the News Flash is available at the following web page: http://www.aavso.org/newsflash/ We look forward to including your observations in future editions of AAVSO NEWS FLASH! ____________________________________________________________________________