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: 0749+22 U GEM 1102-55 V342 CEN No. 971 0822+25 AT CNC 1521+08 QW SER May 29, 2002 ---------------------------------------------------------------------------- 0749+22 U GEMINORUM The dwarf nova type (SS CYG subclass) cataclysmic variable U GEM is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAY 20.8564 14.31 CCD DRG MAY 29.0451 9.2: STI MAY 24.3790 <12.0 SRX MAY 29.1000 9.3 KMA MAY 27.1000 10.5 KMA MAY 29.2674 9.2 LMK MAY 28.0514 9.1 STI ---------------------------------------------------------------------------- 0822+25 AT CANCRI The dwarf nova type (Z CAM subclass) cataclysmic variable AT CNC appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAY 20.8618 14.98 CCD DRG MAY 25.3890 <13.0 SRX MAY 24.3760 <13.0 SRX MAY 29.3610 13.0 SRX ---------------------------------------------------------------------------- 1102-55 V342 CENTAURI The dwarf nova type cataclysmic variable V342 CEN may be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAY 19.5690 <14.8 PEX MAY 29.3920 14.7 SRX MAY 29.3830 14.7 SRX ---------------------------------------------------------------------------- 1521+08 QW SERPENTIS The dwarf nova type (SU UMA subclass) cataclysmic variable QW SER is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAY 28.3326 <13.5 LMK MAY 29.4100 13.2 SRX MAY 28.5240 <13.4 SRX MAY 29.4260 13.2 SRX MAY 29.2972 13.7 LMK MAY 29.4271 13.0 LMK ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: DRG - R. DIETHELM, SWITZERLAND PEX - A. PEARCE, AUSTRALIA KMA - M. KOMOROUS, CANADA SRX - R. STUBBINGS, AUSTRALIA LMK - M. LINNOLT, USA STI - P. STEFFEY, USA 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! ____________________________________________________________________________