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: 0804+28 YZ CNC 1508+23 NY SER No. 1153 1317-41 V803 CEN April 30, 2003 ---------------------------------------------------------------------------- 0804+28 YZ CANCRI The dwarf nova type (SU UMA subclass) cataclysmic variable YZ CNC is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials APR 29.0986 14.0 CGF APR 30.0674 11.4 TSC APR 29.2569 14.0 RR APR 30.0770 12.18 CCDV ZRE APR 29.3830 <13.4 SRX APR 30.1160 12.3 CGF ---------------------------------------------------------------------------- 1317-41 V803 CENTAURI The cataclysmic variable V803 CEN appears to be brightening, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials APR 29.4270 <15.0 SRX APR 30.3792 13.9 LMK APR 29.4333 <14.3 LMK ---------------------------------------------------------------------------- 1508+23 NY SERPENTIS The dwarf nova type (SU UMA subclass) cataclysmic variable NY SER appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials APR 28.3300 <17.0 CCDV JM APR 30.3660 14.5 LMK APR 28.9530 <15.5 PYG ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: CGF - G. CHAPLE JR., USA RR - R. ROYER, USA JM - R. JAMES, USA SRX - R. STUBBINGS, AUSTRALIA LMK - M. LINNOLT, USA TSC - S. TRACY, USA PYG - G. POYNER, ENGLAND ZRE - R. ZISSELL, 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! ____________________________________________________________________________