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: 0725-19 CL PUP 1805-14 UZ SER No. 1138 0803+62 SU UMA 1830-37 BP CRA April 4, 2003 0945+12 X LEO 1957-70 GS PAV 1657-36 V601 SCO ---------------------------------------------------------------------------- 0725-19 CL PUPPIS The variable CL PUP appears to be brightening, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 31.0514 <17.7 CCDV ARJ APR 03.4290 <14.7 SRX APR 02.5480 <14.6 SRX APR 04.4240 14.5 SRX ---------------------------------------------------------------------------- 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 APR 02.9230 15.0 PYG APR 03.9264 13.1 OJR APR 03.8194 <13.9 VJA ---------------------------------------------------------------------------- 0945+12 X LEONIS The dwarf nova type cataclysmic variable X LEO appears to be brightening, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials APR 02.1993 16.30 CCDV GKA APR 03.9118 <14.2 OJR APR 02.9170 <15.6 PYG APR 04.3201 <14.4 LMK APR 03.3354 <15.0 LMK APR 04.4330 15.1 SRX APR 03.4200 <14.6 SRX ---------------------------------------------------------------------------- 1657-36 V601 SCORPII The dwarf nova type cataclysmic variable V601 SCO appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials APR 02.5930 <14.6 SRX APR 04.7030 14.6 SRX APR 04.5260 14.6 SRX ---------------------------------------------------------------------------- 1805-14 UZ SERPENTIS The dwarf nova type (possible Z CAM subclass) cataclysmic variable UZ SER appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 26.4170 <16.0 CCDV JM MAR 31.6520 13.2 SRX MAR 27.6670 <14.0 SRX APR 04.6400 13.0 SRX MAR 30.6230 <14.0 SRX ---------------------------------------------------------------------------- 1830-37 BP CORONAE AUSTRINAE The dwarf nova type (Z CAM subclass) cataclysmic variable BP CRA appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 31.6440 <14.4 SRX APR 04.6310 14.0 SRX APR 02.5880 <14.2 SRX APR 04.6640 14.0 SRX ---------------------------------------------------------------------------- 1957-70 GS PAVONIS The cataclysmic variable GS PAV appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 31.6670 <15.0 SRX APR 04.6610 15.0 SRX ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: ARJ - J. ARNOLD, USA OJR - J. OSORIO, SPAIN GKA - K. GRAHAM, USA PYG - G. POYNER, ENGLAND JM - R. JAMES, USA SRX - R. STUBBINGS, AUSTRALIA LMK - M. LINNOLT, USA VJA - J. VIRTANEN, FINLAND 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! ____________________________________________________________________________