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: 0006-12 WW CET 1848+26 CY LYR No. 1191 0130+50 KT PER 1907+28B V584 LYR July 7, 2003 0744-23 BV PUP 1925+42 V1504 CYG 0905+51 DI UMA 1934+30 EM CYG 0945+12 X LEO 1956+38 V337 CYG 1608-28 V893 SCO 2002+33 V1363 CYG 1617+19B V589 HER 2023+43 V503 CYG 1620-04 V699 OPH 2131+40 V630 CYG 1719-35 V478 SCO 2335+12 HX PEG 1805-14 UZ SER ---------------------------------------------------------------------------- 0006-12 WW CETI The dwarf nova type (possible Z CAM subclass) cataclysmic variable WW CET appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUN 25.4260 15.2 CCDV JM JUL 03.6010 <13.1 SRX JUN 26.6190 <13.4 SRX JUL 05.5563 13.8 LMK ---------------------------------------------------------------------------- 0130+50 KT PERSEI The dwarf nova type (Z CAM subclass) cataclysmic variable KT PER appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUN 23.3451 <14.5 SXN JUL 05.6014 12.3 LMK JUN 25.0639 <13.9 HHU ---------------------------------------------------------------------------- 0744-23 BV PUPPIS The dwarf nova type (SS CYG subclass) cataclysmic variable BV PUP appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUN 25.3570 <14.2 SRX JUL 03.3740 13.4 SRX JUN 28.3740 14.0 SRX ---------------------------------------------------------------------------- 0905+51 DI URSAE MAJORIS The dwarf nova type cataclysmic variable DI UMA appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUN 04.8868 <15.9 CCDV VST JUL 05.3028 14.7 LMK JUN 29.3021 <15.5 LMK ---------------------------------------------------------------------------- 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 JUN 29.2938 <15.1 LMK JUL 05.2764 12.3 LMK JUL 02.3780 <12.3 SRX JUL 06.3650 12.5 SRX JUL 03.3690 <12.3 SRX ---------------------------------------------------------------------------- 1608-28 V893 SCORPII The dwarf nova type cataclysmic variable V893 SCO appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUL 04.3347 14.2 LMK JUL 06.3990 12.4 SRX ---------------------------------------------------------------------------- 1617+19B V589 HERCULIS The dwarf nova type cataclysmic variable V589 HER is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUL 02.9437 <16.2 CCDV VST JUL 06.2396 <14.8 TDB JUL 02.9437 <16.2 CCDV VST JUL 06.2396 <14.8 TDB JUL 04.9410 14.5 GCO JUL 06.9618 <14.4 GCO JUL 04.9410 14.5 GCO JUL 06.9618 <14.4 GCO JUL 05.2040 14.9 CCD SPK JUL 07.0300 14.9: PYG JUL 05.2040 14.9 CCD SPK JUL 07.0300 14.9: PYG ---------------------------------------------------------------------------- 1620-04 V699 OPHIUCHI The dwarf nova type cataclysmic variable V699 OPH is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUN 28.1931 16.50 CCDV GKA JUL 03.4060 14.3 SRX JUN 28.2035 <15.2 TDB JUL 03.4240 14.3 SRX JUN 28.4330 <14.8 SRX JUL 03.5940 14.4 SRX JUL 01.2194 <14.7 TDB JUL 06.0153 <13.4 OJR JUL 01.4760 <14.6 SRX JUL 06.4160 14.4 SRX JUL 02.4170 <14.6 SRX JUL 07.1958 14.2 TDB ---------------------------------------------------------------------------- 1719-35 V478 SCORPII The dwarf nova type cataclysmic variable V478 SCO appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUL 03.4030 <15.0 SRX JUL 06.4030 14.8 SRX ---------------------------------------------------------------------------- 1805-14 UZ SERPENTIS The dwarf nova type (possible Z CAM subclass) cataclysmic variable UZ SER is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUL 02.1889 16.25 CCDV GKA JUL 04.3965 13.3 LMK JUL 02.4170 <14.0 SRX JUL 05.4514 12.7 LMK JUL 03.4120 <14.0 SRX JUL 06.4100 12.8 SRX JUL 04.3389 13.6 LMK JUL 06.9319 12.7 OJR ---------------------------------------------------------------------------- 1848+26 CY LYRAE The dwarf nova type cataclysmic variable CY LYR is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUL 06.3065 17.0 CCDV SDR JUL 06.9764 13.8 GCO JUL 06.8965 13.4 GUN JUL 07.0080 13.4 MGH JUL 06.9139 13.7 OJR ---------------------------------------------------------------------------- 1907+28B V584 LYRAE The dwarf nova type cataclysmic variable V584 LYR may be in outburst, as indicated by the following observation: AAVSO Observer UT Mag. Initials JUL 05.3240 17.0 CCD SPK ---------------------------------------------------------------------------- 1925+42 V1504 CYGNI The dwarf nova type (SU UMA subclass) cataclysmic variable V1504 CYG appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUL 05.5312 <16.8 LMK JUL 07.0042 15.3 GCO JUL 06.2257 <15.6 TDB ---------------------------------------------------------------------------- 1934+30 EM CYGNI The dwarf nova type (Z CAM subclass) cataclysmic variable EM CYG is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUL 04.3736 14.1 LMK JUL 06.0194 12.3 OJR JUL 04.3896 14.0 DLA JUL 06.2042 12.5 TDB JUL 04.9882 13.7 GCO JUL 06.9243 12.4 OJR JUL 05.1000 14.0 CGF JUL 06.9910 12.6 GCO JUL 05.9639 12.6 GCO ---------------------------------------------------------------------------- 1956+38 V337 CYGNI The dwarf nova type cataclysmic variable V337 CYG appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUL 05.3580 <18.0 CCD SPK JUL 07.3520 17.0 CCD SPK JUL 07.0069 <14.5 GCO ---------------------------------------------------------------------------- 2002+33 V1363 CYGNI The dwarf nova type (Z CAM subclass) cataclysmic variable V1363 CYG appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUN 25.2896 <15.6 SXN JUL 04.9972 15.0 GCO JUN 30.0035 <14.5 GCO JUL 07.0007 14.8 GCO JUL 01.9792 <14.5 GCO ---------------------------------------------------------------------------- 2023+43 V503 CYGNI The dwarf nova type (SU UMA subclass) cataclysmic variable V503 CYG is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUL 05.5514 <16.0 LMK JUL 06.9250 14.0 OJR JUL 06.0222 <14.2 OJR JUL 07.0139 14.2 GCO JUL 06.2188 14.4 TDB JUL 07.0220 14.0 MGH ---------------------------------------------------------------------------- 2131+40 V630 CYGNI The dwarf nova type (possible SU UMA subclass) cataclysmic variable V630 CYG may be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUN 25.2860 <17.0 CCDV JM JUL 07.0028 <14.9 GCO JUL 05.0521 14.8 GCO ---------------------------------------------------------------------------- 2335+12 HX PEGASI The dwarf nova type cataclysmic variable HX PEG appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUN 28.3056 <14.0 TDB JUL 05.5597 12.7 LMK ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: CGF - G. CHAPLE JR., USA OJR - J. OSORIO, SPAIN DLA - A. DILL, USA PYG - G. POYNER, ENGLAND GCO - C. GUALDONI, ITALY SDR - R. STEPHENS, USA GKA - K. GRAHAM, USA SPK - P. SCHMEER, GERMANY GUN - J. GUNTHER, FRANCE SRX - R. STUBBINGS, AUSTRALIA HHU - H. HAUTECLER, BELGIUM SXN - M. SIMONSEN, USA JM - R. JAMES, USA TDB - D. TAYLOR, CANADA LMK - M. LINNOLT, USA VST - S. VALENTINI, ITALY MGH - H. MCGEE, ENGLAND 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! ____________________________________________________________________________