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: 1848+26 CY LYR 1934+30 EM CYG No. 1175 1925+42 V1504 CYG June 13, 2003 ---------------------------------------------------------------------------- 1848+26 CY LYRAE The dwarf nova type cataclysmic variable CY LYR appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUN 10.2440 17.70 CCDV ZRE JUN 13.0360 14.4 PYG JUN 10.2590 <14.4 TDB JUN 13.3750 13.6 LMK JUN 10.9757 <13.6 GCO JUN 13.4674 13.7 LMK JUN 12.4125 <14.2 LMK ---------------------------------------------------------------------------- 1925+42 V1504 CYGNI The dwarf nova type (SU UMA subclass) cataclysmic variable V1504 CYG may be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUN 04.5139 <15.4 LMK JUN 12.4396 <14.6 LMK JUN 07.0868 <14.5 GCO JUN 13.0460 14.5 PYG JUN 11.4646 <14.7 LMK ---------------------------------------------------------------------------- 1934+30 EM CYGNI The dwarf nova type (Z CAM subclass) cataclysmic variable EM CYG may be brightening, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUN 12.4333 13.8 LMK JUN 13.0590 13.0 PYG JUN 13.0542 13.7: SUI ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: GCO - C. GUALDONI, ITALY SUI - R. SMITH, ENGLAND LMK - M. LINNOLT, USA TDB - D. TAYLOR, CANADA 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! Gamze Menali, Technical Assistant on behalf of Janet A. Mattei, Director ____________________________________________________________________________ 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! ____________________________________________________________________________