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: 0207-63 WX HYI 1804+67 EX DRA No. 380 0445-76 TU MEN 2023+43 V503 CYG January 4, 1999 0547-05 CN ORI 2209+12 RU PEG 1552+72 SS UMI ---------------------------------------------------------------------------- 0207-63 WX HYDRI The dwarf nova type (SU UMA subclass) cataclysmic variable WX HYI appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JAN 03.4556 <14.0 SRX JAN 04.4917 12.4 SRX JAN 04.4583 12.5 SRX ---------------------------------------------------------------------------- 0445-76 TU MENSAE The dwarf nova type (SU UMA subclass) cataclysmic variable TU MEN is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials DEC 28.6979 <14.3 SRX JAN 02.5215 12.0 WPX DEC 29.47 <14.0 WPX JAN 02.5402 12.0 WPX DEC 31.4806 12.0 SRX JAN 02.5799 12.0 SRX DEC 31.5083 12.0 SRX JAN 03.4813 12.0 SRX JAN 01.4882 12.0 SRX JAN 04.4694 11.9 SRX JAN 02.5069 12.0 WPX ---------------------------------------------------------------------------- 0547-05 CN ORIONIS The dwarf nova type (Z CAM subclass) cataclysmic variable CN ORI is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials DEC 28.6583 14.6 SRX JAN 02.5889 12.6 SRX DEC 29.46 <13.3 WPX JAN 03.4868 12.5 SRX DEC 31.4868 12.7 SRX JAN 04.0222 12.0 DKS JAN 01.5028 12.6 SRX JAN 04.4854 12.6 SRX JAN 02.5243 12.7 WPX ---------------------------------------------------------------------------- 1552+72 SS URSAE MINORIS The dwarf nova type (SU UMA subclass) cataclysmic variable SS UMI appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials DEC 17.1229 <14.7 HSG JAN 02.761 13.8 PYG DEC 28.731 <14.2 PYG ---------------------------------------------------------------------------- 1804+67 EX DRACONIS The dwarf nova type cataclysmic variable EX DRA appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials DEC 17.1250 <14.8 HSG JAN 02.759 12.9 PYG DEC 28.729 <14.5 PYG ---------------------------------------------------------------------------- 2023+43 V503 CYGNI The dwarf nova type (SU UMA subclass) cataclysmic variable V503 CYG appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials DEC 18.9830 17.53 CCDV ZRE DEC 28.756 <15.0 PYG DEC 20.753 <14.2 MUY JAN 02.756 14.7 PYG ---------------------------------------------------------------------------- 2209+12 RU PEGASI The dwarf nova type (SS CYG subclass) cataclysmic variable RU PEG is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials DEC 30.72 12.6 KTO JAN 04.0229 9.8 DKS JAN 02.3646 12.3 SSU JAN 04.3660 10.4 SSU JAN 02.732 11.2 PYG ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: DKS - S. DVORAK, USA SRX - R. STUBBINGS, AUSTRALIA HSG - G. HANSON II, USA SSU - S. SAKUMA, JAPAN KTO - T. KINNUNEN, FINLAND WPX - P. WILLIAMS, NEW ZEALAND MUY - E. MUYLLAERT, BELGIUM ZRE - R. ZISSELL, USA PYG - G. POYNER, 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! ____________________________________________________________________________