THE AMERICAN ASSOCIATION OF VARIABLE STAR OBSERVERS 25 Birch Street, Cambridge, MA 02138 USA Tel. 617-354-0484 Fax 617-354-0665 INTERNET: aavso@aavso.org * * * AAVSO NEWS FLASH * * * Subject: 0207-63 WX HYI 1617-55 IK NOR No. 355 0217+70 AM CAS 1805-14 UZ SER October 19, 1998 0523-03 V1159 ORI 2043+41 V516 CYG 0959+68 CH UMA 2209+12 RU PEG ---------------------------------------------------------------------------- 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 OCT 14.4465 14.2 SRX OCT 16.4708 13.9 WPX OCT 16.4590 13.8 SRX OCT 18.760 12.5 MLF ---------------------------------------------------------------------------- 0217+70 AM CASSIOPEIAE The dwarf nova type (Z CAM subclass) cataclysmic variable AM CAS is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 17.02 13.5 DGP OCT 19.4569 12.6 HSG OCT 19.2132 12.4 HSG ---------------------------------------------------------------------------- 0523-03 V1159 ORIONIS The dwarf nova type (SU UMA subclass) cataclysmic variable V1159 ORI appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 18.147 14.2 PYG OCT 19.4542 11.4 HSG ---------------------------------------------------------------------------- 0959+68 CH URSAE MAJORIS The dwarf nova type cataclysmic variable CH UMA appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 17.12 15.0 KTO OCT 19.4715 13.8 HSG OCT 18.126 14.7 PYG ---------------------------------------------------------------------------- 1617-55 IK NORMAE The dwarf nova type cataclysmic variable IK NOR appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 15.4285 <14.5 SRX OCT 16.4306 13.9 SRX OCT 16.4236 14.1 WPX OCT 16.4632 13.9 SRX OCT 16.4264 13.9 SRX OCT 17.4271 13.5 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 OCT 16.4375 14.8 SRX OCT 17.02 12.8 DGP ---------------------------------------------------------------------------- 2043+41 V516 CYGNI The dwarf nova type (SS CYG subclass) cataclysmic variable V516 CYG is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 14.875 <15.5 PYG OCT 17.968 14.3 PYG OCT 16.0826 <14.2 MKJ OCT 19.1938 14.3 HSG OCT 17.02 14.2 DGP ---------------------------------------------------------------------------- 2209+12 RU PEGASI The dwarf nova type (SS CYG subclass) cataclysmic variable RU PEG appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 18.902 12.3 DPA OCT 19.2014 11.3 HSG ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: DGP - G. DYCK, USA MLF - L. MONARD, SOUTH AFRICA DPA - A. DIEPVENS, BELGIUM PYG - G. POYNER, ENGLAND HSG - G. HANSON II, USA SRX - R. STUBBINGS, AUSTRALIA KTO - T. KINNUNEN, FINLAND WPX - P. WILLIAMS, NEW ZEALAND MKJ - J. MCKENNA, 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 sending a message to: observations@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 We look forward to including your observations in future editions of AAVSO NEWS FLASH! ____________________________________________________________________________