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: 0006-12 WW CET 1830+24A CH HER No. 362 0111-18 WX CET 1831+38 LL LYR November 11, 1998 0804+28 YZ CNC 2026-45 TU IND 1803+31 VAR61 HER ---------------------------------------------------------------------------- ATTENTION: AAVSO Circular Contributors AAVSO Circular Editor, John Bortle, has recently experienced a hardware failure. All observers who sent their October 1998 observations by email for inclusion in the November Circular should resend these observations by postal mail as soon as possible so that they may be included in the November Circular. John Bortle 39 Gold Road Stormville, NY 12582 Thank you for your help in this matter. ---------------------------------------------------------------------------- 0006-12 WW CETI The dwarf nova type (possible Z CAM subclass) cataclysmic variable WW CET is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials NOV 06.4535 13.9 SRX NOV 09.1139 13.3 DKS NOV 08.1076 13.5 DKS NOV 10.1181 12.0 DKS NOV 08.4653 13.6 SRX NOV 10.4764 12.3 SRX NOV 08.4653 13.6 SRX ---------------------------------------------------------------------------- 0111-18 WX CETI The dwarf nova type cataclysmic variable WX CET is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials NOV 08.4660 <15.0 SRX NOV 10.4896 11.8 SRX NOV 09.1174 <13.8 DKS NOV 10.5035 11.8 SRX NOV 10.1146 12.6 DKS NOV 10.857 12.0 SPK NOV 10.4771 11.8 SRX NOV 10.906 11.9 SPK NOV 10.4771 11.8 SRX ---------------------------------------------------------------------------- 0804+28 YZ CANCRI The dwarf nova type (SU UMA subclass) cataclysmic variable YZ CNC is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials NOV 04.2670 15.35 CCDV ZRE NOV 08.6979 11.7 SRX NOV 05.3240 13.13 CCDV ZRE NOV 09.6958 11.6 SRX NOV 06.2650 11.94 CCDV ZRE NOV 10.2940 11.45 CCDV ZRE NOV 07.11 11.9 GRL NOV 11.026 11.1 PYG ---------------------------------------------------------------------------- 1803+31 VAR61 HERCULIS The cataclysmic variable VAR61 HER may be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials NOV 09.734 14.8: KTO NOV 10.741 13.9 PYG ---------------------------------------------------------------------------- 1830+24A CH HERCULIS The dwarf nova type cataclysmic variable CH HER may be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials NOV 10.0868 <15.7 HSG NOV 11.1076 15.5 HSG NOV 10.747 <15.1 PYG NOV 11.1292 15.5 HSG According to the AAVSO International Database this star is fainter than visual magnitude 16.1 during quiescence. ---------------------------------------------------------------------------- 1831+38 LL LYRAE The dwarf nova type cataclysmic variable LL LYR is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials NOV 05.9840 17.53 CCDV ZRE NOV 10.0896 15.3 HSG NOV 06.825 <14.8 PYG NOV 10.1069 15.2 HSG NOV 07.1049 <15.7 HSG NOV 10.1243 15.3 HSG NOV 08.0806 <15.7 HSG NOV 10.772 14.1 PYG NOV 09.790 <14.8 PYG NOV 11.1097 14.5 HSG NOV 10.0450 15.01 CCDV ZRE ---------------------------------------------------------------------------- 2026-45 TU INDI The dwarf nova type cataclysmic variable TU IND appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials NOV 08.4667 <15.0 SRX NOV 10.4681 14.2 SRX ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: DKS - S. DVORAK, USA SPK - P. SCHMEER, GERMANY GRL - B. GRANSLO, NORWAY SQN - L. SHAW, USA HSG - G. HANSON II, USA SRX - R. STUBBINGS, AUSTRALIA KTO - T. KINNUNEN, FINLAND 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 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! ____________________________________________________________________________