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: 1556+33 VW CRB 1848-19 FN SGR No. 673 1830+24A CH HER 2053+25 VW VUL September 18, 2000 1848+26 CY LYR 2335+12 HX PEG ---------------------------------------------------------------------------- 1556+33 VW CORONAE BOREALIS The dwarf nova type cataclysmic variable VW CRB appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials AUG 28.868 <15.2 PYG SEP 06.0778 <14.0 SXN AUG 30.840 <14.1 MUY SEP 13.1035 13.9: SXN AUG 30.856 <14.4 RMQ SEP 17.0743 14.1 SXN AUG 30.874 <14.8 PYG SEP 18.0757 14.1 SXN ---------------------------------------------------------------------------- 1830+24A CH HERCULIS The dwarf nova type cataclysmic variable CH HER appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials AUG 31.2493 <15.7 HSG SEP 17.0410 15.1 BRJ SEP 12.875 <15.1 PYG SEP 17.0750 14.8: WSN ---------------------------------------------------------------------------- 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 SEP 17.0417 14.6 BRJ SEP 17.82 13.5 VET SEP 17.0708 14.5: WSN SEP 17.892 14.1 RMQ SEP 17.1174 <14.0 SXN SEP 18.001 13.5 RMQ SEP 17.1298 14.1 MKJ SEP 18.0535 13.8 CGF SEP 17.78 13.7 KTO SEP 18.1104 13.8 WSN ---------------------------------------------------------------------------- 1848-19 FN SAGITTARII The ZAND type variable FN SGR appears to be fading, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials AUG 31.1 11.7 BRJ SEP 10.456 12.2 WPX AUG 31.434 11.8 WPX SEP 17.0 12.5 BRJ SEP 01.0828 11.9 BEB SEP 17.73 12.1 MLF SEP 06.1 11.8 BRJ ---------------------------------------------------------------------------- 2053+25 VW VULPECULAE The dwarf nova type cataclysmic variable VW VUL appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials SEP 12.935 15.0 PYG SEP 15.7799 13.6 NHK SEP 13.1792 13.9: SXN SEP 16.02 13.9 DGP SEP 13.84 14.1 KTO SEP 17.1444 14.4: SXN SEP 14.874 13.7 RMQ SEP 17.912 14.6 RMQ ---------------------------------------------------------------------------- 2335+12 HX PEGASI The dwarf nova type cataclysmic variable HX PEG is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials SEP 07.8417 14.1 NHK SEP 17.0736 13.5 BRJ SEP 07.919 14.1 RMQ SEP 17.923 12.8 RMQ SEP 07.926 13.7 OJR SEP 18.1590 12.9 SXN ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: BEB - R. BERG, USA NHK - H. NYLANDER, FINLAND BRJ - J. BORTLE, USA OJR - J. OSORIO, SPAIN CGF - G. CHAPLE JR., USA PYG - G. POYNER, ENGLAND DGP - G. DYCK, USA RMQ - M. RESZELSKI, POLAND HSG - G. HANSON II, USA SXN - M. SIMONSEN, USA KTO - T. KINNUNEN, FINLAND VET - M. VERDENET, FRANCE MKJ - J. MCKENNA, USA WPX - P. WILLIAMS, NEW ZEALAND MLF - L. MONARD, SOUTH AFRICA WSN - T. WILSON, USA MUY - E. MUYLLAERT, BELGIUM 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! ____________________________________________________________________________