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: 0206+57A TZ PER 1640+25 AH HER No. 348 0744-23 BV PUP 1951-09 UU AQL September 30, 1998 0804+28 YZ CNC 2043+41 V516 CYG ---------------------------------------------------------------------------- 0206+57A TZ PERSEI The dwarf nova type (Z CAM subclass) cataclysmic variable TZ PER is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials SEP 28.2438 14.4 HSG SEP 29.86 13.2 KTO SEP 28.3826 13.8 KMA SEP 30.0514 13.3 BRJ SEP 29.0764 14.0 BRJ SEP 30.16 13.5 DGP SEP 29.1125 13.9 KMA SEP 30.3875 13.2 HSG SEP 29.4035 13.9 HSG SEP 30.3889 13.1 DKS ---------------------------------------------------------------------------- 0744-23 BV PUPPIS The dwarf nova type (SS CYG subclass) cataclysmic variable BV PUP appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials SEP 24.6736 <14.4 SRX SEP 29.7583 13.8 SRX SEP 28.7347 13.8 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 SEP 24.4597 <14.9 HSG SEP 29.4146 12.0 HSG SEP 27.4042 15.0: HSG SEP 30.3993 12.7 HSG SEP 29.39 11.8 DGP ---------------------------------------------------------------------------- 1640+25 AH HERCULIS The dwarf nova type (Z CAM subclass) cataclysmic variable AH HER is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials SEP 28.1153 14.2 HSG SEP 29.75 11.8 KTO SEP 29.0125 12.4 DPL SEP 29.9938 12.3 CGF SEP 29.0271 12.1 BRJ SEP 30.0153 11.8 DPL SEP 29.0350 12.50 CCDV ZRE SEP 30.0229 11.6 BRJ SEP 29.0498 12.0 BEB SEP 30.0336 11.8 BEB ---------------------------------------------------------------------------- 1951-09 UU AQUILAE The dwarf nova type cataclysmic variable UU AQL is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials SEP 28.1222 <15.4 HSG SEP 30.0347 12.4 BRJ SEP 28.4083 <14.7 SRX SEP 30.16 12.2 DGP SEP 29.04 <14.7 BRJ ---------------------------------------------------------------------------- 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 SEP 29.1410 16.89 CCDV ZRE SEP 30.0389 14.4 BRJ SEP 29.3826 <15.5 HSG SEP 30.3736 14.2 HSG SEP 30.0111 14.5 CGF ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: BEB - R. BERG, USA HSG - G. HANSON II, USA BRJ - J. BORTLE, USA KMA - M. KOMOROUS, CANADA CGF - G. CHAPLE JR., USA KTO - T. KINNUNEN, FINLAND DGP - G. DYCK, USA SRX - R. STUBBINGS, AUSTRALIA DKS - S. DVORAK, USA ZRE - R. ZISSELL, USA DPL - P. DOMBROWSKI, 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! ____________________________________________________________________________