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: 0217+70 AM CAS No. 661 1937+21 FY VUL August 23, 2000 ---------------------------------------------------------------------------- 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 AUG 21.968 <14.2 OJR AUG 22.972 12.6 RMQ AUG 22.2257 13.5: SXN AUG 22.972 12.6 RMQ AUG 22.967 <14.2 OJR AUG 23.07 13.2 DGP ---------------------------------------------------------------------------- 1937+21 FY VULPECULAE The dwarf nova type (Z CAM subclass) cataclysmic variable FY VUL may be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials AUG 21.034 14.3 PYG AUG 22.887 14.3 RMQ AUG 21.1667 14.4: SXN AUG 22.997 13.9 PYG AUG 21.896 14.4 MUY ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: DGP - G. DYCK, USA PYG - G. POYNER, ENGLAND MUY - E. MUYLLAERT, BELGIUM RMQ - M. RESZELSKI, POLAND OJR - J. OSORIO, SPAIN SXN - M. SIMONSEN, 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 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! ____________________________________________________________________________