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: 1702-25 V2051 OPH No. 652 2043+41 V516 CYG August 1, 2000 ---------------------------------------------------------------------------- 1702-25 V2051 OPHIUCHI The eclipsing dwarf nova type (SU UMA subclass) cataclysmic variable V2051 OPH appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUL 24.544 15.1 SRX JUL 31.640 15.0 SRX JUL 28.401 15.0 SRX JUL 31.644 14.0 SRX JUL 28.569 15.0 SRX AUG 01.471 14.5 SRX JUL 31.454 14.5 SRX AUG 01.503 13.5 SRX JUL 31.469 14.4 SRX AUG 01.520 13.4 SRX JUL 31.502 14.4 SRX AUG 01.642 13.8 SRX ---------------------------------------------------------------------------- 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 JUL 24.922 <15.0 RMQ JUL 31.991 13.9 RMQ JUL 27.888 <14.8 RMQ AUG 01.090 14.0 PYG ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: PYG - G. POYNER, ENGLAND SRX - R. STUBBINGS, AUSTRALIA RMQ - M. RESZELSKI, POLAND 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! ____________________________________________________________________________