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: 1251-32 V485 CEN 1911-00 FO AQL No. 616 1508+23 NY SER 2023+43 V503 CYG May 9, 2000 1702-25 V2051 OPH ---------------------------------------------------------------------------- 1251-32 V485 CENTAURI The dwarf nova type cataclysmic variable V485 CEN appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAY 07.4431 <14.8 SRX MAY 09.5062 14.2 SRX MAY 08.3771 14.8 SRX MAY 09.5479 14.1 SRX ---------------------------------------------------------------------------- 1508+23 NY SERPENTIS The dwarf nova type cataclysmic variable NY SER appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAY 01.006 <15.5 PYG MAY 07.969 14.9 PYG MAY 02.013 <14.7 PYG ---------------------------------------------------------------------------- 1702-25 V2051 OPHIUCHI The 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 APR 28.5951 15.0 SRX MAY 09.5236 14.0 SRX APR 30.51 <13.8 WPX MAY 09.5486 13.9 SRX MAY 07.4813 <14.5 SRX ---------------------------------------------------------------------------- 1911-00 FO AQUILAE The dwarf nova type (SS CYG subclass) cataclysmic variable FO AQL appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAY 07.4417 <15.4 HSG MAY 09.4417 13.6 HSG ---------------------------------------------------------------------------- 2023+43 V503 CYGNI The dwarf nova type (SU UMA subclass) cataclysmic variable V503 CYG appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAY 07.4493 <15.2 HSG MAY 09.4361 14.4 HSG MAY 08.046 <14.6 PYG ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: HSG - G. HANSON II, USA SRX - R. STUBBINGS, AUSTRALIA PYG - G. POYNER, ENGLAND WPX - P. WILLIAMS, NEW ZEALAND 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! ____________________________________________________________________________