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: 2349+56 RHO CAS No. 658 1911-00 FO AQL August 15, 2000 2023+43 V503 CYG ---------------------------------------------------------------------------- 2349+56 RHO CASSIOPEIAE The variable star rho Cas has been slowly fading over the last several months, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 14.0000 4.7 BRJ JUL 21.1000 5.0 BRJ MAR 24.0000 4.7 BRJ JUL 23.1000 5.1 BRJ MAY 08.04 4.9 GRL AUG 05.94 5.3 GRL MAY 28.1000 4.8 BRJ AUG 06.1000 5.2 BRJ JUN 02.98 4.9 GRL AUG 07.94 5.3 GRL JUN 04.1000 4.9 BRJ AUG 11.5069 5.1 RR JUN 21.1000 4.8 BRJ AUG 13.04 5.5 GRL JUL 01.1000 4.9 BRJ AUG 13.99 5.5 GRL JUL 06.1000 4.9 BRJ AUG 15.2153 5.1 RR JUL 11.1000 5.1 BRJ ---------------------------------------------------------------------------- 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 AUG 11.910 <14.5 PYG AUG 14.908 13.9 PYG ---------------------------------------------------------------------------- 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 AUG 12.016 <15.0 PYG AUG 12.891 <13.8 MUY AUG 12.2194 <14.2 SXN AUG 15.2604 13.9 CCDV RR ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: BRJ - J. BORTLE, USA PYG - G. POYNER, ENGLAND BSR - S. BARONI, ITALY RR - R. ROYER, USA GRL - B. GRANSLO, NORWAY SXN - M. SIMONSEN, 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! Rebecca Pellock, Technical Assistant on behalf of Janet A. Mattei, Director ____________________________________________________________________________ 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! ____________________________________________________________________________