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: 0518+00 BI ORI No. 522 0605+47 SS AUR November 4, 1999 1934+30 EM CYG ---------------------------------------------------------------------------- 0518+00 BI ORIONIS The dwarf nova type (UG subclass) cataclysmic variable BI ORI appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 25.362 16.7 CCDV OCN NOV 02.7278 <14.8 SRX OCT 28.351 16.2 CCDV OCN NOV 03.7014 14.7 SRX NOV 01.344 15.9 OCN ---------------------------------------------------------------------------- 0605+47 SS AURIGAE The dwarf nova type (UG subclass) cataclysmic variable SS AUR is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials NOV 02.974 15.0 PYG NOV 03.978 13.9 KTO NOV 03.1750 14.8: HSG NOV 04.015 14.0 PYG NOV 03.1769 <13.2 BEB NOV 04.122 13.6 KTO NOV 03.216 <13.9 MUY NOV 04.18 13.9 DGP NOV 03.835 <13.9 MUY NOV 04.215 13.7 MUY ---------------------------------------------------------------------------- 1934+30 EM CYGNI The dwarf nova type (Z CAM subclass) cataclysmic variable EM CYG is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials NOV 03.1528 14.2 HSG NOV 03.98 13.4 DGP NOV 03.770 13.2 MUY NOV 04.0298 13.0 BEB ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: BEB - R. BERG, USA MUY - E. MUYLLAERT, BELGIUM DGP - G. DYCK, USA OCN - S. O'CONNOR, CANADA HSG - G. HANSON II, USA PYG - G. POYNER, ENGLAND KTO - T. KINNUNEN, FINLAND RR - R. ROYER, USA ML - C. MALLET, USA SRX - R. STUBBINGS, AUSTRALIA MLF - L. MONARD, SOUTH AFRICA 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 Gamze Menali, Technical Assistant Kerriann Malatesta, 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! ____________________________________________________________________________