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: 0058+40 RX AND 1552+72 SS UMI No. 521 0120+31 TY PSC 1807-27 V1830 SGR November 3, 1999 0324+58 AF CAM 1848+26 CY LYR 0804+28 YZ CNC 1953+77 AB DRA 0822+25 AT CNC 2053+25 VW VUL 0945+12 X LEO ---------------------------------------------------------------------------- 0058+40 RX ANDROMEDAE The dwarf nova type (Z CAM subclass) cataclysmic variable RX AND appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials NOV 01.7674 14.1 DPV NOV 03.06 13.4 SPK NOV 02.1417 13.9 KB NOV 03.0889 13.8 KB NOV 02.2243 13.8 BTH NOV 03.1493 13.5 BEB NOV 02.7882 13.5 DPV NOV 03.1639 13.5 HSG NOV 02.940 13.6 PYG NOV 03.776 11.7 SPK ---------------------------------------------------------------------------- 0120+31 TY PISCIUM The dwarf nova type (SU UMA subclass) cataclysmic variable TY PSC is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 30.292 16.5 CCDV OCN NOV 02.0104 12.4 BRJ OCT 30.8229 <14.3 DPV NOV 02.0798 12.7 TSC OCT 30.890 <14.0 MGH NOV 02.2278 12.9 BTH OCT 31.824 <14.3 MUY NOV 02.8347 <14.0 POX NOV 01.8021 12.6 DPV NOV 02.931 13.5 MGH NOV 01.823 12.9 OJR NOV 03.1207 13.5 BEB ---------------------------------------------------------------------------- 0324+58 AF CAMELOPARDALIS The dwarf nova type cataclysmic variable AF CAM is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 31.837 <14.1 MUY NOV 02.886 13.4 MGH NOV 02.73 13.9 KTO NOV 03.1715 13.4 HSG NOV 02.878 13.6 PYG ---------------------------------------------------------------------------- 0804+28 YZ CANCRI The dwarf nova type (SU UMA subclass) cataclysmic variable YZ CNC is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials NOV 01.201 <13.6 MUY NOV 02.7236 12.0 SRX NOV 01.6813 <12.0 SRX NOV 03.2 12.1 GUN NOV 02.195 11.3 OJR ---------------------------------------------------------------------------- 0822+25 AT CANCRI The dwarf nova type (Z CAM subclass) cataclysmic variable AT CNC appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 27.183 <14.0 MUY NOV 03.12 12.5 KTO ---------------------------------------------------------------------------- 0945+12 X LEONIS The dwarf nova type cataclysmic variable X LEO is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 27.186 <13.5 MUY NOV 03.12 12.7 KTO NOV 02.7528 12.5: SRX NOV 03.2 12.1 GUN ---------------------------------------------------------------------------- 1552+72 SS URSAE MINORIS The dwarf nova type (SU UMA subclass) cataclysmic variable SS UMI may be in outburst, as indicated by the following observation: AAVSO Observer UT Mag. Initials NOV 03.0799 15.1: HSG According to the AAVSO International Database this star is fainter than visual magnitude 16.0 during quiescence. ---------------------------------------------------------------------------- 1807-27 V1830 SAGITTARII The dwarf nova type cataclysmic variable V1830 SGR appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials NOV 02.4431 <14.0 SRX NOV 03.4417 12.0 SRX ---------------------------------------------------------------------------- 1848+26 CY LYRAE The dwarf nova type cataclysmic variable CY LYR appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials NOV 02.852 <14.5 PYG NOV 03.1507 13.2 HSG NOV 03.0875 13.3 HSG ---------------------------------------------------------------------------- 1953+77 AB DRACONIS The dwarf nova type (Z CAM subclass) cataclysmic variable AB DRA is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 31.7993 15.0 JCN NOV 02.7806 12.9 JCN NOV 01.7708 12.8 DPV NOV 02.860 13.0 PYG NOV 01.9938 12.5 BRJ NOV 02.8764 12.7 POX NOV 02.1958 12.6 BTH NOV 03.0785 12.6 HSG NOV 02.7465 12.8 DPV NOV 03.1019 12.7 BEB ---------------------------------------------------------------------------- 2053+25 VW VULPECULAE The dwarf nova type cataclysmic variable VW VUL is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 25.842 15.3: PYG NOV 02.896 13.6 PYG NOV 02.69 13.8 KTO ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: BEB - R. BERG, USA MGH - H. MCGEE, ENGLAND BRJ - J. BORTLE, USA MUY - E. MUYLLAERT, BELGIUM BTH - T. BURROWS, USA OCN - S. O'CONNOR, CANADA DPV - P. DUBOVSKY, SLOVAKIA OJR - J. OSORIO, SPAIN GUN - J. GUNTHER, FRANCE POX - M. POXON, ENGLAND HSG - G. HANSON II, USA PYG - G. POYNER, ENGLAND JCN - C. JONES, ENGLAND SPK - P. SCHMEER, GERMANY KB - W. KAMINSKI, USA SRX - R. STUBBINGS, AUSTRALIA KTO - T. KINNUNEN, FINLAND TSC - S. TRACY, 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! ____________________________________________________________________________