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 0854-24 VZ PYX No. 533 0217+70 AM CAS 0855+18 SY CNC November 22, 1999 0409-71 VW HYI 1953+77 AB DRA 0524-03 V1159 ORI ---------------------------------------------------------------------------- 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 20.1 13.7 CGF NOV 22.0368 11.5 CGF NOV 20.778 13.2 MUY ---------------------------------------------------------------------------- 0217+70 AM CASSIOPEIAE The dwarf nova type (Z CAM subclass) cataclysmic variable AM CAS is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials NOV 16.1736 15.5: HSG NOV 19.817 <13.5 MUY NOV 17.0951 <14.5 HSG NOV 20.788 13.5 MUY NOV 19.1146 <14.5 HSG NOV 21.5188 13.6 HSG ---------------------------------------------------------------------------- 0409-71 VW HYDRI The dwarf nova type (SU UMA subclass) cataclysmic variable VW HYI appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials NOV 17.93 13.9 MLF NOV 19.4438 9.0 SRX NOV 18.7132 12.4 SRX NOV 19.6965 8.9 SRX NOV 18.7354 12.4 SRX ---------------------------------------------------------------------------- 0524-03 V1159 ORIONIS The dwarf nova type (SU UMA subclass) cataclysmic variable V1159 ORI is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials NOV 18.3653 14.5: KB NOV 19.7160 13.1 SRX NOV 18.4264 <13.6 DKS NOV 20.099 12.8 PYG NOV 18.7306 14.0 SRX NOV 21.5125 13.8 HSG NOV 19.4646 13.6 SRX ---------------------------------------------------------------------------- 0854-24 VZ PYXIDIS The dwarf nova type (SU UMA subclass) cataclysmic variable VZ PYX appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials NOV 18.7007 <14.5 SRX NOV 19.7007 13.0 SRX ---------------------------------------------------------------------------- 0855+18 SY CANCRI The dwarf nova type (Z CAM subclass) cataclysmic variable SY CNC is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials NOV 17.210 13.6 MUY NOV 19.7063 12.7 SRX NOV 18.7306 13.3 SRX NOV 20.096 12.4 PYG NOV 19.3542 12.3 SXN NOV 21.5292 12.3 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 NOV 19.0701 14.6: HSG NOV 20.1500 13.2 CGF NOV 19.769 14.4 PYG NOV 20.741 12.7 MUY NOV 19.8486 13.8 JCN NOV 22.0069 12.9 CGF NOV 20.1097 13.4 CGF ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: CGF - G. CHAPLE JR., USA MLF - L. MONARD, SOUTH AFRICA DKS - S. DVORAK, USA MUY - E. MUYLLAERT, BELGIUM HSG - G. HANSON II, USA PYG - G. POYNER, ENGLAND JCN - C. JONES, ENGLAND SRX - R. STUBBINGS, AUSTRALIA KB - W. KAMINSKI, USA SXN - M. SIMONSEN, 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! ____________________________________________________________________________