THE AMERICAN ASSOCIATION OF VARIABLE STAR OBSERVERS 25 Birch Street, Cambridge, MA 02138 USA Tel. 617-354-0484 Fax 617-354-0665 INTERNET: aavso@aavso.org * * * AAVSO NEWS FLASH * * * Subject: 0605+47 SS AUR 0854-24 VZ PYX No. 376 0611+15 CZ ORI 1953+77 AB DRA December 16, 1998 0803+62 SU UMA ---------------------------------------------------------------------------- 0605+47 SS AURIGAE The dwarf nova type cataclysmic variable SS AUR is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials DEC 15.0257 14.5 BRJ DEC 15.95 13.9 DGP DEC 15.1 14.8: CGF DEC 16.024 13.7 CGF DEC 15.1069 14.7 HSG DEC 16.0278 13.5 BRJ DEC 15.2520 14.71 CCDV ZRE DEC 16.057 13.3 MRV DEC 15.3576 14.4 KMA DEC 16.1090 13.3 MKJ DEC 15.476 14.4 MRV DEC 16.1510 13.54 CCDV ZRE DEC 15.88 14.2 KTO DEC 16.1521 13.6 CMG ---------------------------------------------------------------------------- 0611+15 CZ ORIONIS The dwarf nova type cataclysmic variable CZ ORI is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials DEC 15.1 <14.4 CGF DEC 16.094 12.7 CGF DEC 15.88 <13.3 KTO DEC 16.1410 12.8 MKJ DEC 16.0319 12.8 BRJ DEC 16.4903 12.4 SRX ---------------------------------------------------------------------------- 0803+62 SU URSAE MAJORIS The dwarf nova type (SU UMA subclass prototype) cataclysmic variable SU UMA is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials DEC 15.0264 14.1 BRJ DEC 15.89 12.1 KTO DEC 15.3854 14.0 KMA DEC 16.0285 12.2 BRJ DEC 15.7007 12.5 WDM ---------------------------------------------------------------------------- 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 DEC 11.5646 15.1 SRX DEC 16.5507 12.9 SRX DEC 16.4931 13.0 SRX ---------------------------------------------------------------------------- 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 DEC 14.9951 14.6 BRJ DEC 15.9970 12.4 CCDV ZRE DEC 15.0736 14.4 HSG DEC 16.0049 12.6 BRJ DEC 15.1 14.2: CGF DEC 16.006 12.8 CGF DEC 15.95 13.0 DGP DEC 16.0361 12.7 BMM ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: BMM - M. BIESMANS, BELGIUM KTO - T. KINNUNEN, FINLAND BRJ - J. BORTLE, USA MKJ - J. MCKENNA, USA CGF - G. CHAPLE JR., USA MRV - R. MODIC, USA CMG - G. COMELLO, NETHERLANDS SRX - R. STUBBINGS, AUSTRALIA DGP - G. DYCK, USA WDM - M. WESTLUND, SWEDEN HSG - G. HANSON II, USA ZRE - R. ZISSELL, USA KMA - M. KOMOROUS, CANADA 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 sending a message to: observations@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 We look forward to including your observations in future editions of AAVSO NEWS FLASH! ____________________________________________________________________________