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: 0206+57A TZ PER 0803+62 SU UMA No. 553 0217+70 AM CAS 0945+34 RZ LMI January 6, 2000 0547-05 CN ORI ---------------------------------------------------------------------------- 0206+57A TZ PERSEI The dwarf nova type (Z CAM subclass) cataclysmic variable TZ PER is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JAN 04.8833 14.6 JCN JAN 06.0069 13.1 BRJ JAN 04.9056 13.4 POX JAN 06.0583 13.3 CGF JAN 05.2063 13.7 HSG JAN 06.0965 13.1 HSG JAN 05.75 12.9 VET JAN 06.1472 12.8 MKJ JAN 05.836 13.6 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 JAN 05.2028 15.5: HSG JAN 06.0896 12.7 HSG JAN 06.0056 13.4 BRJ JAN 06.1528 13.0 MKJ JAN 06.0444 12.9 CGF ---------------------------------------------------------------------------- 0547-05 CN ORIONIS The dwarf nova type (Z CAM subclass) cataclysmic variable CN ORI is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials DEC 30.2410 <14.6 HSG JAN 04.899 12.8 MUY DEC 31.6639 14.6: SRX JAN 04.958 12.9 OJR JAN 01.5007 13.6 SRX JAN 05.1604 12.0 KB JAN 01.944 13.0 OJR JAN 05.2132 12.2 HSG JAN 02.4931 13.2 SRX JAN 05.77 12.0 VET JAN 02.965 12.9 OJR JAN 05.855 12.5 MUY JAN 03.959 13.3 OJR JAN 06.0146 11.9 BRJ JAN 03.996 13.2 PYG JAN 06.0764 12.2 CGF JAN 04.2194 12.6 HSG JAN 06.1319 12.6 MKJ JAN 04.5263 12.8 WPX JAN 06.1868 12.3 HSG JAN 04.8924 12.8 POX ---------------------------------------------------------------------------- 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 JAN 04.110 14.4 PYG JAN 05.2222 12.5 HSG JAN 04.2306 14.4 HSG JAN 05.866 13.1 MUY JAN 04.8965 12.5 POX JAN 06.0174 13.2 BRJ JAN 04.915 13.0 MUY JAN 06.0250 13.2 CGF JAN 04.941 13.2 OJR JAN 06.2340 13.2 HSG ---------------------------------------------------------------------------- 0945+34 RZ LEONIS MINORIS The dwarf nova type (SU UMA subclass) cataclysmic variable RZ LMI may be in outburst, as indicated by the following observation: AAVSO Observer UT Mag. Initials JAN 06.2410 14.2 HSG ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: BRJ - J. BORTLE, USA OJR - J. OSORIO, SPAIN CGF - G. CHAPLE JR., USA POX - M. POXON, ENGLAND HSG - G. HANSON II, USA PYG - G. POYNER, ENGLAND JCN - C. JONES, ENGLAND SRX - R. STUBBINGS, AUSTRALIA KB - W. KAMINSKI, USA VET - M. VERDENET, FRANCE MKJ - J. MCKENNA, USA WPX - P. WILLIAMS, NEW ZEALAND 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! 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! ____________________________________________________________________________