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: 0523-03 V1159 ORI 0822+25 AT CNC No. 387 0640-16 HL CMA 1344+08 CR BOO January 25, 1999 ---------------------------------------------------------------------------- 0523-03 V1159 ORIONIS The dwarf nova type (SU UMA subclass) cataclysmic variable V1159 ORI appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JAN 17.4826 14.7 SRX JAN 20.4896 13.9 SRX JAN 17.814 <13.6 MUY JAN 23.5486 13.7 SRX JAN 17.9688 <13.6 POX JAN 24.4937 13.8 SRX JAN 19.4785 13.8 SRX ---------------------------------------------------------------------------- 0640-16 HL CANIS MAJORIS The dwarf nova type cataclysmic variable HL CMA is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JAN 18.46 <13.5 WPX JAN 23.4493 11.5 SRX JAN 19.1958 <13.0 DIL JAN 24.4972 11.5 SRX JAN 21.965 <11.6 GMC JAN 24.930 11.2 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 JAN 22.1028 14.4 POX JAN 24.5063 13.5 SRX JAN 23.5437 <14.2 SRX ---------------------------------------------------------------------------- 1344+08 CR BOOTIS The magnetic variable CR BOO appears to be in outburst, as indicated by the following observation: AAVSO Observer UT Mag. Initials JAN 23.4951 14.1 HSG According to the AAVSO International Database this star is fainter than visual magnitude 15.5 during quiescence. ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: DIL - W. DILLON, USA OJR - J. OSORIO, SPAIN GMC - M. GILL, ENGLAND POX - M. POXON, ENGLAND HSG - G. HANSON II, USA SRX - R. STUBBINGS, AUSTRALIA MUY - E. MUYLLAERT, BELGIUM WPX - P. WILLIAMS, NEW ZEALAND 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! ____________________________________________________________________________