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: 0518+00 BI ORI 0853-70 SY VOL No. 1068 0640-16 HL CMA 1916-28 V730 SGR November 22, 2002 0750-24 BX PUP ---------------------------------------------------------------------------- 0518+00 BI ORIONIS The dwarf nova type cataclysmic variable BI ORI appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials NOV 16.7830 <15.0 PEX NOV 18.7780 <14.5 PEX NOV 17.7640 <14.8 PEX NOV 22.4670 14.3 SRX NOV 18.3299 <13.7 SXN NOV 22.4740 14.3 SRX ---------------------------------------------------------------------------- 0640-16 HL CANIS MAJORIS The dwarf nova type (Z CAM subclass) cataclysmic variable HL CMA appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials NOV 17.7720 13.6 PEX NOV 19.3854 <12.0 LMK NOV 18.3535 13.1: SXN NOV 22.4278 11.7 LMK NOV 18.5200 <12.0 SRX NOV 22.4690 11.6 SRX NOV 18.7870 12.8 PEX ---------------------------------------------------------------------------- 0750-24 BX PUPPIS The dwarf nova type (Z CAM subclass) cataclysmic variable BX PUP appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials NOV 16.8010 <15.0 PEX NOV 18.7940 <15.0 PEX NOV 17.7830 <15.0 PEX NOV 22.5470 14.2 SRX ---------------------------------------------------------------------------- 0853-70 SY VOLANTIS The dwarf nova type cataclysmic variable SY VOL appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials NOV 16.8140 <15.0 PEX NOV 22.4510 14.4 SRX NOV 17.7990 <15.0 PEX NOV 22.4710 14.4 SRX NOV 18.8040 <14.7 PEX ---------------------------------------------------------------------------- 1916-28 V730 SAGITTARII The dwarf nova type cataclysmic variable V730 SGR appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials NOV 06.4350 <14.4 SRX NOV 13.4400 <13.4 SRX NOV 11.4380 <13.4 SRX NOV 22.4460 13.8 SRX ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: LMK - M. LINNOLT, USA SRX - R. STUBBINGS, AUSTRALIA PEX - A. PEARCE, AUSTRALIA 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 Gamze Menali, 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! ____________________________________________________________________________