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: 0725+06 SV CMI 1508+23 NY SER No. 436 0803+62 SU UMA 1841+43 V344 LYR May 12, 1999 ---------------------------------------------------------------------------- 0725+06 SV CANIS MINORIS The dwarf nova type (Z CAM subclass) cataclysmic variable SV CMI is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAY 10.3736 15.3 SRX MAY 11.3743 13.2 SRX MAY 11.0868 13.2 BRJ MAY 12.0854 13.2 BRJ ---------------------------------------------------------------------------- 0803+62 SU URSAE MAJORIS The dwarf nova type (SU UMA subclass prototype) cataclysmic variable SU UMA appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAY 11.8972 14.1 JCN MAY 12.0951 13.5 BRJ MAY 11.907 14.3 PYG ---------------------------------------------------------------------------- 1508+23 NY SERPENTIS The dwarf nova type cataclysmic variable NY SER appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAY 07.3021 <15.0 COO MAY 12.010 14.7 PYG ---------------------------------------------------------------------------- 1841+43 V344 LYRAE The dwarf nova type (SU UMA subclass) cataclysmic variable V344 LYR is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAY 07.89 <15.0 KTO MAY 12.063 14.5 PYG MAY 11.94 14.6 KTO ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: BRJ - J. BORTLE, USA KTO - T. KINNUNEN, FINLAND COO - L. COOK, USA PYG - G. POYNER, ENGLAND JCN - C. JONES, ENGLAND SRX - R. STUBBINGS, AUSTRALIA 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! ____________________________________________________________________________