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: ALERT NOTICE 262 1805-14 UZ SER No. 487 0445-76 TU MEN 1953+77 AB DRA August 25, 1999 ---------------------------------------------------------------------------- ALERT NOTICE 262 AAVSO Alert Notice 262 was issued today with information on the following objects: N CIR 99, R CRB, V1493 AQL, V382 VEL, and AM HER. The Alert Notice also includes an image of N Cir 99 and an AAVSO chart for this new nova. The Alert Notice will soon be posted on the AAVSO web page at the following address: http://www.aavso.org/alerts.stm ---------------------------------------------------------------------------- 0445-76 TU MENSAE The dwarf nova type (SU UMA subclass) cataclysmic variable TU MEN appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials AUG 24.1 <12.9 OB AUG 25.133 11.6 OB ---------------------------------------------------------------------------- 1805-14 UZ SERPENTIS The dwarf nova type (possible Z CAM subclass) cataclysmic variable UZ SER is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials AUG 23.121 16.1 OCN AUG 25.077 12.5 OCN AUG 24.122 15.8: OCN AUG 25.0850 12.84 CCDV ZRE ---------------------------------------------------------------------------- 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 AUG 21.853 <14.0 MUY AUG 24.1650 12.6 CCDV ZRE AUG 22.84 13.9 KTO AUG 25.1240 12.4 CCDV ZRE ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: KTO - T. KINNUNEN, FINLAND OCN - S. O'CONNOR, CANADA MUY - E. MUYLLAERT, BELGIUM ZRE - R. ZISSELL, USA OB - M. OVERBEEK, SOUTH AFRICA 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! ____________________________________________________________________________