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 NUMBER 1000! * * * Subject: 0409-71 VW HYI 1841+37 AY LYR No. 1000 1338-07 HS VIR 1910-26 V729 SGR July 26, 2002 1612-54 HP NOR 1953+77 AB DRA ---------------------------------------------------------------------------- 0409-71 VW HYDRI The dwarf nova type (SU UMA subclass) cataclysmic variable VW HYI appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUL 24.4260 <12.9 SRX JUL 26.4090 10.0 SRX JUL 26.3880 10.0 SRX ---------------------------------------------------------------------------- 1338-07 HS VIRGINIS The dwarf nova type cataclysmic variable HS VIR appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUL 20.2917 <15.0 LMK JUL 24.2917 <14.4 LMK JUL 22.3014 <14.8 LMK JUL 26.3800 14.8 SRX ---------------------------------------------------------------------------- 1612-54 HP NORMAE The dwarf nova type (Z CAM subclass) cataclysmic variable HP NOR appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUL 22.3090 <14.0 LMK JUL 26.2708 13.6: LMK JUL 24.2868 <13.5 LMK JUL 26.3850 13.6 SRX JUL 24.4280 <13.4 SRX JUL 26.4250 13.6 SRX ---------------------------------------------------------------------------- 1841+37 AY LYRAE The dwarf nova type (SU UMA subclass) cataclysmic variable AY LYR is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUL 25.0493 <14.8 TDB JUL 26.0819 13.4 DPL JUL 25.2674 <14.2 AAP JUL 26.0993 13.4 CGF JUL 25.9440 13.0 MGH JUL 26.3035 13.4 LMK ---------------------------------------------------------------------------- 1910-26 V729 SAGITTARII The dwarf nova type cataclysmic variable V729 SGR appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUL 15.5350 <15.0 SRX JUL 26.3710 13.2 SRX JUL 18.4070 <13.8 SRX JUL 26.3970 13.2 SRX ---------------------------------------------------------------------------- 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 JUL 24.3333 <14.2 LMK JUL 26.3292 12.7 LMK JUL 26.1090 12.7 CGF ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: AAP - A. ABBOTT, CANADA MGH - H. MCGEE, ENGLAND CGF - G. CHAPLE JR., USA SRX - R. STUBBINGS, AUSTRALIA DPL - P. DOMBROWSKI, USA TDB - D. TAYLOR, CANADA LMK - M. LINNOLT, USA Please monitor these and other variable stars closely and phone-in, fax, or e-mail your observations to the AAVSO. Good observing! Rebecca Pellock, Technical Assistant on behalf of Janet A. Mattei, Director ____________________________________________________________________________ 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! ____________________________________________________________________________