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: 1317-41 V803 CEN 1953+77 AB DRA No. 629 1803+05 V426 OPH 2318+17 IP PEG June 2, 2000 ---------------------------------------------------------------------------- 1317-41 V803 CENTAURI The variable star V803 CEN appears to be brightening, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAY 31.5299 <14.6 PEX JUN 01.4937 14.2 PEX MAY 31.69 <13.9 MLF JUN 01.692 13.4 MLF ---------------------------------------------------------------------------- 1803+05 V426 OPHIUCHI The dwarf nova type cataclysmic variable V426 OPH is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAY 31.022 12.7 MGH JUN 01.889 11.5 RMQ MAY 31.901 12.5 RMQ JUN 01.9201 11.5 DPV JUN 01.8146 10.9 PEX JUN 02.0063 11.3 POX ---------------------------------------------------------------------------- 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 MAY 31.1660 15.0 HSG JUN 01.9028 12.8 DPV MAY 31.2940 14.5 CCDV ZRE JUN 01.959 12.5 RMQ MAY 31.892 14.3 RMQ JUN 01.9847 12.6 POX JUN 01.1639 13.8 HSG JUN 02.1646 12.7 HSG JUN 01.392 <13.4 LMK JUN 02.4597 12.6 HSG JUN 01.885 12.7 RMQ ---------------------------------------------------------------------------- 2318+17 IP PEGASI The dwarf nova type cataclysmic variable IP PEG is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAY 31.4521 15.9: HSG JUN 01.772 13.0 SRX JUN 01.768 13.0 SRX JUN 02.4382 12.9 HSG ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: DPV - P. DUBOVSKY, SLOVAKIA PEX - A. PEARCE, AUSTRALIA HSG - G. HANSON II, USA POX - M. POXON, ENGLAND LMK - M. LINNOLT, USA RMQ - M. RESZELSKI, POLAND MGH - H. MCGEE, ENGLAND SRX - R. STUBBINGS, AUSTRALIA MLF - L. MONARD, SOUTH AFRICA ZRE - R. ZISSELL, 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 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! ____________________________________________________________________________