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: 0130+50 KT PER 1612-54 HP NOR No. 595 0830+21 CC CNC 1640+25 AH HER March 23, 2000 0956+34 RU LMI 1804+67 EX DRA ---------------------------------------------------------------------------- 0130+50 KT PERSEI The dwarf nova type (Z CAM subclass) cataclysmic variable KT PER may be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 14.804 14.9 PYG MAR 18.808 <14.5 PYG MAR 15.1208 <14.1 HSG MAR 19.803 <13.3 MUY MAR 15.807 <13.8 OJR MAR 22.81 12.5 VET ---------------------------------------------------------------------------- 0830+21 CC CANCRI The dwarf nova type cataclysmic variable CC CNC may be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 21.883 <14.5 PYG MAR 23.4535 13.8 SRX MAR 23.4146 13.8 SRX ---------------------------------------------------------------------------- 0956+34 RU LEONIS MINORIS The dwarf nova type cataclysmic variable RU LMI appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 18.3090 17.0 RR MAR 23.3514 14.7 RR MAR 21.889 <14.2 PYG ---------------------------------------------------------------------------- 1612-54 HP NORMAE The dwarf nova type (Z CAM subclass) cataclysmic variable HP NOR may be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 16.7083 14.0 SRX MAR 20.7368 13.0 SRX MAR 17.8146 13.7 PEX MAR 23.4521 13.2: SRX ---------------------------------------------------------------------------- 1640+25 AH HERCULIS The dwarf nova type (Z CAM subclass) cataclysmic variable AH HER appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 18.2510 14.36 CCDV ZRE MAR 23.2330 12.95 CCDV ZRE MAR 19.035 14.0 PYG ---------------------------------------------------------------------------- 1804+67 EX DRACONIS The eclipsing dwarf nova type cataclysmic variable EX DRA appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 14.4688 <15.3 HSG MAR 18.2778 15.2 CCDV ZRE MAR 15.067 15.3 PYG MAR 23.2500 13.7 CCDV ZRE ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: HSG - G. HANSON II, USA RR - R. ROYER, USA MUY - E. MUYLLAERT, BELGIUM SRX - R. STUBBINGS, AUSTRALIA OJR - J. OSORIO, SPAIN VET - M. VERDENET, FRANCE PEX - A. PEARCE, AUSTRALIA ZRE - R. ZISSELL, USA PYG - G. POYNER, ENGLAND 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 Kerri Malatesta, 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! ____________________________________________________________________________