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: 0524-03 V1159 ORI 0814+73 Z CAM No. 1128 0804+28 YZ CNC March 19, 2003 ---------------------------------------------------------------------------- 0524-03 V1159 ORIONIS The dwarf nova type (SU UMA subclass) cataclysmic variable V1159 ORI appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 16.8530 <13.6 PYG MAR 18.8150 13.4 PYG MAR 17.4896 <12.4 MTH ---------------------------------------------------------------------------- 0804+28 YZ CANCRI The dwarf nova type (SU UMA subclass) cataclysmic variable YZ CNC is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 16.8227 14.88 CCD DRG MAR 18.8640 12.2 PYG MAR 16.8850 <13.8 PYG MAR 18.9027 11.9 OCR MAR 17.4640 <12.0 SRX MAR 18.9911 12.80 CCD DRG MAR 18.3354 12.3 LMK MAR 19.1060 12.39 CCDV ZRE MAR 18.7972 12.0 GCO ---------------------------------------------------------------------------- 0814+73 Z CAMELOPARDALIS The dwarf nova type (Z CAM subclass prototype) cataclysmic variable Z CAM appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 18.8380 12.9 PYG MAR 19.8368 11.4 OCR MAR 18.8923 12.8 OCR ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: DRG - R. DIETHELM, SWITZERLAND OCR - C. OTTEN, BELGIUM GCO - C. GUALDONI, ITALY PYG - G. POYNER, ENGLAND LMK - M. LINNOLT, USA SRX - R. STUBBINGS, AUSTRALIA MTH - H. MATSUYAMA, JAPAN 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 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! ____________________________________________________________________________