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: 0401+50 FO PER 0804+28 YZ CNC No. 411 0547-05 CN ORI 0959+68 CH UMA March 22, 1999 0803+62 SU UMA ---------------------------------------------------------------------------- 0401+50 FO PERSEI The dwarf nova type cataclysmic variable FO PER is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 17.0710 17.63 CCDV ZRE MAR 20.9 13.4 VET MAR 18.1 <14.2 CGF MAR 21.0420 13.55 CCDV ZRE MAR 19.0792 13.2 CGF MAR 21.864 13.0 OJR ---------------------------------------------------------------------------- 0547-05 CN ORIONIS The dwarf nova type (Z CAM subclass) cataclysmic variable CN ORI is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 18.843 <14.3 PYG MAR 21.0125 13.6 DPL MAR 19.0938 <13.3 BEB MAR 21.885 13.0 OJR MAR 20.0687 <13.3 BEB ---------------------------------------------------------------------------- 0803+62 SU URSAE MAJORIS The dwarf nova type (SU UMA subclass prototype) cataclysmic variable SU UMA is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 19.90 14.2 KTO MAR 21.1188 14.1 GRI MAR 20.0924 13.8 KMA MAR 21.1467 <13.2 BEB MAR 20.1965 13.8 MDP MAR 21.927 12.9 OJR MAR 20.2556 <13.2 BEB MAR 22.1588 12.9 BEB MAR 20.338 14.0 MRV MAR 22.1972 12.3 AAP ---------------------------------------------------------------------------- 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 18.897 14.5 PYG MAR 21.890 11.9 OJR MAR 20.2298 <13.3 BEB MAR 22.1514 11.9 BEB MAR 21.0920 15.09 CCDV ZRE MAR 22.2000 11.9 AAP MAR 21.1352 <13.3 BEB ---------------------------------------------------------------------------- 0959+68 CH URSAE MAJORIS The dwarf nova type cataclysmic variable CH UMA appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 18.859 15.0: PYG MAR 21.930 13.2 OJR MAR 20.365 14.9 MRV ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: AAP - A. ABBOTT, CANADA MDP - P. MCDONALD, CANADA BEB - R. BERG, USA MRV - R. MODIC, USA CGF - G. CHAPLE JR., USA OJR - J. OSORIO, SPAIN DPL - P. DOMBROWSKI, USA PYG - G. POYNER, ENGLAND GRI - J. GRIESE III, USA VET - M. VERDENET, FRANCE KMA - M. KOMOROUS, CANADA ZRE - R. ZISSELL, USA KTO - T. KINNUNEN, FINLAND 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! ____________________________________________________________________________