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 2209+12 RU PEG No. 562 0518+00 BI ORI 2325+43 DX AND January 24, 2000 0547-05 CN ORI ---------------------------------------------------------------------------- 0401+50 FO PERSEI The dwarf nova type cataclysmic variable FO PER appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JAN 22.804 <14.2 OJR JAN 23.798 13.3 OJR JAN 23.767 13.9 MUY ---------------------------------------------------------------------------- 0518+00 BI ORIONIS The dwarf nova type cataclysmic variable BI ORI appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JAN 08.1944 <15.1 HSG JAN 23.4701 14.7 SRX JAN 11.2417 <14.2 SXN ---------------------------------------------------------------------------- 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 JAN 15.897 14.6 PYG JAN 22.5035 12.7 SRX JAN 15.968 <13.6 OJR JAN 22.98 12.5 DGP JAN 16.1076 13.4 DKS JAN 23.838 12.8 OJR JAN 20.4889 <12.8 SRX JAN 23.938 12.9 PYG JAN 21.1993 13.1 KB JAN 24.0708 12.6 KB ---------------------------------------------------------------------------- 2209+12 RU PEGASI The dwarf nova type (SS CYG subclass) cataclysmic variable RU PEG is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JAN 17.813 12.4 MGH JAN 22.98 10.7 DGP JAN 21.778 10.8 MGH JAN 23.736 11.1 MUY JAN 21.8 11.0 GUN JAN 23.774 11.2 OJR JAN 22.743 11.0 PYG JAN 23.8 11.0 GUN JAN 22.770 11.2 OJR ---------------------------------------------------------------------------- 2325+43 DX ANDROMEDAE The dwarf nova type cataclysmic variable DX AND is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JAN 15.808 14.7 PYG JAN 22.774 12.6 OJR JAN 15.876 <13.8 MGH JAN 22.792 12.4 PYG JAN 17.0583 <13.0 SXN JAN 22.98 12.3 DGP JAN 17.817 <13.0 MGH JAN 23.740 12.5 MUY JAN 21.781 12.3 MGH JAN 23.775 12.6 OJR JAN 21.8111 12.7 JCN JAN 23.822 12.1 PYG JAN 22.0375 12.6 SXN ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: DGP - G. DYCK, USA MGH - H. MCGEE, ENGLAND DKS - S. DVORAK, USA MUY - E. MUYLLAERT, BELGIUM GUN - J. GUNTHER, FRANCE OJR - J. OSORIO, SPAIN HSG - G. HANSON II, USA PYG - G. POYNER, ENGLAND JCN - C. JONES, ENGLAND SRX - R. STUBBINGS, AUSTRALIA KB - W. KAMINSKI, USA SXN - M. SIMONSEN, 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! ____________________________________________________________________________