THE AMERICAN ASSOCIATION OF VARIABLE STAR OBSERVERS 25 Birch Street, Cambridge, MA 02138 USA Tel. 617-354-0484 Fax 617-354-0665 INTERNET: aavso@aavso.org * * * AAVSO NEWS FLASH * * * Subject: FO And, CR Boo, GX Cas, No. 243 RU LMi, DI UMa January 2, 1998 ________________________________________________________________________________ FO ANDROMADAE The dwarf nova type (SU UMa subclass) cataclysmic variable FO And appears to be in narrow outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials DEC 27.1049 <15.4 HSG DEC 31.983 14.3 CGF DEC 27.836 <15.3 PYG JAN 01.0440 14.83 CCDV ZRE DEC 28.0979 <15.4 HSG JAN 01.972 <13.1 PYG DEC 31.868 15.1 PYG JAN 02.2188 15.2 HSG ----------------------------------------------------------------------------- CR BOOTIS The magnetic variable CR Boo appears to be active, as inidicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials DEC 10.5292 14.0 HSG DEC 28.5403 <15.4 HSG DEC 27.5326 14.5: HSG JAN 02.5056 13.6 HSG ----------------------------------------------------------------------------- GX CASSIOPEIAE The dwarf nova type (SU UMa subclass) catatclysmic variable GX Cas appears to be in narrow outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials DEC 27.1063 <15.2 HSG JAN 01.0278 14.3 BRJ DEC 27.806 <15.2 PYG JAN 01.951 <14.5 PYG DEC 28.1007 <15.2 HSG JAN 02.006 15.0: PYG DEC 29.023 <15.2 PYG JAN 02.1153 15.4 HSG DEC 31.815 14.1 PYG JAN 02.2174 15.3 HSG JAN 01.001 14.3 PYG ----------------------------------------------------------------------------- RU LEONIS MINORIS The dwarf nova type catatclysmic variable RU LMi appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials DEC 27.3083 <14.8 HSG DEC 29.099 <15.5 PYG DEC 28.3292 <14.8 HSG JAN 01.021 15.0 PYG ----------------------------------------------------------------------------- DI URSAE MAJORIS The dwarf nova type catatclysmic variable DI UMa may be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials DEC 28.3347 <15.5 HSG JAN 02.091 <14.2 PYG DEC 29.073 <15.3 PYG JAN 02.2500 14.7 HSG DEC 31.960 14.9 PYG ----------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: BRJ - J. Bortle, USA PYG - G. Poyner, England CGF - G. Chaple, USA ZRE - R. Zissell, USA HSG - G. Hanson, 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 ________________________________________________________________________________ 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 sending a message to: observations@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 We look forward to including your observations in future editions of AAVSO NEWS FLASH! _______________________________________________________________________________