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: 0124+57 KU CAS 0804+28 YZ CNC No. 493 0139+37 AR AND 1207-43 MU CEN September 7, 1999 0217+70 AM CAS 1701-32 FQ SCO 0611+15 CZ ORI 1958+56 V1028 CYG 0803+62 SU UMA ---------------------------------------------------------------------------- 0124+57 KU CASSIOPEIAE The dwarf nova type (SS CYG subclass) cataclysmic variable KU CAS appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials AUG 20.2120 19.08 CCDV ZRE SEP 04.105 <13.8 MUY AUG 28.015 <15.2 PYG SEP 07.2035 14.4 HSG ---------------------------------------------------------------------------- 0139+37 AR ANDROMEDAE The dwarf nova type cataclysmic variable AR AND is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials SEP 04.112 <13.6 MUY SEP 06.968 11.7 DPV SEP 05.93 13.4 KTO SEP 07.1993 12.2 HSG SEP 06.3125 12.1 HSG ---------------------------------------------------------------------------- 0217+70 AM CASSIOPEIAE The dwarf nova type (Z CAM subclass) cataclysmic variable AM CAS is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials AUG 31.924 <13.5 MUY SEP 06.3174 12.6 HSG SEP 03.930 13.3 DPV SEP 06.944 12.9 DPV SEP 04.902 13.4 DPV SEP 07.2042 12.6 HSG SEP 05.1965 12.9 HSG ---------------------------------------------------------------------------- 0611+15 CZ ORIONIS The dwarf nova type cataclysmic variable CZ ORI is undergoing an outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials AUG 22.8014 <13.9 SRX SEP 04.128 12.5: MUY SEP 02.7854 12.2 SRX SEP 06.7562 13.5 SRX ---------------------------------------------------------------------------- 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 SEP 03.13 <12.7 SPK SEP 04.0694 12.0 CMG SEP 03.868 12.10 CCD SMI SEP 04.13 12.1 SPK SEP 04.05 12.0 KTO SEP 04.135 12.0 MUY ---------------------------------------------------------------------------- 0804+28 YZ CANCRI The dwarf nova type (SU UMA subclass) cataclysmic variable YZ CNC appears to be in outburst, as indicated by the following observation: AAVSO Observer UT Mag. Initials SEP 04.133 12.1 MUY ---------------------------------------------------------------------------- 1207-43 MU CENTAURI The dwarf nova type (SS CYG subclass) cataclysmic variable MU CEN may be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials SEP 02.3896 <14.2 SRX SEP 07.3882 14.2 SRX ---------------------------------------------------------------------------- 1701-32 FQ SCORPII The dwarf nova type (SS CYG subclass) cataclysmic variable FQ SCO is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials SEP 02.4118 <15.0 SRX SEP 05.734 13.0 OB SEP 03.7 <13.4 OB SEP 06.5139 13.0 SRX SEP 04.5153 13.4 SRX SEP 07.4083 13.5 SRX SEP 04.731 13.4 OB ---------------------------------------------------------------------------- 1958+56 V1028 CYGNI The dwarf nova type (SU UMA subclass) cataclysmic variable V1028 CYG is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials AUG 27.997 <15.1 PYG SEP 06.2896 13.5 HSG AUG 30.933 <13.7 MGH SEP 07.1875 13.3 HSG SEP 05.1889 14.0 HSG SEP 07.2813 13.4 BTH ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: BTH - T. BURROWS, USA OB - M. OVERBEEK, SOUTH AFRICA CMG - G. COMELLO, NETHERLANDS PYG - G. POYNER, ENGLAND DPV - P. DUBOVSKY, SLOVAKIA SMI - A. SMITH, ENGLAND HSG - G. HANSON II, USA SPK - P. SCHMEER, GERMANY KTO - T. KINNUNEN, FINLAND SRX - R. STUBBINGS, AUSTRALIA MGH - H. MCGEE, ENGLAND ZRE - R. ZISSELL, USA MUY - E. MUYLLAERT, BELGIUM 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! ____________________________________________________________________________