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: 0324+58 AF CAM 1925+42 V1504 CYG No. 332 1841+37 AY LYR 2209+12 RU PEG August 19, 1998 ---------------------------------------------------------------------------- 0324+58 AF CAMELOPARDALIS The dwarf nova type cataclysmic variable AF CAM appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials AUG 16.070 <15.1 PYG AUG 19.022 13.7 PYG AUG 17.99 <14.3 KTO ---------------------------------------------------------------------------- 1841+37 AY LYRAE The dwarf nova type (SU UMA subclass) cataclysmic variable AY LYR is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials AUG 17.931 <15.3 PYG AUG 18.926 13.1 PYG AUG 17.96 <15.5 KTO AUG 19.033 13.1 PYG AUG 18.86 13.6 KTO ---------------------------------------------------------------------------- 1925+42 V1504 CYGNI The dwarf nova type cataclysmic variable V1504 CYG appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials AUG 15.994 <15.7 PYG AUG 18.949 15.2 PYG AUG 16.911 <15.5 PYG AUG 19.035 15.3 PYG AUG 17.901 <15.3 PYG ---------------------------------------------------------------------------- 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 AUG 16.030 12.6 PYG AUG 18.9583 11.8 MED AUG 16.931 12.6 DPA AUG 18.987 11.2 PYG AUG 17.89 12.5 KTO AUG 19.0722 11.2 KMA AUG 18.5451 12.5 SRX AUG 19.4632 11.0 SRX AUG 18.85 11.7 KTO ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: DPA - A. DIEPVENS, BELGIUM MED - K. MEDWAY, ENGLAND KMA - M. KOMOROUS, CANADA PYG - G. POYNER, ENGLAND KTO - T. KINNUNEN, FINLAND SRX - R. STUBBINGS, AUSTRALIA 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! ____________________________________________________________________________