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: 0046+53 V452 CAS 1848+26 CY LYR No. 510 1835-33 V3774 SGR October 8, 1999 ---------------------------------------------------------------------------- 0046+53 V452 CASSIOPEIAE The dwarf nova type (SS CYG subclass) cataclysmic variable V452 CAS appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 05.305 18.2: CCD SPK OCT 08.304 16.2 CCD SPK OCT 06.305 18.0: CCD SPK ---------------------------------------------------------------------------- 1835-33 V3774 SAGITTARII The dwarf nova type cataclysmic variable V3774 SGR appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 04.117 <17.0 CCD SPK OCT 06.105 15.4 CCD SPK OCT 05.105 <17.0 CCD SPK OCT 08.116 15.2 CCD SPK ---------------------------------------------------------------------------- 1848+26 CY LYRAE The dwarf nova type cataclysmic variable CY LYR is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 07.02 <15.0 BRJ OCT 08.1069 13.6 HSG OCT 07.0694 <14.0 MKJ OCT 08.1420 13.54 CCDV ZRE OCT 07.1375 <14.0 SXN OCT 08.1736 13.5 HSG OCT 07.2000 <14.0 BTH OCT 08.1750 13.3 SQN OCT 08.0111 14.1 BRJ OCT 08.2229 13.3 BTH ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: BRJ - J. BORTLE, USA SPK - P. SCHMEER, GERMANY BTH - T. BURROWS, USA SQN - L. SHAW, USA HSG - G. HANSON II, USA SXN - M. SIMONSEN, USA MKJ - J. MCKENNA, USA ZRE - R. ZISSELL, 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! ____________________________________________________________________________