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: 0547-05 CN ORI 1859+16 V1413 AQL No. 684 1804+67 EX DRA 2043+41 V516 CYG October 17, 2000 1848+26 CY LYR 2131+40 V630 CYG ---------------------------------------------------------------------------- 0547-05 CN ORIONIS The dwarf nova type (Z CAM subclass) cataclysmic variable CN ORI appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 12.183 <13.6 MUY OCT 15.823 <12.8 PEX OCT 13.799 <13.0 PEX OCT 16.790 12.8 PEX ---------------------------------------------------------------------------- 1804+67 EX DRACONIS The eclipsing dwarf nova type cataclysmic variable EX DRA appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 16.801 15.0 PYG OCT 17.0938 14.1 HSG OCT 16.822 <14.5 OJR ---------------------------------------------------------------------------- 1848+26 CY LYRAE The dwarf nova type cataclysmic variable CY LYR appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 16.816 <15.1 PYG OCT 17.0979 13.6 HSG OCT 16.817 <14.0 OJR ---------------------------------------------------------------------------- 1859+16 V1413 AQUILAE The symbiotic variable V1413 AQL may be entering an eclipse, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 01.828 13.0 RMQ OCT 11.808 13.1 PYG OCT 02.833 13.1 RMQ OCT 12.0854 13.0 SXN OCT 08.813 13.1 PYG OCT 13.738 13.1 RMQ OCT 09.811 13.1 PYG OCT 16.785 13.7 PYG ---------------------------------------------------------------------------- 2043+41 V516 CYGNI The dwarf nova type (SS CYG subclass) cataclysmic variable V516 CYG is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 11.1372 16.29 SFK OCT 16.847 14.3 PYG OCT 11.876 <15.0 PYG OCT 17.1306 14.5 HSG ---------------------------------------------------------------------------- 2131+40 V630 CYGNI The dwarf nova type (possible SU UMA subclass) cataclysmic variable V630 CYG appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 08.938 <15.2 PYG OCT 16.853 14.9 PYG OCT 09.869 <15.0 PYG OCT 17.1319 15.0 HSG OCT 11.881 <14.9 PYG ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: HSG - G. HANSON II, USA PYG - G. POYNER, ENGLAND MUY - E. MUYLLAERT, BELGIUM RMQ - M. RESZELSKI, POLAND OJR - J. OSORIO, SPAIN SFK - F. SCHEDER, USA PEX - A. PEARCE, AUSTRALIA 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! ____________________________________________________________________________