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: 1804+67 EX DRA 1934+30 EM CYG No. 302 1805-14 UZ SER 2026-45 TU IND May 22, 1998 ---------------------------------------------------------------------------- 1804+67 EX DRACONIS The dwarf nova type cataclysmic variable EX DRA is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAY 18.2996 16.56 CCDV ZRE MAY 21.2410 15.3 ZRE MAY 19.024 15.6 PYG MAY 22.3875 14.5 HSG MAY 19.1632 15.3 ZRE MAY 22.4340 14.4 HSG ---------------------------------------------------------------------------- 1805-14 UZ SERPENTIS The dwarf nova type (POSSIBLE Z CAM subclass) cataclysmic variable UZ SER is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAY 18.5118 <14.2 SRX MAY 22.5333 13.2 SRX MAY 22.4139 13.5 HSG ---------------------------------------------------------------------------- 1934+30 EM CYGNI The dwarf nova type (Z CAM subclass) cataclysmic variable EM CYG is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAY 19.1139 13.4 BRJ MAY 22.0806 12.9 SWT MAY 19.9 13.0 VET MAY 22.4042 12.6 HSG MAY 20.9 12.8 VET ---------------------------------------------------------------------------- 2026-45 TU INDI The dwarf nova type cataclysmic variable TU IND appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAY 02.5917 15.0 SRX MAY 22.5222 14.0 SRX MAY 18.5250 <14.4 SRX ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: BRJ - J. BORTLE, USA SWT - R. STEWART, USA HSG - G. HANSON, USA VET - M. VERDENET, FRANCE PYG - G. POYNER, ENGLAND ZRE - R. ZISSELL, USA 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 PLEASE NOTE: In response to requests from some of our observers, starting with this News Flash we are adding the designation of the stars we report in this publication and putting them in order of designation. We hope this will help our observers. NOTE OF THANKS: News Flashes gets published whenever there is news of stars that you, our observers report. I very much thank you for your valuable observations and timely reports. I also thank sincerely our technical assistants Rebecca Pellock, Kerri Malatesta and Elizabeth O. Waagen who make sure the News Flashes are published in a timely fashion even when I am away from our Headquarters. ____________________________________________________________________________ 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! ___________________________________________________________________________