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: 1918+04 V1494 AQL 2209+12 RU PEG No. 539 December 3, 1999 ---------------------------------------------------------------------------- 1918+04 V1494 AQUILAE The new nova V1494 AQL (see AAVSO Alert Notice 264 and News Flash No. 537) continues to brighten, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials DEC 02.1146 4.9 CCDV RR DEC 02.814 4.2 SPK DEC 02.2208 4.5: SOQ DEC 02.8230 4.7 ONJ DEC 02.260 5.0 BNV DEC 02.925 4.4 MTM DEC 02.4646 4.2 MHI DEC 02.9264 4.3 DPL DEC 02.700 4.0 SOV DEC 02.9375 4.2 LX DEC 02.718 4.0 TUB DEC 02.9410 4.0 GLG DEC 02.7222 4.5 FSE DEC 02.9472 4.7 COV DEC 02.7250 4.4 FSE DEC 02.9792 4.5 HDU DEC 02.7292 4.1 TTU DEC 02.9819 3.7 ZXI DEC 02.740 4.2 WDM DEC 02.9896 4.3 GHR DEC 02.7424 4.6 BSR DEC 02.9900 3.9 AWI DEC 02.7479 4.2 BSR DEC 02.9938 4.0 SCE DEC 02.7674 5.0 PAY DEC 03.0000 4.1 LKE DEC 02.7708 4.3 MDM DEC 03.01 4.3 CMV DEC 02.7778 4.0 BSR DEC 03.0278 4.2 KB DEC 02.779 4.5 GLC DEC 03.0500 4.0 PFJ DEC 02.781 4.4 OJR DEC 03.0681 4.3 COL DEC 02.7847 3.9 BSR DEC 03.1076 4.0 MZX DEC 02.7882 3.7 BSR DEC 03.125 4.2 LMK DEC 02.799 4.6 BCW DEC 03.6875 4.2 KHL ---------------------------------------------------------------------------- 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 NOV 30.87 <12.5 GGX DEC 02.0549 12.1 CGF NOV 30.9924 12.4 KMA DEC 02.2 11.2 GUN DEC 01.0090 12.3 CGF DEC 02.72 10.6 KTO DEC 01.2 12.5 GUN DEC 02.9881 10.2 DPL DEC 01.763 12.3 MUY DEC 03.0000 10.4 SCE ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: AWI - W. ANTHONY, USA LMK - M. LINNOLT, USA BCW - C. BASSA, NETHERLANDS LX - W. LOWDER, USA BNV - N. BIVER, NORWAY MDM - D. MOODY, SCOTLAND BSR - S. BARONI, ITALY MHI - H. MENALI, TURKEY CGF - G. CHAPLE JR., USA MTM - M. MATTEI, USA CMV - M. COVINGTON, USA MUY - E. MUYLLAERT, BELGIUM COL - P. COLLINS, USA MZX - A. MENZL, WASHINGTON COV - V. COULEHAN, USA OJR - J. OSORIO, SPAIN DPL - P. DOMBROWSKI, USA ONJ - J. O'NEILL, IRELAND FSE - S. FOGLIA, ITALY PAY - A. PACE, MALTA GGX - G. GUZMAN, FRANCE PFJ - F. PRICE, USA GHR - R. GROSSENBACHER, USA RR - R. ROYER, USA GLC - C. GLOWINSKI, F. R. GERMANY SCE - C. SCOVIL, USA GLG - G. GLIBA, USA SOQ - O. STAIGER, SWITZERLAND GUN - J. GUNTHER, FRANCE SOV - O. SKILBREI, NORWAY HDU - D. HURDIS, USA SPK - P. SCHMEER, GERMANY KB - W. KAMINSKI, USA TTU - T. TEZEL, TURKEY KHL - M. KOHL, SWITZERLAND TUB - V. TUBOLY, HUNGARY KMA - M. KOMOROUS, CANADA WDM - M. WESTLUND, SWEDEN KTO - T. KINNUNEN, FINLAND ZXI - X. ZHU, USA LKE - K. LOOMIS, 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! ____________________________________________________________________________