Astrophysical Institute,
University of Brussels (VUB), Pleinlaan 2, B-1050 Brussels, Belgium
G. Busarello
Observatorio Astronomico di
Capodimonte, Via Moiariello 16, I-80131 Napoli, Italy
M. Dumont
S. Ferrand
J. C. Misson
J. Remis
GEOS, Promenade Venezia, 3,
F-78000 Versailles, France
Liu Zongli
Beijing Observatory,
Chinese Academy of Sciences, 10080 Beijing, China
A. Pigulski
Wroclaw University
Observatory, ul. Kopernika 11, Pl 41-622 Wroclaw, Poland
Presented at the First
European Meeting of the AAVSO Brussels, July 24-28, 1990
Abstract
We have been observing BW
Vul several nights per season in order to monitor the changes in its period.
This paper describes some of the work carried out in collaboration with amatuer
astronomers.