| Aerts Conny | University of Leuven |
| Ausseloos Mario | University of Leuven |
| Bourge Pierre-Olivier | University of Liège |
| Briquet MAryline | University of Leuven |
| Cuypers Jan | Royal Observatory |
| Daszynska Jadwiga | University of Leuven |
| De Cat Peter | University of Leuven |
| De Ridder Joris | University of Leuven |
| Dupret Marc-Antoine | Instituto de Astrofisica de Andalucia, Granada |
| Frémat Yves | Royal Observatory |
| Freyhammer Lars | Royal Observatory |
| Gabriel Maurice | University of Liège |
| Gambron Philippe | University of Liège |
| Grigahcene Ahmed | Instituto de Astrofisica de Andalucia, Granada |
| Hensberge Herman | Royal Observatory |
| Lampens Patricia | Royal Observatory |
| Lenain Gaëtane | University of Liège |
| Michel Eric | Observatoire de Paris-Meudon |
| Miglio Andrea | University of Milano-Brera |
| Montalban Josefina | University of Liège |
| Noels Arlette | University of Liège |
| Scuflaire Richard | University of Liège |
| Theado Sylvie | Centra de Astrofisica, Porto |
| Thoul Anne | University of Liège |