- 8 December 2022
- 14 June 2019
- 04 June 2018
- 19 September 2017
- 11 October 2016
- 19 May 2015
- 30 April 2014
- 29 April 2013
- 14 May 2012
- 17 May 2011
- 25 May 2010
| Secretary: Rodrigo ALVAREZ | Chairman: Lionel SIESS |
| Royal Observatory of Belgium | Institut d'Astronomie et
d'Astrophysique Université Libre de Bruxelles |
| Ringlaan 3, 1180 Ukkel | Campus Plaine, CP 226, 1050 Bruxelles |
| Tel: + 32 2 474 70 53 | Tel: + 32 2 650 55 16 |
| rodrigo.alvarez@oma.be | lionel.siess@ulb.be |