The Yearbook

This yearbook is intended to provide the necessary information to various public services for; it also aims to give all the information of interest to those who wish to observe astronomical phenomena.

The yearbook is on sale at the Observatory or Planetarium for €13,00

Annual Reports

Latest annual reports of the scientific activities

Calendars

To mark its bicentenary, the Royal Observatory of Belgium is selling its special 2026 calendar.

The calendar is on sale online and at the Planetarium for € 10,00.