The calendar 2026 (in French and Dutch) is on sale online or at the Planetarium for € 10,00.

It may also be shipped (more info via rob_info@oma.be):

Price + € 2.5 shipping cost per copy :  € 12,50

To pay on the bank account IBAN: BE59 6792 0071 5026   (BIC: PCHQBEBB)

Observatory – space group

Ringlaan 3 1180 Brussels

Communication : calendar 20xx + number of copies + delivery address