ATTENTION: the 2023 Calendar is on sale until 9 January 2023. The paper version of the calendar (in French and Dutch) is on sale at the Observatory or Planetarium for € 5,00.

It may also be shipped:

Price + € 2.5 shipping cost per copy :  € 7,50

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