Registration (ENAA fee) – 60,00 EUR.
ENAA + SPA Combo (including SPA membership fee) – 100,00 EUR (effective member) / 80,00 EUR (non-effective member).

You can proceed to the payment of the registration fee following the link:


In order to get the receipt, please remember to insert the NIF of your institution, and its name and address
in the “Observations” field.

The payment of the XXIII ENAA is handled by the Sociedade Portuguesa de Astronomia (SPA).
The SPA will send the receipt by email to the address provided in the registration page.


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