The International Science Council includes GeoNight among the events listed on its website

The International Science Council,  a non-governmental organization that brings together more than 245 international scientific Unions and Associations, national and regional scientific organizations (including Academies and Research Councils, international Federations and Societies, and Young Academies and Associations), has included GeoNight among the events reported on its website.

Here the weblink:

Many thanks, ISC!