Exsociate astronomy links

Worthwile astronomy information from ex-associates at the ex-Sterrekundig Instituut Utrecht:

         Rob van Gent:   historical astronomy and calendars

         Karel Schrijver:   solar link collection      solar-stellar picture gallery      astronomy pictures      TRACE images & movies

         Louis Strous:   astronomy answers      astronomie antwoorden



Rob Rutten 2017-09-26