These were taken in Amsterdam, Haarlem and again in Amsterdam (shots of train stations
delineate locales) on 24-26 and 30 May 2008.
The Foucault pendulum in the
Great Church in Haarlem is the only astronomical connection I could find.
Plenty of great museums (though some were closed for renovation and a
stupendous tram system make
Amsterdam a good city to visit in the rain (which we encountered).