thanks, it was only an experiment after an idea i got..
@Phyrephox: that's the exact timer i used! i don't have a picture of the setup though, but i glued a metric flat washer on top of the timer,in addition to an appropriate sized screw and a bolt. Finally i secured the camera with a line, because i the window was open the whole time. That's by the way my bedroom view
In the summer we almost have midnight sun here. Midsummer the sun only manages to sneak under the horizon for an hour or two..
Total amount of pictures: around 2000
The pictures where taken between ~12am to ~5am