Links
Info about aurora:
Spaceweather, with a beautiful aurora gallery 
Tromsø Geophysical Observatory, Norway
National Oceanic& Atmospheric Adm
Touristic info
Laukvik info
( Photo) links from our guests
Peter en Annemarie van Soest 
Youtube picture movie
Fredrik Broms Northern Lights Photography
inspired by light
Jan Koeman solargraphy experiment succeeded