OK, will do. I also checked out http://www.atlasobscura.com/places/pionen-data-center in Södermalm. It was shut but you can see a bit through the glass doors. Missed out on http://www.atlasobscura.com/places/r1-nuclear-reactor though :(.

Here you go: http://unop.co.uk/misc/sweden-solar-system-photos/

I've also submitted it to HN: https://news.ycombinator.com/item?id=8181696

Enjoy!