By the way, the strange black boxes in these photos are part of the Kilpisjärvi Atmospheric Imaging Receiver Array (KAIRA). The mountain directly under the Sun in the second photo is famous Saana.
In due time I will write about how these were done in detail, in case you want to try yourself.
You can click on the above images to get larger versions.
Original photos and panoramas: Thomas Ulich.
Another article about this you can find on the KAIRA blog.