–part 3 of the essay One year on Mt. Wendelstein–

If the weather conditions are just right, inversion can occur. This means that the mountain pierces the cloud layer, leading to amazing observing conditions for astronomy. More important to this essay, however, is that it gives photos a surreal touch as everything seems to be swimming in a sea of white. This photo, taken with a long focal length in full spectrum, makes it very hard to judge the time it was recorded. It was actually during a full-moon night!