Moon setting at dawn over the Matterhorn, the Gorner Glacier and Kulmhotel at the Gornergrat, Zermatt, Valais, Switzerland, Europe

Star trail in the night sky on Matterhorn from observatory tower of Kulmhotel Gornergrat, Zermatt, Valais canton, Switzerland, Europe

Stars over the snowcapped mountains and Kulmhotel Gornergrat, Zermatt, canton of Valais, Switzerland, Europe

Stars over Matterhorn viewed from the observatory tower of Kulmhotel Gornergrat, Zermatt, canton of Valais, Switzerland, Europe

Starry sky over the Kulmhotel Gornergrat and Matterhorn, Zermatt, canton of Valais, Switzerland, Europe

View from Gornergrat station to Kulmhotel, the highest hotel in the Swiss Alps (3100 m) at Gornergrat, Zermatt, Valais, Switzerland

Kulmhotel, High Altitude Research Station KOSMA and TIRGO Observatory, Gornergrat, Matterhorn, Mount Cervin, Zermatt Valais Switzerland