Chile

Finally El Niño gave us a break and we had a spectacular clear night, which I used for some wide-field

On May 9, 2016, the planet Mercury passed directly in front of the sun (visible as a small black dot

Enjoying the beauty of the nightsky in the Salt Cordillera in the area of San Pedro de Atacama. The band

All the other wonderful tours and activities in San Pedro de Atacama notwithstanding, this was the absolute highlight for me.

Humberstone was the biggest "nitrate town" in northern Chile, producing salpeter that was used as fertilizer as well as for

The Polloquere hot springs are located at 4318 meters in the Salar de Surire in northern Chile (Parinacota region). This

I was very lucky and could to join a daytime visit to the Atacama Large Millimeter/submillimeter Array (ALMA). ALMA is

Inspired by the enchanting landscape of the "Norte Chico". Click to view larger picture.

My all-time favorite: our starlight horseback ride. My friendly models this time are Denise and Chacay (one of our younger

Another delightful visit to Tololo. This time together with Eric, an astrophotographer from the US, and Jan Hattenbach, science writer