While working on ASTROSIM I found the Stellarium desktop planetarium, a beautiful program that can simulate the night sky. One especially useful feature are panorama horizons which, if properly configured, can simulate the real landscape horizon also on a potentially historically relevant site.

By 2010 I had joined the developing team and helped improving astronomical accuracy and some software issues:

Another neat trick: Creating panoramas from Google Earth.

© Georg Zotti, Wien.