herbraab:
Old Observatory of the University of Graz
herbraab:
Old Observatory of the University of Graz
herbraab:
Old Observatory of the University of Graz
herbraab:
Former Naval Observaory in Pola
herbraab:
Former Naval Observaory in Pola
herbraab:
Former Naval Observaory in Pola
herbraab:
Osservatorio Astronomico di Capodimonte, Naples
herbraab:
Osservatorio Astronomico di Capodimonte, Naples
herbraab:
VEGA Observatory, Salzburg
herbraab:
1.0m Reflector, VEGA Observatory, Salzburg
herbraab:
VEGA Observatory, Salzburg
herbraab:
Deutsches Museum, Munich
herbraab:
Goodwill Moonrock, Deutsches Museum, Munich
herbraab:
400mm Goerz-Reflector, Deutsches Museum, Munich
herbraab:
9-inch Fraunhofer Refractor, Deutsches Museum, Munich
herbraab:
300mm Zeiss Refractor, Deutsches Museum, Munich
herbraab:
300mm Zeiss Refractor, Deutsches Museum, Munich
herbraab:
Mechanical Planetarium, Deutsches Museum, Munich
herbraab:
Deutsches Museum, Munich
herbraab:
Osservatorio Astronomico di Roma, Solar Tower
herbraab:
Osservatorio Astronomico di Roma
herbraab:
Vatican Observatory, Castel Gandolfo
herbraab:
Castel Gandolfo, Vatican Observatory
herbraab:
Castel Gandolfo, Vatican Observatory
herbraab:
Vatican Observatory, Castel Gandolfo
herbraab:
Vatican Observatory, Castel Gandolfo
herbraab:
Einstein Tower
herbraab:
Einstein Tower
herbraab:
Einstein Tower
herbraab:
Einstein Tower, Potsdam
