Byurakan Astrophysical Observatory
A facility of the Armenian Academy of Sciences, founded in
1946 through the efforts of Viktor Ambartsumian.
Located at an altitude of 1,500 meters (5,000 ft) on Mount Aragatz, 40 km
(25 miles) to the north of Yerevan (in sight of Mount Ararat), its main
instrument is a 2.6-meter (100-inch) reflector.