Belogradchik Observatory was created in 1961.
The population of Belogradchik is 5,334.
The population of Belogradchik Municipality is 7,045.
The area of Belogradchik Municipality is 411 square kilometers.
Morris Observatory was created in 1973.
Macfarlane Observatory was created in 1757.
Moore Observatory was created in 1978.
Behlen Observatory was created in 1972.
Jura Observatory was created in 1993.
Detroit Observatory was created in 1854.
Sphinx Observatory was created in 1937.
Armagh Observatory was created in 1789.
RIT Observatory was created in 1992.