Allegheny Observatory

Allegheny Observatory
	The observatory in 2013
Organization	University of Pittsburgh
Observatory code	778
Location	Pittsburgh, Pennsylvania
Coordinates	40°28′57″N 80°01′15″W / 40.482525°N 80.020829°W
Established	February 15, 1859
Website	Allegheny Observatory
Telescopes
Thaw Memorial Refractor
Thaw Memorial Refractor	30-inch refracting telescope
Keeler Memorial Reflector;	24-inch PlaneWave CDK
Fitz-Clark Refractor	13-inch refracting telescope
; Built:	; 1900–1912
Architect:; ; Architectural style(s):	Thorsten E. Billquist; ; Classic Revival
Added to NRHP:; ; NRHP Reference#:; ; Governing body:	June 22, 1979; ; 79002157; ; University of Pittsburgh
	Allegheny Observatory
	U.S. National Register of Historic Places
	Pennsylvania state historical marker
	Pittsburgh Landmark – PHLF
Location	159 Riverview Ave., Pittsburgh, Pennsylvania
Built	1900
Architect	Billquist, T.E.
Architectural style	Classical Revival
NRHP reference No.	79002157
Significant dates
Added to NRHP	June 22, 1979
Designated PHMC	November 2, 1979
Designated PHLF	1973
	Location of Allegheny Observatory
	Related media on Commons
	[edit on Wikidata]

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The Allegheny Observatory is an American astronomical research institution, a part of the Department of Physics and Astronomy at the University of Pittsburgh. The facility is listed on the National Register of Historic Places (ref. # 79002157, added June 22, 1979)^[3] and is designated as a Pennsylvania state^[4] and Pittsburgh History and Landmarks Foundation^[5] historic landmark.

^ ^a ^b "National Register Information System". National Register of Historic Places. National Park Service. July 9, 2010.
^ "Allegheny Observatory – PHMC Historical Markers". Historical Marker Database. Pennsylvania Historical & Museum Commission. Archived from the original on December 7, 2013. Retrieved December 10, 2013.
^ "National Register of Historic Places Nomination Form: Allegheny Observatory" (PDF). July 21, 1977. Retrieved June 8, 2010.
^ "Allegheny Observatory". Pennsylvania Historical & Museum Commission: Historical Markers Program. Retrieved October 20, 2010.
^ "Internet Archive: Pittsburgh History and Landmarks Foundation: PHLF Plaques & Registries". January 27, 2007. Archived from the original on January 27, 2007. Retrieved February 25, 2008.