Perry North in Pittsburgh in Allegheny County, Pennsylvania — The American Northeast (Mid-Atlantic)
Allegheny Observatory
Erected 1979 by Pennsylvania Historical and Museum Commission.
Topics and series. This historical marker is listed in these topic lists: Air & Space • Education • Science & Medicine. In addition, it is included in the Pennsylvania Historical and Museum Commission (PHMC) series list. A significant historical year for this entry is 1860.
Location. 40° 28.961′ N, 80° 1.1′ W. Marker is in Pittsburgh, Pennsylvania, in Allegheny County. It is in Perry North. It is on Riverview Avenue 0.2 miles west of Perrysville Avenue (U.S. 19). Located in Riverview Park in Observatory Hill Section of Pittsburgh. Touch for map. Marker is in this post office area: Pittsburgh PA 15215, United States of America. Touch for directions.
Regionally, this marker is in the American Northeast, in the Mid-Atlantic, in the Ohio River Valley, in Appalachia, and specifically in Northern Appalachia. Globally, it is in North America, the Western Hemisphere, the Western World, and the Anglosphere. Historically, it finds itself in what was once the Viceroyalty of New France, the Haudenosaunee (Iroquois) Confederacy, and one of the original Thirteen Colonies.
Other nearby markers. At least 8 other markers are within 2 miles of this marker, measured as the crow flies: Riverview United Presbyterian Church (approx. Ό mile away); History of Observatory Hill (approx. half a mile away); In Memory of John (Jack) Brennan (approx. 0.9 miles away); First Aluminum Observatory Dome (approx. 1.2 miles away); St. Boniface Roman Catholic Church (approx. 1.4 miles away); Overbeck Street Memorial (approx. 1½ miles away); Twenty-Four Residents (approx. 1.6 miles away); St. John Neumann (approx. 1.6 miles away). Touch for a list and map of all markers in Pittsburgh.
Also see . . .
1. Allegheny Observatory. (Submitted on May 7, 2011, by Mike Wintermantel of Pittsburgh, Pennsylvania.)
2. Allegheny Observatory - Behind the Marker. (Submitted on June 29, 2011, by Mike Wintermantel of Pittsburgh, Pennsylvania.)
3. Pittsburgh History & Landmarks Foundation. (Submitted on March 25, 2013, by Mike Wintermantel of Pittsburgh, Pennsylvania.)

Photographed by Mike Wintermantel, circa 1915
6. Allegheny Observatory luminaries, photographed on the observatory's steps
Founded for both private entertainment and public education, the Allegheny Observatory soon became a leading center of astronomical research. The men in this photo, taken on the steps of the observatory around 1915, include Harvard astronomer Edward C. Pickering (standing in the center), telescope maker John A. Brashear (to the right of Pickering), and observatory benefactor William Thaw (seated to Pickering's left)
Courtesy: Allegheny Observatory, Archives Service Center, University of Pittsburgh

Photographed by Unknown, circa 1913
7. The Allegheny Observatory's 30 inch Thaw Telescope
In the early 1910s, Brashear Optical Co. designed and built the 30 inch Thaw telescope for the Allegheny Observatory. Designed for photographic use, the telescope has collected more than 110,000 exposures and helped set the distance scale of the universe.
Courtesy: Allegheny Observatory, Archives Service Center, University of Pittsburgh
Credits. This page was last revised on February 2, 2023. It was originally submitted on May 7, 2011, by Mike Wintermantel of Pittsburgh, Pennsylvania. This page has been viewed 1,635 times since then and 41 times this year. Photos: 1, 2, 3. submitted on May 7, 2011, by Mike Wintermantel of Pittsburgh, Pennsylvania. 4, 5. submitted on July 7, 2011, by Mike Wintermantel of Pittsburgh, Pennsylvania. 6, 7. submitted on July 26, 2011, by Mike Wintermantel of Pittsburgh, Pennsylvania. 8. submitted on March 25, 2013, by Mike Wintermantel of Pittsburgh, Pennsylvania. • Bill Pfingsten was the editor who published this page.





