Editing Cincinnati Observatory (section)

{{Short description|Observatory in Cincinnati, Ohio, US}}
{{Use mdy dates|date=August 2023}}
{{Infobox observatory
  |name            = Cincinnati Observatory
  |background      = 
  |image           = [[image:Cincinnati Observatory.JPG|250px]]
  |caption         = Original building atop Mt. Lookout
  |organization    = 
  |code            = 
  |location        = 
  |coords          = {{Coord|39.139|-84.423}}
  |altitude        = 
  |weather         = 
  |established     = 1843
  |closed          = 
  |website         = http://www.cincinnatiobservatory.org|Cincinnati Observatory Center
  |telescope1_name = 1845 Merz und Mahler
  |telescope1_type = [[Refractor]]
  |telescope2_name = 1904 Alvan Clark & Sons
  |telescope2_type = [[Refractor]]
{{Infobox NRHP
| embed                = yes
| name                 = Cincinnati Observatory
| nrhp_type            = nhl
| image                =
| caption              =
| location             = [[Observatory Historic District]]; 3489 Observatory Place, [[Cincinnati, Ohio]]
| coordinates          = {{coord|39|8|19|N|84|25|22|W|display=inline,title}}
| locmapin             = Ohio#USA
| area                 =
| built                = 1873
| architect            = [[Samuel Hannaford]]
| architecture         = Greek Revival
| designated_nrhp_type = December 9, 1997<ref name="nhlsum">{{cite web|url=http://tps.cr.nps.gov/nhl/detail.cfm?ResourceId=-1292477379&ResourceType=Building|title=Cincinnati Observatory|access-date=2008-07-02|work=National Historic Landmark summary listing|publisher=[[National Park Service]]|url-status=dead|archive-url=https://web.archive.org/web/20080119060620/http://tps.cr.nps.gov/nhl/detail.cfm?ResourceId=-1292477379&ResourceType=Building|archive-date=2008-01-19}}</ref>
| added                = March 3, 1980<ref name="nris">{{NRISref|2007a}}</ref>
| mpsub                = Samuel Hannaford and Sons TR in Hamilton County
| refnum               = 80003043
}}
}}
The '''Cincinnati Observatory''', known locally as '''Mt. Lookout Observatory''', is located in [[Cincinnati, Ohio|Cincinnati]], [[Ohio]] (United States) on top of [[Mount Lookout, Ohio|Mount Lookout]]. It consists of two observatory buildings housing an 11-inch (28&nbsp;cm) and 16&nbsp;inch (41&nbsp;cm) aperture [[refracting telescope]]. It is the oldest professional [[observatory]] in the United States.<ref>{{cite book | url=https://books.google.com/books?id=y8S1LFG_KAEC&q=insider+cincinnati&pg=PA164 | title=Insiders' Guide to Cincinnati | publisher=[[Globe Pequot]] | year=2007 | access-date=2013-05-08 | author=Felix Winternitz & Sacha DeVroomen Bellman | pages=164 | isbn=9780762741809 }}{{Dead link|date=December 2023 |bot=InternetArchiveBot |fix-attempted=yes }}</ref>  It was a key facility for astronomical research and education at the [[University of Cincinnati]] and currently operates as a 19th-century observatory. There are regular viewings through both historical telescopes as well as tours and additional programs.  The observatory also has an extensive outreach program, providing astronomical education for the Ohio/Kentucky/Indiana region.<ref>{{cite web|url=http://www.tripadvisor.co/Attraction_Review-g60993-d281506-Reviews-Cincinnati_Observatory-Cincinnati_Ohio.html|title=Cincinnati Observatory}}</ref><ref>{{cite web|url=http://www.yelp.com/biz/cincinnati-observatory-cincinnati|title=Cincinnati Observatory|date=13 September 2015|work=Yelp}}</ref>

The Cincinnati Observatory is a contributing property to the [[Observatory Historic District]].