Principia Astronomical Observatory

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Principia Astronomical Observatory
Organization Principia College
Observatory code 846 Edit this on Wikidata
Location 1 Maybeck Place, Elsah, IL
Coordinates 38°57′01″N 90°20′42″W / 38.950198°N 90.345101°W / 38.950198; -90.345101
Established June 18, 1998
Ritchey-Chretien 16 in mirror
Principia Astronomical Observatory is located in the US
Principia Astronomical Observatory
Location of Principia Astronomical Observatory

The Principia Astronomical Observatory is an observatory located on the campus of Principia College, in Elsah, Illinois, United States. The observatory was installed on June 18, 1998.[1] It features a 16[2] inch mirror and is of a Ritchey-Chretien design. The objective focal length of the telescope is 4000 mm. The control software is by the Telescope Control System written by Dave Harvey of Comsoft Software (of Tucson, AZ). The mirror was ground and certified by Don Loomis, former chief optician at Kitt Peak National Laboratories. The telescope was manufactured by Optomechanics Research.

See also[edit]


  1. ^ Cornell, D. A. (June 1999). "Principia Astronomical Observatory". International Amateur-Professional Photoelectric Photometry Communication (76). Bibcode:1999IAPPP..76...62C. 
  2. ^ "Principia College". Retrieved 2010-06-17. 

External links[edit]

Coordinates: 38°57′01″N 90°20′42″W / 38.950185°N 90.345101°W / 38.950185; -90.345101