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Manastash Ridge Observatory

Manastash Ridge Observatory
Manastash Ridge Observatory
Manastash Ridge Observatory
OrganizationUniversity of Washington
Observatory code 664 Edit this on Wikidata
Locationnear Ellensburg, Washington
Coordinates46°57′04″N 120°43′28″W / 46.9511°N 120.7245°W / 46.9511; -120.7245
Altitude1,198 meters (3,930 ft)
Established1972 (1972)
WebsiteManastash Ridge Observatory
Telescopes
Boller and Chivens Telescope0.75 m Cassegrain
Manastash Ridge Observatory is located in the United States
Manastash Ridge Observatory
Location of Manastash Ridge Observatory
[edit on Wikidata]

The Manastash Ridge Observatory (MRO) is an astronomical observatory built in 1972 by the University of Washington.[1] It is located in a remote area approximately 14 kilometers (8.7 mi) west of Ellensburg, Washington, at an altitude of 3930' (1198 m), a longitude of 120.7278 degrees West, and a latitude of +46.9528 degrees,[2] and can be reached by dirt roads from Ellensburg or Selah.[3] The observatory features a 0.75 m (30 in) Ritchey-Chrétien telescope built by Boller and Chivens. Currently, the observatory utilizes an Andor thermo-electrically cooled CCD camera in conjunction with the primary telescope.[4] Initially used for professional and graduate research, the observatory is now used mostly by undergraduate students for instruction and research.[5] For a brief time there was talk of stopping funding for MRO as the University of Washington Astronomy Department focus on the Apache Point Observatory, but funding did continue and MRO is still in use.[6]

The Manastash Ridge Radar (MRR) is located in the MRO building. MRR is a bistatic, passive radar controlled by the University of Washington's Radar Remote Sensing Laboratory (RRSL) led by Dr. John Sahr. MRR uses commercial FM radio broadcasts from Seattle to sense ionospheric turbulence, meteors, and airplanes. The receivers are located at the University of Washington and at MRO.[7]

In 2015 MRO was granted $59,999 from the University of Washington's Campus Sustainability Fund (CSF) in an effort to have the observatory run in a more eco-friendly manner.[8] According to the project's Letter of Intent, the main goals were to reduce water and energy consumption.[9] To conserve water they have installed a rainwater harvesting system that can hold 10,000 US gallons (38,000 L; 8,300 imp gal) of water in its tank and can fully supply the MRO's water usage.[10] To conserve energy they have installed two solar panels which will produce more than the necessary 20,000 kWh per year needed to sustain the observatory.[10]

  1. ^ Cite error: The named reference MRO-HOME was invoked but never defined (see the help page).
  2. ^ Cite error: The named reference coordinates was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference MRO-DIR was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference MRO-Website-update was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference 2012LUTZ was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference MRO-Shutdown was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference MRR-HOME was invoked but never defined (see the help page).
  8. ^ Cite error: The named reference Sustain-grant was invoked but never defined (see the help page).
  9. ^ Cite error: The named reference Grant-Intent was invoked but never defined (see the help page).
  10. ^ a b Cite error: The named reference Fund-Proposal was invoked but never defined (see the help page).
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