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Haystack Observatory

astronomical observatory
Organization astronomical_observatory Q5687260
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Key Facts

  • Located in the administrative territorial entity: Massachusetts[1]
  • Country: United States[2]
  • Operator: Massachusetts Institute of Technology[3]
  • Location: Westford[4]
  • Has part(s): Millstone Hill Observatory[5], Haystack Radio Telescope[6], Westford Radio Telescope[7]
  • Official website: https://www.haystack.mit.edu[8]
  • Phone number: +1-617-715-5400[9]
  • Participant in: Event Horizon Telescope[10]
  • Date of official opening: 1960[11]
  • Elevation above sea level: 131 m[12]
  • Street address: 99 Millstone Road Westford, MA 01886[13]

Related Entities

Massachusetts Massachusetts Institute of Technology United States

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [1] ↑ . wikidata.org.
  3. [3] ↑ . wikidata.org.
  4. [4] ↑ . wikidata.org.
  5. [5] ↑ . wikidata.org.
  6. [6] ↑ . wikidata.org.
  7. [7] ↑ . wikidata.org.
  8. [8] ↑ . wikidata.org.
  9. [9] ↑ . wikidata.org.
  10. [10] ↑ . wikidata.org.
  11. [11] ↑ . wikidata.org.
  12. [12] ↑ . wikidata.org.
  13. [13] ↑ . wikidata.org.

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APA 4ort.xyz Knowledge Graph. (2026). Haystack Observatory. Retrieved November 1, 2026, from https://4ort.xyz/entity/haystack-observatory
MLA “Haystack Observatory.” 4ort.xyz Knowledge Graph, 4ort.xyz, 1 Nov. 2026, https://4ort.xyz/entity/haystack-observatory.
BibTeX @misc{4ortxyz_haystack-observatory_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Haystack Observatory}}, year = {2026}, url = {https://4ort.xyz/entity/haystack-observatory}, note = {Accessed: 2026-11-01}}
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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 14w ago · Edward · 2026-07-25 view diff on Wikidata ↗
    Official website → https://www.haystack.mit.edu
    Operator → Massachusetts Institute of Technology
    Instance of → —
    Coordinate location → {'lat': 42.6233, 'lon': -71.4882}
    + 15 other properties edited (see Wikidata diff for full list)
    "/* wbcreateclaim-create:1| */ Openstreetmap relation id: 14688805, [[:toollabs:quickstatements/#/batch/261557|batch #261557]]"
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