The largest of five monumental masonry observatories built across northern India in the early eighteenth century by the Rajput king and astronomer Jai Singh II, combining giant sundials, astrolabes and instruments for tracking the positions of celestial bodies with the naked eye. Its Jaipur site remains the best preserved of the five and is a UNESCO World Heritage Site.
Facts
Observatory TypeCollection of 19 astronomical instruments 1 MeasuresTime, eclipses, star locations, planetary declinations and celestial altitudes 1 Classification
Observing Band In the Other Atlases
Located In
Also in Geography Atlas: where this subject is located.
Sources
1. Wikipedia: Jantar Mantar, Jaipur
Lead section
The Jantar Mantar is a collection of 19 astronomical instruments built by the Rajput king Sawai Jai Singh.
Description
The observatory consists of nineteen instruments for measuring time, predicting eclipses, tracking location of major stars as the Earth orbits around the Sun, ascertaining the declinations of planets, and determining the celestial altitudes and related ephemerides.
Article text, operational-start-year
The monument was completed in 1734.
Article text: band optical
observation of astronomical positions with the naked eye
In Group: Historic Pre-Telescopic Observatories, Article text: pre-telescopic instruments
The instruments allow the observation of astronomical positions with the naked eye.
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