“William Petrie: First Astronomical Observations at Masulipatnam Fort (1786)”

Early Astronomical Observations in India

1. William Petrie’s Private Observatory (1786) – Masulipatnam

William Petrie, an officer of the East India Company, conducted the first recorded astronomical observations in India.

On 5 December 1786, he calculated the latitude and longitude of Masulipatnam Fort.

His private observatory, set up on the terrace of his residence, was equipped with:

An astronomical clock

A transit instrument (for precise star positioning)

Two or three telescopes

2. Nizamia Observatory (1908) – Hyderabad

India’s first modern astronomical observatory was established in Hyderabad in 1908 by the Nizam’s government.

It marked a major step forward in systematic, modern astronomy in India.

These observatories played a crucial role in advancing astronomy in India, bridging the gap between early observations and modern scientific research!

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