John Flamsteed (1646 – 1719) was an English astronomer, a member of the Royal Society. and the first Astronomer Royal. On 4 March 1675 Flamsteed was appointed by Royal Warrant “The King’s Astronomical Observator”. The warrant stated Flamsteed’s task as:
“rectifieing the Tables of the motions of the Heavens, and the places of the fixed stars, so as to find out the so much desired Longitude of places for Perfecteing the Art of Navigation”.
In 1725, after a lifetime of observing the heavens, Flamsteed’s own edition of Historia Coelestis Britannica was published posthumously. The book contained his astronomical observations, including a catalogue of 2,935 stars. During his career, Flamsteed accurately calculated the solar eclipses of 1666 and 1668. He was also responsible for some of the earliest recorded sightings of the planet Uranus, which he mistook for a star.
In June 1675, a second Royal Warrant was issued. It was concerned…
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