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Atlas Coelestis (Flamsteed)

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description Atlas Coelestis (Flamsteed) Overview

Atlas Coelestis is a celestial star atlas compiled by John Flamsteed, the first Astronomer Royal of England, and published posthumously in 1729. The atlas was based on Flamsteed's meticulous telescopic observations at the Royal Greenwich Observatory and catalogued nearly 3,000 stars with unprecedented positional precision. It featured large, detailed engravings of constellation figures mapped onto modern celestial coordinates, serving as the definitive astronomical reference for most of the 18th century.

help Atlas Coelestis (Flamsteed) FAQ

When was John Flamsteed's Atlas Coelestis published?

The celestial atlas was published posthumously in 1729, more than a decade after Flamsteed's death in 1719. His widow, Margaret Flamsteed, and his former assistants were crucial in finally getting the monumental work printed.

How many stars are cataloged in Flamsteed's Atlas Coelestis?

The atlas catalogued nearly 3,000 stars with unprecedented precision for the era. These star positions were based entirely on Flamsteed's own meticulous telescopic observations made at the Royal Greenwich Observatory.

Where did the data for the Atlas Coelestis come from?

The data was compiled from roughly three decades of rigorous astronomical observations made by John Flamsteed at the Royal Greenwich Observatory. As the first Astronomer Royal, he possessed the most accurate stellar measurement methods of his time.

Who published John Flamsteed's Atlas Coelestis?

The atlas was edited and published posthumously by his wife, Margaret Flamsteed, alongside his former assistant James Hodgson in 1729. They used their own funds and the British government's backing to finally release the charts to the public.

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