Paris Observatory Collection

The path of the Great Comet of 1843
5311797 The path of the Great Comet of 1843; (add.info.: Engraving depicting the path of the Great Comet of 1843 as it passed round the sun on 27 February of the year)

Vue de l'Observatoire royal, prise de la grille du jardin du Luxembourg, 1817-1824. Private Collection

View of the city of Paris seen from the observatory, 1700-1799. Creators: Anon, Jacques Rigaud
View of the city of Paris seen from the observatory, 1700-1799

The Eclipse Expedition to Norway (litho)
1050896 The Eclipse Expedition to Norway (litho) by English School, (19th century); Private Collection; (add.info.: The Eclipse Expedition to Norway)

Paris Observatory in the time of Louis XIV, 17th century (1870). In 1669 Louis engaged the Italian astronomer Giovanni Domenico Cassini (1625-1712) to construct and direct the observatory

Dorothea Klumpke Roberts, American mathematician and astronomer, 1903. Roberts (1861-1942) at work on the Carte du Ciel at the Paris Observatory

Joseph Jerome Lefrancais de Lalande, French astronomer, 19th century. Lalande (1732-1807) was professor of astronomy at the College de France for 46 years from 1760

Paris Observatory, France, 1740. Astronomers using telescopes to observe objects in the night sky including Saturn and the Moon

Jean-Dominique Cassini, Italian-born French astronomer, 1777. In the background is the Paris Observatory, which Cassini (c1625-1712) became the first director of in 1671

UJJ Leverrier, French astronomer calculating the position of the planet Neptune in 1846 (1881). Urbain Jean Joseph Leverriers (1811-1877)

UJJ Leverrier, French astronomer who calculated the position of planet Neptune in 1846 (1884). Commemorative medal. Urbain Jean Joseph Leverriers (1811-1877)

Jean Dominique Cassini (1625-1712), Italian-born French astronomer. In the background is the Paris Observatory which Cassini directed for many years from 1671

Engraving depicting the photographic telescope within the Paris Observatory, 19th century
Engraving depicting the photographic telescope within the Paris Observatory

Franco-Prussian War: The new Paris Observatory. View of the Trocadero square during the battle at La Malmaison, France

Franco-Prussian War: The new Paris Observatory. View of the Trocadero square during the battle at La Malmaison, France

Paris Observatory telescope. Cutaway artwork of an astronomer operating the equatorial coude of the Paris Observatory, France

Paris Observatory meridian circle, Paris, France. This instrument, also called a transit circle, is used to observe the moment a star or other celestial object passes the meridian

Time standardisation apparatus, 1913
Time standardisation apparatus. This apparatus, which operated in the Paris Observatory from 31 July 1913, was invented by the French engineer Edouard Belin (1876-1963)

International timing signals, 1914
International time signals. Transmitted by radio, this system of timing signals allowed synchronisation of clocks around the world using a standard repetition of signals over a four-minute time

Great Equatorial Telescope Paris 1860
Engraving of the Great Equatorial Telescope of the Paris Observatory. This view shows an equatorially mounted refracting telescope of 31 cm (12.8 inch) aperture made by the French maker Lerebours

Giovanni Cassini and King Louis XIV
Giovanni Cassini (1625-1712, left), Italian mathematician and astronomer, being introduced to King Louis XIV of France (1638-1715, right) by the French minister Jean-Baptiste Colbert (1619-1683)

Paris Observatory under construction, with astronomers using a telescope, coloured artwork. This observatory, in Paris, France, was funded by King Louis XIV and built during the period 1667 to 1672

Dorothea Klumpke (1861-1942) Astronomer
Dorothea Klumpke/Dorothea Klumpke Roberts (1861-1942).American born astronomer.From 1886 she worked at the Paris Observatory measuring star positions, processing astrophotographs

Marguerite de la Sabliere, arts patron
Marguerite de la Sabliere (c.1636-1693), French arts patron. De la Sabliere was a friend and patron of artists, writers and scientists

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"Exploring the Celestial Wonders: A Glimpse into the Paris Observatory's Illustrious History" The Eclipse Expedition to Norway (litho): Witnessing rare celestial events, like this eclipse expedition in Norway, has been a long-standing tradition at the Paris Observatory. Paris Observatory in the time of Louis XIV, 17th century (1870): Step back in time and envision the grandeur of the Paris Observatory during its early years under King Louis XIV's patronage. Dorothea Klumpke Roberts, American mathematician and astronomer, 1903: Celebrating trailblazing women astronomers like Dorothea Klumpke Roberts who made significant contributions to science from within these hallowed walls. Joseph Jerome Lefrancais de Lalande, French astronomer, 19th century: Remembering influential figures such as Joseph Jerome Lefrancais de Lalande whose dedication advanced our understanding of the cosmos. Paris Observatory, France, 1740: Delve into an era when scientific exploration flourished at every corner of this iconic institution nestled in the heart of France's capital city. Jean-Dominique Cassini, Italian-born French astronomer, 1777: Discover how Jean-Dominique Cassini revolutionized astronomical observations with his groundbreaking discoveries that shaped our knowledge about planetary systems. UJJ Leverrier - French astronomer calculating position of planet Neptune in 1846 (1881): Uncover UJJ Leverrier's remarkable achievement as he meticulously calculated Neptune's position using mathematical prowess and forever altered our perception of our solar system. UJJ Leverrier - French astronomer calculating position of planet Neptune in 1846 (1884): Commemorating UJJ Leverrier once again for his tireless efforts that led to pinpointing Neptune's location with unparalleled accuracy.