Photograph of a pastel drawing of the planet Saturn from observations by M. Etienne Leopold Touvelot (artist), September 1875, using telescopes of the United States Naval Observatory at Foggy Bottom, Washington, DC. Photograph of a pastel drawing of the planet Saturn from observations by M. Etienne Leopold Touvelot (artist) 1876
Glass positive:- E.E. Barnard, Mount Wilson Observatory, 1911, November 19, 60-inch Reflector, equivalent focal length, 100ft Glass positive:- E.E. Barnard 1911
One of two photographs of Saturn and its satellite (IX), Phoebe, supplied by the Royal Observatory, Greenwich, 1911. One of two photographs of Saturn and its satellite (IX) 1911
One of two photographs of Saturn and its satellite (IX), Phoebe, supplied by the Royal Observatory, Greenwich, 1911. One of two photographs of Saturn and its satellite (IX) 1911
Selection of two photographs of Saturn and its satellite (IX), Phoebe, supplied by the Royal Observatory, Greenwich, 1911. Selection of two photographs of Saturn and its satellite (IX) 1911
Glass diapositive, 3 1/4"x3 3/4", of Saturn. Taken by H. Carmichel with the 60cm. Refractor at the Pic-du-Midi Observatory at 23h. 50m. on 19th October 1941 Glass diapositive 1941