James Edward Keeler
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James Edward Keeler was an American astronomer. He was an early observer of galaxies using photography, as well as the first to show observationally that the rings of Saturn do not rotate as a solid b
James Edward Keeler
Crossley telescope
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The Crossley telescope is a 36-inch reflecting telescope located at Lick Observatory in the U.S. state of California. It was used between 1895 and 2010, and was donated to the observatory by Edward Cr
James Edward Keeler
…observations were made with a spectrograph attached to the 13-inch Fitz-Clark refracting telescope at Allegheny Observatory. His observations with the Lick Crossley telescope helped establish the importance of large optical reflecting telescopes, and expanded astronomers' understanding of nebulae. After his untimely death…
Mosaic image of the Crossley telescope.
The Orion Nebula, photographed with Crossley telescope by Keeler
Crossley entrance
Crossley camera At Prime