51.5 MB (1.2 MB compressed)
5197 x 3463 pixels
43.9 x 29.2 cm ⏐ 17.3 x 11.5 in (300dpi)
ROYAL ASTRONOMICAL SOCIETY / SCIENCE PHOTO LIBRARY ROYAL ASTRONOMICAL SOCIETY / SCIENCE PHOTO LIBRARY
Denmore Observatory. This observatory, in Baltimore, Maryland, USA, was operated by the US astronomer William H. Numsen. The telescopes at the observatory included its 4-inch equatorial telescope, used to observe the occultation of Jupiter by the Moon on 3 September 1889.
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