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 | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Royal Astronomical Society |
Bildgröße: | 5197 px × 3463 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |