Draper's 28-inch telescope,19th century. This reflector telescope was operated by US physician and amateur astronomer Henry Draper (1837-1882) at his observatory at Hastings-on-Hudson,New York,USA. It has an equatorial mount,and two smaller telescopes attached (12-inch achromatic and 5-inch finder). The installation of this 28-inch telescope (Cassegrain design) was completed in 1872. Draper used this telescope to obtain the first ever photograph of the spectra of a star,imaging Vega on 29 May 1872 | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Royal Astronomical Society |
Bildgröße: | 3846 px × 4607 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |