About 1835 a small treatise, translated from the New York American , related how
Sir John Herschel, having been despatched to the Cape of Good Hope for the purpose of making there some astronomical calculations, had, by means of a telescope brought to perfection by means of internal lighting, reduced the apparent distance of the moon to eighty yards!
1792:
Sir John Herschel, astronomer who first mapped the stars of the southern hemisphere, was born in Slough.
1792:
Sir John Herschel, the astronomer who first mapped the stars of the southern hemisphere, was born in Slough.
Sir John Herschel started off the story by comparing M17 to the capital Greek letter Omega.
In 1839,
Sir John Herschel appears to have coined the terms "photograph" and "photography" and established them in the academic and general vernacular, where they have remained relatively unaltered since.
Also an acquaintance of
Sir John Herschel, another early scientific photographer, Atkins made the first book of photographs.
Webb (1807-'85), (8)
Sir John Herschel (1792-1871), (9) John Phillips (1800-'74), (10) and Edmund Neison (1849-1940), the greatest of the pre-BAA British lunar mappers.
In the 1840s astronomer
Sir John Herschel observed a dark streak running across the galaxy, now known to be a thick dust lane.
The galaxy was notably observed by
Sir John Herschel in 1847 during his survey of the southern skies.
A more lasting solution to image fixing resulted from the observation made by the astronomer
Sir John Herschel (1792-1871) that sodium hyposulfite (thiosulfate) had silver-dissolving properties.
We have not yet had the opportunity to observe this [willow-leaf] pattern, but we see that even Signor Dawes is in the same circumstances: he finds that the solar structure described by
Sir John Herschel, that is, composed of a sort of luminous flakes, is what most closely resembles the appearances observed over the course of many years of research, and in regard to the penumbras, he agrees that there are bright parts, like currents that make their way into the nuclei crossing through the penumbra and retaining all the splendor of the photosphere, and not of the penumbra.
Sir John Herschel - English astronomer (son of William Herschel) who extended the catalogue of stars to the southern hemisphere and did pioneering work in photography (1792-1871)