Henderson, Thomas, 1798 - 1844 (astronomer)
Found in 12 Collections and/or Records:
Various calculations by Thomas Henderson divided into two sets: (1) Corrections of declination, May 1832 - March 1833; and (2) Corrections of right ascension, April 1832 - January 1833.
Thomas Henderson's comparisons of chronometers with the transit clock. There are also observations of Encke's Comet, times of flash of the evening gun, and weather observations.
Letter concerning a chronometer by Arnold issued to Mr Henderson, astronomer at the Cape of Good Hope, 1832-01-16
Sent from Francis Beaufort to John Pond.
Letter concerning the return of a chronometer by Arnold issued to Mr Henderson for the observatory at the Cape of Good Hope, 1833-08-10
Sent by A.B. Becher to John Pond.
About forwarding a paper on occultations and longitude.
An undated microfilm made by the Public Record Office of correspondence of the Royal Observatory, Cape of Good Hope: RGO 15/27, correspondence of Fearon Fallows and Thomas Henderson, 1820-1833, and RGO 15/30, correspondence of Henderson, G.B. Airy and Thomas Maclear, 1832-1842.
Various observations and calculations by Thomas Henderson, including a table for approximate parallaxes in right ascension and declination, observations of Encke's Comet, a table for reducing transit observations, and stars to be observed with the transit circle.