LIEUT.-COL. GEORGE L. TUPMAN, who died at Harrow on November 4 at an advanced age, was for many years a devoted amateur astronomer. He was elected a Fellow of the Royal Astronomical Society in 1863, being one of the oldest Fellows at the time of his death. He was on its council from 1873 to 1880, and secretary from 1884 to 1889. His earliest astronomical work was on meteor radiants; he made numerous observations of meteors while on service in the Mediterranean, 1869–1871, and published a catalogue of radiants in Mon. Not. R.A.S., vol. 33. Tupman observed the transits of Venus in 1874 and 1882 from Honolulu and New Zealand respectively. He worked for some time at Greenwich Observatory as a volunteer, both in preparation for the transits and in their subsequent discussion; his preliminary result from a discussion of the 1874 transit, 8″.813, is very near the value now accepted. Since many of the stations were dependent on lunar observations for longitude, he studied carefully the errors of the lunar ephemeris from the results of all the leading observatories.
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CROMMELIN, A. Lieut.-Col. G. L. Tupman. Nature 110, 742 (1922). https://doi.org/10.1038/110742a0