Thomas Harriot’s Observations of Halley’s Comet in 1607
Thomas Harriot (1560–1621) has left a record of the observations and calculations he made on Halley’s comet of 1607 and on the Brilliant comet of 1618.1 The 1607 papers contain a record of the observations, a log of seeing conditions and some preliminary calculations, while the 1618 papers are much more extensive. These contain the last recorded series of astronomical observations by Harriot.
KeywordsSixteenth Century Fifteenth Century Reference Star Nearby Star Cometary Orbit
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