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The Comet Halley handbook: An observer's guideThe orbit of Comet Halley is described as well as its expected physical behavior (brightness, tail lengths, coma diameters) in 1985-1986 during which time its preperihelion positon will allow better conditions for Northern Hemisphere observers. Southern Hemisphere observers will prefer post perihelion observation. Ephemeris data for 1981-1987 are presented in tables.
Document ID
19810008445
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Yeomans, D. K. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Date Acquired
September 4, 2013
Publication Date
January 15, 1981
Subject Category
Lunar And Planetary Exploration
Report/Patent Number
NASA-CR-163876
Accession Number
81N16964
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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