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International Halley watch amateur observers' manual for scientific comet studies. Part 1: MethodsThe International Halley Watch is described as well as comets and observing techniques. Information on periodic Comet Halley's apparition for its 1986 perihelion passage is provided. Instructions are given for observation projects valuable to the International Halley Watch in six areas of study: (1) visual observations; (2) photography; (3) astrometry; (4) spectroscopic observations; (5) photoelectric photometry; and (6) meteor observations.
Document ID
19830027693
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Edberg, S. J. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Date Acquired
September 4, 2013
Publication Date
March 1, 1983
Subject Category
Astronomy
Report/Patent Number
JPL-PUB-83-16-PT-1
NAS 1.26:173114
NASA-CR-173114
Accession Number
83N35964
Funding Number(s)
PROJECT: RTOP 156-02-02-01
CONTRACT_GRANT: NAS7-100
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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