A worldwide photographic network for wide-field observations of Halley's Comet in 1985-1986

Details A worldwide photographic network for wide-field observations of Halley's Comet in 1985-1986 A worldwide photographic network for wide-field observations of Halley's Comet in 1985-1986

Apr 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982ncgb.conf..227n&link_type=abstract

IN: Workshop on the Need for Coordinated Ground-Based Observations of Halley's Comet, Paris, France, April 29, 30, 1982, Proceed

Physics

Plasma Physics

2

Astronomical Photography, Halley'S Comet, International Cooperation, Photographic Recording, Astronomical Observatories, Comet Tails, Histories, Space Plasmas, Telescopes

Scientific paper

A global network of ground-based observatories for the study of Halley's Comet in 1985/1986 is discussed. Recommendations are made with respect to improving coordination between reporting observatories, in order to ensure detailed imaging of such fast-generating cometary phenomena as plasma-tail knots, helices, disconnected tails, rays and condensations. A method for calibrating telescopes is considered by which well-studied objects will be photographed to provide references for images of Halley's Comet. This procedure is expected to reduce errors to approximately 0.05 mag. A coordinated study of Halley's Comet will provide important data on the physical properties of the Comet. Examples of the topics of study related to the plasma physics of the Comet's tail include: magnetic reconnection, rippling and tearing modes, kink instability, Kelvin-Helmholtz instability, and the flute instability.

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