Mapping of auroral forms from an all-sky coordinate grid

Details Mapping of auroral forms from an all-sky coordinate grid Mapping of auroral forms from an all-sky coordinate grid

Jun 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980esasp.152..313l&link_type=abstract

In ESA European Rocket and Balloon Programs and Related Res. p 313-315 (SEE N81-10914 01-99)

Computer Science

All Sky Photography, Auroras, Computer Programming, Coordinates, Plotting, Alignment, Auroral Arcs, Mapping, Television Cameras, Width

Scientific paper

A computer program was written to produce plots of latitude and longitude values as seen by an all-sky TV camera for different heights above the Earth. The transformations in these calculations were used to construct models of the variation of apparent width of arcs of different heights and thicknesses in different positions across the sky, assuming the model arcs to be East-West aligned. Measurements were then made from the TV screen of the variation of apparent width of real arcs which moved along the magnetic N-S meridian, and the results compared with the theory. The usefulness of the all-sky data became very clear, for by measuring the way that the apparent width changes with position, conclusions can be made about the height and thickness of arcs.

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