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Solar: Fine Structure of the Flare of 1968 June 9

Published online by Cambridge University Press:  25 April 2016

R. G. Giovanelli*
Affiliation:
Division of Physics, CSIRO, Sydney

Extract

A class 2 flare began on 1968 June 9 in the active region near 17°N 40°E, at about 00h15m U.T., maximum 00h37m, terminating about 02h30m. The event was recorded at Culgoora with the 5-inch flare-patrol and 12-inch chromo-spheric telescopes at solar diameters and frame intervals of 16 mm/10 s and 17 cm/3 s respectively. Both telescopes used Halle filters, pass bands about 0.5Å centred on Hα, and Duplopan 35 mm film. The seeing was mediocre, with occasional fairly good frames.

Type
Contributions
Copyright
Copyright © Astronomical Society of Australia 1969

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References

1 Bruzek, A., Zeits. f. Astrophys., 54, 225 (1962).Google Scholar
2 Bruzek, A., AAS-NASA Symposium on Solar Flares, p. 301 (1963).Google Scholar
3 Bruzek, A., Astrophys. J., 140, 746 (1964).Google Scholar
4 Leighton, R. B., Astrophys. J., 130, 366 (1959).Google Scholar