Abstract
OBSERVATIONS OF SOLAR PHENOMENA.—In a paper presented to the Paris Académie des Sciences, M. Deslandres discusses the various theories concerning the inter-relation of solar and magnetic phenomena which have been brought into prominence by the exceptional magnetic storm of October 31. He points out that, whereas the magnetic phenomena are recorded continuously at many widely separated observatories, the solar observations, which constitute the other side of the problem under discussion, are only made during short intervals each day and at fewer stations; therefore he strongly urges that solar observatories should be more widely disseminated in order that a continuous record may be obtained. Again, he points out that, at present, at least ninety-nine out of every hundred observers of the sun only record the forms, and not the movements, or velocities, of the solar disturbances, whereas in his opinion the records of the latter would prove much more effective in bringing us to a solution of the vexed questions.
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Our Astronomical Column . Nature 69, 137 (1903). https://doi.org/10.1038/069137a0
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DOI: https://doi.org/10.1038/069137a0