Published 1928 | Published
Documentation or Manual Open

The New Hale Spectrohelioscope

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Abstract

[Introduction] From remotest time man has yearned to look upon the sun unharmed, and wondered on the changes taking place in the fiery orb that gave him warmth,
light, food and comfort. Only today has science come to his aid and made his dream come true.

Readers of scientific journals and magazines cannot have failed to note the frequent references to this new addition to science, which is now available to educational
institutions and research workers in the new and expanding field of astrophysics. By means of this remarkable invention a whole new field of research has been thrown open, to both scientist and amateur alike. For until now it has been impossible to bring the sun's image under observation where it can be studied just as one views a landscape through binoculars.

In plain language, this instrument allows one actually to watch the changes taking place on the sun's surface, and observe the violent outbursts altering their shapes from hour to hour. As Dr. Hale says, "In order to give any conception of the fantastic beauty of solar prominences it is necessary to see them in action."

Additional Information

For a more detailed description of this instrument, you are referred to Dr. Hale's articles in the April and May issues of the Scientific American (1929), and the Publications of the Astronomical Society of the Pacific, October 1928.

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August 19, 2023
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April 29, 2025