Abstract
BROOKS'S COMET, 1911c.—In addition to the ordinary cometary spectrum, M. Bosler finds radiations at λλ 407, 405, 401, and 399 in the spectrum of the head of Brooks's comet. A longer exposure on September 25 showed also the tail radiations, and it was seen that λλ 401, 425, and 456 extended some 1° 30′ into the tail, while the radiation at λ 470 extended for not more than 30′.
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Our Astronomical Column . Nature 88, 54–55 (1911). https://doi.org/10.1038/088054a0
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DOI: https://doi.org/10.1038/088054a0