Abstract
I CAN fully confirm Young's observation that the spectrum of Brorsen's comet is not now the same as that observed by Huggins in 1868, as figured in Roscoe's “Spectrum Analysis,” p. 251. On the 28th and 30th I observed the spectrum with a Browning's “miniature spectroscope” on a 4¼-inch refractor, and compared it with the carbon spectrum of a low gas flame, and found the three usual bands of the latter to coincide with the three bands of the comet as completely as my instruments would show. It was needful to use a wide slit.
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BACKHOUSE, T. [Letters to Editor]. Nature 20, 28 (1879). https://doi.org/10.1038/020028a0
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DOI: https://doi.org/10.1038/020028a0
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