Abstract
THE spectrum of the new star in Cygnus is changeable, and is now very unlike Cornu's representation of it in a recent number of NATURE (vol. xv., p. 158). Your readers may not be aware that it is easy to see several of the bright lines without a powerful instrument, though not to measure them accurately. As observed with a Browning's “miniature spectroscope” attached to a 4¼ inch refractor, the brightest line is now about at wave-length 503, and is probably that described by Cornu as sixth in order of brightness, at wave-length 500. At the end of last month the brightest line was about 484, probably the F hydrogen line. Since December 27 the new star has always appeared to me orange. Has not this star received any name yet?
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BACKHOUSE, T. Spectrum of New Star. Nature 15, 295–296 (1877). https://doi.org/10.1038/015295e0
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DOI: https://doi.org/10.1038/015295e0
