Supporting amateur astronomers since 1890
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British Astronomical Association Supporting amateur astronomers since 1890 |
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| alf Dra: Spectroscopic Binary Star | |||
| Total Number of Spectra: | 26 | ||
| First Spectrum: | JD 2460052.531900 | \ | 18 Apr 2023 00:45:56.160000 UT |
| Latest Spectrum: | JD 2460141.367049 | \ | 15 Jul 2023 20:48:33.033600 UT |