Supporting amateur astronomers since 1890
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British Astronomical Association Supporting amateur astronomers since 1890 |
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| V2139 Cyg: Be Star | |||
| Total Number of Spectra: | 4 | ||
| First Spectrum: | JD 2458668.432633 | \ | 3 Jul 2019 22:22:59.491200 UT |
| Latest Spectrum: | JD 2460175.811600 | \ | 19 Aug 2023 07:28:42.240000 UT |