Supporting amateur astronomers since 1890
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British Astronomical Association Supporting amateur astronomers since 1890 |
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| 57 Cyg: Eclipsing Binary Star | |||
| Total Number of Spectra: | 3 | ||
| First Spectrum: | JD 2458322.517000 | \ | 23 Jul 2018 00:24:28.800000 UT |
| Latest Spectrum: | JD 2459862.317488 | \ | 9 Oct 2022 19:37:10.963200 UT |