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 |
| Year | Total | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
| 2018 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 |