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British Astronomical Association Supporting amateur astronomers since 1890 |
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V581 Per: Be Star | |||
Total Number of Spectra: | 5 | ||
First Spectrum: | JD 2458069.236000 | \ | 11 Nov 2017 17:39:50.400000 UT |
Latest Spectrum: | JD 2459909.336528 | \ | 25 Nov 2022 20:04:36.019200 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 | 0 | 1 | 0 |
2021 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
2020 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
2017 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |