Supporting amateur astronomers since 1890
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British Astronomical Association Supporting amateur astronomers since 1890 |
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| V471 Per: Eclipsing Binary Star | |||
| Total Number of Spectra: | 92 | ||
| First Spectrum: | JD 2457411.278800 | \ | 23 Jan 2016 18:41:28.320000 UT |
| Latest Spectrum: | JD 2461277.594549 | \ | 25 Aug 2026 02:16:09.033600 UT |
| Year | Total | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
| 2025 | 8 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 1 |
| 2024 | 21 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 5 | 2 | 5 | 4 |
| 2023 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 1 |
| 2022 | 13 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 2 | 0 | 1 | 1 |
| 2021 | 9 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 2 |
| 2020 | 13 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 2 | 1 |
| 2019 | 4 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 |
| 2018 | 10 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 3 | 3 |
| 2017 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 1 |
| 2016 | 3 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |