Supporting amateur astronomers since 1890
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British Astronomical Association Supporting amateur astronomers since 1890 |
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| BF Cyg: Symbiotic Star | |||
| Total Number of Spectra: | 72 | ||
| First Spectrum: | JD 2457159.408200 | \ | 16 May 2015 21:47:48.480000 UT |
| Latest Spectrum: | JD 2460897.882801 | \ | 10 Aug 2025 09:11:14.006400 UT |
| Year | Total | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | 4 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 1 | 0 | 0 | 0 | 0 |
| 2024 | 13 | 0 | 0 | 0 | 0 | 1 | 3 | 3 | 2 | 2 | 2 | 0 | 0 |
| 2023 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 0 |
| 2022 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 1 | 0 |
| 2021 | 4 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 |
| 2020 | 9 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 0 | 2 | 2 | 1 | 0 |
| 2019 | 14 | 0 | 0 | 0 | 1 | 0 | 2 | 1 | 4 | 0 | 3 | 2 | 1 |
| 2018 | 6 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 1 | 0 | 0 | 0 | 0 |
| 2017 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 0 |
| 2016 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 1 | 2 | 0 | 1 |
| 2015 | 4 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 0 | 1 | 0 | 0 |