Supporting amateur astronomers since 1890
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British Astronomical Association Supporting amateur astronomers since 1890 |
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| alf Ori: Semi-Regular Variable Star | |||
| Total Number of Spectra: | 168 | ||
| First Spectrum: | JD 2457453.387720 | \ | 5 Mar 2016 21:18:19.008000 UT |
| Latest Spectrum: | JD 2461022.838394 | \ | 13 Dec 2025 08:07:17.241600 UT |