Supporting amateur astronomers since 1890
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British Astronomical Association Supporting amateur astronomers since 1890 |
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| BL Lac: BL Lac Galaxy | |||
| Total Number of Spectra: | 19 | ||
| First Spectrum: | JD 2458405.884500 | \ | 14 Oct 2018 09:13:40.800000 UT |
| Latest Spectrum: | JD 2460574.830833 | \ | 21 Sep 2024 07:56:23.971200 UT |