Supporting amateur astronomers since 1890
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British Astronomical Association Supporting amateur astronomers since 1890 |
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| BAA Section | Object Type | Number of Spectra | Number of Observers | Number of Objects | First Spectrum JD | Latest Spectrum JD | First Spectrum UT | Latest Spectrum UT |
|---|---|---|---|---|---|---|---|---|
| Comet | Comet | 73 | 10 | 18 | 2457029.335000 | 2460635.617917 | 6 Jan 2015 20:02:24.000000 | 21 Nov 2024 02:49:48.028800 |
| Deep Sky | Galaxy | 26 | 6 | 20 | 2457397.535600 | 2460753.476000 | 10 Jan 2016 00:51:15.840000 | 18 Mar 2025 23:25:26.400000 |
| Deep Sky | Nebula | 20 | 11 | 13 | 2456733.434400 | 2460410.468200 | 16 Mar 2014 22:25:32.160000 | 9 Apr 2024 23:14:12.480000 |
| Deep Sky | Star | 635 | 16 | 71 | 2457730.721597 | 2460834.699826 | 8 Dec 2016 05:19:05.980800 | 8 Jun 2025 04:47:44.966400 |
| Mixed | Planet | 41 | 6 | 7 | 2456707.458800 | 2460727.623738 | 18 Feb 2014 23:00:40.320000 | 21 Feb 2025 02:58:10.963200 |
| None | Star | 741 | 23 | 197 | 2456469.436300 | 2460804.538700 | 25 Jun 2013 22:28:16.320000 | 9 May 2025 00:55:43.680000 |
| Solar | Sun | 2 | 1 | 1 | 2459349.120800 | 2459351.345600 | 14 May 2021 14:53:57.120000 | 16 May 2021 20:17:39.840000 |
| Variable Star | Galaxy | 63 | 7 | 25 | 2456725.527300 | 2460801.467100 | 9 Mar 2014 00:39:18.720000 | 5 May 2025 23:12:37.440000 |
| Variable Star | Star | 15991 | 45 | 1,188 | 2456361.284722 | 2460867.446800 | 9 Mar 2013 18:49:59.980800 | 10 Jul 2025 22:43:23.520000 |