Supporting amateur astronomers since 1890
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British Astronomical Association Supporting amateur astronomers since 1890 |
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| Total observations: | 2,444 | Minimum magnitude: | 13.980 | Maximum magnitude: | 6.590 | ||
| First observation: | JD 2413001.500000 | \ | 22 Jun 1894 00:00:00.000000 UT | Latest observation: | JD 2460368.499290 | \ | 27 Feb 2024 23:58:58.656000 UT |
| Observation Method | Number of Observations |
|---|---|
| Visual | 2,417 |
| CCD | 15 |
| CMOS | 12 |
| Observer Id | Observer Name | Number of Observations | First Observation JD / UT | Latest Observation JD / UT | Minimum Magnitude | Maximum Magnitude |
|---|---|---|---|---|---|---|
| NI | A A Nijland | 315 | 2422335.000000 11 Jan 1920 12:00:00.000000 | 2427780.000000 8 Dec 1934 12:00:00.000000 | 13.530 | 7.600 |
| GI | N V Ginori | 42 | 2422581.000000 13 Sep 1920 12:00:00.000000 | 2423607.000000 6 Jul 1923 12:00:00.000000 | 13.300 | 7.420 |
| BO | J J Bougon | 35 | 2422632.000000 3 Nov 1920 12:00:00.000000 | 2423050.000000 26 Dec 1921 12:00:00.000000 | 13.300 | 7.820 |
| BC | C L Brook | 17 | 2422697.000000 7 Jan 1921 12:00:00.000000 | 2424082.000000 23 Oct 1924 12:00:00.000000 | 13.540 | 7.960 |
| LI | W M Lindley | 169 | 2422699.000000 9 Jan 1921 12:00:00.000000 | 2427781.000000 9 Dec 1934 12:00:00.000000 | 13.130 | 7.100 |
| BH | C F Butterworth | 913 | 2422714.000000 24 Jan 1921 12:00:00.000000 | 2427803.000000 31 Dec 1934 12:00:00.000000 | 13.640 | 6.590 |
| GRH | H R Grimwood | 22 | 2422753.000000 4 Mar 1921 12:00:00.000000 | 2423573.000000 2 Jun 1923 12:00:00.000000 | 12.540 | 7.420 |
| WI | J W Wilson | 23 | 2422852.000000 11 Jun 1921 12:00:00.000000 | 2423903.000000 27 Apr 1924 12:00:00.000000 | 12.810 | 7.860 |
| WFH | W F H Waterfield | 117 | 2422964.000000 1 Oct 1921 12:00:00.000000 | 2424704.000000 7 Jul 1926 12:00:00.000000 | 13.980 | 7.360 |
| SA | F Sargent | 183 | 2423103.000000 17 Feb 1922 12:00:00.000000 | 2427803.000000 31 Dec 1934 12:00:00.000000 | 13.040 | 7.080 |
| SI | H Simmons | 71 | 2423727.000000 3 Nov 1923 12:00:00.000000 | 2425209.000000 24 Nov 1927 12:00:00.000000 | 13.510 | 7.860 |
| PH | T E R Phillips | 30 | 2423728.000000 4 Nov 1923 12:00:00.000000 | 2425209.000000 24 Nov 1927 12:00:00.000000 | 13.400 | 8.640 |
| WO | H Whichello | 73 | 2423849.000000 4 Mar 1924 12:00:00.000000 | 2427782.000000 10 Dec 1934 12:00:00.000000 | 12.810 | 7.670 |
| SV | W H Steavenson | 65 | 2424481.000000 26 Nov 1925 12:00:00.000000 | 2427212.000000 19 May 1933 12:00:00.000000 | 13.430 | 8.160 |
| CA | R G Chandra | 20 | 2424850.000000 30 Nov 1926 12:00:00.000000 | 2427802.000000 30 Dec 1934 12:00:00.000000 | 13.570 | 8.490 |
| HA | G P B Hallowes | 48 | 2424884.000000 3 Jan 1927 12:00:00.000000 | 2426626.000000 11 Oct 1931 12:00:00.000000 | 13.860 | 7.860 |
| SH | W L Shepherd | 25 | 2425209.000000 24 Nov 1927 12:00:00.000000 | 2425586.000000 5 Dec 1928 12:00:00.000000 | 13.780 | 9.930 |
| LH | A W Lane-Hall | 77 | 2425630.000000 18 Jan 1929 12:00:00.000000 | 2427515.000000 18 Mar 1934 12:00:00.000000 | 12.520 | 8.140 |
| D | F De Roy | 65 | 2426445.000000 13 Apr 1931 12:00:00.000000 | 2427803.000000 31 Dec 1934 12:00:00.000000 | 13.400 | 7.620 |
| BA | M K Bappu | 1 | 2426791.000000 24 Mar 1932 12:00:00.000000 | 2426791.000000 24 Mar 1932 12:00:00.000000 | 13.100 | 13.100 |
| LM | G P Lishman | 47 | 2427175.000000 12 Apr 1933 12:00:00.000000 | 2427792.000000 20 Dec 1934 12:00:00.000000 | 13.040 | 7.660 |
| BG | J H Bridger | 26 | 2427225.000000 1 Jun 1933 12:00:00.000000 | 2427801.000000 29 Dec 1934 12:00:00.000000 | 12.540 | 8.250 |
| WB | H Webber | 1 | 2427354.000000 8 Oct 1933 12:00:00.000000 | 2427354.000000 8 Oct 1933 12:00:00.000000 | 8.320 | 8.320 |
| FY | R M Fry | 3 | 2427457.000000 19 Jan 1934 12:00:00.000000 | 2427504.000000 7 Mar 1934 12:00:00.000000 | 11.110 | 9.840 |
| HL | F M Holborn | 1 | 2427801.000000 29 Dec 1934 12:00:00.000000 | 2427801.000000 29 Dec 1934 12:00:00.000000 | 8.530 | 8.530 |
| VP | P Veleshchuk | 5 | 2450476.300000 27 Jan 1997 19:12:00.000000 | 2450517.300000 9 Mar 1997 19:12:00.000000 | 9.300 | 8.600 |
| ARB | A R Baransky | 1 | 2450836.500000 23 Jan 1998 00:00:00.000000 | 2450836.500000 23 Jan 1998 00:00:00.000000 | 8.900 | 8.900 |
| JMP | J De Morae Pereira | 2 | 2413001.500000 22 Jun 1894 00:00:00.000000 | 2413326.500000 13 May 1895 00:00:00.000000 | 8.900 | 7.900 |
| AX | C M Allen | 11 | 2454820.341700 19 Dec 2008 20:12:02.880000 | 2455543.318100 12 Dec 2010 19:38:03.840000 | 12.500 | 9.100 |
| AG | S W Albrighton | 9 | 2458412.628000 21 Oct 2018 03:04:19.200000 | 2459929.417000 15 Dec 2022 22:00:28.800000 | 12.900 | 9.000 |
| GPF | G Fleming | 27 | 2458871.309880 22 Jan 2020 19:26:13.632000 | 2460368.499290 27 Feb 2024 23:58:58.656000 | 13.169 | 9.587 |