Supporting amateur astronomers since 1890
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British Astronomical Association Supporting amateur astronomers since 1890 |
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| Total observations: | 4,865 | Minimum magnitude: | 14.800 | Maximum magnitude: | 8.030 | ||
| First observation: | JD 2401057.500000 | \ | 9 Oct 1861 00:00:00.000000 UT | Latest observation: | JD 2460566.392000 | \ | 12 Sep 2024 21:24:28.800000 UT |
| Observation Method | Number of Observations |
|---|---|
| Visual | 4,819 |
| CCD | 18 |
| CMOS | 28 |
| Observer Id | Observer Name | Number of Observations | First Observation JD / UT | Latest Observation JD / UT | Minimum Magnitude | Maximum Magnitude |
|---|---|---|---|---|---|---|
| GI | N V Ginori | 28 | 2422578.000000 10 Sep 1920 12:00:00.000000 | 2423610.000000 9 Jul 1923 12:00:00.000000 | 13.800 | 8.300 |
| WFH | W F H Waterfield | 75 | 2423262.000000 26 Jul 1922 12:00:00.000000 | 2424704.000000 7 Jul 1926 12:00:00.000000 | 14.800 | 8.200 |
| BC | C L Brook | 2 | 2423290.000000 23 Aug 1922 12:00:00.000000 | 2423678.000000 15 Sep 1923 12:00:00.000000 | 13.100 | 8.800 |
| LI | W M Lindley | 333 | 2423342.000000 14 Oct 1922 12:00:00.000000 | 2434116.400000 13 Apr 1952 21:36:00.000000 | 13.750 | 8.060 |
| GRH | H R Grimwood | 6 | 2423344.000000 16 Oct 1922 12:00:00.000000 | 2423737.000000 13 Nov 1923 12:00:00.000000 | 11.970 | 9.520 |
| LE | G H Lepper | 61 | 2423352.000000 24 Oct 1922 12:00:00.000000 | 2425172.000000 18 Oct 1927 12:00:00.000000 | 13.600 | 8.090 |
| BN | A N Brown | 220 | 2423497.000000 18 Mar 1923 12:00:00.000000 | 2427723.000000 12 Oct 1934 12:00:00.000000 | 13.500 | 8.300 |
| BH | C F Butterworth | 901 | 2423725.000000 1 Nov 1923 12:00:00.000000 | 2430077.300000 23 Mar 1941 19:12:00.000000 | 13.600 | 8.350 |
| BL | J Van Der Bilt | 104 | 2423817.000000 1 Feb 1924 12:00:00.000000 | 2428522.200000 19 Dec 1936 16:48:00.000000 | 13.700 | 8.360 |
| WB | H Webber | 67 | 2423989.000000 22 Jul 1924 12:00:00.000000 | 2428402.500000 22 Aug 1936 00:00:00.000000 | 13.090 | 8.120 |
| HA | G P B Hallowes | 157 | 2424166.000000 15 Jan 1925 12:00:00.000000 | 2426628.000000 13 Oct 1931 12:00:00.000000 | 14.300 | 8.120 |
| BK | T P Bhaskaran | 84 | 2424236.000000 26 Mar 1925 12:00:00.000000 | 2426333.000000 22 Dec 1930 12:00:00.000000 | 14.500 | 8.600 |
| SV | W H Steavenson | 98 | 2424429.000000 5 Oct 1925 12:00:00.000000 | 2428469.400000 27 Oct 1936 21:36:00.000000 | 14.050 | 8.400 |
| BA | M K Bappu | 201 | 2424523.000000 7 Jan 1926 12:00:00.000000 | 2431079.200000 20 Dec 1943 16:48:00.000000 | 14.400 | 8.030 |
| SI | H Simmons | 17 | 2424535.000000 19 Jan 1926 12:00:00.000000 | 2424967.000000 27 Mar 1927 12:00:00.000000 | 13.550 | 8.400 |
| LA | C H Laver | 12 | 2424742.000000 14 Aug 1926 12:00:00.000000 | 2425221.000000 6 Dec 1927 12:00:00.000000 | 12.270 | 8.600 |
| SH | W L Shepherd | 108 | 2425209.000000 24 Nov 1927 12:00:00.000000 | 2433945.300000 25 Oct 1951 19:12:00.000000 | 14.050 | 8.200 |
| LH | A W Lane-Hall | 72 | 2425588.000000 7 Dec 1928 12:00:00.000000 | 2427515.000000 18 Mar 1934 12:00:00.000000 | 13.550 | 8.400 |
| FY | R M Fry | 16 | 2426294.000000 13 Nov 1930 12:00:00.000000 | 2428095.400000 19 Oct 1935 21:36:00.000000 | 13.650 | 8.360 |
| TH | A D Thackeray | 22 | 2426331.000000 20 Dec 1930 12:00:00.000000 | 2426978.000000 27 Sep 1932 12:00:00.000000 | 13.750 | 8.600 |
| D | F De Roy | 98 | 2426391.000000 18 Feb 1931 12:00:00.000000 | 2427779.000000 7 Dec 1934 12:00:00.000000 | 13.650 | 8.600 |
| HL | F M Holborn | 273 | 2428042.500000 28 Aug 1935 00:00:00.000000 | 2436996.300000 2 Mar 1960 19:12:00.000000 | 14.300 | 8.200 |
| LM | G P Lishman | 14 | 2428077.400000 1 Oct 1935 21:36:00.000000 | 2428476.400000 3 Nov 1936 21:36:00.000000 | 13.300 | 9.000 |
| RB | J H Robinson | 146 | 2428096.400000 20 Oct 1935 21:36:00.000000 | 2442018.300000 1 Dec 1973 19:12:00.000000 | 13.300 | 8.030 |
| PA | G E Patston | 19 | 2428105.400000 29 Oct 1935 21:36:00.000000 | 2428880.400000 12 Dec 1937 21:36:00.000000 | 13.300 | 9.000 |
| BZ | J R Bazin | 247 | 2428466.400000 24 Oct 1936 21:36:00.000000 | 2434098.400000 26 Mar 1952 21:36:00.000000 | 13.750 | 8.360 |
| KT | N F H Knight | 75 | 2428753.600000 8 Aug 1937 02:24:00.000000 | 2432201.000000 15 Jan 1947 12:00:00.000000 | 13.700 | 8.580 |
| WL | H Wildey | 41 | 2429515.500000 9 Sep 1939 00:00:00.000000 | 2432806.400000 11 Sep 1948 21:36:00.000000 | 14.300 | 8.600 |
| CO | E H Collinson | 4 | 2431494.400000 7 Feb 1945 21:36:00.000000 | 2431529.300000 14 Mar 1945 19:12:00.000000 | 9.390 | 8.800 |
| PD | C A Padgham | 17 | 2431738.400000 9 Oct 1945 21:36:00.000000 | 2432638.300000 27 Mar 1948 19:12:00.000000 | 13.300 | 8.730 |
| HE | A Heath | 7 | 2432122.400000 28 Oct 1946 21:36:00.000000 | 2432186.400000 31 Dec 1946 21:36:00.000000 | 11.340 | 9.100 |
| FR | J Friends | 13 | 2434247.500000 23 Aug 1952 00:00:00.000000 | 2438268.500000 27 Aug 1963 00:00:00.000000 | 11.940 | 8.500 |
| GR | R F Griffin | 58 | 2434990.500000 5 Sep 1954 00:00:00.000000 | 2435807.400000 29 Nov 1956 21:36:00.000000 | 13.950 | 8.380 |
| RO | F A Roper | 196 | 2434995.400000 9 Sep 1954 21:36:00.000000 | 2438382.300000 18 Dec 1963 19:12:00.000000 | 13.500 | 8.350 |
| CT | B A Carter | 247 | 2437392.400000 2 Apr 1961 21:36:00.000000 | 2440571.500000 16 Dec 1969 00:00:00.000000 | 14.300 | 8.310 |
| GL | J S Glasby | 13 | 2437414.300000 24 Apr 1961 19:12:00.000000 | 2437548.500000 6 Sep 1961 00:00:00.000000 | 14.100 | 10.650 |
| JN | R H Jones | 54 | 2438628.500000 21 Aug 1964 00:00:00.000000 | 2439125.400000 30 Dec 1965 21:36:00.000000 | 12.500 | 8.470 |
| LO | R S Lomas | 145 | 2438636.600000 29 Aug 1964 02:24:00.000000 | 2440216.400000 25 Dec 1968 21:36:00.000000 | 13.100 | 8.600 |
| IS | J E Isles | 3 | 2438836.300000 16 Mar 1965 19:12:00.000000 | 2439946.400000 30 Mar 1968 21:36:00.000000 | 10.270 | 8.970 |
| FW | J E S Fawcett | 4 | 2439049.400000 15 Oct 1965 21:36:00.000000 | 2439204.500000 20 Mar 1966 00:00:00.000000 | 12.470 | 9.460 |
| KX | O J Knox | 311 | 2439068.200000 3 Nov 1965 16:48:00.000000 | 2442405.700000 24 Dec 1974 04:48:00.000000 | 14.000 | 8.450 |
| HO | A J Hollis | 1 | 2441269.500000 14 Nov 1971 00:00:00.000000 | 2441269.500000 14 Nov 1971 00:00:00.000000 | 13.300 | 13.300 |
| GD | M J Gainsford | 7 | 2441337.500000 21 Jan 1972 00:00:00.000000 | 2441619.400000 28 Oct 1972 21:36:00.000000 | 10.300 | 9.400 |
| RJB | R J Bouma | 13 | 2450363.300000 6 Oct 1996 19:12:00.000000 | 2451824.300000 6 Oct 2000 19:12:00.000000 | 11.000 | 8.600 |
| ARB | A R Baransky | 7 | 2450836.500000 23 Jan 1998 00:00:00.000000 | 2450850.400000 5 Feb 1998 21:36:00.000000 | 9.400 | 8.900 |
| HWM | H W McGee | 4 | 2453059.397200 23 Feb 2004 21:31:58.080000 | 2453267.625000 19 Sep 2004 03:00:00.000000 | 13.200 | 10.700 |
| BAX | J Baxendell | 211 | 2401057.500000 9 Oct 1861 00:00:00.000000 | 2410329.500000 27 Feb 1887 00:00:00.000000 | 13.700 | 8.200 |
| AG | S W Albrighton | 7 | 2458361.434000 30 Aug 2018 22:24:57.600000 | 2460566.392000 12 Sep 2024 21:24:28.800000 | 11.300 | 8.300 |
| GPF | G Fleming | 46 | 2458819.248760 1 Dec 2019 17:58:12.864000 | 2460324.459580 14 Jan 2024 23:01:47.712000 | 13.542 | 8.791 |