Supporting amateur astronomers since 1890
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British Astronomical Association Supporting amateur astronomers since 1890 |
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| Total observations: | 7,543 | Minimum magnitude: | 14.010 | Maximum magnitude: | 6.980 | ||
| First observation: | JD 2411775.500000 | \ | 12 Feb 1891 00:00:00.000000 UT | Latest observation: | JD 2460232.446470 | \ | 14 Oct 2023 22:42:55.008000 UT |
| Observation Method | Number of Observations |
|---|---|
| Visual | 7,505 |
| CCD | 22 |
| CMOS | 16 |
| Observer Id | Observer Name | Number of Observations | First Observation JD / UT | Latest Observation JD / UT | Minimum Magnitude | Maximum Magnitude |
|---|---|---|---|---|---|---|
| COR | H Corder | 3 | 2413210.000000 16 Jan 1895 12:00:00.000000 | 2413481.500000 15 Oct 1895 00:00:00.000000 | 12.000 | 8.000 |
| WJT | J T Wood | 7 | 2413476.500000 10 Oct 1895 00:00:00.000000 | 2413575.500000 17 Jan 1896 00:00:00.000000 | 11.500 | 8.000 |
| MK | E E Markwick | 184 | 2411775.500000 12 Feb 1891 00:00:00.000000 | 2423440.000000 20 Jan 1923 12:00:00.000000 | 13.370 | 7.000 |
| JMP | J De Morae Pereira | 8 | 2413489.500000 23 Oct 1895 00:00:00.000000 | 2413530.000000 2 Dec 1895 12:00:00.000000 | 10.400 | 8.500 |
| CHJ | J W L Child | 33 | 2415269.000000 6 Sep 1900 12:00:00.000000 | 2416055.000000 1 Nov 1902 12:00:00.000000 | 13.120 | 8.310 |
| WLX | W M Worsell | 2 | 2415295.000000 2 Oct 1900 12:00:00.000000 | 2415339.000000 15 Nov 1900 12:00:00.000000 | 10.650 | 8.420 |
| ORR | M A Orr | 8 | 2415307.000000 14 Oct 1900 12:00:00.000000 | 2416495.000000 15 Jan 1904 12:00:00.000000 | 10.070 | 8.120 |
| LEB | O A Lebeau | 10 | 2415676.000000 18 Oct 1901 12:00:00.000000 | 2415760.000000 10 Jan 1902 12:00:00.000000 | 11.350 | 8.310 |
| BC | C L Brook | 304 | 2415778.000000 28 Jan 1902 12:00:00.000000 | 2424093.000000 3 Nov 1924 12:00:00.000000 | 13.250 | 7.700 |
| RY | P M Ryves | 269 | 2416858.000000 12 Jan 1905 12:00:00.000000 | 2424506.000000 21 Dec 1925 12:00:00.000000 | 12.780 | 7.700 |
| BN | A N Brown | 738 | 2417497.000000 13 Oct 1906 12:00:00.000000 | 2427716.000000 5 Oct 1934 12:00:00.000000 | 13.510 | 7.800 |
| GDX | J A Greenwood | 5 | 2417880.000000 31 Oct 1907 12:00:00.000000 | 2419666.000000 20 Sep 1912 12:00:00.000000 | 12.750 | 8.510 |
| NI | A A Nijland | 695 | 2417942.000000 1 Jan 1908 12:00:00.000000 | 2427790.000000 18 Dec 1934 12:00:00.000000 | 14.010 | 7.480 |
| OF | J M Offord | 9 | 2417945.000000 4 Jan 1908 12:00:00.000000 | 2418273.000000 27 Nov 1908 12:00:00.000000 | 13.260 | 8.510 |
| D | F De Roy | 424 | 2418235.000000 20 Oct 1908 12:00:00.000000 | 2427803.000000 31 Dec 1934 12:00:00.000000 | 13.910 | 7.380 |
| TNX | F C Thomson | 247 | 2419722.000000 15 Nov 1912 12:00:00.000000 | 2423027.000000 3 Dec 1921 12:00:00.000000 | 13.980 | 7.280 |
| BO | J J Bougon | 118 | 2420149.000000 16 Jan 1914 12:00:00.000000 | 2424433.000000 9 Oct 1925 12:00:00.000000 | 13.610 | 7.600 |
| BCX | A B Burbeck | 15 | 2420170.000000 6 Feb 1914 12:00:00.000000 | 2421182.000000 14 Nov 1916 12:00:00.000000 | 10.450 | 8.010 |
| HTH | H Thomson | 43 | 2420709.000000 30 Jul 1915 12:00:00.000000 | 2422310.000000 17 Dec 1919 12:00:00.000000 | 12.950 | 7.580 |
| GA | W T Gayfer | 56 | 2420759.000000 18 Sep 1915 12:00:00.000000 | 2434657.500000 7 Oct 1953 00:00:00.000000 | 12.750 | 7.710 |
| BG | J H Bridger | 347 | 2421075.000000 30 Jul 1916 12:00:00.000000 | 2428857.300000 19 Nov 1937 19:12:00.000000 | 13.150 | 7.800 |
| GBL | G B Lacchini | 5 | 2421627.000000 2 Feb 1918 12:00:00.000000 | 2421810.000000 4 Aug 1918 12:00:00.000000 | 11.200 | 7.090 |
| GI | N V Ginori | 39 | 2422610.000000 12 Oct 1920 12:00:00.000000 | 2423610.000000 9 Jul 1923 12:00:00.000000 | 13.610 | 8.060 |
| GRH | H R Grimwood | 10 | 2422968.000000 5 Oct 1921 12:00:00.000000 | 2423706.000000 13 Oct 1923 12:00:00.000000 | 12.320 | 8.210 |
| WFH | W F H Waterfield | 78 | 2423230.000000 24 Jun 1922 12:00:00.000000 | 2424704.000000 7 Jul 1926 12:00:00.000000 | 13.710 | 8.310 |
| CA | R G Chandra | 169 | 2423240.000000 4 Jul 1922 12:00:00.000000 | 2429600.600000 3 Dec 1939 02:24:00.000000 | 13.000 | 7.490 |
| LE | G H Lepper | 89 | 2423313.000000 15 Sep 1922 12:00:00.000000 | 2425172.000000 18 Oct 1927 12:00:00.000000 | 12.950 | 7.820 |
| KW | G F Kellaway | 16 | 2423382.000000 23 Nov 1922 12:00:00.000000 | 2426707.000000 31 Dec 1931 12:00:00.000000 | 13.360 | 8.270 |
| LI | W M Lindley | 205 | 2423427.000000 7 Jan 1923 12:00:00.000000 | 2434300.400000 14 Oct 1952 21:36:00.000000 | 13.370 | 7.290 |
| BK | T P Bhaskaran | 66 | 2424120.000000 30 Nov 1924 12:00:00.000000 | 2426333.000000 22 Dec 1930 12:00:00.000000 | 12.650 | 7.380 |
| WB | H Webber | 109 | 2424134.000000 14 Dec 1924 12:00:00.000000 | 2428408.600000 28 Aug 1936 02:24:00.000000 | 13.150 | 7.170 |
| BA | M K Bappu | 231 | 2424167.000000 16 Jan 1925 12:00:00.000000 | 2431078.600000 20 Dec 1943 02:24:00.000000 | 13.150 | 6.980 |
| HA | G P B Hallowes | 138 | 2424735.000000 7 Aug 1926 12:00:00.000000 | 2426629.000000 14 Oct 1931 12:00:00.000000 | 13.670 | 8.210 |
| SH | W L Shepherd | 111 | 2425131.000000 7 Sep 1927 12:00:00.000000 | 2433943.400000 23 Oct 1951 21:36:00.000000 | 13.260 | 7.740 |
| CB | H Cobb | 124 | 2425185.000000 31 Oct 1927 12:00:00.000000 | 2429301.600000 7 Feb 1939 02:24:00.000000 | 11.750 | 7.900 |
| PE | E E Peacock | 104 | 2425280.000000 3 Feb 1928 12:00:00.000000 | 2427829.200000 26 Jan 1935 16:48:00.000000 | 12.750 | 8.310 |
| LH | A W Lane-Hall | 112 | 2425532.000000 12 Oct 1928 12:00:00.000000 | 2427515.000000 18 Mar 1934 12:00:00.000000 | 13.050 | 8.100 |
| FY | R M Fry | 69 | 2425555.000000 4 Nov 1928 12:00:00.000000 | 2428105.400000 29 Oct 1935 21:36:00.000000 | 12.750 | 7.330 |
| TH | A D Thackeray | 49 | 2425965.000000 19 Dec 1929 12:00:00.000000 | 2426983.000000 2 Oct 1932 12:00:00.000000 | 13.360 | 8.610 |
| SV | W H Steavenson | 28 | 2426635.000000 20 Oct 1931 12:00:00.000000 | 2428152.400000 15 Dec 1935 21:36:00.000000 | 13.710 | 11.690 |
| BH | C F Butterworth | 1 | 2426715.000000 8 Jan 1932 12:00:00.000000 | 2426715.000000 8 Jan 1932 12:00:00.000000 | 9.310 | 9.310 |
| HV | P Harvey | 80 | 2427297.000000 12 Aug 1933 12:00:00.000000 | 2429927.400000 24 Oct 1940 21:36:00.000000 | 12.550 | 7.650 |
| AY | F Addey | 4 | 2427784.000000 12 Dec 1934 12:00:00.000000 | 2427855.300000 21 Feb 1935 19:12:00.000000 | 11.270 | 7.980 |
| HL | F M Holborn | 310 | 2427798.000000 26 Dec 1934 12:00:00.000000 | 2437374.300000 15 Mar 1961 19:12:00.000000 | 14.000 | 7.490 |
| HS | P J Harris | 17 | 2427806.000000 3 Jan 1935 12:00:00.000000 | 2428460.300000 18 Oct 1936 19:12:00.000000 | 11.150 | 7.910 |
| PX | H Pain | 1 | 2428066.500000 21 Sep 1935 00:00:00.000000 | 2428066.500000 21 Sep 1935 00:00:00.000000 | 9.750 | 9.750 |
| WR | M L Webber | 4 | 2428159.000000 22 Dec 1935 12:00:00.000000 | 2428168.000000 31 Dec 1935 12:00:00.000000 | 12.400 | 11.240 |
| BZ | J R Bazin | 247 | 2428425.400000 13 Sep 1936 21:36:00.000000 | 2434098.300000 26 Mar 1952 19:12:00.000000 | 13.710 | 7.510 |
| WL | H Wildey | 104 | 2429269.300000 5 Jan 1939 19:12:00.000000 | 2432806.400000 11 Sep 1948 21:36:00.000000 | 13.300 | 7.880 |
| UG | R F T Granger | 15 | 2429272.300000 8 Jan 1939 19:12:00.000000 | 2432186.400000 31 Dec 1946 21:36:00.000000 | 12.800 | 8.410 |
| KT | N F H Knight | 19 | 2429277.400000 13 Jan 1939 21:36:00.000000 | 2429578.400000 10 Nov 1939 21:36:00.000000 | 13.100 | 8.310 |
| PD | C A Padgham | 9 | 2431785.300000 25 Nov 1945 19:12:00.000000 | 2432186.300000 31 Dec 1946 19:12:00.000000 | 12.320 | 8.050 |
| FR | J Friends | 66 | 2434027.400000 15 Jan 1952 21:36:00.000000 | 2438346.400000 12 Nov 1963 21:36:00.000000 | 12.390 | 7.850 |
| SM | F W Smith | 9 | 2434600.500000 11 Aug 1953 00:00:00.000000 | 2434740.400000 28 Dec 1953 21:36:00.000000 | 12.320 | 8.210 |
| AN | R G Andrews | 12 | 2436628.300000 28 Feb 1959 19:12:00.000000 | 2436921.400000 18 Dec 1959 21:36:00.000000 | 12.430 | 7.690 |
| SD | J Shepherd | 55 | 2436823.500000 12 Sep 1959 00:00:00.000000 | 2439444.400000 14 Nov 1966 21:36:00.000000 | 12.090 | 7.650 |
| MB | L Muniz Barreto | 1 | 2436868.600000 27 Oct 1959 02:24:00.000000 | 2436868.600000 27 Oct 1959 02:24:00.000000 | 8.060 | 8.060 |
| MN | R J Munson | 36 | 2436897.300000 24 Nov 1959 19:12:00.000000 | 2438393.400000 29 Dec 1963 21:36:00.000000 | 13.000 | 8.510 |
| MF | W Maffett | 25 | 2436970.300000 5 Feb 1960 19:12:00.000000 | 2437713.300000 17 Feb 1962 19:12:00.000000 | 12.720 | 8.080 |
| CN | P J Conely | 3 | 2436980.300000 15 Feb 1960 19:12:00.000000 | 2436997.300000 3 Mar 1960 19:12:00.000000 | 12.120 | 10.930 |
| GL | J S Glasby | 104 | 2437148.600000 2 Aug 1960 02:24:00.000000 | 2438293.400000 20 Sep 1963 21:36:00.000000 | 13.250 | 8.410 |
| SF | R C I Shinkfield | 50 | 2437263.900000 25 Nov 1960 09:36:00.000000 | 2442048.000000 31 Dec 1973 12:00:00.000000 | 12.320 | 7.790 |
| LB | C M H Lambert | 21 | 2438327.400000 24 Oct 1963 21:36:00.000000 | 2439438.400000 8 Nov 1966 21:36:00.000000 | 12.320 | 8.310 |
| CH | R H Chambers | 11 | 2438355.500000 22 Nov 1963 00:00:00.000000 | 2441993.400000 6 Nov 1973 21:36:00.000000 | 12.600 | 7.880 |
| LV | R J Livesey | 132 | 2438400.300000 5 Jan 1964 19:12:00.000000 | 2441292.400000 6 Dec 1971 21:36:00.000000 | 12.320 | 7.690 |
| DX | P G Dixon | 6 | 2438411.400000 16 Jan 1964 21:36:00.000000 | 2438679.400000 10 Oct 1964 21:36:00.000000 | 13.250 | 9.470 |
| EJ | J W L Ells | 5 | 2438708.400000 8 Nov 1964 21:36:00.000000 | 2439030.400000 26 Sep 1965 21:36:00.000000 | 12.750 | 7.790 |
| JN | R H Jones | 18 | 2438978.500000 6 Aug 1965 00:00:00.000000 | 2439123.500000 29 Dec 1965 00:00:00.000000 | 12.600 | 8.010 |
| SW | D R B Saw | 238 | 2439039.400000 5 Oct 1965 21:36:00.000000 | 2442047.300000 30 Dec 1973 19:12:00.000000 | 13.400 | 7.810 |
| KX | O J Knox | 342 | 2439055.500000 22 Oct 1965 00:00:00.000000 | 2442404.200000 22 Dec 1974 16:48:00.000000 | 13.500 | 7.790 |
| PI | R D Pickard | 57 | 2439793.500000 30 Oct 1967 00:00:00.000000 | 2442110.300000 3 Mar 1974 19:12:00.000000 | 13.160 | 7.940 |
| CR | P Crofton-Sleigh | 4 | 2439856.300000 31 Dec 1967 19:12:00.000000 | 2440527.400000 1 Nov 1969 21:36:00.000000 | 10.300 | 8.510 |
| IS | J E Isles | 1 | 2440062.500000 25 Jul 1968 00:00:00.000000 | 2440062.500000 25 Jul 1968 00:00:00.000000 | 9.010 | 9.010 |
| MR | P A Moore | 109 | 2440091.400000 22 Aug 1968 21:36:00.000000 | 2442279.500000 20 Aug 1974 00:00:00.000000 | 13.500 | 7.800 |
| HH | I D Howarth | 4 | 2440956.400000 4 Jan 1971 21:36:00.000000 | 2440990.300000 7 Feb 1971 19:12:00.000000 | 8.860 | 7.990 |
| SL | A M Savill | 3 | 2441189.400000 25 Aug 1971 21:36:00.000000 | 2441763.400000 21 Mar 1973 21:36:00.000000 | 11.150 | 9.400 |
| GD | M J Gainsford | 28 | 2441262.400000 6 Nov 1971 21:36:00.000000 | 2442092.400000 13 Feb 1974 21:36:00.000000 | 13.000 | 8.050 |
| MJ | J W Mason | 3 | 2442287.600000 28 Aug 1974 02:24:00.000000 | 2442310.500000 20 Sep 1974 00:00:00.000000 | 9.950 | 9.500 |
| ARB | A R Baransky | 22 | 2450099.400000 16 Jan 1996 21:36:00.000000 | 2450850.400000 5 Feb 1998 21:36:00.000000 | 11.400 | 7.700 |
| RJB | R J Bouma | 1 | 2450373.400000 16 Oct 1996 21:36:00.000000 | 2450373.400000 16 Oct 1996 21:36:00.000000 | 12.000 | 12.000 |
| AX | C M Allen | 12 | 2454034.324300 25 Oct 2006 19:46:59.520000 | 2455840.358300 5 Oct 2011 20:35:57.120000 | 13.100 | 8.900 |
| QM | T Markham | 10 | 2444128.347000 11 Sep 1979 20:19:40.800000 | 2457395.413000 7 Jan 2016 21:54:43.200000 | 9.300 | 7.700 |
| TLH | T L Heywood | 3 | 2458126.469000 7 Jan 2018 23:15:21.600000 | 2458307.559000 8 Jul 2018 01:24:57.600000 | 8.900 | 7.900 |
| AG | S W Albrighton | 26 | 2458159.316000 9 Feb 2018 19:35:02.400000 | 2459850.441000 27 Sep 2022 22:35:02.400000 | 12.400 | 7.900 |
| GPF | G Fleming | 38 | 2458783.435760 26 Oct 2019 22:27:29.664000 | 2460232.446470 14 Oct 2023 22:42:55.008000 | 13.069 | 7.925 |