Supporting amateur astronomers since 1890
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British Astronomical Association Supporting amateur astronomers since 1890 |
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| Total observations: | 10,733 | Minimum magnitude: | 13.500 | Maximum magnitude: | 5.800 | ||
| First observation: | JD 2412121.500000 | \ | 24 Jan 1892 00:00:00.000000 UT | Latest observation: | JD 2460094.438000 | \ | 29 May 2023 22:30:43.200000 UT |
| Observation Method | Number of Observations |
|---|---|
| Visual | 10,733 |
| Observer Id | Observer Name | Number of Observations | First Observation JD / UT | Latest Observation JD / UT | Minimum Magnitude | Maximum Magnitude |
|---|---|---|---|---|---|---|
| MK | E E Markwick | 267 | 2412121.500000 24 Jan 1892 00:00:00.000000 | 2424150.000000 30 Dec 1924 12:00:00.000000 | 13.100 | 7.070 |
| JMP | J De Morae Pereira | 69 | 2412332.500000 22 Aug 1892 00:00:00.000000 | 2413563.500000 5 Jan 1896 00:00:00.000000 | 13.000 | 7.500 |
| COR | H Corder | 76 | 2412591.500000 8 May 1893 00:00:00.000000 | 2417586.000000 10 Jan 1907 12:00:00.000000 | 13.500 | 6.800 |
| PEX | J M Peridier | 10 | 2415284.000000 21 Sep 1900 12:00:00.000000 | 2415646.000000 18 Sep 1901 12:00:00.000000 | 12.400 | 7.890 |
| ORR | M A Orr | 7 | 2415295.000000 2 Oct 1900 12:00:00.000000 | 2416378.000000 20 Sep 1903 12:00:00.000000 | 9.800 | 7.070 |
| CHJ | J W L Child | 36 | 2415594.000000 28 Jul 1901 12:00:00.000000 | 2416055.000000 1 Nov 1902 12:00:00.000000 | 12.500 | 7.000 |
| BN | A N Brown | 1,415 | 2417265.000000 23 Feb 1906 12:00:00.000000 | 2427694.000000 13 Sep 1934 12:00:00.000000 | 13.100 | 6.550 |
| BTX | J H Best | 6 | 2417299.000000 29 Mar 1906 12:00:00.000000 | 2417327.000000 26 Apr 1906 12:00:00.000000 | 9.250 | 7.830 |
| BC | C L Brook | 324 | 2417327.000000 26 Apr 1906 12:00:00.000000 | 2424093.000000 3 Nov 1924 12:00:00.000000 | 13.100 | 6.970 |
| D | F De Roy | 643 | 2417389.000000 27 Jun 1906 12:00:00.000000 | 2427789.000000 17 Dec 1934 12:00:00.000000 | 13.000 | 6.920 |
| BDX | J T Bird | 82 | 2417463.000000 9 Sep 1906 12:00:00.000000 | 2418586.000000 6 Oct 1909 12:00:00.000000 | 11.700 | 7.090 |
| RY | P M Ryves | 124 | 2417481.000000 27 Sep 1906 12:00:00.000000 | 2418303.000000 27 Dec 1908 12:00:00.000000 | 12.300 | 6.700 |
| OA | W Oakes | 1 | 2417789.000000 1 Aug 1907 12:00:00.000000 | 2417789.000000 1 Aug 1907 12:00:00.000000 | 8.030 | 8.030 |
| NI | A A Nijland | 692 | 2417905.000000 25 Nov 1907 12:00:00.000000 | 2427780.000000 8 Dec 1934 12:00:00.000000 | 13.050 | 6.600 |
| GDX | J A Greenwood | 11 | 2417935.000000 25 Dec 1907 12:00:00.000000 | 2419684.000000 8 Oct 1912 12:00:00.000000 | 12.500 | 7.780 |
| GBL | G B Lacchini | 39 | 2419497.000000 4 Apr 1912 12:00:00.000000 | 2420090.000000 18 Nov 1913 12:00:00.000000 | 11.940 | 7.190 |
| HW | E J How | 140 | 2419698.000000 22 Oct 1912 12:00:00.000000 | 2426728.000000 21 Jan 1932 12:00:00.000000 | 12.970 | 6.700 |
| BO | J J Bougon | 164 | 2419914.000000 26 May 1913 12:00:00.000000 | 2423419.000000 30 Dec 1922 12:00:00.000000 | 13.100 | 7.260 |
| BCX | A B Burbeck | 17 | 2420228.000000 5 Apr 1914 12:00:00.000000 | 2421174.000000 6 Nov 1916 12:00:00.000000 | 11.900 | 7.420 |
| CRX | F R Cripps | 3 | 2420249.000000 26 Apr 1914 12:00:00.000000 | 2420269.000000 16 May 1914 12:00:00.000000 | 8.420 | 7.880 |
| GA | W T Gayfer | 58 | 2420753.000000 12 Sep 1915 12:00:00.000000 | 2434711.300000 29 Nov 1953 19:12:00.000000 | 12.500 | 7.200 |
| BG | J H Bridger | 678 | 2421379.000000 30 May 1917 12:00:00.000000 | 2428857.300000 19 Nov 1937 19:12:00.000000 | 12.950 | 6.210 |
| ABX | A Brun | 99 | 2422107.000000 28 May 1919 12:00:00.000000 | 2422932.000000 30 Aug 1921 12:00:00.000000 | 12.800 | 7.070 |
| CO | E H Collinson | 204 | 2422392.000000 8 Mar 1920 12:00:00.000000 | 2424448.000000 24 Oct 1925 12:00:00.000000 | 11.800 | 7.120 |
| MSX | A A Miles | 19 | 2422623.000000 25 Oct 1920 12:00:00.000000 | 2422751.000000 2 Mar 1921 12:00:00.000000 | 11.700 | 7.950 |
| CA | R G Chandra | 112 | 2422753.000000 4 Mar 1921 12:00:00.000000 | 2429551.300000 14 Oct 1939 19:12:00.000000 | 12.740 | 6.600 |
| LE | G H Lepper | 118 | 2423315.000000 17 Sep 1922 12:00:00.000000 | 2425172.000000 18 Oct 1927 12:00:00.000000 | 12.500 | 7.070 |
| BH | C F Butterworth | 1,243 | 2423426.000000 6 Jan 1923 12:00:00.000000 | 2430077.400000 23 Mar 1941 21:36:00.000000 | 13.000 | 6.600 |
| LI | W M Lindley | 198 | 2423434.000000 14 Jan 1923 12:00:00.000000 | 2428817.400000 10 Oct 1937 21:36:00.000000 | 12.580 | 6.770 |
| PH | T E R Phillips | 25 | 2423636.000000 4 Aug 1923 12:00:00.000000 | 2425294.000000 17 Feb 1928 12:00:00.000000 | 12.880 | 7.660 |
| KW | G F Kellaway | 20 | 2423884.000000 8 Apr 1924 12:00:00.000000 | 2426707.000000 31 Dec 1931 12:00:00.000000 | 12.500 | 7.370 |
| WO | H Whichello | 123 | 2424406.000000 12 Sep 1925 12:00:00.000000 | 2427799.000000 27 Dec 1934 12:00:00.000000 | 12.800 | 6.700 |
| WFH | W F H Waterfield | 4 | 2424681.000000 14 Jun 1926 12:00:00.000000 | 2424704.000000 7 Jul 1926 12:00:00.000000 | 11.300 | 9.850 |
| TH | A D Thackeray | 109 | 2425265.000000 19 Jan 1928 12:00:00.000000 | 2426983.000000 2 Oct 1932 12:00:00.000000 | 12.740 | 7.440 |
| LH | A W Lane-Hall | 114 | 2425767.000000 4 Jun 1929 12:00:00.000000 | 2427515.000000 18 Mar 1934 12:00:00.000000 | 12.700 | 7.290 |
| CB | H Cobb | 50 | 2427308.000000 23 Aug 1933 12:00:00.000000 | 2428847.500000 10 Nov 1937 00:00:00.000000 | 12.400 | 7.290 |
| HS | P J Harris | 44 | 2427308.000000 23 Aug 1933 12:00:00.000000 | 2428533.300000 30 Dec 1936 19:12:00.000000 | 12.500 | 7.560 |
| RW | G O Rawstron | 11 | 2427360.000000 14 Oct 1933 12:00:00.000000 | 2429370.400000 16 Apr 1939 21:36:00.000000 | 11.940 | 7.340 |
| AA | C J M Aanensen | 31 | 2427915.400000 22 Apr 1935 21:36:00.000000 | 2428281.500000 23 Apr 1936 00:00:00.000000 | 12.500 | 7.340 |
| HL | F M Holborn | 324 | 2428550.400000 16 Jan 1937 21:36:00.000000 | 2437017.400000 23 Mar 1960 21:36:00.000000 | 13.000 | 6.800 |
| KT | N F H Knight | 93 | 2428611.400000 18 Mar 1937 21:36:00.000000 | 2432199.400000 13 Jan 1947 21:36:00.000000 | 12.700 | 7.070 |
| BZ | J R Bazin | 229 | 2428758.400000 12 Aug 1937 21:36:00.000000 | 2433944.300000 24 Oct 1951 19:12:00.000000 | 12.920 | 7.000 |
| WL | H Wildey | 343 | 2428847.500000 10 Nov 1937 00:00:00.000000 | 2432851.400000 26 Oct 1948 21:36:00.000000 | 13.000 | 6.850 |
| IL | D W Ilott | 9 | 2429717.300000 28 Mar 1940 19:12:00.000000 | 2429776.400000 26 May 1940 21:36:00.000000 | 9.540 | 7.560 |
| HE | A Heath | 3 | 2432173.300000 18 Dec 1946 19:12:00.000000 | 2432186.500000 1 Jan 1947 00:00:00.000000 | 11.800 | 10.900 |
| SH | W L Shepherd | 22 | 2433412.500000 11 May 1950 00:00:00.000000 | 2433943.400000 23 Oct 1951 21:36:00.000000 | 12.900 | 7.630 |
| AN | R G Andrews | 172 | 2433456.500000 24 Jun 1950 00:00:00.000000 | 2436867.300000 25 Oct 1959 19:12:00.000000 | 12.900 | 7.270 |
| FR | J Friends | 127 | 2433739.500000 3 Apr 1951 00:00:00.000000 | 2439400.400000 1 Oct 1966 21:36:00.000000 | 12.500 | 7.120 |
| AT | L W R W Atcherley | 5 | 2434495.400000 27 Apr 1953 21:36:00.000000 | 2435022.300000 6 Oct 1954 19:12:00.000000 | 11.800 | 8.490 |
| ST | G E B Stephenson | 26 | 2434623.400000 2 Sep 1953 21:36:00.000000 | 2434774.300000 31 Jan 1954 19:12:00.000000 | 11.400 | 7.070 |
| GR | R F Griffin | 20 | 2435005.400000 19 Sep 1954 21:36:00.000000 | 2435489.400000 16 Jan 1956 21:36:00.000000 | 12.120 | 7.120 |
| JO | H Joy | 1 | 2435005.400000 19 Sep 1954 21:36:00.000000 | 2435005.400000 19 Sep 1954 21:36:00.000000 | 10.450 | 10.450 |
| EL | D J Ells | 9 | 2435178.400000 11 Mar 1955 21:36:00.000000 | 2435394.400000 13 Oct 1955 21:36:00.000000 | 12.500 | 7.030 |
| WA | E Waring | 13 | 2436454.400000 7 Sep 1958 21:36:00.000000 | 2436511.300000 3 Nov 1958 19:12:00.000000 | 11.800 | 8.840 |
| MI | R Middlefell | 40 | 2436657.500000 30 Mar 1959 00:00:00.000000 | 2438667.500000 29 Sep 1964 00:00:00.000000 | 12.950 | 7.170 |
| SD | J Shepherd | 146 | 2436727.500000 8 Jun 1959 00:00:00.000000 | 2440065.500000 28 Jul 1968 00:00:00.000000 | 13.000 | 7.140 |
| MC | D G Mccartan | 59 | 2436739.500000 20 Jun 1959 00:00:00.000000 | 2442014.500000 28 Nov 1973 00:00:00.000000 | 12.700 | 7.070 |
| CN | P J Conely | 23 | 2436834.300000 22 Sep 1959 19:12:00.000000 | 2437163.400000 16 Aug 1960 21:36:00.000000 | 11.470 | 7.230 |
| WE | A K Welch | 3 | 2436865.400000 23 Oct 1959 21:36:00.000000 | 2436924.400000 21 Dec 1959 21:36:00.000000 | 9.300 | 7.540 |
| HT | G H Hartley | 19 | 2436866.500000 25 Oct 1959 00:00:00.000000 | 2437196.500000 19 Sep 1960 00:00:00.000000 | 12.900 | 7.820 |
| ME | J Meeus | 1 | 2437587.400000 14 Oct 1961 21:36:00.000000 | 2437587.400000 14 Oct 1961 21:36:00.000000 | 11.100 | 11.100 |
| CU | R F Churchhouse | 7 | 2437895.400000 18 Aug 1962 21:36:00.000000 | 2437968.400000 30 Oct 1962 21:36:00.000000 | 10.500 | 7.260 |
| LV | R J Livesey | 265 | 2437940.400000 2 Oct 1962 21:36:00.000000 | 2442013.300000 26 Nov 1973 19:12:00.000000 | 12.500 | 6.910 |
| LB | C M H Lambert | 29 | 2438084.400000 23 Feb 1963 21:36:00.000000 | 2439438.400000 8 Nov 1966 21:36:00.000000 | 11.470 | 7.440 |
| FH | J I M Forsyth | 2 | 2438155.400000 5 May 1963 21:36:00.000000 | 2438342.400000 8 Nov 1963 21:36:00.000000 | 10.100 | 8.110 |
| FW | J E S Fawcett | 3 | 2438168.500000 19 May 1963 00:00:00.000000 | 2438177.500000 28 May 1963 00:00:00.000000 | 8.390 | 7.980 |
| LO | R S Lomas | 216 | 2438260.500000 19 Aug 1963 00:00:00.000000 | 2440219.700000 29 Dec 1968 04:48:00.000000 | 13.000 | 6.850 |
| KX | O J Knox | 390 | 2439095.200000 30 Nov 1965 16:48:00.000000 | 2442404.300000 22 Dec 1974 19:12:00.000000 | 12.750 | 7.070 |
| CY | J V Carey | 3 | 2439552.600000 3 Mar 1967 02:24:00.000000 | 2439786.400000 22 Oct 1967 21:36:00.000000 | 11.320 | 8.280 |
| HO | A J Hollis | 20 | 2440358.500000 17 May 1969 00:00:00.000000 | 2440561.300000 5 Dec 1969 19:12:00.000000 | 12.000 | 7.270 |
| IS | J E Isles | 1 | 2441102.500000 31 May 1971 00:00:00.000000 | 2441102.500000 31 May 1971 00:00:00.000000 | 7.830 | 7.830 |
| BU | S F Burch | 111 | 2441336.300000 19 Jan 1972 19:12:00.000000 | 2442406.300000 24 Dec 1974 19:12:00.000000 | 12.900 | 6.990 |
| YO | P J Young | 75 | 2441468.500000 31 May 1972 00:00:00.000000 | 2442044.700000 28 Dec 1973 04:48:00.000000 | 12.800 | 6.990 |
| HP | M A Hapgood | 7 | 2441768.500000 27 Mar 1973 00:00:00.000000 | 2442008.300000 21 Nov 1973 19:12:00.000000 | 10.100 | 7.120 |
| BS | T Brelstaff | 34 | 2441775.400000 2 Apr 1973 21:36:00.000000 | 2442126.400000 19 Mar 1974 21:36:00.000000 | 10.330 | 7.070 |
| HH | I D Howarth | 7 | 2441790.400000 17 Apr 1973 21:36:00.000000 | 2441936.500000 11 Sep 1973 00:00:00.000000 | 12.100 | 7.000 |
| HY | P W Hornby | 8 | 2441817.400000 14 May 1973 21:36:00.000000 | 2442326.500000 6 Oct 1974 00:00:00.000000 | 8.180 | 7.020 |
| PO | A K Porter | 22 | 2441957.500000 2 Oct 1973 00:00:00.000000 | 2442400.300000 18 Dec 1974 19:12:00.000000 | 12.900 | 7.040 |
| BP | J A Bailey | 2 | 2442006.500000 20 Nov 1973 00:00:00.000000 | 2442035.200000 18 Dec 1973 16:48:00.000000 | 10.100 | 8.420 |
| LC | D Churchill | 6 | 2442061.400000 13 Jan 1974 21:36:00.000000 | 2442100.300000 21 Feb 1974 19:12:00.000000 | 8.280 | 7.670 |
| WS | E J W West | 10 | 2442066.500000 19 Jan 1974 00:00:00.000000 | 2449136.417300 28 May 1993 22:00:54.720000 | 12.700 | 7.750 |
| HU | D Hufton | 3 | 2442073.400000 25 Jan 1974 21:36:00.000000 | 2442109.500000 3 Mar 1974 00:00:00.000000 | 8.560 | 7.660 |
| TY | M D Taylor | 3 | 2442074.500000 27 Jan 1974 00:00:00.000000 | 2442319.400000 28 Sep 1974 21:36:00.000000 | 7.700 | 7.000 |
| ARB | A R Baransky | 155 | 2449925.500000 27 Jul 1995 00:00:00.000000 | 2451904.200000 25 Dec 2000 16:48:00.000000 | 12.900 | 7.600 |
| RJB | R J Bouma | 69 | 2450286.500000 22 Jul 1996 00:00:00.000000 | 2451866.300000 17 Nov 2000 19:12:00.000000 | 13.000 | 7.700 |
| VP | P Veleshchuk | 35 | 2450371.300000 14 Oct 1996 19:12:00.000000 | 2450746.300000 24 Oct 1997 19:12:00.000000 | 11.300 | 7.400 |
| BHG | B H Granslo | 23 | 2450519.440000 11 Mar 1997 22:33:36.000000 | 2451211.560000 2 Feb 1999 01:26:24.000000 | 11.600 | 7.500 |
| TUB | V Tuboly | 1 | 2450940.364600 6 May 1998 20:45:01.440000 | 2450940.364600 6 May 1998 20:45:01.440000 | 8.000 | 8.000 |
| -SK | G Stefanopoulos | 12 | 2453869.336800 13 May 2006 20:04:59.520000 | 2454648.378500 30 Jun 2008 21:05:02.400000 | 10.100 | 7.300 |
| AX | C M Allen | 44 | 2454674.410400 26 Jul 2008 21:50:58.560000 | 2455845.384700 10 Oct 2011 21:13:58.080000 | 12.900 | 7.700 |
| QM | T Markham | 68 | 2444050.458000 25 Jun 1979 22:59:31.200000 | 2457402.736000 15 Jan 2016 05:39:50.400000 | 9.700 | 5.800 |
| TLH | T L Heywood | 18 | 2457605.417000 4 Aug 2016 22:00:28.800000 | 2459118.420000 25 Sep 2020 22:04:48.000000 | 9.100 | 7.100 |
| AG | S W Albrighton | 11 | 2458943.462000 3 Apr 2020 23:05:16.800000 | 2460094.438000 29 May 2023 22:30:43.200000 | 12.300 | 7.300 |