Supporting amateur astronomers since 1890
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British Astronomical Association Supporting amateur astronomers since 1890 |
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| Total observations: | 8,164 | Minimum magnitude: | 14.300 | Maximum magnitude: | 5.770 | ||
| First observation: | JD 2412940.500000 | \ | 22 Apr 1894 00:00:00.000000 UT | Latest observation: | JD 2460429.382000 | \ | 28 Apr 2024 21:10:04.800000 UT |
| Observation Method | Number of Observations |
|---|---|
| Visual | 8,106 |
| CCD | 30 |
| CMOS | 28 |
| Observer Id | Observer Name | Number of Observations | First Observation JD / UT | Latest Observation JD / UT | Minimum Magnitude | Maximum Magnitude |
|---|---|---|---|---|---|---|
| BC | C L Brook | 176 | 2417583.000000 7 Jan 1907 12:00:00.000000 | 2424093.000000 3 Nov 1924 12:00:00.000000 | 13.300 | 5.770 |
| MK | E E Markwick | 76 | 2417639.000000 4 Mar 1907 12:00:00.000000 | 2423885.000000 9 Apr 1924 12:00:00.000000 | 13.150 | 8.580 |
| BN | A N Brown | 369 | 2417700.000000 4 May 1907 12:00:00.000000 | 2427182.000000 19 Apr 1933 12:00:00.000000 | 12.900 | 6.070 |
| D | F De Roy | 368 | 2417915.000000 5 Dec 1907 12:00:00.000000 | 2427803.000000 31 Dec 1934 12:00:00.000000 | 13.500 | 5.770 |
| GDX | J A Greenwood | 2 | 2418036.000000 4 Apr 1908 12:00:00.000000 | 2418052.000000 20 Apr 1908 12:00:00.000000 | 13.000 | 12.240 |
| GHX | M E J Gheury | 11 | 2419001.000000 25 Nov 1910 12:00:00.000000 | 2419766.000000 29 Dec 1912 12:00:00.000000 | 11.660 | 7.230 |
| FGB | F G Brown | 18 | 2419043.000000 6 Jan 1911 12:00:00.000000 | 2419512.000000 19 Apr 1912 12:00:00.000000 | 13.300 | 7.440 |
| BH | C F Butterworth | 1,542 | 2419368.000000 27 Nov 1911 12:00:00.000000 | 2430077.300000 23 Mar 1941 19:12:00.000000 | 13.500 | 5.970 |
| HTH | H Thomson | 97 | 2419838.000000 11 Mar 1913 12:00:00.000000 | 2422449.000000 4 May 1920 12:00:00.000000 | 13.000 | 6.370 |
| CHX | E K Church | 30 | 2420165.000000 1 Feb 1914 12:00:00.000000 | 2421339.000000 20 Apr 1917 12:00:00.000000 | 13.400 | 9.020 |
| ADX | H B Adames | 18 | 2420515.000000 17 Jan 1915 12:00:00.000000 | 2420956.000000 2 Apr 1916 12:00:00.000000 | 12.240 | 8.160 |
| GA | W T Gayfer | 45 | 2420544.000000 15 Feb 1915 12:00:00.000000 | 2434489.400000 21 Apr 1953 21:36:00.000000 | 12.030 | 6.570 |
| BG | J H Bridger | 343 | 2420947.000000 24 Mar 1916 12:00:00.000000 | 2428948.300000 18 Feb 1938 19:12:00.000000 | 12.900 | 6.070 |
| WO | H Whichello | 43 | 2421202.000000 4 Dec 1916 12:00:00.000000 | 2424261.000000 20 Apr 1925 12:00:00.000000 | 12.700 | 7.430 |
| CO | E H Collinson | 136 | 2422647.000000 18 Nov 1920 12:00:00.000000 | 2433632.500000 17 Dec 1950 00:00:00.000000 | 13.000 | 6.470 |
| CA | R G Chandra | 222 | 2422691.000000 1 Jan 1921 12:00:00.000000 | 2429617.500000 20 Dec 1939 00:00:00.000000 | 13.300 | 5.970 |
| WI | J W Wilson | 43 | 2422697.000000 7 Jan 1921 12:00:00.000000 | 2423903.000000 27 Apr 1924 12:00:00.000000 | 11.830 | 6.170 |
| GRH | H R Grimwood | 7 | 2422754.000000 5 Mar 1921 12:00:00.000000 | 2423528.000000 18 Apr 1923 12:00:00.000000 | 11.990 | 8.870 |
| LI | W M Lindley | 238 | 2423046.000000 22 Dec 1921 12:00:00.000000 | 2429321.500000 27 Feb 1939 00:00:00.000000 | 13.300 | 6.120 |
| WFH | W F H Waterfield | 68 | 2423294.000000 27 Aug 1922 12:00:00.000000 | 2424648.000000 12 May 1926 12:00:00.000000 | 13.000 | 6.470 |
| PRE | E Prentice | 8 | 2423413.000000 24 Dec 1922 12:00:00.000000 | 2423545.000000 5 May 1923 12:00:00.000000 | 11.990 | 7.420 |
| RY | P M Ryves | 42 | 2423677.000000 14 Sep 1923 12:00:00.000000 | 2424481.000000 26 Nov 1925 12:00:00.000000 | 11.750 | 6.660 |
| SV | W H Steavenson | 45 | 2424481.000000 26 Nov 1925 12:00:00.000000 | 2426999.000000 18 Oct 1932 12:00:00.000000 | 12.280 | 6.840 |
| MOX | A J Morrison | 79 | 2424497.000000 12 Dec 1925 12:00:00.000000 | 2425345.000000 8 Apr 1928 12:00:00.000000 | 10.770 | 6.490 |
| HL | F M Holborn | 600 | 2424825.000000 5 Nov 1926 12:00:00.000000 | 2437364.300000 5 Mar 1961 19:12:00.000000 | 13.600 | 6.340 |
| CB | H Cobb | 113 | 2425287.000000 10 Feb 1928 12:00:00.000000 | 2429374.500000 21 Apr 1939 00:00:00.000000 | 11.460 | 6.950 |
| LH | A W Lane-Hall | 89 | 2425559.000000 8 Nov 1928 12:00:00.000000 | 2427515.000000 18 Mar 1934 12:00:00.000000 | 13.150 | 6.340 |
| AY | F Addey | 41 | 2425646.000000 3 Feb 1929 12:00:00.000000 | 2431945.400000 4 May 1946 21:36:00.000000 | 10.470 | 6.560 |
| HA | G P B Hallowes | 3 | 2425707.000000 5 Apr 1929 12:00:00.000000 | 2425722.000000 20 Apr 1929 12:00:00.000000 | 10.280 | 10.120 |
| SA | F Sargent | 101 | 2426362.000000 20 Jan 1931 12:00:00.000000 | 2429236.500000 4 Dec 1938 00:00:00.000000 | 11.600 | 5.770 |
| RB | J H Robinson | 286 | 2426738.000000 31 Jan 1932 12:00:00.000000 | 2441772.400000 30 Mar 1973 21:36:00.000000 | 14.300 | 6.560 |
| HS | P J Harris | 30 | 2427153.000000 21 Mar 1933 12:00:00.000000 | 2428533.500000 31 Dec 1936 00:00:00.000000 | 9.000 | 6.920 |
| AA | C J M Aanensen | 28 | 2427806.400000 3 Jan 1935 21:36:00.000000 | 2428274.400000 15 Apr 1936 21:36:00.000000 | 12.440 | 6.660 |
| CS | J P M Cables | 12 | 2427813.400000 10 Jan 1935 21:36:00.000000 | 2428252.300000 24 Mar 1936 19:12:00.000000 | 9.000 | 6.700 |
| GF | P Greenfield | 19 | 2427815.300000 12 Jan 1935 19:12:00.000000 | 2431456.300000 31 Dec 1944 19:12:00.000000 | 9.850 | 6.730 |
| HV | P Harvey | 92 | 2427869.500000 8 Mar 1935 00:00:00.000000 | 2429763.500000 14 May 1940 00:00:00.000000 | 12.080 | 6.840 |
| PA | G E Patston | 9 | 2428222.500000 24 Feb 1936 00:00:00.000000 | 2428857.500000 20 Nov 1937 00:00:00.000000 | 9.000 | 7.440 |
| BZ | J R Bazin | 266 | 2428483.500000 11 Nov 1936 00:00:00.000000 | 2434055.300000 12 Feb 1952 19:12:00.000000 | 12.420 | 6.060 |
| KT | N F H Knight | 147 | 2428507.500000 5 Dec 1936 00:00:00.000000 | 2432186.500000 1 Jan 1947 00:00:00.000000 | 13.600 | 6.220 |
| WL | H Wildey | 174 | 2428574.400000 9 Feb 1937 21:36:00.000000 | 2432651.400000 9 Apr 1948 21:36:00.000000 | 13.700 | 5.900 |
| CX | H W Cox | 111 | 2428906.500000 8 Jan 1938 00:00:00.000000 | 2432183.300000 28 Dec 1946 19:12:00.000000 | 13.300 | 6.560 |
| CZ | L A Cox | 22 | 2428906.500000 8 Jan 1938 00:00:00.000000 | 2429263.400000 30 Dec 1938 21:36:00.000000 | 13.300 | 6.560 |
| HE | A Heath | 55 | 2431436.500000 12 Dec 1944 00:00:00.000000 | 2432186.500000 1 Jan 1947 00:00:00.000000 | 11.990 | 6.460 |
| PD | C A Padgham | 10 | 2431845.400000 24 Jan 1946 21:36:00.000000 | 2432679.400000 7 May 1948 21:36:00.000000 | 9.520 | 7.540 |
| QW | P F Waldron | 12 | 2431911.400000 31 Mar 1946 21:36:00.000000 | 2437729.400000 5 Mar 1962 21:36:00.000000 | 9.840 | 6.940 |
| FR | J Friends | 22 | 2434027.300000 15 Jan 1952 19:12:00.000000 | 2437968.500000 31 Oct 1962 00:00:00.000000 | 11.510 | 6.400 |
| GR | R F Griffin | 79 | 2434481.400000 13 Apr 1953 21:36:00.000000 | 2435751.500000 5 Oct 1956 00:00:00.000000 | 12.700 | 6.470 |
| AT | L W R W Atcherley | 4 | 2434481.400000 13 Apr 1953 21:36:00.000000 | 2434502.400000 4 May 1953 21:36:00.000000 | 7.820 | 6.960 |
| ST | G E B Stephenson | 12 | 2434489.400000 21 Apr 1953 21:36:00.000000 | 2434859.400000 26 Apr 1954 21:36:00.000000 | 7.820 | 7.100 |
| MU | C R Munford | 227 | 2435077.500000 1 Dec 1954 00:00:00.000000 | 2442404.400000 22 Dec 1974 21:36:00.000000 | 13.150 | 6.470 |
| CL | R D Campbell | 4 | 2435918.500000 21 Mar 1957 00:00:00.000000 | 2435952.500000 24 Apr 1957 00:00:00.000000 | 7.150 | 6.750 |
| AN | R G Andrews | 3 | 2436603.500000 4 Feb 1959 00:00:00.000000 | 2436867.500000 26 Oct 1959 00:00:00.000000 | 13.200 | 8.740 |
| SF | R C I Shinkfield | 44 | 2437361.000000 2 Mar 1961 12:00:00.000000 | 2438878.900000 28 Apr 1965 09:36:00.000000 | 12.690 | 6.260 |
| CT | B A Carter | 177 | 2437382.500000 24 Mar 1961 00:00:00.000000 | 2440571.500000 16 Dec 1969 00:00:00.000000 | 13.800 | 6.340 |
| LV | R J Livesey | 428 | 2437987.400000 18 Nov 1962 21:36:00.000000 | 2457499.382000 20 Apr 2016 21:10:04.800000 | 13.000 | 6.300 |
| LO | R S Lomas | 109 | 2438412.500000 18 Jan 1964 00:00:00.000000 | 2440184.700000 24 Nov 1968 04:48:00.000000 | 12.700 | 6.740 |
| IS | J E Isles | 5 | 2438827.400000 7 Mar 1965 21:36:00.000000 | 2438870.400000 19 Apr 1965 21:36:00.000000 | 7.900 | 6.740 |
| GD | M J Gainsford | 178 | 2439439.500000 10 Nov 1966 00:00:00.000000 | 2442101.400000 22 Feb 1974 21:36:00.000000 | 13.900 | 6.590 |
| CY | J V Carey | 10 | 2439439.700000 10 Nov 1966 04:48:00.000000 | 2439619.400000 8 May 1967 21:36:00.000000 | 13.300 | 6.830 |
| HI | G P Hawkins | 77 | 2439889.400000 2 Feb 1968 21:36:00.000000 | 2442047.400000 30 Dec 1973 21:36:00.000000 | 13.900 | 6.720 |
| KX | O J Knox | 169 | 2439910.300000 23 Feb 1968 19:12:00.000000 | 2442404.700000 23 Dec 1974 04:48:00.000000 | 13.900 | 6.640 |
| PC | C Pezzarossa | 14 | 2441734.400000 20 Feb 1973 21:36:00.000000 | 2441822.300000 19 May 1973 19:12:00.000000 | 12.340 | 7.290 |
| HH | I D Howarth | 3 | 2441814.500000 12 May 1973 00:00:00.000000 | 2441992.600000 6 Nov 1973 02:24:00.000000 | 10.600 | 8.120 |
| PO | A K Porter | 11 | 2441976.700000 21 Oct 1973 04:48:00.000000 | 2442398.600000 17 Dec 1974 02:24:00.000000 | 13.300 | 7.610 |
| PT | R A H Paterson | 17 | 2442003.500000 17 Nov 1973 00:00:00.000000 | 2442163.400000 25 Apr 1974 21:36:00.000000 | 13.400 | 8.640 |
| MY | A Maudsley | 15 | 2442011.600000 25 Nov 1973 02:24:00.000000 | 2442368.600000 17 Nov 1974 02:24:00.000000 | 12.700 | 7.330 |
| BP | J A Bailey | 2 | 2442033.500000 17 Dec 1973 00:00:00.000000 | 2442047.500000 31 Dec 1973 00:00:00.000000 | 12.700 | 12.340 |
| WS | E J W West | 1 | 2442073.400000 25 Jan 1974 21:36:00.000000 | 2442073.400000 25 Jan 1974 21:36:00.000000 | 13.100 | 13.100 |
| IH | G Hirst | 3 | 2442092.400000 13 Feb 1974 21:36:00.000000 | 2442102.400000 23 Feb 1974 21:36:00.000000 | 13.000 | 12.080 |
| SK | J D Shanklin | 10 | 2445621.615200 14 Oct 1983 02:45:53.280000 | 2446876.353400 21 Mar 1987 20:28:53.760000 | 13.500 | 7.150 |
| ARB | A R Baransky | 28 | 2450013.500000 23 Oct 1995 00:00:00.000000 | 2450866.400000 21 Feb 1998 21:36:00.000000 | 9.200 | 7.000 |
| VP | P Veleshchuk | 12 | 2450457.400000 8 Jan 1997 21:36:00.000000 | 2450749.600000 28 Oct 1997 02:24:00.000000 | 9.400 | 7.400 |
| RJB | R J Bouma | 2 | 2451583.400000 8 Feb 2000 21:36:00.000000 | 2451597.300000 22 Feb 2000 19:12:00.000000 | 9.900 | 9.400 |
| BHG | B H Granslo | 1 | 2451797.600000 10 Sep 2000 02:24:00.000000 | 2451797.600000 10 Sep 2000 02:24:00.000000 | 8.900 | 8.900 |
| -SK | G Stefanopoulos | 2 | 2452594.511800 16 Nov 2002 00:16:59.520000 | 2454097.420100 27 Dec 2006 22:04:56.640000 | 7.800 | 7.000 |
| COR | H Corder | 5 | 2412940.500000 22 Apr 1894 00:00:00.000000 | 2413298.500000 15 Apr 1895 00:00:00.000000 | 13.000 | 9.000 |
| QM | T Markham | 64 | 2446305.608000 28 Aug 1985 02:35:31.200000 | 2457484.378000 5 Apr 2016 21:04:19.200000 | 9.100 | 6.600 |
| AX | C M Allen | 15 | 2454493.343800 27 Jan 2008 20:15:04.320000 | 2455840.301400 5 Oct 2011 19:14:00.960000 | 11.100 | 7.600 |
| RAF | R Braga | 1 | 2455207.395100 10 Jan 2010 21:28:56.640000 | 2455207.395100 10 Jan 2010 21:28:56.640000 | 7.100 | 7.100 |
| DSC | D Scanlan | 1 | 2456015.417000 28 Mar 2012 22:00:28.800000 | 2456015.417000 28 Mar 2012 22:00:28.800000 | 12.900 | 12.900 |
| TLH | T L Heywood | 12 | 2457774.281000 20 Jan 2017 18:44:38.400000 | 2458198.340000 20 Mar 2018 20:09:36.000000 | 8.800 | 6.400 |
| AG | S W Albrighton | 93 | 2458099.517000 12 Dec 2017 00:24:28.800000 | 2460429.382000 28 Apr 2024 21:10:04.800000 | 13.300 | 6.500 |
| GPF | G Fleming | 36 | 2458871.312340 22 Jan 2020 19:29:46.176000 | 2460327.499820 17 Jan 2024 23:59:44.448000 | 11.520 | 7.397 |
| IWT | I L Walton | 20 | 2459587.389530 7 Jan 2022 21:20:55.392000 | 2460320.426490 10 Jan 2024 22:14:08.736000 | 12.321 | 11.689 |
| KGY | K Gurney | 2 | 2459662.346690 23 Mar 2022 20:19:14.016000 | 2459665.359250 26 Mar 2022 20:37:19.200000 | 7.545 | 7.516 |