Supporting amateur astronomers since 1890
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British Astronomical Association Supporting amateur astronomers since 1890 |
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| Total observations: | 9,940 | Minimum magnitude: | 13.030 | Maximum magnitude: | 5.970 | ||
| First observation: | JD 2400508.500000 | \ | 8 Apr 1860 00:00:00.000000 UT | Latest observation: | JD 2460538.412500 | \ | 15 Aug 2024 21:54:00.000000 UT |
| Observation Method | Number of Observations |
|---|---|
| Visual | 9,865 |
| CCD | 33 |
| DSLR | 42 |
| Observer Id | Observer Name | Number of Observations | First Observation JD / UT | Latest Observation JD / UT | Minimum Magnitude | Maximum Magnitude |
|---|---|---|---|---|---|---|
| MK | E E Markwick | 223 | 2411793.500000 2 Mar 1891 00:00:00.000000 | 2424016.000000 18 Aug 1924 12:00:00.000000 | 12.650 | 6.800 |
| ORR | M A Orr | 11 | 2415433.000000 17 Feb 1901 12:00:00.000000 | 2416577.000000 6 Apr 1904 12:00:00.000000 | 8.400 | 6.700 |
| KEX | J Kelly | 9 | 2415456.000000 12 Mar 1901 12:00:00.000000 | 2415491.000000 16 Apr 1901 12:00:00.000000 | 7.050 | 6.360 |
| CHJ | J W L Child | 19 | 2415469.000000 25 Mar 1901 12:00:00.000000 | 2415525.000000 20 May 1901 12:00:00.000000 | 9.980 | 6.480 |
| RY | P M Ryves | 257 | 2417215.000000 4 Jan 1906 12:00:00.000000 | 2424510.000000 25 Dec 1925 12:00:00.000000 | 12.830 | 6.500 |
| BN | A N Brown | 977 | 2417299.000000 29 Mar 1906 12:00:00.000000 | 2427723.000000 12 Oct 1934 12:00:00.000000 | 12.730 | 6.600 |
| GDX | J A Greenwood | 11 | 2417703.000000 7 May 1907 12:00:00.000000 | 2419518.000000 25 Apr 1912 12:00:00.000000 | 12.400 | 7.200 |
| D | F De Roy | 631 | 2418024.000000 23 Mar 1908 12:00:00.000000 | 2427785.000000 13 Dec 1934 12:00:00.000000 | 12.930 | 6.400 |
| FGB | F G Brown | 20 | 2419181.000000 24 May 1911 12:00:00.000000 | 2419560.000000 6 Jun 1912 12:00:00.000000 | 11.860 | 6.900 |
| CRX | F R Cripps | 3 | 2419243.000000 25 Jul 1911 12:00:00.000000 | 2419306.000000 26 Sep 1911 12:00:00.000000 | 9.240 | 8.040 |
| BH | C F Butterworth | 1,968 | 2419468.000000 6 Mar 1912 12:00:00.000000 | 2430083.400000 29 Mar 1941 21:36:00.000000 | 12.800 | 6.360 |
| GBL | G B Lacchini | 113 | 2419473.000000 11 Mar 1912 12:00:00.000000 | 2421557.000000 24 Nov 1917 12:00:00.000000 | 12.580 | 6.500 |
| BL | J Van Der Bilt | 412 | 2419594.000000 10 Jul 1912 12:00:00.000000 | 2428445.500000 4 Oct 1936 00:00:00.000000 | 12.900 | 6.100 |
| GI | N V Ginori | 12 | 2419808.000000 9 Feb 1913 12:00:00.000000 | 2422199.000000 28 Aug 1919 12:00:00.000000 | 12.630 | 7.320 |
| BO | J J Bougon | 105 | 2419914.000000 26 May 1913 12:00:00.000000 | 2423294.000000 27 Aug 1922 12:00:00.000000 | 12.730 | 6.450 |
| GA | W T Gayfer | 55 | 2420210.000000 18 Mar 1914 12:00:00.000000 | 2434629.300000 8 Sep 1953 19:12:00.000000 | 12.230 | 6.900 |
| BCX | A B Burbeck | 14 | 2420228.000000 5 Apr 1914 12:00:00.000000 | 2420985.000000 1 May 1916 12:00:00.000000 | 10.580 | 6.900 |
| BC | C L Brook | 1 | 2420298.000000 14 Jun 1914 12:00:00.000000 | 2420298.000000 14 Jun 1914 12:00:00.000000 | 11.560 | 11.560 |
| CA | R G Chandra | 170 | 2422753.000000 4 Mar 1921 12:00:00.000000 | 2429621.700000 24 Dec 1939 04:48:00.000000 | 12.550 | 6.800 |
| MSX | A A Miles | 4 | 2422787.000000 7 Apr 1921 12:00:00.000000 | 2422808.000000 28 Apr 1921 12:00:00.000000 | 8.440 | 7.670 |
| LI | W M Lindley | 155 | 2423345.000000 17 Oct 1922 12:00:00.000000 | 2432388.400000 21 Jul 1947 21:36:00.000000 | 12.630 | 6.560 |
| MOX | A J Morrison | 20 | 2424579.000000 4 Mar 1926 12:00:00.000000 | 2425333.000000 27 Mar 1928 12:00:00.000000 | 9.640 | 8.040 |
| LA | C H Laver | 14 | 2424585.000000 10 Mar 1926 12:00:00.000000 | 2424783.000000 24 Sep 1926 12:00:00.000000 | 12.600 | 8.440 |
| WFH | W F H Waterfield | 5 | 2424675.000000 8 Jun 1926 12:00:00.000000 | 2424704.000000 7 Jul 1926 12:00:00.000000 | 12.360 | 10.720 |
| HL | F M Holborn | 964 | 2424718.000000 21 Jul 1926 12:00:00.000000 | 2437017.400000 23 Mar 1960 21:36:00.000000 | 12.960 | 6.600 |
| TH | A D Thackeray | 145 | 2424997.000000 26 Apr 1927 12:00:00.000000 | 2426884.000000 25 Jun 1932 12:00:00.000000 | 12.600 | 6.650 |
| HA | G P B Hallowes | 88 | 2425002.000000 1 May 1927 12:00:00.000000 | 2426625.000000 10 Oct 1931 12:00:00.000000 | 12.180 | 6.360 |
| CB | H Cobb | 99 | 2425471.000000 12 Aug 1928 12:00:00.000000 | 2429493.400000 17 Aug 1939 21:36:00.000000 | 12.220 | 6.900 |
| LH | A W Lane-Hall | 100 | 2425767.000000 4 Jun 1929 12:00:00.000000 | 2427515.000000 18 Mar 1934 12:00:00.000000 | 12.500 | 6.700 |
| CS | J P M Cables | 16 | 2427513.000000 16 Mar 1934 12:00:00.000000 | 2427962.500000 9 Jun 1935 00:00:00.000000 | 11.570 | 7.180 |
| WR | M L Webber | 6 | 2427625.000000 6 Jul 1934 12:00:00.000000 | 2427693.000000 12 Sep 1934 12:00:00.000000 | 12.400 | 11.280 |
| HV | P Harvey | 99 | 2427944.500000 22 May 1935 00:00:00.000000 | 2429876.400000 3 Sep 1940 21:36:00.000000 | 12.230 | 7.100 |
| JHJ | J H J Burtt | 5 | 2427975.500000 22 Jun 1935 00:00:00.000000 | 2428025.500000 11 Aug 1935 00:00:00.000000 | 8.440 | 7.930 |
| PA | G E Patston | 35 | 2428307.500000 19 May 1936 00:00:00.000000 | 2429762.400000 12 May 1940 21:36:00.000000 | 12.700 | 6.900 |
| KT | N F H Knight | 45 | 2428627.400000 3 Apr 1937 21:36:00.000000 | 2432180.700000 26 Dec 1946 04:48:00.000000 | 12.400 | 6.900 |
| BZ | J R Bazin | 243 | 2428636.400000 12 Apr 1937 21:36:00.000000 | 2434098.400000 26 Mar 1952 21:36:00.000000 | 12.500 | 5.970 |
| GW | W Green | 4 | 2429776.400000 26 May 1940 21:36:00.000000 | 2429846.500000 5 Aug 1940 00:00:00.000000 | 10.500 | 6.900 |
| CX | H W Cox | 53 | 2431848.500000 28 Jan 1946 00:00:00.000000 | 2432101.300000 7 Oct 1946 19:12:00.000000 | 12.400 | 6.630 |
| AT | L W R W Atcherley | 3 | 2434500.400000 2 May 1953 21:36:00.000000 | 2434507.400000 9 May 1953 21:36:00.000000 | 8.740 | 8.640 |
| ST | G E B Stephenson | 3 | 2434501.400000 3 May 1953 21:36:00.000000 | 2434510.400000 12 May 1953 21:36:00.000000 | 8.800 | 8.500 |
| MU | C R Munford | 223 | 2436627.500000 28 Feb 1959 00:00:00.000000 | 2442219.500000 21 Jun 1974 00:00:00.000000 | 12.930 | 6.420 |
| CN | P J Conely | 10 | 2436942.700000 9 Jan 1960 04:48:00.000000 | 2437163.400000 16 Aug 1960 21:36:00.000000 | 12.030 | 7.520 |
| FE | E S Farr | 9 | 2437106.400000 20 Jun 1960 21:36:00.000000 | 2437779.500000 25 Apr 1962 00:00:00.000000 | 9.410 | 7.340 |
| LG | V W Littlejohn | 13 | 2437349.500000 19 Feb 1961 00:00:00.000000 | 2438264.400000 22 Aug 1963 21:36:00.000000 | 11.640 | 7.530 |
| MC | D G Mccartan | 22 | 2437385.400000 26 Mar 1961 21:36:00.000000 | 2438858.400000 7 Apr 1965 21:36:00.000000 | 12.420 | 7.160 |
| HR | B S Harraway | 3 | 2437550.400000 7 Sep 1961 21:36:00.000000 | 2437587.300000 14 Oct 1961 19:12:00.000000 | 8.770 | 6.900 |
| LX | J Leach | 3 | 2437568.300000 25 Sep 1961 19:12:00.000000 | 2437852.500000 7 Jul 1962 00:00:00.000000 | 8.540 | 8.030 |
| CU | R F Churchhouse | 5 | 2437574.300000 1 Oct 1961 19:12:00.000000 | 2437875.500000 30 Jul 1962 00:00:00.000000 | 9.810 | 7.360 |
| FR | J Friends | 11 | 2437852.500000 7 Jul 1962 00:00:00.000000 | 2439361.500000 24 Aug 1966 00:00:00.000000 | 9.720 | 7.200 |
| ME | J Meeus | 2 | 2437868.400000 22 Jul 1962 21:36:00.000000 | 2437870.400000 24 Jul 1962 21:36:00.000000 | 9.020 | 9.000 |
| LV | R J Livesey | 124 | 2438080.400000 19 Feb 1963 21:36:00.000000 | 2441890.400000 26 Jul 1973 21:36:00.000000 | 12.400 | 6.700 |
| FH | J I M Forsyth | 5 | 2438168.400000 18 May 1963 21:36:00.000000 | 2438530.400000 14 May 1964 21:36:00.000000 | 12.400 | 6.900 |
| CT | B A Carter | 126 | 2438203.500000 23 Jun 1963 00:00:00.000000 | 2440550.800000 25 Nov 1969 07:12:00.000000 | 12.400 | 6.900 |
| LO | R S Lomas | 151 | 2438236.500000 26 Jul 1963 00:00:00.000000 | 2440219.800000 29 Dec 1968 07:12:00.000000 | 12.400 | 6.900 |
| CH | R H Chambers | 7 | 2438516.500000 1 May 1964 00:00:00.000000 | 2441917.400000 22 Aug 1973 21:36:00.000000 | 12.180 | 7.540 |
| EJ | J W L Ells | 2 | 2438517.500000 2 May 1964 00:00:00.000000 | 2438530.400000 14 May 1964 21:36:00.000000 | 8.340 | 7.440 |
| KX | O J Knox | 422 | 2439240.500000 25 Apr 1966 00:00:00.000000 | 2442394.700000 13 Dec 1974 04:48:00.000000 | 13.030 | 6.530 |
| VK | E Vilkki | 17 | 2439253.400000 7 May 1966 21:36:00.000000 | 2439707.400000 4 Aug 1967 21:36:00.000000 | 11.960 | 8.270 |
| SW | D R B Saw | 322 | 2439292.500000 16 Jun 1966 00:00:00.000000 | 2441957.300000 1 Oct 1973 19:12:00.000000 | 12.930 | 6.560 |
| NO | D J Northwood | 21 | 2439343.400000 5 Aug 1966 21:36:00.000000 | 2440087.400000 18 Aug 1968 21:36:00.000000 | 10.870 | 6.900 |
| GD | M J Gainsford | 171 | 2439602.500000 22 Apr 1967 00:00:00.000000 | 2441926.400000 31 Aug 1973 21:36:00.000000 | 12.830 | 6.550 |
| PI | R D Pickard | 34 | 2440080.400000 11 Aug 1968 21:36:00.000000 | 2441937.300000 11 Sep 1973 19:12:00.000000 | 12.180 | 6.680 |
| SS | H W S Smith | 16 | 2440759.400000 21 Jun 1970 21:36:00.000000 | 2441905.500000 11 Aug 1973 00:00:00.000000 | 11.430 | 7.170 |
| HH | I D Howarth | 7 | 2441164.400000 31 Jul 1971 21:36:00.000000 | 2441895.500000 1 Aug 1973 00:00:00.000000 | 11.600 | 7.000 |
| IS | J E Isles | 2 | 2441180.400000 16 Aug 1971 21:36:00.000000 | 2441404.500000 28 Mar 1972 00:00:00.000000 | 7.930 | 6.760 |
| DU | S R Dunlop | 1 | 2441778.500000 6 Apr 1973 00:00:00.000000 | 2441778.500000 6 Apr 1973 00:00:00.000000 | 11.800 | 11.800 |
| SL | A M Savill | 1 | 2441853.500000 20 Jun 1973 00:00:00.000000 | 2441853.500000 20 Jun 1973 00:00:00.000000 | 7.840 | 7.840 |
| WS | E J W West | 16 | 2448741.361100 28 Apr 1992 20:39:59.040000 | 2449167.426300 28 Jun 1993 22:13:52.320000 | 12.800 | 7.300 |
| RJB | R J Bouma | 42 | 2450249.400000 14 Jun 1996 21:36:00.000000 | 2451824.300000 6 Oct 2000 19:12:00.000000 | 13.000 | 7.100 |
| AKG | K G Andersson | 14 | 2450301.413000 5 Aug 1996 21:54:43.200000 | 2450896.378000 23 Mar 1998 21:04:19.200000 | 12.100 | 7.100 |
| VP | P Veleshchuk | 26 | 2450515.600000 8 Mar 1997 02:24:00.000000 | 2450630.400000 30 Jun 1997 21:36:00.000000 | 10.000 | 7.300 |
| ARB | A R Baransky | 2 | 2450540.400000 1 Apr 1997 21:36:00.000000 | 2450683.300000 22 Aug 1997 19:12:00.000000 | 12.300 | 9.000 |
| BHG | B H Granslo | 34 | 2450560.550000 22 Apr 1997 01:12:00.000000 | 2451895.690000 17 Dec 2000 04:33:36.000000 | 12.200 | 7.100 |
| TUB | V Tuboly | 3 | 2450870.420100 25 Feb 1998 22:04:56.640000 | 2450935.388900 1 May 1998 21:20:00.960000 | 11.600 | 10.700 |
| TJ | J Toone | 375 | 2444286.734000 17 Feb 1980 05:36:57.600000 | 2460464.492000 2 Jun 2024 23:48:28.800000 | 10.000 | 6.700 |
| PJC | P J Charleton | 3 | 2451671.457600 6 May 2000 22:58:56.640000 | 2451957.511800 17 Feb 2001 00:16:59.520000 | 9.100 | 7.300 |
| FAD | M Fadda | 2 | 2451677.342300 12 May 2000 20:12:54.720000 | 2451694.352000 29 May 2000 20:26:52.800000 | 7.960 | 7.890 |
| -SK | G Stefanopoulos | 22 | 2452133.373600 11 Aug 2001 20:57:59.040000 | 2456830.399000 21 Jun 2014 21:34:33.600000 | 10.900 | 6.800 |
| AX | C M Allen | 2 | 2453937.411800 20 Jul 2006 21:52:59.520000 | 2453941.430600 24 Jul 2006 22:20:03.840000 | 7.900 | 7.700 |
| QM | T Markham | 126 | 2443874.573000 1 Jan 1979 01:45:07.200000 | 2457546.517000 7 Jun 2016 00:24:28.800000 | 9.900 | 6.500 |
| BCP | C D Beech | 18 | 2454952.415300 30 Apr 2009 21:58:01.920000 | 2457849.430620 5 Apr 2017 22:20:05.568000 | 12.384 | 9.000 |
| BAX | J Baxendell | 215 | 2400508.500000 8 Apr 1860 00:00:00.000000 | 2410087.500000 30 Jun 1886 00:00:00.000000 | 12.600 | 7.300 |
| TLH | T L Heywood | 46 | 2457716.740000 24 Nov 2016 05:45:36.000000 | 2460191.365000 3 Sep 2023 20:45:36.000000 | 9.100 | 6.800 |
| DMS | D Matthews | 42 | 2457878.501390 5 May 2017 00:02:00.096000 | 2460538.412500 15 Aug 2024 21:54:00.000000 | 12.800 | 9.270 |
| AG | S W Albrighton | 84 | 2458166.479000 16 Feb 2018 23:29:45.600000 | 2460449.427000 18 May 2024 22:14:52.800000 | 12.500 | 6.900 |
| GPF | G Fleming | 15 | 2458593.398700 19 Apr 2019 21:34:07.680000 | 2459320.378910 15 Apr 2021 21:05:37.824000 | 11.945 | 6.936 |
| RPE | R Pearce | 6 | 2460085.434000 20 May 2023 22:24:57.600000 | 2460529.409000 6 Aug 2024 21:48:57.600000 | 12.800 | 9.600 |