Supporting amateur astronomers since 1890
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British Astronomical Association Supporting amateur astronomers since 1890 |
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| Total observations: | 5,391 | Minimum magnitude: | 10.230 | Maximum magnitude: | 3.580 | ||
| First observation: | JD 2411853.500000 | \ | 1 May 1891 00:00:00.000000 UT | Latest observation: | JD 2460525.493000 | \ | 2 Aug 2024 23:49:55.200000 UT |
| Observation Method | Number of Observations |
|---|---|
| Visual | 5,391 |
| Observer Id | Observer Name | Number of Observations | First Observation JD / UT | Latest Observation JD / UT | Minimum Magnitude | Maximum Magnitude |
|---|---|---|---|---|---|---|
| MK | E E Markwick | 49 | 2411853.500000 1 May 1891 00:00:00.000000 | 2423932.000000 26 May 1924 12:00:00.000000 | 9.800 | 4.320 |
| COR | H Corder | 14 | 2412843.500000 15 Jan 1894 00:00:00.000000 | 2416635.000000 3 Jun 1904 12:00:00.000000 | 8.000 | 4.500 |
| ORR | M A Orr | 1 | 2416195.000000 21 Mar 1903 12:00:00.000000 | 2416195.000000 21 Mar 1903 12:00:00.000000 | 5.080 | 5.080 |
| RY | P M Ryves | 47 | 2417546.000000 1 Dec 1906 12:00:00.000000 | 2424230.000000 20 Mar 1925 12:00:00.000000 | 9.700 | 4.970 |
| BN | A N Brown | 150 | 2417683.000000 17 Apr 1907 12:00:00.000000 | 2427207.000000 14 May 1933 12:00:00.000000 | 9.900 | 4.220 |
| GDX | J A Greenwood | 3 | 2417696.000000 30 Apr 1907 12:00:00.000000 | 2418063.000000 1 May 1908 12:00:00.000000 | 7.760 | 7.520 |
| MGX | S Manning | 26 | 2418054.000000 22 Apr 1908 12:00:00.000000 | 2418575.000000 25 Sep 1909 12:00:00.000000 | 9.260 | 3.610 |
| D | F De Roy | 90 | 2418411.000000 14 Apr 1909 12:00:00.000000 | 2427546.000000 18 Apr 1934 12:00:00.000000 | 9.600 | 3.660 |
| WLX | W M Worsell | 24 | 2418822.000000 30 May 1910 12:00:00.000000 | 2419154.000000 27 Apr 1911 12:00:00.000000 | 9.400 | 6.630 |
| GOX | A W Goatcher | 43 | 2419056.000000 19 Jan 1911 12:00:00.000000 | 2419955.000000 6 Jul 1913 12:00:00.000000 | 9.730 | 4.700 |
| GI | N V Ginori | 58 | 2419064.000000 27 Jan 1911 12:00:00.000000 | 2423541.000000 1 May 1923 12:00:00.000000 | 9.550 | 4.400 |
| BDX | J T Bird | 12 | 2419260.000000 11 Aug 1911 12:00:00.000000 | 2419303.000000 23 Sep 1911 12:00:00.000000 | 8.080 | 7.030 |
| DWX | C J Westland | 161 | 2419397.000000 26 Dec 1911 12:00:00.000000 | 2422577.000000 9 Sep 1920 12:00:00.000000 | 9.620 | 4.280 |
| GBL | G B Lacchini | 126 | 2419473.000000 11 Mar 1912 12:00:00.000000 | 2421802.000000 27 Jul 1918 12:00:00.000000 | 9.920 | 4.410 |
| BCX | A B Burbeck | 10 | 2420203.000000 11 Mar 1914 12:00:00.000000 | 2420682.000000 3 Jul 1915 12:00:00.000000 | 7.420 | 4.020 |
| BC | C L Brook | 5 | 2420249.000000 26 Apr 1914 12:00:00.000000 | 2420648.000000 30 May 1915 12:00:00.000000 | 5.080 | 4.590 |
| GA | W T Gayfer | 24 | 2420257.000000 4 May 1914 12:00:00.000000 | 2434536.400000 7 Jun 1953 21:36:00.000000 | 10.180 | 4.480 |
| SKX | J F Skjellerup | 127 | 2420925.000000 2 Mar 1916 12:00:00.000000 | 2422951.000000 18 Sep 1921 12:00:00.000000 | 10.120 | 4.320 |
| GLX | O A Glastonbury | 210 | 2422347.000000 23 Jan 1920 12:00:00.000000 | 2425858.000000 3 Sep 1929 12:00:00.000000 | 9.520 | 3.580 |
| BH | C F Butterworth | 553 | 2422637.000000 8 Nov 1920 12:00:00.000000 | 2429370.400000 16 Apr 1939 21:36:00.000000 | 9.930 | 3.870 |
| CA | R G Chandra | 322 | 2422698.000000 8 Jan 1921 12:00:00.000000 | 2429622.500000 25 Dec 1939 00:00:00.000000 | 10.230 | 4.180 |
| WI | J W Wilson | 11 | 2423164.000000 19 Apr 1922 12:00:00.000000 | 2423914.000000 8 May 1924 12:00:00.000000 | 8.040 | 4.390 |
| CN | P J Conely | 46 | 2423468.000000 17 Feb 1923 12:00:00.000000 | 2424015.000000 17 Aug 1924 12:00:00.000000 | 8.620 | 3.920 |
| WHS | W H Smith | 94 | 2423546.000000 6 May 1923 12:00:00.000000 | 2425828.000000 4 Aug 1929 12:00:00.000000 | 10.120 | 3.770 |
| LI | W M Lindley | 56 | 2424129.000000 9 Dec 1924 12:00:00.000000 | 2433418.400000 16 May 1950 21:36:00.000000 | 9.700 | 3.810 |
| CI | A W G Cousins | 16 | 2424204.000000 22 Feb 1925 12:00:00.000000 | 2424340.000000 8 Jul 1925 12:00:00.000000 | 8.010 | 4.380 |
| MYX | M Moye | 23 | 2424251.000000 10 Apr 1925 12:00:00.000000 | 2424307.000000 5 Jun 1925 12:00:00.000000 | 5.600 | 4.410 |
| BA | M K Bappu | 53 | 2424552.000000 5 Feb 1926 12:00:00.000000 | 2425242.000000 27 Dec 1927 12:00:00.000000 | 9.300 | 4.180 |
| ST | G E B Stephenson | 40 | 2424593.000000 18 Mar 1926 12:00:00.000000 | 2425952.000000 6 Dec 1929 12:00:00.000000 | 9.820 | 4.210 |
| DAX | R Dafter | 16 | 2424940.000000 28 Feb 1927 12:00:00.000000 | 2425123.000000 30 Aug 1927 12:00:00.000000 | 9.260 | 4.400 |
| -BT | FM Bateson | 33 | 2424993.000000 22 Apr 1927 12:00:00.000000 | 2425421.000000 23 Jun 1928 12:00:00.000000 | 9.260 | 4.310 |
| -MI | R A Mcintosh | 1 | 2425249.000000 3 Jan 1928 12:00:00.000000 | 2425249.000000 3 Jan 1928 12:00:00.000000 | 7.620 | 7.620 |
| GDO | H C Godfrey | 23 | 2425287.000000 10 Feb 1928 12:00:00.000000 | 2425418.000000 20 Jun 1928 12:00:00.000000 | 9.200 | 6.730 |
| CTX | A G Crust | 7 | 2425420.000000 22 Jun 1928 12:00:00.000000 | 2425428.000000 30 Jun 1928 12:00:00.000000 | 7.130 | 5.850 |
| EH | H E Houghton | 131 | 2425661.000000 18 Feb 1929 12:00:00.000000 | 2427803.000000 31 Dec 1934 12:00:00.000000 | 10.120 | 4.170 |
| LH | A W Lane-Hall | 49 | 2425707.000000 5 Apr 1929 12:00:00.000000 | 2427515.000000 18 Mar 1934 12:00:00.000000 | 9.920 | 4.000 |
| SF | R C I Shinkfield | 198 | 2425978.000000 1 Jan 1930 12:00:00.000000 | 2442018.200000 1 Dec 1973 16:48:00.000000 | 9.860 | 3.710 |
| CS | J P M Cables | 13 | 2427513.000000 16 Mar 1934 12:00:00.000000 | 2429598.700000 1 Dec 1939 04:48:00.000000 | 8.840 | 4.930 |
| WR | M L Webber | 19 | 2427565.000000 7 May 1934 12:00:00.000000 | 2427632.000000 13 Jul 1934 12:00:00.000000 | 6.330 | 4.680 |
| XXX | 168 | 2427811.500000 9 Jan 1935 00:00:00.000000 | 2438139.400000 19 Apr 1963 21:36:00.000000 | 10.230 | 3.990 | |
| HL | F M Holborn | 96 | 2428251.500000 24 Mar 1936 00:00:00.000000 | 2436702.400000 13 May 1959 21:36:00.000000 | 9.820 | 4.880 |
| PA | G E Patston | 7 | 2428308.500000 20 May 1936 00:00:00.000000 | 2428693.500000 9 Jun 1937 00:00:00.000000 | 8.490 | 6.230 |
| EN | G E Ensor | 41 | 2428608.800000 16 Mar 1937 07:12:00.000000 | 2429781.700000 1 Jun 1940 04:48:00.000000 | 9.890 | 6.330 |
| WM | C L Williams | 15 | 2428657.200000 3 May 1937 16:48:00.000000 | 2429258.400000 25 Dec 1938 21:36:00.000000 | 10.120 | 5.680 |
| AL | A F O Alexander | 17 | 2429040.500000 22 May 1938 00:00:00.000000 | 2429975.800000 12 Dec 1940 07:12:00.000000 | 9.520 | 4.560 |
| KT | N F H Knight | 43 | 2429234.800000 2 Dec 1938 07:12:00.000000 | 2444586.600000 13 Dec 1980 02:24:00.000000 | 9.520 | 4.880 |
| BZ | J R Bazin | 48 | 2431577.400000 1 May 1945 21:36:00.000000 | 2433830.400000 2 Jul 1951 21:36:00.000000 | 6.150 | 4.170 |
| CO | E H Collinson | 12 | 2431589.400000 13 May 1945 21:36:00.000000 | 2432693.400000 21 May 1948 21:36:00.000000 | 6.430 | 4.880 |
| AN | R G Andrews | 229 | 2431833.800000 13 Jan 1946 07:12:00.000000 | 2438146.400000 26 Apr 1963 21:36:00.000000 | 9.180 | 4.500 |
| HE | A Heath | 10 | 2431905.500000 26 Mar 1946 00:00:00.000000 | 2432180.800000 26 Dec 1946 07:12:00.000000 | 7.380 | 5.080 |
| SH | W L Shepherd | 13 | 2433396.400000 24 Apr 1950 21:36:00.000000 | 2433800.500000 3 Jun 1951 00:00:00.000000 | 6.170 | 4.880 |
| RO | F A Roper | 125 | 2434116.500000 14 Apr 1952 00:00:00.000000 | 2439257.400000 11 May 1966 21:36:00.000000 | 9.520 | 4.680 |
| GR | R F Griffin | 6 | 2434837.500000 5 Apr 1954 00:00:00.000000 | 2435239.400000 11 May 1955 21:36:00.000000 | 8.940 | 8.000 |
| KK | A Kerkham | 22 | 2436700.300000 11 May 1959 19:12:00.000000 | 2437067.400000 12 May 1960 21:36:00.000000 | 9.280 | 7.180 |
| MB | L Muniz Barreto | 27 | 2436704.500000 16 May 1959 00:00:00.000000 | 2437137.500000 22 Jul 1960 00:00:00.000000 | 8.860 | 4.720 |
| CU | R F Churchhouse | 6 | 2437750.500000 27 Mar 1962 00:00:00.000000 | 2438151.400000 1 May 1963 21:36:00.000000 | 5.850 | 4.780 |
| KX | O J Knox | 27 | 2439240.500000 25 Apr 1966 00:00:00.000000 | 2442101.700000 23 Feb 1974 04:48:00.000000 | 8.900 | 4.580 |
| NB | N D Butterworth | 55 | 2439287.500000 11 Jun 1966 00:00:00.000000 | 2440114.400000 14 Sep 1968 21:36:00.000000 | 8.860 | 4.980 |
| RI | M J Ring | 1 | 2440680.500000 4 Apr 1970 00:00:00.000000 | 2440680.500000 4 Apr 1970 00:00:00.000000 | 8.950 | 8.950 |
| SP | G H Spalding | 18 | 2440681.500000 5 Apr 1970 00:00:00.000000 | 2443290.400000 26 May 1977 21:36:00.000000 | 8.950 | 5.010 |
| BS | T Brelstaff | 71 | 2441659.800000 8 Dec 1972 07:12:00.000000 | 2448272.754100 16 Jan 1991 06:05:54.240000 | 8.920 | 4.890 |
| SL | A M Savill | 2 | 2441717.600000 4 Feb 1973 02:24:00.000000 | 2441771.500000 30 Mar 1973 00:00:00.000000 | 7.030 | 5.860 |
| TY | M D Taylor | 89 | 2441766.600000 25 Mar 1973 02:24:00.000000 | 2456410.439000 27 Apr 2013 22:32:09.600000 | 8.400 | 5.140 |
| HY | P W Hornby | 4 | 2441775.500000 3 Apr 1973 00:00:00.000000 | 2442101.700000 23 Feb 1974 04:48:00.000000 | 8.000 | 5.280 |
| HH | I D Howarth | 3 | 2441782.500000 10 Apr 1973 00:00:00.000000 | 2443248.400000 14 Apr 1977 21:36:00.000000 | 7.900 | 6.130 |
| PC | C Pezzarossa | 5 | 2441812.400000 9 May 1973 21:36:00.000000 | 2442021.700000 5 Dec 1973 04:48:00.000000 | 8.720 | 6.090 |
| JM | M V Jones | 1 | 2441834.800000 1 Jun 1973 07:12:00.000000 | 2441834.800000 1 Jun 1973 07:12:00.000000 | 8.670 | 8.670 |
| BP | J A Bailey | 17 | 2441839.400000 5 Jun 1973 21:36:00.000000 | 2442898.400000 29 Apr 1976 21:36:00.000000 | 8.190 | 4.780 |
| SK | J D Shanklin | 57 | 2442127.500000 21 Mar 1974 00:00:00.000000 | 2447261.484700 9 Apr 1988 23:37:58.080000 | 8.770 | 5.380 |
| BJ | B J Beesley | 44 | 2442153.500000 16 Apr 1974 00:00:00.000000 | 2455528.789600 28 Nov 2010 06:57:01.440000 | 8.700 | 5.040 |
| MX | L R Matthews | 3 | 2442169.400000 1 May 1974 21:36:00.000000 | 2442537.400000 4 May 1975 21:36:00.000000 | 7.540 | 6.230 |
| GJ | R J Godden | 5 | 2442438.700000 26 Jan 1975 04:48:00.000000 | 2443253.500000 20 Apr 1977 00:00:00.000000 | 5.530 | 5.020 |
| ZC | R W Cripps | 5 | 2442488.500000 17 Mar 1975 00:00:00.000000 | 2442897.500000 29 Apr 1976 00:00:00.000000 | 6.930 | 5.280 |
| RM | R M Macleod | 29 | 2442760.800000 14 Dec 1975 07:12:00.000000 | 2443604.600000 6 Apr 1978 02:24:00.000000 | 7.470 | 5.180 |
| AG | S W Albrighton | 65 | 2442864.600000 27 Mar 1976 02:24:00.000000 | 2460080.420000 15 May 2023 22:04:48.000000 | 8.300 | 5.080 |
| HO | A J Hollis | 3 | 2443249.400000 15 Apr 1977 21:36:00.000000 | 2443286.400000 22 May 1977 21:36:00.000000 | 6.330 | 5.780 |
| NR | R H Mcnaught | 3 | 2443516.700000 8 Jan 1978 04:48:00.000000 | 2443965.500000 2 Apr 1979 00:00:00.000000 | 6.960 | 5.180 |
| VE | F C Ventura | 56 | 2443625.400000 26 Apr 1978 21:36:00.000000 | 2445495.300000 9 Jun 1983 19:12:00.000000 | 7.770 | 5.150 |
| RHF | R B I Fraser | 11 | 2443979.500000 16 Apr 1979 00:00:00.000000 | 2448268.764000 12 Jan 1991 06:20:09.600000 | 8.040 | 5.300 |
| GC | G A V Coady | 5 | 2444224.800000 17 Dec 1979 07:12:00.000000 | 2444729.400000 4 May 1981 21:36:00.000000 | 8.590 | 5.340 |
| SW | D R B Saw | 16 | 2444292.600000 23 Feb 1980 02:24:00.000000 | 2444749.400000 24 May 1981 21:36:00.000000 | 6.720 | 5.480 |
| MM | I A Middlemist | 8 | 2444312.500000 14 Mar 1980 00:00:00.000000 | 2444397.400000 6 Jun 1980 21:36:00.000000 | 5.930 | 5.380 |
| TT | T Tanti | 62 | 2444343.400000 13 Apr 1980 21:36:00.000000 | 2447322.319400 9 Jun 1988 19:39:56.160000 | 8.640 | 5.550 |
| GD | M J Gainsford | 25 | 2444349.400000 19 Apr 1980 21:36:00.000000 | 2449501.451300 28 May 1994 22:49:52.320000 | 8.040 | 5.080 |
| VN | S R Srinivasan | 55 | 2445339.500000 5 Jan 1983 00:00:00.000000 | 2447521.503400 26 Dec 1988 00:04:53.760000 | 8.720 | 5.180 |
| IW | W J Worraker | 38 | 2445342.800000 8 Jan 1983 07:12:00.000000 | 2448349.600600 3 Apr 1991 02:24:51.840000 | 8.570 | 5.750 |
| WH | P J Wheeler | 5 | 2445433.500000 9 Apr 1983 00:00:00.000000 | 2445823.400000 2 May 1984 21:36:00.000000 | 7.640 | 6.520 |
| VS | T G Saville | 3 | 2445455.400000 30 Apr 1983 21:36:00.000000 | 2445475.400000 20 May 1983 21:36:00.000000 | 6.820 | 6.070 |
| UL | S J Lubbock | 8 | 2445703.800000 4 Jan 1984 07:12:00.000000 | 2445850.500000 30 May 1984 00:00:00.000000 | 8.260 | 6.020 |
| TJ | J Toone | 507 | 2443172.778000 29 Jan 1977 06:40:19.200000 | 2460525.493000 2 Aug 2024 23:49:55.200000 | 9.500 | 4.980 |
| IS | J E Isles | 9 | 2447167.618000 7 Jan 1988 02:49:55.200000 | 2447377.241600 3 Aug 1988 17:47:54.240000 | 8.310 | 6.400 |
| TP | J Thorpe | 160 | 2449418.093700 6 Mar 1994 14:14:55.680000 | 2453627.958300 14 Sep 2005 10:59:57.120000 | 8.260 | 4.790 |
| NZ | I P Nartowicz | 51 | 2449475.604100 3 May 1994 02:29:54.240000 | 2449873.572900 5 Jun 1995 01:44:58.560000 | 8.040 | 5.080 |
| HC | C Henshaw | 5 | 2450192.400000 18 Apr 1996 21:36:00.000000 | 2451695.200000 30 May 2000 16:48:00.000000 | 6.900 | 4.600 |
| BHG | B H Granslo | 21 | 2450506.590000 27 Feb 1997 02:09:36.000000 | 2451315.450000 16 May 1999 22:48:00.000000 | 6.800 | 5.000 |
| AJJ | A J Johnston | 18 | 2451255.498600 17 Mar 1999 23:57:59.040000 | 2453141.458300 15 May 2004 22:59:57.120000 | 7.300 | 4.890 |
| -SK | G Stefanopoulos | 3 | 2452027.475000 27 Apr 2001 23:24:00.000000 | 2452104.301400 13 Jul 2001 19:14:00.960000 | 7.000 | 5.700 |
| JMP | J De Morae Pereira | 39 | 2412562.500000 9 Apr 1893 00:00:00.000000 | 2413387.500000 13 Jul 1895 00:00:00.000000 | 10.000 | 4.600 |
| BMD | B MacDonald | 1 | 2454810.752800 10 Dec 2008 06:04:01.920000 | 2454810.752800 10 Dec 2008 06:04:01.920000 | 7.100 | 7.100 |
| RAF | R Braga | 1 | 2455352.375000 4 Jun 2010 21:00:00.000000 | 2455352.375000 4 Jun 2010 21:00:00.000000 | 7.900 | 7.900 |
| BMB | B MacDonald | 5 | 2455983.561100 26 Feb 2012 01:27:59.040000 | 2456061.427800 13 May 2012 22:16:01.920000 | 8.800 | 7.400 |
| KC | C Knight | 1 | 2456474.801000 1 Jul 2013 07:13:26.400000 | 2456474.801000 1 Jul 2013 07:13:26.400000 | 8.400 | 8.400 |
| KGF | K Griffiths | 2 | 2457506.479000 27 Apr 2016 23:29:45.600000 | 2458987.409000 17 May 2020 21:48:57.600000 | 8.000 | 7.000 |