Supporting amateur astronomers since 1890
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British Astronomical Association Supporting amateur astronomers since 1890 |
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| Total observations: | 4,802 | Minimum magnitude: | 13.590 | Maximum magnitude: | 5.780 | ||
| First observation: | JD 2411837.500000 | \ | 15 Apr 1891 00:00:00.000000 UT | Latest observation: | JD 2460429.494000 | \ | 28 Apr 2024 23:51:21.600000 UT |
| Observation Method | Number of Observations |
|---|---|
| Visual | 4,802 |
| Observer Id | Observer Name | Number of Observations | First Observation JD / UT | Latest Observation JD / UT | Minimum Magnitude | Maximum Magnitude |
|---|---|---|---|---|---|---|
| COR | H Corder | 14 | 2412598.500000 15 May 1893 00:00:00.000000 | 2416667.000000 5 Jul 1904 12:00:00.000000 | 13.000 | 6.200 |
| KEX | J Kelly | 2 | 2415130.000000 20 Apr 1900 12:00:00.000000 | 2415140.000000 30 Apr 1900 12:00:00.000000 | 8.300 | 8.000 |
| MK | E E Markwick | 35 | 2411837.500000 15 Apr 1891 00:00:00.000000 | 2418807.000000 15 May 1910 12:00:00.000000 | 13.190 | 7.400 |
| CHJ | J W L Child | 1 | 2415469.000000 25 Mar 1901 12:00:00.000000 | 2415469.000000 25 Mar 1901 12:00:00.000000 | 9.990 | 9.990 |
| ORR | M A Orr | 1 | 2415497.000000 22 Apr 1901 12:00:00.000000 | 2415497.000000 22 Apr 1901 12:00:00.000000 | 9.500 | 9.500 |
| RY | P M Ryves | 91 | 2417230.000000 19 Jan 1906 12:00:00.000000 | 2423778.000000 24 Dec 1923 12:00:00.000000 | 12.680 | 6.480 |
| BN | A N Brown | 275 | 2417350.000000 19 May 1906 12:00:00.000000 | 2427572.000000 14 May 1934 12:00:00.000000 | 12.990 | 6.380 |
| GDX | J A Greenwood | 5 | 2417703.000000 7 May 1907 12:00:00.000000 | 2419671.500000 26 Sep 1912 00:00:00.000000 | 12.590 | 11.600 |
| GOX | A W Goatcher | 19 | 2419065.000000 28 Jan 1911 12:00:00.000000 | 2419885.000000 27 Apr 1913 12:00:00.000000 | 11.700 | 8.610 |
| GBL | G B Lacchini | 91 | 2419471.500000 10 Mar 1912 00:00:00.000000 | 2421787.000000 12 Jul 1918 12:00:00.000000 | 12.790 | 5.780 |
| DWX | C J Westland | 28 | 2419772.000000 4 Jan 1913 12:00:00.000000 | 2422554.000000 17 Aug 1920 12:00:00.000000 | 11.150 | 7.680 |
| BH | C F Butterworth | 1,144 | 2419881.000000 23 Apr 1913 12:00:00.000000 | 2430051.400000 25 Feb 1941 21:36:00.000000 | 13.300 | 5.780 |
| HTH | H Thomson | 7 | 2420155.000000 22 Jan 1914 12:00:00.000000 | 2422431.000000 16 Apr 1920 12:00:00.000000 | 11.100 | 6.880 |
| BCX | A B Burbeck | 5 | 2420206.000000 14 Mar 1914 12:00:00.000000 | 2420244.000000 21 Apr 1914 12:00:00.000000 | 9.790 | 8.620 |
| BC | C L Brook | 1 | 2420208.000000 16 Mar 1914 12:00:00.000000 | 2420208.000000 16 Mar 1914 12:00:00.000000 | 9.200 | 9.200 |
| D | F De Roy | 217 | 2420550.000000 21 Feb 1915 12:00:00.000000 | 2427578.000000 20 May 1934 12:00:00.000000 | 13.090 | 6.280 |
| GA | W T Gayfer | 15 | 2420606.000000 18 Apr 1915 12:00:00.000000 | 2434536.500000 8 Jun 1953 00:00:00.000000 | 12.100 | 6.580 |
| SKX | J F Skjellerup | 21 | 2420926.000000 3 Mar 1916 12:00:00.000000 | 2421431.000000 21 Jul 1917 12:00:00.000000 | 12.450 | 7.160 |
| CA | R G Chandra | 204 | 2422759.000000 10 Mar 1921 12:00:00.000000 | 2429621.700000 24 Dec 1939 04:48:00.000000 | 13.200 | 6.480 |
| WFH | W F H Waterfield | 65 | 2423108.000000 22 Feb 1922 12:00:00.000000 | 2424694.000000 27 Jun 1926 12:00:00.000000 | 11.200 | 6.780 |
| WI | J W Wilson | 19 | 2423164.000000 19 Apr 1922 12:00:00.000000 | 2423911.000000 5 May 1924 12:00:00.000000 | 9.590 | 6.780 |
| LI | W M Lindley | 87 | 2423503.000000 24 Mar 1923 12:00:00.000000 | 2429427.500000 13 Jun 1939 00:00:00.000000 | 12.800 | 6.290 |
| WHS | W H Smith | 93 | 2423526.000000 16 Apr 1923 12:00:00.000000 | 2425828.000000 4 Aug 1929 12:00:00.000000 | 11.700 | 6.480 |
| GRH | H R Grimwood | 3 | 2423577.000000 6 Jun 1923 12:00:00.000000 | 2423608.000000 7 Jul 1923 12:00:00.000000 | 9.770 | 8.710 |
| KW | G F Kellaway | 6 | 2423884.000000 8 Apr 1924 12:00:00.000000 | 2426482.000000 20 May 1931 12:00:00.000000 | 11.200 | 7.300 |
| BK | T P Bhaskaran | 12 | 2423931.000000 25 May 1924 12:00:00.000000 | 2424313.000000 11 Jun 1925 12:00:00.000000 | 9.770 | 7.000 |
| GLX | O A Glastonbury | 57 | 2423935.000000 29 May 1924 12:00:00.000000 | 2425823.000000 30 Jul 1929 12:00:00.000000 | 12.100 | 6.480 |
| BA | M K Bappu | 305 | 2424193.000000 11 Feb 1925 12:00:00.000000 | 2431061.500000 3 Dec 1943 00:00:00.000000 | 13.300 | 6.180 |
| LA | C H Laver | 7 | 2424588.000000 13 Mar 1926 12:00:00.000000 | 2424695.000000 28 Jun 1926 12:00:00.000000 | 10.000 | 6.780 |
| ST | G E B Stephenson | 22 | 2424615.000000 9 Apr 1926 12:00:00.000000 | 2434539.500000 11 Jun 1953 00:00:00.000000 | 9.010 | 6.680 |
| SH | W L Shepherd | 9 | 2425334.000000 28 Mar 1928 12:00:00.000000 | 2433802.400000 4 Jun 1951 21:36:00.000000 | 9.430 | 6.310 |
| GDO | H C Godfrey | 9 | 2425373.000000 6 May 1928 12:00:00.000000 | 2425418.000000 20 Jun 1928 12:00:00.000000 | 7.040 | 6.430 |
| SF | R C I Shinkfield | 172 | 2425381.000000 14 May 1928 12:00:00.000000 | 2440434.900000 1 Aug 1969 09:36:00.000000 | 13.590 | 5.980 |
| EH | H E Houghton | 225 | 2425688.000000 17 Mar 1929 12:00:00.000000 | 2430468.400000 18 Apr 1942 21:36:00.000000 | 12.890 | 6.260 |
| HA | G P B Hallowes | 3 | 2425708.000000 6 Apr 1929 12:00:00.000000 | 2425717.000000 15 Apr 1929 12:00:00.000000 | 9.770 | 9.670 |
| LH | A W Lane-Hall | 39 | 2425720.000000 18 Apr 1929 12:00:00.000000 | 2427515.000000 18 Mar 1934 12:00:00.000000 | 12.900 | 6.600 |
| AY | F Addey | 1 | 2426474.000000 12 May 1931 12:00:00.000000 | 2426474.000000 12 May 1931 12:00:00.000000 | 10.900 | 10.900 |
| WR | M L Webber | 17 | 2427519.000000 22 Mar 1934 12:00:00.000000 | 2427679.000000 29 Aug 1934 12:00:00.000000 | 12.730 | 6.880 |
| HL | F M Holborn | 192 | 2427948.500000 26 May 1935 00:00:00.000000 | 2437045.400000 20 Apr 1960 21:36:00.000000 | 13.090 | 6.580 |
| PA | G E Patston | 16 | 2428308.500000 20 May 1936 00:00:00.000000 | 2429783.200000 2 Jun 1940 16:48:00.000000 | 12.860 | 10.480 |
| EN | G E Ensor | 27 | 2428602.900000 10 Mar 1937 09:36:00.000000 | 2429781.200000 31 May 1940 16:48:00.000000 | 12.800 | 8.710 |
| KT | N F H Knight | 75 | 2428665.500000 12 May 1937 00:00:00.000000 | 2432180.800000 26 Dec 1946 07:12:00.000000 | 12.800 | 6.430 |
| WM | C L Williams | 7 | 2428711.000000 26 Jun 1937 12:00:00.000000 | 2429258.300000 25 Dec 1938 19:12:00.000000 | 11.700 | 7.200 |
| AL | A F O Alexander | 21 | 2429346.500000 24 Mar 1939 00:00:00.000000 | 2430106.400000 21 Apr 1941 21:36:00.000000 | 12.590 | 8.420 |
| TC | G D R Tucker | 9 | 2430458.500000 9 Apr 1942 00:00:00.000000 | 2430516.500000 6 Jun 1942 00:00:00.000000 | 10.900 | 9.230 |
| HE | A Heath | 30 | 2431528.600000 14 Mar 1945 02:24:00.000000 | 2432180.800000 26 Dec 1946 07:12:00.000000 | 11.100 | 6.680 |
| BZ | J R Bazin | 54 | 2431532.400000 17 Mar 1945 21:36:00.000000 | 2434098.500000 27 Mar 1952 00:00:00.000000 | 11.620 | 6.360 |
| AN | R G Andrews | 298 | 2431833.700000 13 Jan 1946 04:48:00.000000 | 2437043.500000 19 Apr 1960 00:00:00.000000 | 13.080 | 5.830 |
| WL | H Wildey | 1 | 2432655.400000 13 Apr 1948 21:36:00.000000 | 2432655.400000 13 Apr 1948 21:36:00.000000 | 7.620 | 7.620 |
| RO | F A Roper | 195 | 2433765.500000 29 Apr 1951 00:00:00.000000 | 2438240.400000 29 Jul 1963 21:36:00.000000 | 12.900 | 6.190 |
| KK | A Kerkham | 27 | 2436661.300000 2 Apr 1959 19:12:00.000000 | 2436814.200000 2 Sep 1959 16:48:00.000000 | 12.140 | 6.280 |
| RB | J H Robinson | 4 | 2436665.500000 7 Apr 1959 00:00:00.000000 | 2436725.500000 6 Jun 1959 00:00:00.000000 | 11.700 | 9.010 |
| MB | L Muniz Barreto | 15 | 2436724.600000 5 Jun 1959 02:24:00.000000 | 2437121.400000 5 Jul 1960 21:36:00.000000 | 9.460 | 6.200 |
| JQ | J Barroso | 12 | 2437042.700000 18 Apr 1960 04:48:00.000000 | 2437173.500000 27 Aug 1960 00:00:00.000000 | 12.800 | 7.320 |
| PMS | P M Silva | 13 | 2437081.500000 27 May 1960 00:00:00.000000 | 2437456.400000 5 Jun 1961 21:36:00.000000 | 10.900 | 7.320 |
| CT | B A Carter | 68 | 2437425.500000 6 May 1961 00:00:00.000000 | 2440007.500000 31 May 1968 00:00:00.000000 | 12.990 | 9.000 |
| NB | N D Butterworth | 51 | 2439288.500000 12 Jun 1966 00:00:00.000000 | 2440114.400000 14 Sep 1968 21:36:00.000000 | 12.800 | 7.920 |
| PL | W E Pennell | 47 | 2440007.400000 30 May 1968 21:36:00.000000 | 2441074.400000 2 May 1971 21:36:00.000000 | 12.800 | 7.320 |
| KX | O J Knox | 120 | 2440555.800000 30 Nov 1969 07:12:00.000000 | 2442394.700000 13 Dec 1974 04:48:00.000000 | 12.790 | 6.930 |
| MR | P A Moore | 6 | 2440683.500000 7 Apr 1970 00:00:00.000000 | 2441089.500000 18 May 1971 00:00:00.000000 | 12.500 | 11.300 |
| PT | R A H Paterson | 10 | 2441723.600000 10 Feb 1973 02:24:00.000000 | 2441824.400000 21 May 1973 21:36:00.000000 | 12.590 | 8.320 |
| HI | G P Hawkins | 8 | 2441735.500000 22 Feb 1973 00:00:00.000000 | 2441855.400000 21 Jun 1973 21:36:00.000000 | 12.700 | 8.890 |
| MW | W Morris | 3 | 2441748.500000 7 Mar 1973 00:00:00.000000 | 2441804.400000 1 May 1973 21:36:00.000000 | 12.250 | 9.290 |
| MY | A Maudsley | 2 | 2441771.500000 30 Mar 1973 00:00:00.000000 | 2441775.500000 3 Apr 1973 00:00:00.000000 | 10.140 | 9.770 |
| PC | C Pezzarossa | 2 | 2441840.400000 6 Jun 1973 21:36:00.000000 | 2441853.400000 19 Jun 1973 21:36:00.000000 | 12.450 | 12.080 |
| BP | J A Bailey | 2 | 2442025.700000 9 Dec 1973 04:48:00.000000 | 2442047.700000 31 Dec 1973 04:48:00.000000 | 7.300 | 6.680 |
| HY | P W Hornby | 1 | 2442078.600000 31 Jan 1974 02:24:00.000000 | 2442078.600000 31 Jan 1974 02:24:00.000000 | 8.330 | 8.330 |
| RJB | R J Bouma | 1 | 2450209.400000 5 May 1996 21:36:00.000000 | 2450209.400000 5 May 1996 21:36:00.000000 | 12.700 | 12.700 |
| TUB | V Tuboly | 1 | 2450934.399300 30 Apr 1998 21:34:59.520000 | 2450934.399300 30 Apr 1998 21:34:59.520000 | 12.400 | 12.400 |
| TJ | J Toone | 125 | 2444309.486000 10 Mar 1980 23:39:50.400000 | 2460429.494000 28 Apr 2024 23:51:21.600000 | 13.400 | 6.600 |
| XG | G Poyner | 1 | 2456060.409700 12 May 2012 21:49:58.080000 | 2456060.409700 12 May 2012 21:49:58.080000 | 10.100 | 10.100 |
| QM | T Markham | 12 | 2456365.670000 14 Mar 2013 04:04:48.000000 | 2457517.486000 8 May 2016 23:39:50.400000 | 8.700 | 6.800 |
| TLH | T L Heywood | 4 | 2458244.493000 5 May 2018 23:49:55.200000 | 2458258.458000 19 May 2018 22:59:31.200000 | 7.800 | 7.600 |
| AG | S W Albrighton | 15 | 2458215.420000 6 Apr 2018 22:04:48.000000 | 2459732.424000 1 Jun 2022 22:10:33.600000 | 10.700 | 7.000 |