Supporting amateur astronomers since 1890
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British Astronomical Association Supporting amateur astronomers since 1890 |
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| Total observations: | 5,372 | Minimum magnitude: | 13.670 | Maximum magnitude: | 6.570 | ||
| First observation: | JD 2400257.500000 | \ | 1 Aug 1859 00:00:00.000000 UT | Latest observation: | JD 2460181.448280 | \ | 24 Aug 2023 22:45:31.392000 UT |
| Observation Method | Number of Observations |
|---|---|
| Visual | 5,314 |
| CCD | 46 |
| CMOS | 12 |
| Observer Id | Observer Name | Number of Observations | First Observation JD / UT | Latest Observation JD / UT | Minimum Magnitude | Maximum Magnitude |
|---|---|---|---|---|---|---|
| COR | H Corder | 7 | 2412892.500000 5 Mar 1894 00:00:00.000000 | 2413473.500000 7 Oct 1895 00:00:00.000000 | 12.500 | 7.500 |
| MK | E E Markwick | 215 | 2415249.000000 17 Aug 1900 12:00:00.000000 | 2424106.000000 16 Nov 1924 12:00:00.000000 | 13.400 | 7.170 |
| PEX | J M Peridier | 15 | 2415278.000000 15 Sep 1900 12:00:00.000000 | 2415646.000000 18 Sep 1901 12:00:00.000000 | 9.940 | 7.320 |
| ORR | M A Orr | 11 | 2415292.000000 29 Sep 1900 12:00:00.000000 | 2416436.000000 17 Nov 1903 12:00:00.000000 | 11.160 | 7.240 |
| CHJ | J W L Child | 35 | 2415493.000000 18 Apr 1901 12:00:00.000000 | 2416044.000000 21 Oct 1902 12:00:00.000000 | 12.970 | 7.560 |
| LEB | O A Lebeau | 1 | 2415671.000000 13 Oct 1901 12:00:00.000000 | 2415671.000000 13 Oct 1901 12:00:00.000000 | 11.160 | 11.160 |
| RY | P M Ryves | 177 | 2416958.000000 22 Apr 1905 12:00:00.000000 | 2424498.000000 13 Dec 1925 12:00:00.000000 | 13.450 | 6.820 |
| BC | C L Brook | 310 | 2416969.000000 3 May 1905 12:00:00.000000 | 2424093.000000 3 Nov 1924 12:00:00.000000 | 13.570 | 6.970 |
| BTX | J H Best | 3 | 2417315.000000 14 Apr 1906 12:00:00.000000 | 2417327.000000 26 Apr 1906 12:00:00.000000 | 11.780 | 11.060 |
| BN | A N Brown | 1,071 | 2417440.000000 17 Aug 1906 12:00:00.000000 | 2427716.000000 5 Oct 1934 12:00:00.000000 | 13.600 | 6.570 |
| D | F De Roy | 677 | 2417739.000000 12 Jun 1907 12:00:00.000000 | 2427755.000000 13 Nov 1934 12:00:00.000000 | 13.670 | 7.020 |
| GDX | J A Greenwood | 9 | 2417767.000000 10 Jul 1907 12:00:00.000000 | 2418244.000000 29 Oct 1908 12:00:00.000000 | 12.410 | 7.820 |
| FGB | F G Brown | 26 | 2419043.000000 6 Jan 1911 12:00:00.000000 | 2419572.000000 18 Jun 1912 12:00:00.000000 | 13.370 | 7.400 |
| CRX | F R Cripps | 7 | 2419196.000000 8 Jun 1911 12:00:00.000000 | 2420270.000000 17 May 1914 12:00:00.000000 | 10.970 | 7.820 |
| GI | N V Ginori | 66 | 2419241.000000 23 Jul 1911 12:00:00.000000 | 2422046.000000 28 Mar 1919 12:00:00.000000 | 12.410 | 7.440 |
| GBL | G B Lacchini | 92 | 2419355.000000 14 Nov 1911 12:00:00.000000 | 2421806.000000 31 Jul 1918 12:00:00.000000 | 12.610 | 7.020 |
| CHX | E K Church | 52 | 2419951.000000 2 Jul 1913 12:00:00.000000 | 2421574.000000 11 Dec 1917 12:00:00.000000 | 13.470 | 7.370 |
| ADX | H B Adames | 112 | 2420270.000000 17 May 1914 12:00:00.000000 | 2423363.000000 4 Nov 1922 12:00:00.000000 | 12.410 | 7.690 |
| BCX | A B Burbeck | 12 | 2420377.000000 1 Sep 1914 12:00:00.000000 | 2421115.000000 8 Sep 1916 12:00:00.000000 | 11.270 | 7.810 |
| W | R L Waterfield | 23 | 2420596.000000 8 Apr 1915 12:00:00.000000 | 2420867.000000 4 Jan 1916 12:00:00.000000 | 9.920 | 7.910 |
| BG | J H Bridger | 467 | 2421002.000000 18 May 1916 12:00:00.000000 | 2427784.000000 12 Dec 1934 12:00:00.000000 | 13.570 | 7.070 |
| BO | J J Bougon | 86 | 2422186.000000 15 Aug 1919 12:00:00.000000 | 2423356.000000 28 Oct 1922 12:00:00.000000 | 13.240 | 7.330 |
| CA | R G Chandra | 77 | 2422351.000000 27 Jan 1920 12:00:00.000000 | 2427766.000000 24 Nov 1934 12:00:00.000000 | 12.970 | 6.970 |
| LI | W M Lindley | 210 | 2422801.000000 21 Apr 1921 12:00:00.000000 | 2427719.000000 8 Oct 1934 12:00:00.000000 | 13.600 | 6.820 |
| MSX | A A Miles | 1 | 2422808.000000 28 Apr 1921 12:00:00.000000 | 2422808.000000 28 Apr 1921 12:00:00.000000 | 12.080 | 12.080 |
| BR | D G Brown | 16 | 2423058.000000 3 Jan 1922 12:00:00.000000 | 2423400.000000 11 Dec 1922 12:00:00.000000 | 13.040 | 7.170 |
| LE | G H Lepper | 123 | 2423190.000000 15 May 1922 12:00:00.000000 | 2425172.000000 18 Oct 1927 12:00:00.000000 | 13.370 | 7.600 |
| WFH | W F H Waterfield | 118 | 2423223.000000 17 Jun 1922 12:00:00.000000 | 2424704.000000 7 Jul 1926 12:00:00.000000 | 13.570 | 7.170 |
| KW | G F Kellaway | 30 | 2423311.000000 13 Sep 1922 12:00:00.000000 | 2426693.000000 17 Dec 1931 12:00:00.000000 | 13.240 | 8.010 |
| PRE | E Prentice | 24 | 2423353.000000 25 Oct 1922 12:00:00.000000 | 2423756.000000 2 Dec 1923 12:00:00.000000 | 11.780 | 7.500 |
| GRH | H R Grimwood | 7 | 2423360.000000 1 Nov 1922 12:00:00.000000 | 2423723.000000 30 Oct 1923 12:00:00.000000 | 10.970 | 7.370 |
| SV | W H Steavenson | 149 | 2424374.000000 11 Aug 1925 12:00:00.000000 | 2427616.000000 27 Jun 1934 12:00:00.000000 | 13.440 | 7.070 |
| HA | G P B Hallowes | 91 | 2425051.000000 19 Jun 1927 12:00:00.000000 | 2426640.000000 25 Oct 1931 12:00:00.000000 | 13.570 | 6.970 |
| SH | W L Shepherd | 42 | 2425066.000000 4 Jul 1927 12:00:00.000000 | 2425598.000000 17 Dec 1928 12:00:00.000000 | 13.570 | 7.600 |
| PE | E E Peacock | 108 | 2425491.000000 1 Sep 1928 12:00:00.000000 | 2427684.000000 3 Sep 1934 12:00:00.000000 | 13.370 | 7.170 |
| KX | O J Knox | 24 | 2425718.000000 16 Apr 1929 12:00:00.000000 | 2425887.000000 2 Oct 1929 12:00:00.000000 | 12.600 | 8.210 |
| LH | A W Lane-Hall | 110 | 2425767.000000 4 Jun 1929 12:00:00.000000 | 2427515.000000 18 Mar 1934 12:00:00.000000 | 13.160 | 7.070 |
| TH | A D Thackeray | 51 | 2426044.000000 8 Mar 1930 12:00:00.000000 | 2426987.000000 6 Oct 1932 12:00:00.000000 | 13.300 | 7.700 |
| WB | H Webber | 40 | 2426368.000000 26 Jan 1931 12:00:00.000000 | 2427741.000000 30 Oct 1934 12:00:00.000000 | 12.770 | 7.070 |
| RW | G O Rawstron | 16 | 2427302.000000 17 Aug 1933 12:00:00.000000 | 2427666.000000 16 Aug 1934 12:00:00.000000 | 11.160 | 8.090 |
| WR | M L Webber | 24 | 2427575.000000 17 May 1934 12:00:00.000000 | 2427693.000000 12 Sep 1934 12:00:00.000000 | 13.370 | 8.120 |
| WS | E J W West | 15 | 2448782.430500 8 Jun 1992 22:19:55.200000 | 2449160.438800 21 Jun 1993 22:31:52.320000 | 12.500 | 8.200 |
| ARB | A R Baransky | 5 | 2449934.400000 4 Aug 1995 21:36:00.000000 | 2450727.400000 5 Oct 1997 21:36:00.000000 | 10.000 | 8.600 |
| RJB | R J Bouma | 47 | 2450249.500000 15 Jun 1996 00:00:00.000000 | 2451835.300000 17 Oct 2000 19:12:00.000000 | 13.300 | 7.400 |
| VP | P Veleshchuk | 20 | 2450517.600000 10 Mar 1997 02:24:00.000000 | 2450746.300000 24 Oct 1997 19:12:00.000000 | 11.700 | 8.200 |
| BHG | B H Granslo | 1 | 2450880.630000 8 Mar 1998 03:07:12.000000 | 2450880.630000 8 Mar 1998 03:07:12.000000 | 8.700 | 8.700 |
| TUB | V Tuboly | 1 | 2450924.376000 20 Apr 1998 21:01:26.400000 | 2450924.376000 20 Apr 1998 21:01:26.400000 | 9.000 | 9.000 |
| -SK | G Stefanopoulos | 19 | 2452048.376400 18 May 2001 21:02:00.960000 | 2456837.344000 28 Jun 2014 20:15:21.600000 | 10.400 | 7.100 |
| AX | C M Allen | 33 | 2453898.432600 11 Jun 2006 22:22:56.640000 | 2456150.362500 10 Aug 2012 20:42:00.000000 | 13.400 | 7.700 |
| QM | T Markham | 40 | 2444137.479000 20 Sep 1979 23:29:45.600000 | 2457524.552000 16 May 2016 01:14:52.800000 | 9.400 | 7.100 |
| BCP | C D Beech | 17 | 2454974.482600 22 May 2009 23:34:56.640000 | 2457840.607700 28 Mar 2017 02:35:05.280000 | 12.600 | 8.256 |
| MZ | I Miller | 2 | 2441544.444000 14 Aug 1972 22:39:21.600000 | 2441553.427000 23 Aug 1972 22:14:52.800000 | 9.300 | 9.000 |
| BAX | J Baxendell | 324 | 2400257.500000 1 Aug 1859 00:00:00.000000 | 2410283.500000 12 Jan 1887 00:00:00.000000 | 13.300 | 6.900 |
| TLH | T L Heywood | 22 | 2457976.427000 10 Aug 2017 22:14:52.800000 | 2458994.479000 24 May 2020 23:29:45.600000 | 9.300 | 7.900 |
| AG | S W Albrighton | 50 | 2458259.483000 20 May 2018 23:35:31.200000 | 2460125.448000 29 Jun 2023 22:45:07.200000 | 12.200 | 7.600 |
| GPF | G Fleming | 41 | 2458819.231920 1 Dec 2019 17:33:57.888000 | 2460181.448280 24 Aug 2023 22:45:31.392000 | 12.515 | 7.985 |