Supporting amateur astronomers since 1890
|
British Astronomical Association Supporting amateur astronomers since 1890 |
|
Home | Login |
| Help |
| Total observations: | 3,817 | Minimum magnitude: | 13.600 | Maximum magnitude: | 6.800 | ||
| First observation: | JD 2415251.000000 | \ | 19 Aug 1900 12:00:00.000000 UT | Latest observation: | JD 2460255.392000 | \ | 6 Nov 2023 21:24:28.800000 UT |
| Observation Method | Number of Observations |
|---|---|
| Visual | 3,785 |
| CCD | 16 |
| CMOS | 16 |
| Observer Id | Observer Name | Number of Observations | First Observation JD / UT | Latest Observation JD / UT | Minimum Magnitude | Maximum Magnitude |
|---|---|---|---|---|---|---|
| KEX | J Kelly | 7 | 2415251.000000 19 Aug 1900 12:00:00.000000 | 2415618.000000 21 Aug 1901 12:00:00.000000 | 8.720 | 8.140 |
| ORR | M A Orr | 3 | 2415309.000000 16 Oct 1900 12:00:00.000000 | 2416727.000000 3 Sep 1904 12:00:00.000000 | 11.300 | 8.000 |
| CHJ | J W L Child | 15 | 2415605.000000 8 Aug 1901 12:00:00.000000 | 2416056.000000 2 Nov 1902 12:00:00.000000 | 13.000 | 8.280 |
| MK | E E Markwick | 135 | 2415612.000000 15 Aug 1901 12:00:00.000000 | 2423757.000000 3 Dec 1923 12:00:00.000000 | 13.200 | 7.000 |
| PEX | J M Peridier | 2 | 2415644.000000 16 Sep 1901 12:00:00.000000 | 2415646.000000 18 Sep 1901 12:00:00.000000 | 9.700 | 9.640 |
| COR | H Corder | 22 | 2416370.000000 12 Sep 1903 12:00:00.000000 | 2417552.000000 7 Dec 1906 12:00:00.000000 | 11.090 | 7.000 |
| WMX | L A Williams | 13 | 2416705.000000 12 Aug 1904 12:00:00.000000 | 2417851.000000 2 Oct 1907 12:00:00.000000 | 10.890 | 7.600 |
| RY | P M Ryves | 252 | 2417035.000000 8 Jul 1905 12:00:00.000000 | 2424441.000000 17 Oct 1925 12:00:00.000000 | 13.500 | 7.050 |
| BN | A N Brown | 569 | 2417480.000000 26 Sep 1906 12:00:00.000000 | 2427716.000000 5 Oct 1934 12:00:00.000000 | 13.200 | 6.980 |
| D | F De Roy | 341 | 2417827.000000 8 Sep 1907 12:00:00.000000 | 2427779.000000 7 Dec 1934 12:00:00.000000 | 13.200 | 6.970 |
| GDX | J A Greenwood | 9 | 2417879.000000 30 Oct 1907 12:00:00.000000 | 2419666.000000 20 Sep 1912 12:00:00.000000 | 11.930 | 8.450 |
| OF | J M Offord | 8 | 2418178.000000 24 Aug 1908 12:00:00.000000 | 2418273.000000 27 Nov 1908 12:00:00.000000 | 9.440 | 7.520 |
| FGB | F G Brown | 31 | 2418866.000000 13 Jul 1910 12:00:00.000000 | 2419386.000000 15 Dec 1911 12:00:00.000000 | 12.490 | 7.200 |
| GHX | M E J Gheury | 21 | 2418890.000000 6 Aug 1910 12:00:00.000000 | 2419353.000000 12 Nov 1911 12:00:00.000000 | 11.670 | 7.300 |
| HW | E J How | 82 | 2418979.000000 3 Nov 1910 12:00:00.000000 | 2426642.000000 27 Oct 1931 12:00:00.000000 | 12.110 | 7.300 |
| GOX | A W Goatcher | 33 | 2418989.000000 13 Nov 1910 12:00:00.000000 | 2419764.000000 27 Dec 1912 12:00:00.000000 | 11.300 | 7.850 |
| BDX | J T Bird | 11 | 2419326.000000 16 Oct 1911 12:00:00.000000 | 2419394.000000 23 Dec 1911 12:00:00.000000 | 10.300 | 8.620 |
| GI | N V Ginori | 15 | 2419357.000000 16 Nov 1911 12:00:00.000000 | 2419774.000000 6 Jan 1913 12:00:00.000000 | 10.310 | 7.600 |
| BC | C L Brook | 6 | 2419390.000000 19 Dec 1911 12:00:00.000000 | 2420168.000000 4 Feb 1914 12:00:00.000000 | 10.600 | 7.920 |
| BH | C F Butterworth | 1,264 | 2419614.000000 30 Jul 1912 12:00:00.000000 | 2427803.000000 31 Dec 1934 12:00:00.000000 | 13.230 | 7.000 |
| GBL | G B Lacchini | 6 | 2419774.000000 6 Jan 1913 12:00:00.000000 | 2420129.000000 27 Dec 1913 12:00:00.000000 | 9.340 | 7.940 |
| BCX | A B Burbeck | 9 | 2420412.000000 6 Oct 1914 12:00:00.000000 | 2420847.000000 15 Dec 1915 12:00:00.000000 | 9.830 | 7.300 |
| CHX | E K Church | 7 | 2420474.000000 7 Dec 1914 12:00:00.000000 | 2421219.000000 21 Dec 1916 12:00:00.000000 | 11.930 | 7.300 |
| ADX | H B Adames | 28 | 2420696.000000 17 Jul 1915 12:00:00.000000 | 2423350.000000 22 Oct 1922 12:00:00.000000 | 13.000 | 7.000 |
| W | R L Waterfield | 8 | 2420723.000000 13 Aug 1915 12:00:00.000000 | 2420812.000000 10 Nov 1915 12:00:00.000000 | 11.720 | 8.450 |
| GA | W T Gayfer | 15 | 2420744.000000 3 Sep 1915 12:00:00.000000 | 2423706.000000 13 Oct 1923 12:00:00.000000 | 13.000 | 7.880 |
| BO | J J Bougon | 64 | 2422252.000000 20 Oct 1919 12:00:00.000000 | 2424434.000000 10 Oct 1925 12:00:00.000000 | 13.040 | 7.370 |
| CA | R G Chandra | 46 | 2422906.000000 4 Aug 1921 12:00:00.000000 | 2427775.000000 3 Dec 1934 12:00:00.000000 | 12.220 | 7.300 |
| PRE | E Prentice | 8 | 2423341.000000 13 Oct 1922 12:00:00.000000 | 2423671.000000 8 Sep 1923 12:00:00.000000 | 12.920 | 11.140 |
| LI | W M Lindley | 114 | 2423622.000000 21 Jul 1923 12:00:00.000000 | 2427799.000000 27 Dec 1934 12:00:00.000000 | 13.600 | 6.800 |
| BK | T P Bhaskaran | 77 | 2424117.000000 27 Nov 1924 12:00:00.000000 | 2426332.000000 21 Dec 1930 12:00:00.000000 | 13.300 | 10.300 |
| BA | M K Bappu | 98 | 2424132.000000 12 Dec 1924 12:00:00.000000 | 2427795.000000 23 Dec 1934 12:00:00.000000 | 13.450 | 6.800 |
| WFH | W F H Waterfield | 28 | 2424325.000000 23 Jun 1925 12:00:00.000000 | 2424704.000000 7 Jul 1926 12:00:00.000000 | 12.920 | 8.480 |
| SI | H Simmons | 31 | 2424406.000000 12 Sep 1925 12:00:00.000000 | 2425209.000000 24 Nov 1927 12:00:00.000000 | 13.040 | 9.900 |
| HA | G P B Hallowes | 143 | 2424481.000000 26 Nov 1925 12:00:00.000000 | 2426628.000000 13 Oct 1931 12:00:00.000000 | 13.150 | 8.070 |
| SH | W L Shepherd | 14 | 2425235.000000 20 Dec 1927 12:00:00.000000 | 2425598.000000 17 Dec 1928 12:00:00.000000 | 13.100 | 11.090 |
| LH | A W Lane-Hall | 82 | 2425528.000000 8 Oct 1928 12:00:00.000000 | 2427476.000000 7 Feb 1934 12:00:00.000000 | 12.420 | 7.200 |
| KX | O J Knox | 4 | 2425860.000000 5 Sep 1929 12:00:00.000000 | 2425887.000000 2 Oct 1929 12:00:00.000000 | 10.260 | 9.940 |
| TH | A D Thackeray | 33 | 2426175.000000 17 Jul 1930 12:00:00.000000 | 2426983.000000 2 Oct 1932 12:00:00.000000 | 12.580 | 8.060 |
| SF | R C I Shinkfield | 12 | 2426959.000000 8 Sep 1932 12:00:00.000000 | 2427781.000000 9 Dec 1934 12:00:00.000000 | 10.880 | 6.970 |
| AY | F Addey | 1 | 2427060.000000 18 Dec 1932 12:00:00.000000 | 2427060.000000 18 Dec 1932 12:00:00.000000 | 10.890 | 10.890 |
| HL | F M Holborn | 1 | 2427803.000000 31 Dec 1934 12:00:00.000000 | 2427803.000000 31 Dec 1934 12:00:00.000000 | 10.790 | 10.790 |
| WS | E J W West | 9 | 2448845.453400 10 Aug 1992 22:52:53.760000 | 2448943.390900 16 Nov 1992 21:22:53.760000 | 11.000 | 9.000 |
| RJB | R J Bouma | 23 | 2450301.400000 5 Aug 1996 21:36:00.000000 | 2451879.300000 30 Nov 2000 19:12:00.000000 | 11.200 | 7.500 |
| VP | P Veleshchuk | 18 | 2450658.500000 29 Jul 1997 00:00:00.000000 | 2450746.300000 24 Oct 1997 19:12:00.000000 | 9.700 | 7.600 |
| ARB | A R Baransky | 9 | 2450683.400000 22 Aug 1997 21:36:00.000000 | 2450742.400000 20 Oct 1997 21:36:00.000000 | 9.500 | 8.100 |
| TUB | V Tuboly | 4 | 2451078.288100 21 Sep 1998 18:54:51.840000 | 2451130.336800 12 Nov 1998 20:04:59.520000 | 9.000 | 7.500 |
| BHG | B H Granslo | 1 | 2451796.470000 8 Sep 2000 23:16:48.000000 | 2451796.470000 8 Sep 2000 23:16:48.000000 | 9.400 | 9.400 |
| TJ | J Toone | 16 | 2449166.510000 28 Jun 1993 00:14:24.000000 | 2460117.507000 22 Jun 2023 00:10:04.800000 | 9.300 | 7.600 |
| AG | S W Albrighton | 37 | 2458301.444000 1 Jul 2018 22:39:21.600000 | 2460255.392000 6 Nov 2023 21:24:28.800000 | 12.500 | 8.400 |
| GPF | G Fleming | 32 | 2458819.242250 1 Dec 2019 17:48:50.400000 | 2460232.424910 14 Oct 2023 22:11:52.224000 | 12.526 | 10.307 |