Supporting amateur astronomers since 1890
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British Astronomical Association Supporting amateur astronomers since 1890 |
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| Total observations: | 6,199 | Minimum magnitude: | 14.500 | Maximum magnitude: | 6.830 | ||
| First observation: | JD 2419150.000000 | \ | 23 Apr 1911 12:00:00.000000 UT | Latest observation: | JD 2459859.396000 | \ | 6 Oct 2022 21:30:14.400000 UT |
| Observation Method | Number of Observations |
|---|---|
| Visual | 6,198 |
| CCD | 1 |
| Observer Id | Observer Name | Number of Observations | First Observation JD / UT | Latest Observation JD / UT | Minimum Magnitude | Maximum Magnitude |
|---|---|---|---|---|---|---|
| FGB | F G Brown | 15 | 2419150.000000 23 Apr 1911 12:00:00.000000 | 2419560.000000 6 Jun 1912 12:00:00.000000 | 12.660 | 7.900 |
| BIX | E G Bird | 12 | 2419205.000000 17 Jun 1911 12:00:00.000000 | 2419273.000000 24 Aug 1911 12:00:00.000000 | 12.650 | 7.720 |
| BC | C L Brook | 124 | 2419256.000000 7 Aug 1911 12:00:00.000000 | 2424070.000000 11 Oct 1924 12:00:00.000000 | 13.080 | 7.440 |
| GHX | M E J Gheury | 13 | 2419276.000000 27 Aug 1911 12:00:00.000000 | 2420270.000000 17 May 1914 12:00:00.000000 | 12.030 | 7.640 |
| BL | J Van Der Bilt | 368 | 2419594.000000 10 Jul 1912 12:00:00.000000 | 2428522.500000 20 Dec 1936 00:00:00.000000 | 13.580 | 7.340 |
| BH | C F Butterworth | 2,012 | 2419609.000000 25 Jul 1912 12:00:00.000000 | 2430035.500000 10 Feb 1941 00:00:00.000000 | 13.190 | 7.340 |
| GBL | G B Lacchini | 38 | 2419708.000000 1 Nov 1912 12:00:00.000000 | 2420427.000000 21 Oct 1914 12:00:00.000000 | 11.570 | 7.640 |
| GI | N V Ginori | 56 | 2419920.000000 1 Jun 1913 12:00:00.000000 | 2423607.000000 6 Jul 1923 12:00:00.000000 | 13.070 | 7.620 |
| MK | E E Markwick | 23 | 2419974.000000 25 Jul 1913 12:00:00.000000 | 2423734.000000 10 Nov 1923 12:00:00.000000 | 12.340 | 7.940 |
| BN | A N Brown | 231 | 2420019.000000 8 Sep 1913 12:00:00.000000 | 2427716.000000 5 Oct 1934 12:00:00.000000 | 13.180 | 7.340 |
| GA | W T Gayfer | 50 | 2420279.000000 26 May 1914 12:00:00.000000 | 2433980.400000 29 Nov 1951 21:36:00.000000 | 11.420 | 7.840 |
| BCX | A B Burbeck | 7 | 2420317.000000 3 Jul 1914 12:00:00.000000 | 2420471.000000 4 Dec 1914 12:00:00.000000 | 9.620 | 8.180 |
| D | F De Roy | 342 | 2420655.000000 6 Jun 1915 12:00:00.000000 | 2427750.000000 8 Nov 1934 12:00:00.000000 | 13.100 | 7.340 |
| BG | J H Bridger | 383 | 2421381.000000 1 Jun 1917 12:00:00.000000 | 2428828.300000 21 Oct 1937 19:12:00.000000 | 12.900 | 7.340 |
| GRH | H R Grimwood | 80 | 2422578.000000 10 Sep 1920 12:00:00.000000 | 2423723.000000 30 Oct 1923 12:00:00.000000 | 12.640 | 7.640 |
| WFH | W F H Waterfield | 169 | 2423259.000000 23 Jul 1922 12:00:00.000000 | 2424707.000000 10 Jul 1926 12:00:00.000000 | 13.680 | 7.340 |
| PRE | E Prentice | 10 | 2423365.000000 6 Nov 1922 12:00:00.000000 | 2423756.000000 2 Dec 1923 12:00:00.000000 | 11.370 | 7.540 |
| LI | W M Lindley | 235 | 2423622.000000 21 Jul 1923 12:00:00.000000 | 2429492.500000 17 Aug 1939 00:00:00.000000 | 13.380 | 7.340 |
| PH | T E R Phillips | 1 | 2423706.000000 13 Oct 1923 12:00:00.000000 | 2423706.000000 13 Oct 1923 12:00:00.000000 | 9.800 | 9.800 |
| SI | H Simmons | 48 | 2424051.000000 22 Sep 1924 12:00:00.000000 | 2425209.000000 24 Nov 1927 12:00:00.000000 | 12.880 | 7.440 |
| BK | T P Bhaskaran | 72 | 2424058.000000 29 Sep 1924 12:00:00.000000 | 2425977.000000 31 Dec 1929 12:00:00.000000 | 13.200 | 7.640 |
| BA | M K Bappu | 222 | 2424082.000000 23 Oct 1924 12:00:00.000000 | 2431074.100000 15 Dec 1943 14:24:00.000000 | 13.880 | 6.830 |
| HA | G P B Hallowes | 168 | 2424482.000000 27 Nov 1925 12:00:00.000000 | 2426628.000000 13 Oct 1931 12:00:00.000000 | 14.100 | 7.440 |
| SV | W H Steavenson | 61 | 2424667.000000 31 May 1926 12:00:00.000000 | 2427644.000000 25 Jul 1934 12:00:00.000000 | 14.500 | 8.370 |
| CA | R G Chandra | 43 | 2424803.000000 14 Oct 1926 12:00:00.000000 | 2429582.500000 15 Nov 1939 00:00:00.000000 | 12.640 | 7.440 |
| TH | A D Thackeray | 52 | 2425963.000000 17 Dec 1929 12:00:00.000000 | 2426983.000000 2 Oct 1932 12:00:00.000000 | 11.950 | 7.390 |
| LH | A W Lane-Hall | 60 | 2426355.000000 13 Jan 1931 12:00:00.000000 | 2427365.000000 19 Oct 1933 12:00:00.000000 | 12.650 | 7.440 |
| HL | F M Holborn | 294 | 2427977.500000 24 Jun 1935 00:00:00.000000 | 2436939.300000 5 Jan 1960 19:12:00.000000 | 13.380 | 7.440 |
| PA | G E Patston | 13 | 2428394.500000 14 Aug 1936 00:00:00.000000 | 2428847.500000 10 Nov 1937 00:00:00.000000 | 13.030 | 7.550 |
| BZ | J R Bazin | 216 | 2428690.500000 6 Jun 1937 00:00:00.000000 | 2434031.300000 19 Jan 1952 19:12:00.000000 | 13.080 | 7.140 |
| KT | N F H Knight | 35 | 2429300.300000 5 Feb 1939 19:12:00.000000 | 2432155.300000 30 Nov 1946 19:12:00.000000 | 11.990 | 7.720 |
| CX | H W Cox | 63 | 2429498.500000 23 Aug 1939 00:00:00.000000 | 2432183.200000 28 Dec 1946 16:48:00.000000 | 13.180 | 7.440 |
| AL | A F O Alexander | 2 | 2429897.400000 24 Sep 1940 21:36:00.000000 | 2429961.300000 27 Nov 1940 19:12:00.000000 | 11.490 | 8.780 |
| FR | J Friends | 29 | 2434225.500000 1 Aug 1952 00:00:00.000000 | 2438347.400000 13 Nov 1963 21:36:00.000000 | 11.260 | 7.860 |
| RO | F A Roper | 206 | 2435316.500000 28 Jul 1955 00:00:00.000000 | 2438382.200000 18 Dec 1963 16:48:00.000000 | 12.700 | 7.280 |
| MF | W Maffett | 19 | 2436712.600000 24 May 1959 02:24:00.000000 | 2437608.300000 4 Nov 1961 19:12:00.000000 | 12.190 | 7.780 |
| SF | R C I Shinkfield | 7 | 2437499.100000 18 Jul 1961 14:24:00.000000 | 2438326.900000 24 Oct 1963 09:36:00.000000 | 10.880 | 8.200 |
| QW | P F Waldron | 3 | 2437636.300000 2 Dec 1961 19:12:00.000000 | 2437972.400000 3 Nov 1962 21:36:00.000000 | 10.680 | 8.840 |
| GL | J S Glasby | 46 | 2437856.500000 11 Jul 1962 00:00:00.000000 | 2438380.300000 16 Dec 1963 19:12:00.000000 | 12.460 | 7.780 |
| CT | B A Carter | 189 | 2438221.600000 11 Jul 1963 02:24:00.000000 | 2440569.200000 13 Dec 1969 16:48:00.000000 | 12.470 | 7.240 |
| KX | O J Knox | 148 | 2440037.500000 30 Jun 1968 00:00:00.000000 | 2441650.300000 28 Nov 1972 19:12:00.000000 | 12.600 | 7.340 |
| WS | E J W West | 3 | 2448865.443700 30 Aug 1992 22:38:55.680000 | 2448911.387500 15 Oct 1992 21:18:00.000000 | 10.700 | 8.300 |
| VP | P Veleshchuk | 7 | 2450606.500000 7 Jun 1997 00:00:00.000000 | 2450661.500000 1 Aug 1997 00:00:00.000000 | 9.600 | 7.400 |
| BHG | B H Granslo | 1 | 2450880.670000 8 Mar 1998 04:04:48.000000 | 2450880.670000 8 Mar 1998 04:04:48.000000 | 10.400 | 10.400 |
| ARB | A R Baransky | 1 | 2451039.500000 14 Aug 1998 00:00:00.000000 | 2451039.500000 14 Aug 1998 00:00:00.000000 | 8.300 | 8.300 |
| AX | C M Allen | 17 | 2454031.291700 22 Oct 2006 19:00:02.880000 | 2456151.409000 11 Aug 2012 21:48:57.600000 | 12.700 | 8.400 |
| QM | T Markham | 1 | 2457219.507000 16 Jul 2015 00:10:04.800000 | 2457219.507000 16 Jul 2015 00:10:04.800000 | 8.800 | 8.800 |
| AG | S W Albrighton | 3 | 2458298.465000 28 Jun 2018 23:09:36.000000 | 2459859.396000 6 Oct 2022 21:30:14.400000 | 11.600 | 7.900 |
| GPF | G Fleming | 1 | 2458819.290960 1 Dec 2019 18:58:58.944000 | 2458819.290960 1 Dec 2019 18:58:58.944000 | 11.189 | 11.189 |