Supporting amateur astronomers since 1890
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British Astronomical Association Supporting amateur astronomers since 1890 |
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| Total observations: | 6,746 | Minimum magnitude: | 13.900 | Maximum magnitude: | 6.400 | ||
| First observation: | JD 2399478.500000 | \ | 13 Jun 1857 00:00:00.000000 UT | Latest observation: | JD 2460187.399240 | \ | 30 Aug 2023 21:34:54.336000 UT |
| Observation Method | Number of Observations |
|---|---|
| Visual | 6,724 |
| CCD | 22 |
| Observer Id | Observer Name | Number of Observations | First Observation JD / UT | Latest Observation JD / UT | Minimum Magnitude | Maximum Magnitude |
|---|---|---|---|---|---|---|
| MK | E E Markwick | 201 | 2414909.000000 11 Sep 1899 12:00:00.000000 | 2424016.000000 18 Aug 1924 12:00:00.000000 | 13.200 | 6.500 |
| ORR | M A Orr | 9 | 2415216.000000 15 Jul 1900 12:00:00.000000 | 2415496.000000 21 Apr 1901 12:00:00.000000 | 9.080 | 6.670 |
| XK | A King | 5 | 2415219.000000 18 Jul 1900 12:00:00.000000 | 2415253.000000 21 Aug 1900 12:00:00.000000 | 7.810 | 6.670 |
| CHJ | J W L Child | 24 | 2415469.000000 25 Mar 1901 12:00:00.000000 | 2415960.000000 29 Jul 1902 12:00:00.000000 | 11.800 | 6.810 |
| RY | P M Ryves | 209 | 2416958.000000 22 Apr 1905 12:00:00.000000 | 2424413.000000 19 Sep 1925 12:00:00.000000 | 13.100 | 6.810 |
| BN | A N Brown | 775 | 2417705.000000 9 May 1907 12:00:00.000000 | 2427723.000000 12 Oct 1934 12:00:00.000000 | 13.600 | 6.520 |
| GDX | J A Greenwood | 9 | 2417755.000000 28 Jun 1907 12:00:00.000000 | 2418232.000000 17 Oct 1908 12:00:00.000000 | 12.900 | 7.000 |
| OF | J M Offord | 14 | 2417761.000000 4 Jul 1907 12:00:00.000000 | 2418218.000000 3 Oct 1908 12:00:00.000000 | 13.200 | 8.150 |
| BC | C L Brook | 12 | 2417809.000000 21 Aug 1907 12:00:00.000000 | 2419297.000000 17 Sep 1911 12:00:00.000000 | 13.000 | 8.200 |
| D | F De Roy | 423 | 2418040.000000 8 Apr 1908 12:00:00.000000 | 2427753.000000 11 Nov 1934 12:00:00.000000 | 13.250 | 6.830 |
| WLX | W M Worsell | 2 | 2419148.000000 21 Apr 1911 12:00:00.000000 | 2419157.000000 30 Apr 1911 12:00:00.000000 | 7.900 | 7.830 |
| CRX | F R Cripps | 8 | 2419181.000000 24 May 1911 12:00:00.000000 | 2420269.000000 16 May 1914 12:00:00.000000 | 10.840 | 8.200 |
| FGB | F G Brown | 17 | 2419181.000000 24 May 1911 12:00:00.000000 | 2419572.000000 18 Jun 1912 12:00:00.000000 | 11.900 | 8.000 |
| GHX | M E J Gheury | 24 | 2419192.000000 4 Jun 1911 12:00:00.000000 | 2420274.000000 21 May 1914 12:00:00.000000 | 12.600 | 8.660 |
| BH | C F Butterworth | 1,651 | 2419230.000000 12 Jul 1911 12:00:00.000000 | 2429995.490000 31 Dec 1940 23:45:36.000000 | 13.600 | 6.400 |
| GA | W T Gayfer | 84 | 2420242.000000 19 Apr 1914 12:00:00.000000 | 2434677.300000 26 Oct 1953 19:12:00.000000 | 13.000 | 7.500 |
| BCX | A B Burbeck | 13 | 2420294.000000 10 Jun 1914 12:00:00.000000 | 2420747.000000 6 Sep 1915 12:00:00.000000 | 10.430 | 8.000 |
| HTH | H Thomson | 35 | 2420652.000000 3 Jun 1915 12:00:00.000000 | 2422444.000000 29 Apr 1920 12:00:00.000000 | 13.100 | 6.660 |
| CHX | E K Church | 12 | 2420653.000000 4 Jun 1915 12:00:00.000000 | 2420699.000000 20 Jul 1915 12:00:00.000000 | 8.610 | 7.390 |
| ADX | H B Adames | 72 | 2420665.000000 16 Jun 1915 12:00:00.000000 | 2423363.000000 4 Nov 1922 12:00:00.000000 | 12.800 | 7.840 |
| LNX | J G Lincoln | 1 | 2421004.000000 20 May 1916 12:00:00.000000 | 2421004.000000 20 May 1916 12:00:00.000000 | 8.200 | 8.200 |
| WO | H Whichello | 97 | 2421331.000000 12 Apr 1917 12:00:00.000000 | 2426831.000000 3 May 1932 12:00:00.000000 | 12.900 | 7.000 |
| BO | J J Bougon | 81 | 2422180.000000 9 Aug 1919 12:00:00.000000 | 2423693.000000 30 Sep 1923 12:00:00.000000 | 12.680 | 6.760 |
| GI | N V Ginori | 52 | 2422520.000000 14 Jul 1920 12:00:00.000000 | 2423605.000000 4 Jul 1923 12:00:00.000000 | 12.050 | 7.400 |
| WI | J W Wilson | 40 | 2422574.000000 6 Sep 1920 12:00:00.000000 | 2424017.000000 19 Aug 1924 12:00:00.000000 | 12.400 | 8.000 |
| CA | R G Chandra | 33 | 2422869.000000 28 Jun 1921 12:00:00.000000 | 2429434.500000 20 Jun 1939 00:00:00.000000 | 13.000 | 7.500 |
| LI | W M Lindley | 135 | 2423622.000000 21 Jul 1923 12:00:00.000000 | 2432388.500000 22 Jul 1947 00:00:00.000000 | 13.600 | 7.200 |
| WB | H Webber | 83 | 2424412.000000 18 Sep 1925 12:00:00.000000 | 2427739.000000 28 Oct 1934 12:00:00.000000 | 13.600 | 6.930 |
| SI | H Simmons | 18 | 2424563.000000 16 Feb 1926 12:00:00.000000 | 2425111.000000 18 Aug 1927 12:00:00.000000 | 12.800 | 7.790 |
| WFH | W F H Waterfield | 4 | 2424681.000000 14 Jun 1926 12:00:00.000000 | 2424704.000000 7 Jul 1926 12:00:00.000000 | 9.850 | 9.580 |
| HL | F M Holborn | 566 | 2424727.000000 30 Jul 1926 12:00:00.000000 | 2436847.300000 5 Oct 1959 19:12:00.000000 | 13.900 | 7.200 |
| CB | H Cobb | 67 | 2425472.000000 13 Aug 1928 12:00:00.000000 | 2429493.500000 18 Aug 1939 00:00:00.000000 | 12.200 | 7.600 |
| HA | G P B Hallowes | 42 | 2425473.000000 14 Aug 1928 12:00:00.000000 | 2426593.000000 8 Sep 1931 12:00:00.000000 | 12.400 | 7.300 |
| LH | A W Lane-Hall | 77 | 2425722.000000 20 Apr 1929 12:00:00.000000 | 2427515.000000 18 Mar 1934 12:00:00.000000 | 13.300 | 7.510 |
| KX | O J Knox | 15 | 2425723.000000 21 Apr 1929 12:00:00.000000 | 2425876.000000 21 Sep 1929 12:00:00.000000 | 11.650 | 7.990 |
| SF | R C I Shinkfield | 27 | 2426940.000000 20 Aug 1932 12:00:00.000000 | 2439352.400000 14 Aug 1966 21:36:00.000000 | 13.600 | 7.200 |
| SN | W Strachan | 6 | 2427281.000000 27 Jul 1933 12:00:00.000000 | 2427327.000000 11 Sep 1933 12:00:00.000000 | 13.450 | 10.600 |
| WR | M L Webber | 12 | 2427565.000000 7 May 1934 12:00:00.000000 | 2427663.000000 13 Aug 1934 12:00:00.000000 | 13.180 | 10.290 |
| KT | N F H Knight | 51 | 2429287.800000 24 Jan 1939 07:12:00.000000 | 2432180.800000 26 Dec 1946 07:12:00.000000 | 13.400 | 6.900 |
| BZ | J R Bazin | 170 | 2429373.500000 20 Apr 1939 00:00:00.000000 | 2433942.400000 22 Oct 1951 21:36:00.000000 | 13.700 | 6.800 |
| HV | P Harvey | 49 | 2429406.500000 23 May 1939 00:00:00.000000 | 2429927.300000 24 Oct 1940 19:12:00.000000 | 13.300 | 8.100 |
| KN | M D Kirkman | 37 | 2429776.500000 27 May 1940 00:00:00.000000 | 2430306.300000 7 Nov 1941 19:12:00.000000 | 12.900 | 7.300 |
| HE | A Heath | 12 | 2432009.400000 7 Jul 1946 21:36:00.000000 | 2432147.300000 22 Nov 1946 19:12:00.000000 | 11.800 | 7.600 |
| KI | H C King | 1 | 2432186.490000 31 Dec 1946 23:45:36.000000 | 2432186.490000 31 Dec 1946 23:45:36.000000 | 8.600 | 8.600 |
| BF | E F Bunt | 10 | 2432759.400000 26 Jul 1948 21:36:00.000000 | 2432832.300000 7 Oct 1948 19:12:00.000000 | 10.100 | 8.500 |
| SH | W L Shepherd | 17 | 2433412.500000 11 May 1950 00:00:00.000000 | 2433945.300000 25 Oct 1951 19:12:00.000000 | 13.100 | 8.200 |
| AN | R G Andrews | 132 | 2433505.500000 12 Aug 1950 00:00:00.000000 | 2436867.300000 25 Oct 1959 19:12:00.000000 | 13.600 | 6.600 |
| FR | J Friends | 33 | 2434154.500000 22 May 1952 00:00:00.000000 | 2438321.400000 18 Oct 1963 21:36:00.000000 | 11.800 | 7.100 |
| AT | L W R W Atcherley | 4 | 2434986.400000 31 Aug 1954 21:36:00.000000 | 2435018.300000 2 Oct 1954 19:12:00.000000 | 10.700 | 9.700 |
| MU | C R Munford | 194 | 2435599.500000 6 May 1956 00:00:00.000000 | 2441239.300000 14 Oct 1971 19:12:00.000000 | 13.700 | 6.400 |
| CL | R D Campbell | 9 | 2435898.500000 1 Mar 1957 00:00:00.000000 | 2435957.500000 29 Apr 1957 00:00:00.000000 | 11.500 | 8.300 |
| SD | J Shepherd | 79 | 2436840.300000 28 Sep 1959 19:12:00.000000 | 2439647.500000 6 Jun 1967 00:00:00.000000 | 12.700 | 6.800 |
| CT | B A Carter | 367 | 2437380.600000 22 Mar 1961 02:24:00.000000 | 2440541.300000 15 Nov 1969 19:12:00.000000 | 13.900 | 6.400 |
| HO | A J Hollis | 53 | 2438932.500000 21 Jun 1965 00:00:00.000000 | 2440554.300000 28 Nov 1969 19:12:00.000000 | 12.800 | 7.600 |
| NB | N D Butterworth | 48 | 2439287.600000 11 Jun 1966 02:24:00.000000 | 2440144.300000 14 Oct 1968 19:12:00.000000 | 13.600 | 8.300 |
| CY | J V Carey | 15 | 2439346.500000 9 Aug 1966 00:00:00.000000 | 2440041.400000 3 Jul 1968 21:36:00.000000 | 13.700 | 7.900 |
| PY | R W Payne | 9 | 2439689.500000 18 Jul 1967 00:00:00.000000 | 2439760.300000 26 Sep 1967 19:12:00.000000 | 13.400 | 10.000 |
| RJB | R J Bouma | 38 | 2450249.500000 15 Jun 1996 00:00:00.000000 | 2451835.300000 17 Oct 2000 19:12:00.000000 | 13.100 | 7.800 |
| VP | P Veleshchuk | 27 | 2450518.600000 11 Mar 1997 02:24:00.000000 | 2450628.400000 28 Jun 1997 21:36:00.000000 | 8.800 | 6.900 |
| ARB | A R Baransky | 1 | 2450540.500000 2 Apr 1997 00:00:00.000000 | 2450540.500000 2 Apr 1997 00:00:00.000000 | 8.500 | 8.500 |
| BHG | B H Granslo | 1 | 2450879.680000 7 Mar 1998 04:19:12.000000 | 2450879.680000 7 Mar 1998 04:19:12.000000 | 8.500 | 8.500 |
| VYE | I Vyecheslav | 24 | 2451278.420000 9 Apr 1999 22:04:48.000000 | 2451322.370000 23 May 1999 20:52:48.000000 | 12.100 | 10.900 |
| AX | C M Allen | 9 | 2453898.428500 11 Jun 2006 22:17:02.400000 | 2454031.305600 22 Oct 2006 19:20:03.840000 | 10.900 | 8.000 |
| GT | G T Buss | 3 | 2433185.347200 25 Sep 1949 20:19:58.080000 | 2433382.593800 11 Apr 1950 02:15:04.320000 | 8.800 | 7.300 |
| QM | T Markham | 23 | 2444114.514000 29 Aug 1979 00:20:09.600000 | 2457310.281000 14 Oct 2015 18:44:38.400000 | 9.500 | 6.800 |
| BAX | J Baxendell | 311 | 2399478.500000 13 Jun 1857 00:00:00.000000 | 2410227.500000 17 Nov 1886 00:00:00.000000 | 13.700 | 6.400 |
| TLH | T L Heywood | 11 | 2457600.431000 30 Jul 2016 22:20:38.400000 | 2458261.507000 23 May 2018 00:10:04.800000 | 8.900 | 7.700 |
| AG | S W Albrighton | 31 | 2458298.455000 28 Jun 2018 22:55:12.000000 | 2460116.458000 20 Jun 2023 22:59:31.200000 | 12.600 | 7.300 |
| GPF | G Fleming | 20 | 2458974.455680 4 May 2020 22:56:10.752000 | 2460187.399240 30 Aug 2023 21:34:54.336000 | 11.538 | 8.376 |
| PCL | P C Leyland | 2 | 2460169.471657 12 Aug 2023 23:19:11.164800 | 2460173.377454 16 Aug 2023 21:03:32.025600 | 9.978 | 8.026 |