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British Astronomical Association Supporting amateur astronomers since 1890 |
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Total observations: | 6,180 | Minimum magnitude: | 14.570 | Maximum magnitude: | 7.650 | ||
First observation: | JD 2412248.500000 | \ | 30 May 1892 00:00:00.000000 UT | Latest observation: | JD 2460529.455098 | \ | 6 Aug 2024 22:55:20.467200 UT |
Observation Method | Number of Observations |
---|---|
Visual | 5,805 |
CCD | 37 |
CMOS | 338 |
Observer Id | Observer Name | Number of Observations | First Observation JD / UT | Latest Observation JD / UT | Minimum Magnitude | Maximum Magnitude |
---|---|---|---|---|---|---|
JMP | J De Morae Pereira | 72 | 2412248.500000 30 May 1892 00:00:00.000000 | 2413542.500000 15 Dec 1895 00:00:00.000000 | 13.100 | 8.600 |
ABX | A Brun | 111 | 2422055.000000 6 Apr 1919 12:00:00.000000 | 2423014.000000 20 Nov 1921 12:00:00.000000 | 12.800 | 8.010 |
NI | A A Nijland | 343 | 2422335.000000 11 Jan 1920 12:00:00.000000 | 2427780.000000 8 Dec 1934 12:00:00.000000 | 14.200 | 7.900 |
MG | G Merton | 24 | 2422533.000000 27 Jul 1920 12:00:00.000000 | 2422808.000000 28 Apr 1921 12:00:00.000000 | 13.300 | 8.250 |
GI | N V Ginori | 48 | 2422578.000000 10 Sep 1920 12:00:00.000000 | 2423610.000000 9 Jul 1923 12:00:00.000000 | 13.500 | 8.050 |
BO | J J Bougon | 77 | 2422632.000000 3 Nov 1920 12:00:00.000000 | 2423415.000000 26 Dec 1922 12:00:00.000000 | 13.300 | 8.200 |
BH | C F Butterworth | 1,290 | 2422714.000000 24 Jan 1921 12:00:00.000000 | 2430077.400000 23 Mar 1941 21:36:00.000000 | 13.800 | 7.950 |
LI | W M Lindley | 215 | 2422735.000000 14 Feb 1921 12:00:00.000000 | 2429374.400000 20 Apr 1939 21:36:00.000000 | 13.230 | 7.990 |
GRH | H R Grimwood | 62 | 2422757.000000 8 Mar 1921 12:00:00.000000 | 2423737.000000 13 Nov 1923 12:00:00.000000 | 12.800 | 7.950 |
WFH | W F H Waterfield | 149 | 2422839.000000 29 May 1921 12:00:00.000000 | 2424704.000000 7 Jul 1926 12:00:00.000000 | 14.570 | 7.950 |
SA | F Sargent | 180 | 2423103.000000 17 Feb 1922 12:00:00.000000 | 2426331.000000 20 Dec 1930 12:00:00.000000 | 13.100 | 8.050 |
CA | R G Chandra | 95 | 2423229.000000 23 Jun 1922 12:00:00.000000 | 2429591.400000 23 Nov 1939 21:36:00.000000 | 11.500 | 8.050 |
ADX | H B Adames | 5 | 2423274.000000 7 Aug 1922 12:00:00.000000 | 2423309.000000 11 Sep 1922 12:00:00.000000 | 12.200 | 10.020 |
LE | G H Lepper | 73 | 2423383.000000 24 Nov 1922 12:00:00.000000 | 2424825.000000 5 Nov 1926 12:00:00.000000 | 12.800 | 7.920 |
PH | T E R Phillips | 46 | 2423627.000000 26 Jul 1923 12:00:00.000000 | 2425408.000000 10 Jun 1928 12:00:00.000000 | 14.440 | 7.950 |
BA | M K Bappu | 57 | 2424204.000000 22 Feb 1925 12:00:00.000000 | 2425212.000000 27 Nov 1927 12:00:00.000000 | 13.800 | 7.650 |
BK | T P Bhaskaran | 11 | 2424311.000000 9 Jun 1925 12:00:00.000000 | 2425051.000000 19 Jun 1927 12:00:00.000000 | 13.400 | 8.150 |
WB | H Webber | 123 | 2424351.000000 19 Jul 1925 12:00:00.000000 | 2428396.500000 16 Aug 1936 00:00:00.000000 | 12.800 | 7.850 |
SV | W H Steavenson | 94 | 2424448.000000 24 Oct 1925 12:00:00.000000 | 2427684.000000 3 Sep 1934 12:00:00.000000 | 13.660 | 7.950 |
HA | G P B Hallowes | 100 | 2424498.000000 13 Dec 1925 12:00:00.000000 | 2426270.000000 20 Oct 1930 12:00:00.000000 | 13.860 | 7.700 |
BN | A N Brown | 187 | 2424522.000000 6 Jan 1926 12:00:00.000000 | 2427694.000000 13 Sep 1934 12:00:00.000000 | 13.100 | 8.050 |
WO | H Whichello | 93 | 2424610.000000 4 Apr 1926 12:00:00.000000 | 2428018.500000 4 Aug 1935 00:00:00.000000 | 12.800 | 7.950 |
LH | A W Lane-Hall | 96 | 2425624.000000 12 Jan 1929 12:00:00.000000 | 2427515.000000 18 Mar 1934 12:00:00.000000 | 12.200 | 8.150 |
D | F De Roy | 100 | 2426392.000000 19 Feb 1931 12:00:00.000000 | 2427783.000000 11 Dec 1934 12:00:00.000000 | 13.400 | 8.260 |
AY | F Addey | 3 | 2427035.000000 23 Nov 1932 12:00:00.000000 | 2427887.400000 25 Mar 1935 21:36:00.000000 | 10.710 | 8.680 |
HL | F M Holborn | 307 | 2428251.500000 24 Mar 1936 00:00:00.000000 | 2436905.400000 2 Dec 1959 21:36:00.000000 | 14.300 | 7.950 |
WL | H Wildey | 409 | 2428611.400000 18 Mar 1937 21:36:00.000000 | 2432851.400000 26 Oct 1948 21:36:00.000000 | 13.360 | 8.250 |
KT | N F H Knight | 98 | 2428657.400000 3 May 1937 21:36:00.000000 | 2432186.400000 31 Dec 1946 21:36:00.000000 | 13.020 | 8.350 |
BZ | J R Bazin | 90 | 2431358.400000 24 Sep 1944 21:36:00.000000 | 2433365.400000 24 Mar 1950 21:36:00.000000 | 12.940 | 8.330 |
SH | W L Shepherd | 108 | 2431514.400000 27 Feb 1945 21:36:00.000000 | 2433943.300000 23 Oct 1951 19:12:00.000000 | 13.700 | 8.250 |
HE | A Heath | 34 | 2431711.400000 12 Sep 1945 21:36:00.000000 | 2432117.300000 23 Oct 1946 19:12:00.000000 | 11.760 | 8.250 |
AN | R G Andrews | 117 | 2433456.500000 24 Jun 1950 00:00:00.000000 | 2436924.500000 22 Dec 1959 00:00:00.000000 | 13.860 | 7.950 |
FR | J Friends | 124 | 2433813.500000 16 Jun 1951 00:00:00.000000 | 2439378.400000 9 Sep 1966 21:36:00.000000 | 11.920 | 7.980 |
RO | F A Roper | 280 | 2433841.500000 14 Jul 1951 00:00:00.000000 | 2438382.300000 18 Dec 1963 19:12:00.000000 | 13.100 | 8.140 |
GR | R F Griffin | 85 | 2435005.400000 19 Sep 1954 21:36:00.000000 | 2435800.400000 22 Nov 1956 21:36:00.000000 | 13.300 | 8.340 |
CT | B A Carter | 234 | 2438346.500000 13 Nov 1963 00:00:00.000000 | 2440555.600000 30 Nov 1969 02:24:00.000000 | 13.700 | 8.050 |
JN | R H Jones | 49 | 2438764.500000 4 Jan 1965 00:00:00.000000 | 2439125.400000 30 Dec 1965 21:36:00.000000 | 12.400 | 8.050 |
IS | J E Isles | 1 | 2438870.400000 19 Apr 1965 21:36:00.000000 | 2438870.400000 19 Apr 1965 21:36:00.000000 | 8.830 | 8.830 |
ARB | A R Baransky | 50 | 2449830.400000 22 Apr 1995 21:36:00.000000 | 2450930.500000 27 Apr 1998 00:00:00.000000 | 12.400 | 8.400 |
RJB | R J Bouma | 76 | 2450316.400000 20 Aug 1996 21:36:00.000000 | 2451901.400000 22 Dec 2000 21:36:00.000000 | 13.200 | 8.200 |
BHG | B H Granslo | 12 | 2450665.450000 4 Aug 1997 22:48:00.000000 | 2451272.480000 3 Apr 1999 23:31:12.000000 | 12.500 | 8.400 |
AX | C M Allen | 47 | 2454576.418800 19 Apr 2008 22:03:04.320000 | 2455839.420800 4 Oct 2011 22:05:57.120000 | 13.500 | 8.000 |
BCP | C D Beech | 2 | 2457846.430130 2 Apr 2017 22:19:23.232000 | 2457849.427920 5 Apr 2017 22:16:12.288000 | 11.022 | 10.992 |
AG | S W Albrighton | 30 | 2458165.316000 15 Feb 2018 19:35:02.400000 | 2460327.375000 17 Jan 2024 21:00:00.000000 | 11.200 | 8.700 |
GPF | G Fleming | 56 | 2458593.423650 19 Apr 2019 22:10:03.360000 | 2460037.383970 2 Apr 2023 21:12:55.008000 | 12.322 | 8.778 |
CWS | C Watkins | 317 | 2459950.740839 6 Jan 2023 05:46:48.489600 | 2460529.455098 6 Aug 2024 22:55:20.467200 | 12.829 | 8.671 |