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British Astronomical Association Supporting amateur astronomers since 1890 |
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Total observations: | 6,728 | Minimum magnitude: | 17.174 | Maximum magnitude: | 8.400 | ||
First observation: | JD 2412427.500000 | \ | 25 Nov 1892 00:00:00.000000 UT | Latest observation: | JD 2460521.438000 | \ | 29 Jul 2024 22:30:43.200000 UT |
Observation Method | Number of Observations |
---|---|
Visual | 6,636 |
CCD | 62 |
DSLR | 17 |
CMOS | 13 |
Observer Id | Observer Name | Number of Observations | First Observation JD / UT | Latest Observation JD / UT | Minimum Magnitude | Maximum Magnitude |
---|---|---|---|---|---|---|
WFH | W F H Waterfield | 110 | 2423227.000000 21 Jun 1922 12:00:00.000000 | 2424704.000000 7 Jul 1926 12:00:00.000000 | 15.300 | 9.760 |
SA | F Sargent | 133 | 2423428.000000 8 Jan 1923 12:00:00.000000 | 2427781.000000 9 Dec 1934 12:00:00.000000 | 13.500 | 9.600 |
LI | W M Lindley | 228 | 2423524.000000 14 Apr 1923 12:00:00.000000 | 2429488.400000 12 Aug 1939 21:36:00.000000 | 14.310 | 9.080 |
PH | T E R Phillips | 74 | 2423582.000000 11 Jun 1923 12:00:00.000000 | 2425911.000000 26 Oct 1929 12:00:00.000000 | 15.200 | 9.360 |
LE | G H Lepper | 16 | 2423727.000000 3 Nov 1923 12:00:00.000000 | 2424769.000000 10 Sep 1926 12:00:00.000000 | 12.800 | 9.900 |
BL | J Van Der Bilt | 57 | 2423796.000000 11 Jan 1924 12:00:00.000000 | 2427679.000000 29 Aug 1934 12:00:00.000000 | 13.500 | 9.600 |
BN | A N Brown | 24 | 2423817.000000 1 Feb 1924 12:00:00.000000 | 2425445.000000 17 Jul 1928 12:00:00.000000 | 13.490 | 10.100 |
HA | G P B Hallowes | 209 | 2423995.000000 28 Jul 1924 12:00:00.000000 | 2426626.000000 11 Oct 1931 12:00:00.000000 | 15.200 | 9.240 |
BK | T P Bhaskaran | 63 | 2424058.000000 29 Sep 1924 12:00:00.000000 | 2425964.000000 18 Dec 1929 12:00:00.000000 | 15.400 | 9.970 |
BA | M K Bappu | 211 | 2424124.000000 4 Dec 1924 12:00:00.000000 | 2431064.200000 5 Dec 1943 16:48:00.000000 | 15.100 | 9.540 |
SV | W H Steavenson | 173 | 2424315.000000 13 Jun 1925 12:00:00.000000 | 2427422.000000 15 Dec 1933 12:00:00.000000 | 15.800 | 9.970 |
CA | R G Chandra | 41 | 2425030.000000 29 May 1927 12:00:00.000000 | 2429626.000000 28 Dec 1939 12:00:00.000000 | 13.290 | 9.370 |
SH | W L Shepherd | 171 | 2425197.000000 12 Nov 1927 12:00:00.000000 | 2433953.300000 2 Nov 1951 19:12:00.000000 | 15.200 | 9.900 |
LH | A W Lane-Hall | 39 | 2425997.000000 20 Jan 1930 12:00:00.000000 | 2427515.000000 18 Mar 1934 12:00:00.000000 | 14.310 | 9.770 |
D | F De Roy | 77 | 2426392.000000 19 Feb 1931 12:00:00.000000 | 2427779.000000 7 Dec 1934 12:00:00.000000 | 13.700 | 10.400 |
LM | G P Lishman | 43 | 2427270.000000 16 Jul 1933 12:00:00.000000 | 2427775.000000 3 Dec 1934 12:00:00.000000 | 13.700 | 9.800 |
HL | F M Holborn | 226 | 2427803.000000 31 Dec 1934 12:00:00.000000 | 2436924.300000 21 Dec 1959 19:12:00.000000 | 14.800 | 9.700 |
KT | N F H Knight | 3 | 2429275.300000 11 Jan 1939 19:12:00.000000 | 2429363.600000 10 Apr 1939 02:24:00.000000 | 13.000 | 10.600 |
WL | H Wildey | 90 | 2429276.300000 12 Jan 1939 19:12:00.000000 | 2432813.400000 18 Sep 1948 21:36:00.000000 | 15.000 | 9.900 |
BZ | J R Bazin | 61 | 2431492.300000 5 Feb 1945 19:12:00.000000 | 2433945.400000 25 Oct 1951 21:36:00.000000 | 13.900 | 9.200 |
CX | H W Cox | 120 | 2431685.400000 17 Aug 1945 21:36:00.000000 | 2432183.300000 28 Dec 1946 19:12:00.000000 | 14.700 | 9.900 |
CO | E H Collinson | 18 | 2431694.500000 27 Aug 1945 00:00:00.000000 | 2432158.500000 4 Dec 1946 00:00:00.000000 | 13.300 | 10.200 |
FR | J Friends | 19 | 2434224.500000 31 Jul 1952 00:00:00.000000 | 2438346.500000 13 Nov 1963 00:00:00.000000 | 12.400 | 9.800 |
MU | C R Munford | 375 | 2436487.400000 10 Oct 1958 21:36:00.000000 | 2446407.288100 7 Dec 1985 18:54:51.840000 | 13.900 | 9.300 |
CT | B A Carter | 253 | 2437382.500000 24 Mar 1961 00:00:00.000000 | 2440578.200000 22 Dec 1969 16:48:00.000000 | 15.000 | 9.200 |
PN | M V Penston | 10 | 2437639.400000 5 Dec 1961 21:36:00.000000 | 2438349.400000 15 Nov 1963 21:36:00.000000 | 13.300 | 10.200 |
DX | P G Dixon | 2 | 2438349.400000 15 Nov 1963 21:36:00.000000 | 2438356.400000 22 Nov 1963 21:36:00.000000 | 11.600 | 11.600 |
SP | G H Spalding | 26 | 2439859.300000 3 Jan 1968 19:12:00.000000 | 2442817.361100 8 Feb 1976 20:39:59.040000 | 12.300 | 9.500 |
XXX | 9 | 2440158.500000 29 Oct 1968 00:00:00.000000 | 2440187.600000 27 Nov 1968 02:24:00.000000 | 13.900 | 11.500 | |
HI | G P Hawkins | 41 | 2441525.400000 26 Jul 1972 21:36:00.000000 | 2442047.400000 30 Dec 1973 21:36:00.000000 | 14.600 | 10.100 |
PU | T Plunkett | 15 | 2441544.400000 14 Aug 1972 21:36:00.000000 | 2441629.400000 7 Nov 1972 21:36:00.000000 | 13.300 | 10.100 |
PT | R A H Paterson | 360 | 2441630.500000 9 Nov 1972 00:00:00.000000 | 2459518.337000 30 Oct 2021 20:05:16.800000 | 15.400 | 9.900 |
VA | D Vest-Askew | 10 | 2441646.300000 24 Nov 1972 19:12:00.000000 | 2441956.400000 30 Sep 1973 21:36:00.000000 | 13.300 | 10.000 |
BP | J A Bailey | 18 | 2441827.600000 25 May 1973 02:24:00.000000 | 2442793.309000 15 Jan 1976 19:24:57.600000 | 12.900 | 10.100 |
HY | P W Hornby | 1 | 2441827.600000 25 May 1973 02:24:00.000000 | 2441827.600000 25 May 1973 02:24:00.000000 | 11.000 | 11.000 |
HH | I D Howarth | 13 | 2441836.500000 3 Jun 1973 00:00:00.000000 | 2442301.300000 10 Sep 1974 19:12:00.000000 | 14.600 | 11.000 |
RE | N Reid | 3 | 2442058.400000 10 Jan 1974 21:36:00.000000 | 2442125.400000 18 Mar 1974 21:36:00.000000 | 9.500 | 8.400 |
LL | R L Lyon | 140 | 2442253.400000 24 Jul 1974 21:36:00.000000 | 2444868.388800 20 Sep 1981 21:19:52.320000 | 15.000 | 10.100 |
AD | S J Anderson | 2 | 2442304.500000 14 Sep 1974 00:00:00.000000 | 2442310.400000 19 Sep 1974 21:36:00.000000 | 13.900 | 13.300 |
MX | L R Matthews | 1 | 2442537.400000 4 May 1975 21:36:00.000000 | 2442537.400000 4 May 1975 21:36:00.000000 | 11.500 | 11.500 |
RT | D A Rothery | 1 | 2442723.400000 6 Nov 1975 21:36:00.000000 | 2442723.400000 6 Nov 1975 21:36:00.000000 | 14.000 | 14.000 |
PO | A K Porter | 1 | 2442773.400000 26 Dec 1975 21:36:00.000000 | 2442773.400000 26 Dec 1975 21:36:00.000000 | 12.300 | 12.300 |
BT | G K Broadbent | 6 | 2442781.340200 3 Jan 1976 20:09:53.280000 | 2443111.267300 28 Nov 1976 18:24:54.720000 | 13.990 | 11.580 |
DT | D Stott | 653 | 2443243.500000 10 Apr 1977 00:00:00.000000 | 2448038.402000 26 May 1990 21:38:52.800000 | 14.710 | 9.720 |
GJ | R J Godden | 44 | 2443327.600000 3 Jul 1977 02:24:00.000000 | 2445549.600000 3 Aug 1983 02:24:00.000000 | 13.900 | 9.780 |
WV | P B Withers | 412 | 2443344.500000 20 Jul 1977 00:00:00.000000 | 2460521.438000 29 Jul 2024 22:30:43.200000 | 15.000 | 9.300 |
HO | A J Hollis | 5 | 2443400.400000 13 Sep 1977 21:36:00.000000 | 2443839.300000 26 Nov 1978 19:12:00.000000 | 12.900 | 9.800 |
PB | M Peel | 1 | 2443424.500000 8 Oct 1977 00:00:00.000000 | 2443424.500000 8 Oct 1977 00:00:00.000000 | 12.000 | 12.000 |
OO | A Snook | 26 | 2443430.400000 13 Oct 1977 21:36:00.000000 | 2444161.400000 14 Oct 1979 21:36:00.000000 | 12.800 | 9.600 |
AG | S W Albrighton | 162 | 2443451.400000 3 Nov 1977 21:36:00.000000 | 2459006.483000 5 Jun 2020 23:35:31.200000 | 14.310 | 9.700 |
RHF | R B I Fraser | 8 | 2443522.300000 13 Jan 1978 19:12:00.000000 | 2443996.500000 3 May 1979 00:00:00.000000 | 12.700 | 11.700 |
GH | T Gough | 11 | 2443522.500000 14 Jan 1978 00:00:00.000000 | 2443927.300000 22 Feb 1979 19:12:00.000000 | 14.600 | 10.800 |
NR | R H Mcnaught | 1 | 2443539.300000 30 Jan 1978 19:12:00.000000 | 2443539.300000 30 Jan 1978 19:12:00.000000 | 14.100 | 14.100 |
SW | D R B Saw | 19 | 2444146.300000 29 Sep 1979 19:12:00.000000 | 2444909.315900 31 Oct 1981 19:34:53.760000 | 14.410 | 10.130 |
KJ | S J Kay | 27 | 2444146.400000 29 Sep 1979 21:36:00.000000 | 2444818.444400 1 Aug 1981 22:39:56.160000 | 14.000 | 9.810 |
GD | M J Gainsford | 891 | 2444167.400000 20 Oct 1979 21:36:00.000000 | 2456925.374000 24 Sep 2014 20:58:33.600000 | 14.410 | 9.370 |
XE | A T A Bueno | 19 | 2444214.700000 7 Dec 1979 04:48:00.000000 | 2445666.700000 28 Nov 1983 04:48:00.000000 | 14.300 | 9.800 |
GC | G A V Coady | 29 | 2444517.400000 4 Oct 1980 21:36:00.000000 | 2449658.298600 1 Nov 1994 19:09:59.040000 | 13.970 | 10.300 |
FF | H Feijth | 3 | 2444749.500000 25 May 1981 00:00:00.000000 | 2444814.916600 29 Jul 1981 09:59:54.240000 | 13.480 | 11.060 |
OZ | D Couzin | 13 | 2445233.458300 20 Sep 1982 22:59:57.120000 | 2445319.357600 15 Dec 1982 20:34:56.640000 | 13.290 | 11.830 |
EJ | J W L Ells | 19 | 2445314.412500 10 Dec 1982 21:54:00.000000 | 2445723.300000 23 Jan 1984 19:12:00.000000 | 14.310 | 9.480 |
PI | R D Pickard | 8 | 2445604.400000 26 Sep 1983 21:36:00.000000 | 2451465.431200 13 Oct 1999 22:20:55.680000 | 13.870 | 10.070 |
IH | G Hirst | 5 | 2445615.300000 7 Oct 1983 19:12:00.000000 | 2445699.300000 30 Dec 1983 19:12:00.000000 | 14.500 | 11.100 |
UL | S J Lubbock | 136 | 2445636.400000 28 Oct 1983 21:36:00.000000 | 2447302.455500 20 May 1988 22:55:55.200000 | 14.900 | 9.480 |
CH | R H Chambers | 18 | 2445653.400000 14 Nov 1983 21:36:00.000000 | 2447361.416600 18 Jul 1988 21:59:54.240000 | 13.870 | 9.160 |
ZK | M A Brookes | 10 | 2446253.570100 7 Jul 1985 01:40:56.640000 | 2446429.284700 29 Dec 1985 18:49:58.080000 | 13.290 | 10.140 |
HDI | I Howard-Duff | 1 | 2446270.451300 23 Jul 1985 22:49:52.320000 | 2446270.451300 23 Jul 1985 22:49:52.320000 | 13.290 | 13.290 |
EJD | E G D Youngs | 8 | 2446771.329800 6 Dec 1986 19:54:54.720000 | 2447854.336800 23 Nov 1989 20:04:59.520000 | 13.290 | 12.800 |
IS | J E Isles | 45 | 2446964.504100 18 Jun 1987 00:05:54.240000 | 2447853.227000 22 Nov 1989 17:26:52.800000 | 13.410 | 10.170 |
XG | G Poyner | 96 | 2447348.453400 5 Jul 1988 22:52:53.760000 | 2449460.531000 18 Apr 1994 00:44:38.400000 | 15.900 | 9.600 |
CPJ | C P Jones | 59 | 2447653.593000 7 May 1989 02:13:55.200000 | 2451577.279800 2 Feb 2000 18:42:54.720000 | 15.700 | 9.770 |
DR | R C Dryden | 359 | 2448250.288100 24 Dec 1990 18:54:51.840000 | 2460298.287000 19 Dec 2023 18:53:16.800000 | 15.400 | 9.500 |
MIG | M Gill | 5 | 2449562.479800 28 Jul 1994 23:30:54.720000 | 2449935.606200 6 Aug 1995 02:32:55.680000 | 12.800 | 11.710 |
SAL | G W Salmon | 13 | 2452514.407600 27 Aug 2002 21:46:56.640000 | 2452940.355600 27 Oct 2003 20:32:03.840000 | 12.800 | 9.300 |
JMP | J De Morae Pereira | 5 | 2412427.500000 25 Nov 1892 00:00:00.000000 | 2412826.500000 29 Dec 1893 00:00:00.000000 | 11.000 | 10.200 |
AX | C M Allen | 8 | 2454771.416000 31 Oct 2008 21:59:02.400000 | 2455569.255600 7 Jan 2011 18:08:03.840000 | 14.600 | 10.800 |
BCP | C D Beech | 48 | 2454728.427100 18 Sep 2008 22:15:01.440000 | 2455770.525000 28 Jul 2011 00:36:00.000000 | 13.300 | 10.000 |
BJ | B J Beesley | 15 | 2455144.472900 8 Nov 2009 23:20:58.560000 | 2455516.402800 15 Nov 2010 21:40:01.920000 | 14.900 | 10.800 |
HUL | V Hull | 9 | 2456521.560000 17 Aug 2013 01:26:24.000000 | 2457296.407800 30 Sep 2015 21:47:13.920000 | 14.300 | 13.700 |
DMS | D Matthews | 17 | 2457953.493750 18 Jul 2017 23:51:00.000000 | 2458115.393750 27 Dec 2017 21:27:00.000000 | 13.380 | 10.080 |
GPF | G Fleming | 26 | 2458748.470700 21 Sep 2019 23:17:48.480000 | 2460233.343850 15 Oct 2023 20:15:08.640000 | 17.174 | 11.263 |
IWT | I L Walton | 1 | 2460438.609740 8 May 2024 02:38:01.536000 | 2460438.609740 8 May 2024 02:38:01.536000 | 15.701 | 15.701 |