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British Astronomical Association Supporting amateur astronomers since 1890 |
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Total observations: | 9,219 | Minimum magnitude: | 16.428 | Maximum magnitude: | 7.000 | ||
First observation: | JD 2412506.500000 | \ | 12 Feb 1893 00:00:00.000000 UT | Latest observation: | JD 2460517.485000 | \ | 25 Jul 2024 23:38:24.000000 UT |
Observation Method | Number of Observations |
---|---|
Visual | 9,121 |
CCD | 74 |
CMOS | 24 |
Observer Id | Observer Name | Number of Observations | First Observation JD / UT | Latest Observation JD / UT | Minimum Magnitude | Maximum Magnitude |
---|---|---|---|---|---|---|
WFH | W F H Waterfield | 146 | 2422823.000000 13 May 1921 12:00:00.000000 | 2424704.000000 7 Jul 1926 12:00:00.000000 | 15.300 | 7.040 |
SA | F Sargent | 250 | 2423057.000000 2 Jan 1922 12:00:00.000000 | 2429236.000000 3 Dec 1938 12:00:00.000000 | 13.560 | 7.470 |
NI | A A Nijland | 243 | 2423429.000000 9 Jan 1923 12:00:00.000000 | 2427787.000000 15 Dec 1934 12:00:00.000000 | 14.400 | 8.000 |
BH | C F Butterworth | 712 | 2423447.000000 27 Jan 1923 12:00:00.000000 | 2429878.437500 5 Sep 1940 22:30:00.000000 | 13.900 | 7.270 |
LI | W M Lindley | 149 | 2423518.000000 8 Apr 1923 12:00:00.000000 | 2429457.573600 13 Jul 1939 01:45:59.040000 | 14.330 | 7.000 |
PH | T E R Phillips | 24 | 2423593.000000 22 Jun 1923 12:00:00.000000 | 2425457.000000 29 Jul 1928 12:00:00.000000 | 14.330 | 7.270 |
LE | G H Lepper | 46 | 2423593.000000 22 Jun 1923 12:00:00.000000 | 2424796.000000 7 Oct 1926 12:00:00.000000 | 12.670 | 7.650 |
BN | A N Brown | 132 | 2423671.000000 8 Sep 1923 12:00:00.000000 | 2427504.000000 7 Mar 1934 12:00:00.000000 | 13.250 | 8.200 |
HA | G P B Hallowes | 204 | 2424063.000000 4 Oct 1924 12:00:00.000000 | 2426636.000000 21 Oct 1931 12:00:00.000000 | 15.330 | 8.050 |
BK | T P Bhaskaran | 56 | 2424118.000000 28 Nov 1924 12:00:00.000000 | 2426333.000000 22 Dec 1930 12:00:00.000000 | 14.900 | 8.400 |
BA | M K Bappu | 180 | 2424157.000000 6 Jan 1925 12:00:00.000000 | 2430725.082600 31 Dec 1942 13:58:56.640000 | 15.100 | 8.150 |
SV | W H Steavenson | 239 | 2424438.000000 14 Oct 1925 12:00:00.000000 | 2428423.000000 11 Sep 1936 12:00:00.000000 | 15.900 | 8.300 |
CA | R G Chandra | 70 | 2424770.000000 11 Sep 1926 12:00:00.000000 | 2429627.000000 29 Dec 1939 12:00:00.000000 | 14.220 | 8.300 |
LH | A W Lane-Hall | 54 | 2425628.000000 16 Jan 1929 12:00:00.000000 | 2427515.000000 18 Mar 1934 12:00:00.000000 | 13.450 | 8.500 |
D | F De Roy | 66 | 2426391.000000 18 Feb 1931 12:00:00.000000 | 2427803.000000 31 Dec 1934 12:00:00.000000 | 13.560 | 8.600 |
HL | F M Holborn | 234 | 2427799.000000 27 Dec 1934 12:00:00.000000 | 2437048.415900 23 Apr 1960 21:58:53.760000 | 14.800 | 8.600 |
CO | E H Collinson | 207 | 2427813.000000 10 Jan 1935 12:00:00.000000 | 2433953.500000 3 Nov 1951 00:00:00.000000 | 13.960 | 8.400 |
FY | R M Fry | 8 | 2427997.000000 13 Jul 1935 12:00:00.000000 | 2428105.000000 29 Oct 1935 12:00:00.000000 | 12.880 | 9.680 |
CZ | L A Cox | 72 | 2428847.534700 10 Nov 1937 00:49:58.080000 | 2429263.281200 30 Dec 1938 18:44:55.680000 | 14.200 | 9.030 |
CX | H W Cox | 286 | 2428847.541600 10 Nov 1937 00:59:54.240000 | 2432183.302000 28 Dec 1946 19:14:52.800000 | 15.000 | 8.600 |
WL | H Wildey | 139 | 2428987.375000 29 Mar 1938 21:00:00.000000 | 2432791.385400 27 Aug 1948 21:14:58.560000 | 14.600 | 8.200 |
KT | N F H Knight | 12 | 2429079.500000 30 Jun 1938 00:00:00.000000 | 2429315.430500 20 Feb 1939 22:19:55.200000 | 13.200 | 9.340 |
TC | G D R Tucker | 23 | 2430513.625000 3 Jun 1942 03:00:00.000000 | 2430698.312500 4 Dec 1942 19:30:00.000000 | 13.200 | 8.300 |
SH | W L Shepherd | 145 | 2431384.000000 20 Oct 1944 12:00:00.000000 | 2433943.440900 23 Oct 1951 22:34:53.760000 | 14.900 | 8.450 |
BZ | J R Bazin | 89 | 2431475.416600 19 Jan 1945 21:59:54.240000 | 2433945.402700 25 Oct 1951 21:39:53.280000 | 13.560 | 8.360 |
MF | W Maffett | 44 | 2436473.500000 27 Sep 1958 00:00:00.000000 | 2437740.319400 16 Mar 1962 19:39:56.160000 | 13.630 | 9.390 |
MU | C R Munford | 413 | 2436487.458300 10 Oct 1958 22:59:57.120000 | 2446407.340200 7 Dec 1985 20:09:53.280000 | 13.860 | 9.130 |
JO | H Joy | 1 | 2436495.388800 18 Oct 1958 21:19:52.320000 | 2436495.388800 18 Oct 1958 21:19:52.320000 | 10.260 | 10.260 |
PN | M V Penston | 7 | 2437693.395800 28 Jan 1962 21:29:57.120000 | 2438089.437500 28 Feb 1963 22:30:00.000000 | 12.610 | 9.670 |
CT | B A Carter | 75 | 2438342.506900 9 Nov 1963 00:09:56.160000 | 2440534.277700 8 Nov 1969 18:39:53.280000 | 14.600 | 9.800 |
SW | D R B Saw | 485 | 2439050.444400 16 Oct 1965 22:39:56.160000 | 2444909.400000 31 Oct 1981 21:36:00.000000 | 14.600 | 9.800 |
KX | O J Knox | 369 | 2439089.770800 25 Nov 1965 06:29:57.120000 | 2442744.708300 28 Nov 1975 04:59:57.120000 | 14.850 | 9.850 |
CQ | G Cowie | 39 | 2439163.430500 6 Feb 1966 22:19:55.200000 | 2440127.391600 27 Sep 1968 21:23:54.240000 | 13.080 | 9.890 |
MS | T J C A Moseley | 29 | 2439931.409700 15 Mar 1968 21:49:58.080000 | 2440123.458300 23 Sep 1968 22:59:57.120000 | 14.800 | 12.080 |
DR | R C Dryden | 424 | 2441397.347900 20 Mar 1972 20:20:58.560000 | 2460298.348000 19 Dec 2023 20:21:07.200000 | 15.600 | 8.300 |
GO | A Good | 5 | 2441440.414500 2 May 1972 21:56:52.800000 | 2441575.437500 14 Sep 1972 22:30:00.000000 | 12.810 | 10.920 |
HI | G P Hawkins | 35 | 2441535.459700 5 Aug 1972 23:01:58.080000 | 2442047.401300 30 Dec 1973 21:37:52.320000 | 14.700 | 10.050 |
BT | G K Broadbent | 48 | 2441594.416600 3 Oct 1972 21:59:54.240000 | 2442976.501300 17 Jul 1976 00:01:52.320000 | 13.910 | 9.880 |
PT | R A H Paterson | 450 | 2441735.489500 21 Feb 1973 23:44:52.800000 | 2460042.369000 7 Apr 2023 20:51:21.600000 | 15.520 | 8.100 |
AS | A L Smith | 1 | 2441902.486100 7 Aug 1973 23:39:59.040000 | 2441902.486100 7 Aug 1973 23:39:59.040000 | 13.200 | 13.200 |
HH | I D Howarth | 14 | 2441903.400000 8 Aug 1973 21:36:00.000000 | 2443373.400000 17 Aug 1977 21:36:00.000000 | 15.000 | 10.100 |
PO | A K Porter | 19 | 2441973.347200 17 Oct 1973 20:19:58.080000 | 2443911.409700 6 Feb 1979 21:49:58.080000 | 13.560 | 9.880 |
HY | P W Hornby | 6 | 2441976.727000 21 Oct 1973 05:26:52.800000 | 2442101.459700 22 Feb 1974 23:01:58.080000 | 11.280 | 10.250 |
BP | J A Bailey | 13 | 2441997.340200 10 Nov 1973 20:09:53.280000 | 2442660.429100 4 Sep 1975 22:17:54.240000 | 11.720 | 9.780 |
AD | S J Anderson | 1 | 2442034.371500 17 Dec 1973 20:54:57.600000 | 2442034.371500 17 Dec 1973 20:54:57.600000 | 10.200 | 10.200 |
RE | N Reid | 13 | 2442082.451300 3 Feb 1974 22:49:52.320000 | 2442384.347200 2 Dec 1974 20:19:58.080000 | 10.100 | 8.600 |
IH | G Hirst | 17 | 2442143.437500 5 Apr 1974 22:30:00.000000 | 2442342.343700 21 Oct 1974 20:14:55.680000 | 12.950 | 11.480 |
LC | D Churchill | 18 | 2442220.466600 21 Jun 1974 23:11:54.240000 | 2442435.326300 22 Jan 1975 19:49:52.320000 | 12.610 | 11.870 |
PI | R D Pickard | 96 | 2442330.340200 9 Oct 1974 20:09:53.280000 | 2451499.469400 16 Nov 1999 23:15:56.160000 | 14.500 | 9.450 |
LL | R L Lyon | 98 | 2442488.468700 16 Mar 1975 23:14:55.680000 | 2444933.500000 25 Nov 1981 00:00:00.000000 | 15.600 | 10.500 |
MX | L R Matthews | 1 | 2442630.458300 5 Aug 1975 22:59:57.120000 | 2442630.458300 5 Aug 1975 22:59:57.120000 | 10.500 | 10.500 |
HO | A J Hollis | 15 | 2443048.392300 26 Sep 1976 21:24:54.720000 | 2443847.371500 4 Dec 1978 20:54:57.600000 | 13.560 | 10.100 |
GJ | R J Godden | 67 | 2443134.420800 21 Dec 1976 22:05:57.120000 | 2445504.600000 19 Jun 1983 02:24:00.000000 | 13.700 | 10.780 |
KM | C Brookman | 20 | 2443379.388800 23 Aug 1977 21:19:52.320000 | 2444187.272900 9 Nov 1979 18:32:58.560000 | 12.610 | 10.690 |
GH | T Gough | 9 | 2443535.536100 27 Jan 1978 00:51:59.040000 | 2443949.350000 16 Mar 1979 20:24:00.000000 | 15.200 | 10.920 |
PB | M Peel | 15 | 2443542.385400 2 Feb 1978 21:14:58.560000 | 2444465.454800 13 Aug 1980 22:54:54.720000 | 13.560 | 10.720 |
EJ | J W L Ells | 52 | 2443805.297900 23 Oct 1978 19:08:58.560000 | 2445815.400000 24 Apr 1984 21:36:00.000000 | 14.050 | 9.340 |
KJ | S J Kay | 30 | 2443821.437500 8 Nov 1978 22:30:00.000000 | 2444645.600000 10 Feb 1981 02:24:00.000000 | 13.560 | 10.660 |
RHF | R B I Fraser | 3 | 2443840.349300 27 Nov 1978 20:22:59.520000 | 2443996.432600 2 May 1979 22:22:56.640000 | 12.410 | 11.640 |
WH | P J Wheeler | 216 | 2443930.504800 26 Feb 1979 00:06:54.720000 | 2447853.250000 22 Nov 1989 18:00:00.000000 | 12.610 | 8.600 |
EL | D J Ells | 1 | 2444292.385400 22 Feb 1980 21:14:58.560000 | 2444292.385400 22 Feb 1980 21:14:58.560000 | 13.200 | 13.200 |
LJ | J Lashley | 17 | 2444463.553400 12 Aug 1980 01:16:53.760000 | 2445266.315900 23 Oct 1982 19:34:53.760000 | 13.150 | 11.480 |
GC | G A V Coady | 29 | 2444522.402700 9 Oct 1980 21:39:53.280000 | 2449717.409700 30 Dec 1994 21:49:58.080000 | 14.330 | 9.670 |
XG | G Poyner | 52 | 2444555.497200 11 Nov 1980 23:55:58.080000 | 2449223.541000 24 Aug 1993 00:59:02.400000 | 15.200 | 10.300 |
DT | D Stott | 483 | 2444608.300000 3 Jan 1981 19:12:00.000000 | 2448038.436100 26 May 1990 22:27:59.040000 | 15.100 | 9.300 |
AG | S W Albrighton | 23 | 2444609.300000 4 Jan 1981 19:12:00.000000 | 2459740.448000 9 Jun 2022 22:45:07.200000 | 13.910 | 8.800 |
OT | S Hoste | 8 | 2444986.340200 16 Jan 1982 20:09:53.280000 | 2445695.400000 26 Dec 1983 21:36:00.000000 | 12.950 | 9.900 |
NC | M J Nicholls | 8 | 2444992.333300 22 Jan 1982 19:59:57.120000 | 2445091.375000 1 May 1982 21:00:00.000000 | 12.880 | 10.920 |
OZ | D Couzin | 29 | 2445204.489500 22 Aug 1982 23:44:52.800000 | 2445442.400000 17 Apr 1983 21:36:00.000000 | 13.120 | 12.610 |
CH | R H Chambers | 9 | 2445227.468700 14 Sep 1982 23:14:55.680000 | 2447085.475600 16 Oct 1987 23:24:51.840000 | 13.910 | 10.100 |
UL | S J Lubbock | 140 | 2445671.400000 2 Dec 1983 21:36:00.000000 | 2447302.545100 21 May 1988 01:04:56.640000 | 15.200 | 9.460 |
ZK | M A Brookes | 8 | 2446256.477000 9 Jul 1985 23:26:52.800000 | 2446429.318700 29 Dec 1985 19:38:55.680000 | 12.730 | 10.130 |
KH | I H Kennedy | 8 | 2446666.555500 24 Aug 1986 01:19:55.200000 | 2446722.406200 18 Oct 1986 21:44:55.680000 | 11.870 | 10.780 |
MM | I A Middlemist | 15 | 2446803.319400 7 Jan 1987 19:39:56.160000 | 2447614.361100 28 Mar 1989 20:39:59.040000 | 13.400 | 9.700 |
JWC | J W Cole | 3 | 2447004.531200 28 Jul 1987 00:44:55.680000 | 2447023.381900 15 Aug 1987 21:09:56.160000 | 11.680 | 11.480 |
VT | L R Stevens | 30 | 2447113.418000 13 Nov 1987 22:01:55.200000 | 2447642.423600 25 Apr 1989 22:09:59.040000 | 13.080 | 9.270 |
TJ | J Toone | 750 | 2444900.328000 22 Oct 1981 19:52:19.200000 | 2460505.515000 14 Jul 2024 00:21:36.000000 | 15.800 | 8.600 |
CPJ | C P Jones | 76 | 2447556.359700 29 Jan 1989 20:37:58.080000 | 2454049.366700 9 Nov 2006 20:48:02.880000 | 15.800 | 8.860 |
PCL | P C Leyland | 3 | 2447593.412500 7 Mar 1989 21:54:00.000000 | 2447624.373600 7 Apr 1989 20:57:59.040000 | 11.770 | 11.580 |
ARB | A R Baransky | 1 | 2450633.500000 4 Jul 1997 00:00:00.000000 | 2450633.500000 4 Jul 1997 00:00:00.000000 | 9.200 | 9.200 |
RJB | R J Bouma | 5 | 2450669.500000 9 Aug 1997 00:00:00.000000 | 2451821.400000 3 Oct 2000 21:36:00.000000 | 10.400 | 9.500 |
TUB | V Tuboly | 1 | 2450870.395800 25 Feb 1998 21:29:57.120000 | 2450870.395800 25 Feb 1998 21:29:57.120000 | 12.300 | 12.300 |
COR | H Corder | 1 | 2412560.500000 7 Apr 1893 00:00:00.000000 | 2412560.500000 7 Apr 1893 00:00:00.000000 | 8.500 | 8.500 |
JMP | J De Morae Pereira | 15 | 2412506.500000 12 Feb 1893 00:00:00.000000 | 2413432.500000 27 Aug 1895 00:00:00.000000 | 12.500 | 7.400 |
AX | C M Allen | 44 | 2454668.500000 21 Jul 2008 00:00:00.000000 | 2456167.317400 27 Aug 2012 19:37:03.360000 | 15.100 | 9.400 |
BCP | C D Beech | 43 | 2454729.595800 20 Sep 2008 02:17:57.120000 | 2455770.461800 27 Jul 2011 23:04:59.520000 | 14.700 | 9.900 |
BJ | B J Beesley | 49 | 2454713.515300 4 Sep 2008 00:22:01.920000 | 2455525.554900 25 Nov 2010 01:19:03.360000 | 15.800 | 8.700 |
WV | P B Withers | 362 | 2455113.459700 8 Oct 2009 23:01:58.080000 | 2460517.485000 25 Jul 2024 23:38:24.000000 | 15.800 | 7.900 |
HUL | V Hull | 2 | 2456582.488190 16 Oct 2013 23:42:59.616000 | 2456595.562500 30 Oct 2013 01:30:00.000000 | 12.900 | 12.800 |
GD | M J Gainsford | 1 | 2457133.383000 20 Apr 2015 21:11:31.200000 | 2457133.383000 20 Apr 2015 21:11:31.200000 | 12.300 | 12.300 |
RPE | R Pearce | 14 | 2457835.396000 22 Mar 2017 21:30:14.400000 | 2459656.375000 17 Mar 2022 21:00:00.000000 | 12.500 | 8.700 |
GPF | G Fleming | 55 | 2458748.387730 21 Sep 2019 21:18:19.872000 | 2460324.296780 14 Jan 2024 19:07:21.792000 | 16.428 | 8.993 |