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British Astronomical Association Supporting amateur astronomers since 1890 |
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Total observations: | 13,937 | Minimum magnitude: | 15.100 | Maximum magnitude: | 10.100 | ||
First observation: | JD 2441089.520800 | \ | 18 May 1971 00:29:57.120000 UT | Latest observation: | JD 2460537.411100 | \ | 14 Aug 2024 21:51:59.040000 UT |
Observation Method | Number of Observations |
---|---|
Visual | 12,785 |
CCD | 1,142 |
DSLR | 10 |
Observer Id | Observer Name | Number of Observations | First Observation JD / UT | Latest Observation JD / UT | Minimum Magnitude | Maximum Magnitude |
---|---|---|---|---|---|---|
KX | O J Knox | 165 | 2441089.520800 18 May 1971 00:29:57.120000 | 2442709.270800 23 Oct 1975 18:29:57.120000 | 14.400 | 11.200 |
HH | I D Howarth | 140 | 2441123.509700 21 Jun 1971 00:13:58.080000 | 2446326.388800 17 Sep 1985 21:19:52.320000 | 14.200 | 11.000 |
AS | A L Smith | 4 | 2441248.300000 23 Oct 1971 19:12:00.000000 | 2441829.600000 27 May 1973 02:24:00.000000 | 13.900 | 12.300 |
SW | D R B Saw | 270 | 2441724.638800 11 Feb 1973 03:19:52.320000 | 2444909.305500 31 Oct 1981 19:19:55.200000 | 14.400 | 11.000 |
DU | S R Dunlop | 3 | 2441772.459000 30 Mar 1973 23:00:57.600000 | 2442003.344400 16 Nov 1973 20:15:56.160000 | 13.100 | 12.000 |
HY | P W Hornby | 7 | 2441807.454800 4 May 1973 22:54:54.720000 | 2442194.465900 26 May 1974 23:10:53.760000 | 12.100 | 11.100 |
BP | J A Bailey | 91 | 2441807.461800 4 May 1973 23:04:59.520000 | 2443004.447900 13 Aug 1976 22:44:58.560000 | 13.000 | 10.900 |
PT | R A H Paterson | 1,005 | 2441839.479100 5 Jun 1973 23:29:54.240000 | 2459489.307000 1 Oct 2021 19:22:04.800000 | 15.100 | 10.950 |
PC | C Pezzarossa | 9 | 2441860.493000 26 Jun 1973 23:49:55.200000 | 2441953.326300 27 Sep 1973 19:49:52.320000 | 12.500 | 11.500 |
PO | A K Porter | 31 | 2442094.666600 16 Feb 1974 03:59:54.240000 | 2443430.302000 13 Oct 1977 19:14:52.800000 | 13.100 | 11.000 |
PL | W E Pennell | 32 | 2442160.420100 22 Apr 1974 22:04:56.640000 | 2443014.375000 23 Aug 1976 21:00:00.000000 | 13.900 | 11.700 |
WS | E J W West | 1 | 2442194.468700 26 May 1974 23:14:55.680000 | 2442194.468700 26 May 1974 23:14:55.680000 | 11.100 | 11.100 |
MX | L R Matthews | 7 | 2442333.312500 12 Oct 1974 19:30:00.000000 | 2442596.458300 2 Jul 1975 22:59:57.120000 | 12.400 | 11.200 |
MU | C R Munford | 154 | 2443009.458300 18 Aug 1976 22:59:57.120000 | 2446273.461800 26 Jul 1985 23:04:59.520000 | 13.870 | 11.100 |
HO | A J Hollis | 38 | 2443096.256900 13 Nov 1976 18:09:56.160000 | 2444885.305500 7 Oct 1981 19:19:55.200000 | 14.210 | 11.300 |
LL | R L Lyon | 75 | 2443282.527700 19 May 1977 00:39:53.280000 | 2444875.333300 27 Sep 1981 19:59:57.120000 | 14.600 | 11.300 |
LK | K Lewis | 208 | 2443332.458300 7 Jul 1977 22:59:57.120000 | 2445269.311100 26 Oct 1982 19:27:59.040000 | 13.830 | 10.700 |
GH | T Gough | 23 | 2443477.246500 29 Nov 1977 17:54:57.600000 | 2443955.635400 23 Mar 1979 03:14:58.560000 | 14.420 | 11.100 |
GC | G A V Coady | 69 | 2443900.670100 27 Jan 1979 04:04:56.640000 | 2449716.718700 30 Dec 1994 05:14:55.680000 | 14.030 | 11.100 |
KJ | S J Kay | 82 | 2443956.621500 24 Mar 1979 02:54:57.600000 | 2444881.315900 3 Oct 1981 19:34:53.760000 | 14.070 | 11.250 |
NR | R H Mcnaught | 1 | 2443965.552000 2 Apr 1979 01:14:52.800000 | 2443965.552000 2 Apr 1979 01:14:52.800000 | 11.350 | 11.350 |
SK | J D Shanklin | 102 | 2444131.386100 14 Sep 1979 21:15:59.040000 | 2452530.360400 12 Sep 2002 20:38:58.560000 | 14.500 | 11.580 |
BE | L K Brundle | 1,571 | 2444342.645800 13 Apr 1980 03:29:57.120000 | 2460520.429000 28 Jul 2024 22:17:45.600000 | 14.400 | 11.100 |
PB | M Peel | 3 | 2444371.442300 11 May 1980 22:36:54.720000 | 2444378.452000 18 May 1980 22:50:52.800000 | 12.640 | 11.650 |
PI | R D Pickard | 458 | 2444373.456900 13 May 1980 22:57:56.160000 | 2458961.648360 22 Apr 2020 03:33:38.304000 | 13.930 | 11.520 |
CH | R H Chambers | 38 | 2444749.524300 25 May 1981 00:34:59.520000 | 2447367.479100 24 Jul 1988 23:29:54.240000 | 14.400 | 11.400 |
AQ | S Allmand | 5 | 2444813.437500 27 Jul 1981 22:30:00.000000 | 2444870.406200 22 Sep 1981 21:44:55.680000 | 12.830 | 11.400 |
GD | M J Gainsford | 1,587 | 2444813.448600 27 Jul 1981 22:45:59.040000 | 2456531.388000 26 Aug 2013 21:18:43.200000 | 14.130 | 10.100 |
OT | S Hoste | 24 | 2444844.352000 27 Aug 1981 20:26:52.800000 | 2445637.290000 29 Oct 1983 18:57:36.000000 | 13.500 | 10.100 |
XE | A T A Bueno | 10 | 2445027.006900 26 Feb 1982 12:09:56.160000 | 2445261.770800 19 Oct 1982 06:29:57.120000 | 13.800 | 11.300 |
XG | G Poyner | 1,860 | 2445500.490000 14 Jun 1983 23:45:36.000000 | 2460537.411100 14 Aug 2024 21:51:59.040000 | 14.500 | 11.200 |
EJ | J W L Ells | 3 | 2445576.400000 29 Aug 1983 21:36:00.000000 | 2445612.310000 4 Oct 1983 19:26:24.000000 | 13.830 | 11.630 |
UL | S J Lubbock | 408 | 2445814.490000 23 Apr 1984 23:45:36.000000 | 2447648.410400 1 May 1989 21:50:58.560000 | 14.130 | 11.200 |
AG | S W Albrighton | 133 | 2446196.430500 10 May 1985 22:19:55.200000 | 2459008.497000 7 Jun 2020 23:55:40.800000 | 14.120 | 11.000 |
NC | M J Nicholls | 13 | 2446576.468700 25 May 1986 23:14:55.680000 | 2446681.402700 7 Sep 1986 21:39:53.280000 | 13.400 | 11.200 |
IS | J E Isles | 297 | 2446877.467300 22 Mar 1987 23:12:54.720000 | 2448180.211800 15 Oct 1990 17:04:59.520000 | 13.830 | 10.900 |
DT | D Stott | 226 | 2446895.659000 10 Apr 1987 03:48:57.600000 | 2448038.409000 26 May 1990 21:48:57.600000 | 14.230 | 11.550 |
TJ | J Toone | 3,045 | 2446068.783000 3 Jan 1985 06:47:31.200000 | 2460522.603000 31 Jul 2024 02:28:19.200000 | 14.900 | 10.900 |
PCL | P C Leyland | 10 | 2447603.663100 18 Mar 1989 03:54:51.840000 | 2447776.358300 6 Sep 1989 20:35:57.120000 | 13.830 | 11.500 |
CPJ | C P Jones | 5 | 2447653.533300 7 May 1989 00:47:57.120000 | 2448038.436100 26 May 1990 22:27:59.040000 | 14.120 | 11.750 |
FRW | R W Fleet | 8 | 2448036.450000 24 May 1990 22:48:00.000000 | 2448418.523600 11 Jun 1991 00:33:59.040000 | 14.120 | 11.400 |
KOU | S Koushiappas | 4 | 2448411.322900 3 Jun 1991 19:44:58.560000 | 2449136.309700 28 May 1993 19:25:58.080000 | 13.690 | 12.000 |
MIG | M Gill | 142 | 2448756.524300 14 May 1992 00:34:59.520000 | 2450372.310400 15 Oct 1996 19:26:58.560000 | 12.640 | 11.100 |
IW | W J Worraker | 2 | 2449763.240200 14 Feb 1995 17:45:53.280000 | 2449766.244400 17 Feb 1995 17:51:56.160000 | 12.750 | 12.730 |
JOG | J Greaves | 3 | 2450209.419000 5 May 1996 22:03:21.600000 | 2450213.498000 9 May 1996 23:57:07.200000 | 12.600 | 11.500 |
SAL | G W Salmon | 45 | 2450213.466600 9 May 1996 23:11:54.240000 | 2452906.360400 23 Sep 2003 20:38:58.560000 | 14.080 | 11.400 |
AKG | K G Andersson | 12 | 2450301.427000 5 Aug 1996 22:14:52.800000 | 2450751.306000 29 Oct 1997 19:20:38.400000 | 14.200 | 11.400 |
WEM | M Westlund | 4 | 2450304.440000 8 Aug 1996 22:33:36.000000 | 2450315.430000 19 Aug 1996 22:19:12.000000 | 12.800 | 11.300 |
RJB | R J Bouma | 1 | 2450334.358000 7 Sep 1996 20:35:31.200000 | 2450334.358000 7 Sep 1996 20:35:31.200000 | 13.600 | 13.600 |
BHG | B H Granslo | 69 | 2450506.620000 27 Feb 1997 02:52:48.000000 | 2451796.350000 8 Sep 2000 20:24:00.000000 | 13.600 | 11.400 |
JMM | J Meacham | 23 | 2450895.548600 23 Mar 1998 01:09:59.040000 | 2452083.562500 23 Jun 2001 01:30:00.000000 | 12.640 | 11.400 |
DGL | D Gill | 1 | 2450993.451300 28 Jun 1998 22:49:52.320000 | 2450993.451300 28 Jun 1998 22:49:52.320000 | 12.520 | 12.520 |
HWM | H W McGee | 30 | 2451016.447200 21 Jul 1998 22:43:58.080000 | 2452547.346500 29 Sep 2002 20:18:57.600000 | 13.900 | 11.000 |
EMU | E Muyllaert | 209 | 2451066.313000 9 Sep 1998 19:30:43.200000 | 2451909.762000 31 Dec 2000 06:17:16.800000 | 14.300 | 11.300 |
KOM | M Komorous | 10 | 2451209.940000 31 Jan 1999 10:33:36.000000 | 2451447.540000 26 Sep 1999 00:57:36.000000 | 14.400 | 11.500 |
RN | T A Robinson | 46 | 2451313.520800 15 May 1999 00:29:57.120000 | 2452453.493100 27 Jun 2002 23:50:03.840000 | 13.970 | 11.400 |
PJC | P J Charleton | 3 | 2452041.525000 12 May 2001 00:36:00.000000 | 2452868.407600 16 Aug 2003 21:46:56.640000 | 13.600 | 11.800 |
AX | C M Allen | 50 | 2453889.479900 2 Jun 2006 23:31:03.360000 | 2456158.339600 18 Aug 2012 20:09:01.440000 | 13.800 | 11.300 |
JZ | R D Januszewski | 50 | 2453827.571500 2 Apr 2006 01:42:57.600000 | 2457478.519000 31 Mar 2016 00:27:21.600000 | 14.200 | 11.300 |
BJ | B J Beesley | 213 | 2454583.514600 27 Apr 2008 00:21:01.440000 | 2455525.255600 24 Nov 2010 18:08:03.840000 | 14.200 | 11.600 |
BCP | C D Beech | 11 | 2455305.559000 19 Apr 2010 01:24:57.600000 | 2455770.470100 27 Jul 2011 23:16:56.640000 | 13.800 | 11.800 |
MZ | I Miller | 5 | 2453995.399398 16 Sep 2006 21:35:07.987200 | 2453995.402975 16 Sep 2006 21:40:17.040000 | 13.099 | 13.074 |
DDB | D Boyd | 150 | 2455302.408620 15 Apr 2010 21:48:24.768000 | 2456469.523170 26 Jun 2013 00:33:21.888000 | 14.198 | 11.905 |
HUL | V Hull | 20 | 2456446.522000 3 Jun 2013 00:31:40.800000 | 2457226.484200 22 Jul 2015 23:37:14.880000 | 14.000 | 12.500 |
SJO | S Johnston | 471 | 2457221.438100 17 Jul 2015 22:30:51.840000 | 2459041.569150 11 Jul 2020 01:39:34.560000 | 14.773 | 11.506 |
TRO | A Rodda | 60 | 2457499.489550 20 Apr 2016 23:44:57.120000 | 2457499.538170 21 Apr 2016 00:54:57.888000 | 12.546 | 12.483 |
HF | G M Hurst | 1 | 2449504.427000 31 May 1994 22:14:52.800000 | 2449504.427000 31 May 1994 22:14:52.800000 | 12.100 | 12.100 |
WPS | W Parkes | 10 | 2458262.444100 23 May 2018 22:39:30.240000 | 2460079.475690 14 May 2023 23:24:59.616000 | 14.341 | 11.497 |
IWT | I L Walton | 22 | 2458397.343420 5 Oct 2018 20:14:31.488000 | 2460020.563200 17 Mar 2023 01:31:00.480000 | 14.793 | 11.717 |
DGSA | G Darlington | 5 | 2458983.553980 14 May 2020 01:17:43.872000 | 2458983.556490 14 May 2020 01:21:20.736000 | 12.032 | 12.001 |
RPE | R Pearce | 5 | 2459401.431000 5 Jul 2021 22:20:38.400000 | 2459423.455000 27 Jul 2021 22:55:12.000000 | 12.996 | 11.829 |
WV | P B Withers | 29 | 2459672.465000 2 Apr 2022 23:09:36.000000 | 2460441.526000 11 May 2024 00:37:26.400000 | 13.700 | 11.600 |
YB | J T Bryan | 10 | 2460120.639000 25 Jun 2023 03:20:09.600000 | 2460172.628000 16 Aug 2023 03:04:19.200000 | 13.600 | 11.800 |