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British Astronomical Association Supporting amateur astronomers since 1890 |
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Total observations: | 4,392 | Minimum magnitude: | 4.300 | Maximum magnitude: | 2.600 | ||
First observation: | JD 2411764.500000 | \ | 1 Feb 1891 00:00:00.000000 UT | Latest observation: | JD 2460200.649000 | \ | 13 Sep 2023 03:34:33.600000 UT |
Observation Method | Number of Observations |
---|---|
Visual | 4,273 |
DSLR | 100 |
PEP | 19 |
Observer Id | Observer Name | Number of Observations | First Observation JD / UT | Latest Observation JD / UT | Minimum Magnitude | Maximum Magnitude |
---|---|---|---|---|---|---|
MK | E E Markwick | 87 | 2411764.500000 1 Feb 1891 00:00:00.000000 | 2416820.000000 5 Dec 1904 12:00:00.000000 | 4.000 | 2.800 |
BES | W E Besley | 20 | 2414656.000000 1 Jan 1899 12:00:00.000000 | 2415754.000000 4 Jan 1902 12:00:00.000000 | 3.400 | 3.200 |
WLX | W M Worsell | 22 | 2415319.000000 26 Oct 1900 12:00:00.000000 | 2415793.000000 12 Feb 1902 12:00:00.000000 | 3.500 | 3.240 |
CHJ | J W L Child | 66 | 2415339.000000 15 Nov 1900 12:00:00.000000 | 2416102.000000 18 Dec 1902 12:00:00.000000 | 3.700 | 3.100 |
ORR | M A Orr | 13 | 2415367.000000 13 Dec 1900 12:00:00.000000 | 2415493.000000 18 Apr 1901 12:00:00.000000 | 3.400 | 3.300 |
XK | A King | 18 | 2415369.000000 15 Dec 1900 12:00:00.000000 | 2425268.500000 23 Jan 1928 00:00:00.000000 | 3.900 | 3.300 |
LEB | O A Lebeau | 12 | 2415754.000000 4 Jan 1902 12:00:00.000000 | 2415864.000000 24 Apr 1902 12:00:00.000000 | 3.500 | 3.300 |
PEX | J M Peridier | 3 | 2416056.000000 2 Nov 1902 12:00:00.000000 | 2416058.000000 4 Nov 1902 12:00:00.000000 | 3.500 | 3.300 |
OA | W Oakes | 22 | 2416143.000000 28 Jan 1903 12:00:00.000000 | 2416617.000000 16 May 1904 12:00:00.000000 | 3.900 | 2.900 |
FDX | J M Field | 7 | 2416817.000000 2 Dec 1904 12:00:00.000000 | 2416831.000000 16 Dec 1904 12:00:00.000000 | 3.900 | 3.200 |
IS | J E Isles | 348 | 2438463.500000 9 Mar 1964 00:00:00.000000 | 2447853.543700 23 Nov 1989 01:02:55.680000 | 4.140 | 2.860 |
RD | D W Robinson | 15 | 2439470.536100 11 Dec 1966 00:51:59.040000 | 2439811.527700 17 Nov 1967 00:39:53.280000 | 3.500 | 3.200 |
AS | A L Smith | 21 | 2440303.312500 22 Mar 1969 19:30:00.000000 | 2440669.326300 23 Mar 1970 19:49:52.320000 | 3.800 | 3.000 |
CHA | A Chapman | 54 | 2440519.416600 24 Oct 1969 21:59:54.240000 | 2447593.375000 7 Mar 1989 21:00:00.000000 | 3.590 | 2.960 |
FM | V J Freeman | 24 | 2440527.395800 1 Nov 1969 21:29:57.120000 | 2441063.381900 21 Apr 1971 21:09:56.160000 | 3.290 | 2.980 |
BSU | P G Sutherland | 42 | 2440527.618000 2 Nov 1969 02:49:55.200000 | 2441627.576300 6 Nov 1972 01:49:52.320000 | 3.410 | 2.960 |
ALA | A Alexander | 17 | 2440541.427000 15 Nov 1969 22:14:52.800000 | 2440689.354100 12 Apr 1970 20:29:54.240000 | 3.340 | 2.960 |
HAM | M Harris | 39 | 2440554.359700 28 Nov 1969 20:37:58.080000 | 2441073.370100 1 May 1971 20:52:56.640000 | 3.850 | 2.900 |
HC | C Henshaw | 316 | 2440571.608300 16 Dec 1969 02:35:57.120000 | 2451553.600000 10 Jan 2000 02:24:00.000000 | 4.200 | 2.940 |
FK | M Foulkes | 33 | 2440574.333300 18 Dec 1969 19:59:57.120000 | 2440710.385400 3 May 1970 21:14:58.560000 | 3.060 | 2.860 |
BBU | R J Butler | 62 | 2440578.411800 22 Dec 1969 21:52:59.520000 | 2441040.339500 29 Mar 1971 20:08:52.800000 | 3.440 | 3.030 |
MRJ | R J Marshall | 27 | 2440590.427000 3 Jan 1970 22:14:52.800000 | 2440709.416600 2 May 1970 21:59:54.240000 | 3.180 | 3.000 |
MAP | P Marsh | 13 | 2440593.364500 6 Jan 1970 20:44:52.800000 | 2441036.376300 25 Mar 1971 21:01:52.320000 | 3.200 | 2.800 |
JBW | J B Watler | 3 | 2440613.437500 26 Jan 1970 22:30:00.000000 | 2440653.322900 7 Mar 1970 19:44:58.560000 | 3.100 | 3.000 |
TY | M D Taylor | 152 | 2440623.423600 5 Feb 1970 22:09:59.040000 | 2456032.361000 14 Apr 2012 20:39:50.400000 | 3.920 | 2.660 |
DER | R Dearden | 4 | 2440625.313800 7 Feb 1970 19:31:52.320000 | 2440942.338100 21 Dec 1970 20:06:51.840000 | 3.160 | 2.860 |
BLO | M Long | 5 | 2440628.319400 10 Feb 1970 19:39:56.160000 | 2440712.388800 5 May 1970 21:19:52.320000 | 3.340 | 2.860 |
HOA | A Holt | 4 | 2440640.297900 22 Feb 1970 19:08:58.560000 | 2440696.374300 19 Apr 1970 20:58:59.520000 | 3.100 | 3.050 |
DFC | D F Cranny | 5 | 2440652.291600 6 Mar 1970 18:59:54.240000 | 2440678.364500 1 Apr 1970 20:44:52.800000 | 3.300 | 3.200 |
GRM | M Grint | 8 | 2440655.354100 9 Mar 1970 20:29:54.240000 | 2440696.395800 19 Apr 1970 21:29:57.120000 | 3.300 | 2.900 |
UH | A C Hughes | 7 | 2440894.493000 3 Nov 1970 23:49:55.200000 | 2441008.395800 25 Feb 1971 21:29:57.120000 | 3.240 | 2.980 |
YD | D Young | 12 | 2440905.458300 14 Nov 1970 22:59:57.120000 | 2441082.406200 10 May 1971 21:44:55.680000 | 3.260 | 2.960 |
PGK | P G Kitchingham | 5 | 2440941.418000 20 Dec 1970 22:01:55.200000 | 2441052.418000 10 Apr 1971 22:01:55.200000 | 3.190 | 2.970 |
VJ | J D Wise | 5 | 2440967.284700 15 Jan 1971 18:49:58.080000 | 2441069.419400 27 Apr 1971 22:03:56.160000 | 3.160 | 2.960 |
HP | M A Hapgood | 51 | 2441032.375000 21 Mar 1971 21:00:00.000000 | 2442127.305500 20 Mar 1974 19:19:55.200000 | 3.900 | 2.760 |
ES | I B Evans | 4 | 2441060.392300 18 Apr 1971 21:24:54.720000 | 2441070.377700 28 Apr 1971 21:03:53.280000 | 3.500 | 3.400 |
JCO | J Corey | 3 | 2441069.420100 27 Apr 1971 22:04:56.640000 | 2441078.419400 6 May 1971 22:03:56.160000 | 3.100 | 2.900 |
BS | T Brelstaff | 122 | 2441280.732600 25 Nov 1971 05:34:56.640000 | 2448546.694400 17 Oct 1991 04:39:56.160000 | 3.820 | 3.000 |
CP | P R Clayton | 10 | 2441539.600600 10 Aug 1972 02:24:51.840000 | 2441737.312500 23 Feb 1973 19:30:00.000000 | 3.390 | 3.000 |
NR | R H Mcnaught | 28 | 2441544.659700 15 Aug 1972 03:49:58.080000 | 2441772.405500 30 Mar 1973 21:43:55.200000 | 4.000 | 2.850 |
WIR | R Willis | 1 | 2441619.565900 29 Oct 1972 01:34:53.760000 | 2441619.565900 29 Oct 1972 01:34:53.760000 | 3.090 | 3.090 |
SL | A M Savill | 16 | 2441698.288100 15 Jan 1973 18:54:51.840000 | 2441798.361100 25 Apr 1973 20:39:59.040000 | 3.380 | 3.060 |
WJ | J M Webb | 5 | 2441704.416600 21 Jan 1973 21:59:54.240000 | 2441727.416600 13 Feb 1973 21:59:54.240000 | 3.260 | 3.060 |
GJO | J Green | 10 | 2441714.552000 1 Feb 1973 01:14:52.800000 | 2441780.378400 7 Apr 1973 21:04:53.760000 | 3.630 | 3.070 |
MJ | J W Mason | 5 | 2441717.513800 4 Feb 1973 00:19:52.320000 | 2441779.385400 6 Apr 1973 21:14:58.560000 | 3.530 | 3.080 |
MR | P A Moore | 46 | 2441724.548600 11 Feb 1973 01:09:59.040000 | 2447886.375000 25 Dec 1989 21:00:00.000000 | 3.500 | 2.760 |
PG | P G Prior | 13 | 2441746.361100 4 Mar 1973 20:39:59.040000 | 2441799.368000 26 Apr 1973 20:49:55.200000 | 3.440 | 2.980 |
GZ | F Gribbin | 6 | 2441763.385400 21 Mar 1973 21:14:58.560000 | 2441807.395800 4 May 1973 21:29:57.120000 | 3.440 | 3.210 |
XX | D J Byrne | 7 | 2441763.388800 21 Mar 1973 21:19:52.320000 | 2441804.406200 1 May 1973 21:44:55.680000 | 3.300 | 3.050 |
AO | S K Abrol | 1 | 2441779.458300 6 Apr 1973 22:59:57.120000 | 2441779.458300 6 Apr 1973 22:59:57.120000 | 3.020 | 3.020 |
MY | A Maudsley | 54 | 2442049.487500 1 Jan 1974 23:42:00.000000 | 2442907.390900 8 May 1976 21:22:53.760000 | 3.270 | 3.050 |
TL | S Taylor | 6 | 2442074.461800 26 Jan 1974 23:04:59.520000 | 2442138.320800 31 Mar 1974 19:41:57.120000 | 3.220 | 2.960 |
NOS | N Stein | 6 | 2442427.416600 14 Jan 1975 21:59:54.240000 | 2442778.370800 31 Dec 1975 20:53:57.120000 | 3.400 | 3.180 |
QS | C Swan | 9 | 2442710.686100 25 Oct 1975 04:27:59.040000 | 2442752.786100 6 Dec 1975 06:51:59.040000 | 3.080 | 2.980 |
AK | A Cook | 34 | 2442871.333300 2 Apr 1976 19:59:57.120000 | 2443927.349300 22 Feb 1979 20:22:59.520000 | 3.680 | 2.660 |
BAY | M Bailey | 8 | 2442873.364500 4 Apr 1976 20:44:52.800000 | 2443138.333300 25 Dec 1976 19:59:57.120000 | 3.240 | 3.030 |
MJD | M J D Price | 5 | 2443147.318700 3 Jan 1977 19:38:55.680000 | 2443239.338100 5 Apr 1977 20:06:51.840000 | 3.440 | 3.040 |
QM | T Markham | 481 | 2443631.396000 2 May 1978 21:30:14.400000 | 2457484.375000 5 Apr 2016 21:00:00.000000 | 4.000 | 2.960 |
AG | S W Albrighton | 22 | 2444235.277700 27 Dec 1979 18:39:53.280000 | 2444328.340200 29 Mar 1980 20:09:53.280000 | 4.100 | 3.200 |
AV | J E Agar | 84 | 2444913.371500 4 Nov 1981 20:54:57.600000 | 2445818.418700 27 Apr 1984 22:02:55.680000 | 3.840 | 2.960 |
EA | S J Evans | 10 | 2444932.499300 23 Nov 1981 23:58:59.520000 | 2445012.485400 11 Feb 1982 23:38:58.560000 | 3.180 | 3.000 |
TN | A J Thomson | 1 | 2445603.538100 26 Sep 1983 00:54:51.840000 | 2445603.538100 26 Sep 1983 00:54:51.840000 | 3.280 | 3.280 |
DH | H G Duncan | 171 | 2445691.541600 23 Dec 1983 00:59:54.240000 | 2448986.409000 29 Dec 1992 21:48:57.600000 | 3.630 | 2.660 |
VR | M Beveridge | 11 | 2445725.376300 25 Jan 1984 21:01:52.320000 | 2446130.377700 5 Mar 1985 21:03:53.280000 | 3.280 | 3.130 |
JEN | S Jenner | 25 | 2445740.361800 9 Feb 1984 20:40:59.520000 | 2450867.338800 22 Feb 1998 20:07:52.320000 | 3.480 | 2.960 |
POG | G Pointer | 154 | 2446060.270800 25 Dec 1984 18:29:57.120000 | 2450705.673600 14 Sep 1997 04:09:59.040000 | 3.900 | 2.860 |
WOW | W O Williams | 6 | 2446092.327000 26 Jan 1985 19:50:52.800000 | 2446857.413100 2 Mar 1987 21:54:51.840000 | 3.410 | 3.010 |
GER | R J Geddes | 102 | 2446162.408300 6 Apr 1985 21:47:57.120000 | 2446934.405500 18 May 1987 21:43:55.200000 | 3.540 | 2.910 |
-TY | N Taylor | 57 | 2446361.361800 22 Oct 1985 20:40:59.520000 | 2446791.345800 26 Dec 1986 20:17:57.120000 | 3.620 | 3.180 |
REY | M Reynolds | 13 | 2446442.412500 11 Jan 1986 21:54:00.000000 | 2446549.413100 28 Apr 1986 21:54:51.840000 | 3.280 | 3.140 |
PLA | P Langridge | 9 | 2446514.434000 24 Mar 1986 22:24:57.600000 | 2446757.415200 22 Nov 1986 21:57:53.280000 | 3.400 | 3.100 |
SMA | A Smeaton | 42 | 2446802.308300 6 Jan 1987 19:23:57.120000 | 2448684.305500 2 Mar 1992 19:19:55.200000 | 3.770 | 3.020 |
AX | C M Allen | 8 | 2446842.345100 15 Feb 1987 20:16:56.640000 | 2446909.384000 23 Apr 1987 21:12:57.600000 | 3.800 | 3.200 |
AMD | D A Macmillan | 2 | 2446845.307600 18 Feb 1987 19:22:56.640000 | 2446876.389500 21 Mar 1987 21:20:52.800000 | 3.700 | 3.450 |
MRB | M Robinson | 17 | 2446866.339500 11 Mar 1987 20:08:52.800000 | 2447261.363800 9 Apr 1988 20:43:52.320000 | 3.620 | 3.060 |
PEK | J Peck | 3 | 2447097.551300 29 Oct 1987 01:13:52.320000 | 2447206.298600 14 Feb 1988 19:09:59.040000 | 3.800 | 3.000 |
TJ | J Toone | 87 | 2444259.260000 20 Jan 1980 18:14:24.000000 | 2456415.401000 2 May 2013 21:37:26.400000 | 4.100 | 3.100 |
ON | N M Bone | 21 | 2447171.524300 11 Jan 1988 00:34:59.520000 | 2447264.381900 12 Apr 1988 21:09:56.160000 | 3.880 | 3.370 |
TID | D Tidbury | 17 | 2447181.427000 20 Jan 1988 22:14:52.800000 | 2447298.431200 16 May 1988 22:20:55.680000 | 3.580 | 3.340 |
FRW | R W Fleet | 7 | 2447183.361100 22 Jan 1988 20:39:59.040000 | 2447853.498600 22 Nov 1989 23:57:59.040000 | 3.960 | 3.100 |
HO | A J Hollis | 2 | 2447204.320000 12 Feb 1988 19:40:48.000000 | 2447208.460000 16 Feb 1988 23:02:24.000000 | 3.590 | 3.550 |
VT | L R Stevens | 8 | 2447214.400600 22 Feb 1988 21:36:51.840000 | 2447264.382600 12 Apr 1988 21:10:56.640000 | 3.960 | 3.260 |
QRA | G Ramsay | 2 | 2447214.465200 22 Feb 1988 23:09:53.280000 | 2447230.354100 9 Mar 1988 20:29:54.240000 | 3.810 | 3.810 |
RCR | R C I Rodriguez | 1 | 2447246.429800 25 Mar 1988 22:18:54.720000 | 2447246.429800 25 Mar 1988 22:18:54.720000 | 3.490 | 3.490 |
LGR | L Green | 30 | 2447476.482600 10 Nov 1988 23:34:56.640000 | 2450134.395800 20 Feb 1996 21:29:57.120000 | 3.620 | 3.030 |
KOU | S Koushiappas | 8 | 2447557.309000 30 Jan 1989 19:24:57.600000 | 2447643.250000 26 Apr 1989 18:00:00.000000 | 3.320 | 3.000 |
MCD | D Mckain | 7 | 2447590.381900 4 Mar 1989 21:09:56.160000 | 2447614.372900 28 Mar 1989 20:56:58.560000 | 3.300 | 3.000 |
NAP | J Napper | 4 | 2447776.656200 7 Sep 1989 03:44:55.680000 | 2447884.479100 23 Dec 1989 23:29:54.240000 | 3.500 | 3.000 |
LVR | R Livingstone | 56 | 2447853.422900 22 Nov 1989 22:08:58.560000 | 2448708.331900 26 Mar 1992 19:57:56.160000 | 3.750 | 2.830 |
GOD | S Godwin | 119 | 2448134.618000 31 Aug 1990 02:49:55.200000 | 2451171.621500 24 Dec 1998 02:54:57.600000 | 3.940 | 3.000 |
BAN | N Bailey | 1 | 2448250.374300 24 Dec 1990 20:58:59.520000 | 2448250.374300 24 Dec 1990 20:58:59.520000 | 3.200 | 3.200 |
BAR | M Barrett | 63 | 2448494.686800 26 Aug 1991 04:28:59.520000 | 2450870.465900 25 Feb 1998 23:10:53.760000 | 3.400 | 2.900 |
CLM | M Clarke | 151 | 2448517.687500 18 Sep 1991 04:30:00.000000 | 2451175.267300 27 Dec 1998 18:24:54.720000 | 3.300 | 2.920 |
PAN | C Panayiotides | 2 | 2448541.451300 11 Oct 1991 22:49:52.320000 | 2448547.437500 17 Oct 1991 22:30:00.000000 | 3.240 | 3.240 |
GIF | G Thompson | 4 | 2448918.715200 23 Oct 1992 05:09:53.280000 | 2448985.314500 28 Dec 1992 19:32:52.800000 | 3.430 | 3.230 |
EHH | E H Horsley | 35 | 2448946.534700 20 Nov 1992 00:49:58.080000 | 2451171.415200 23 Dec 1998 21:57:53.280000 | 3.900 | 3.120 |
BIB | P Bibbings | 8 | 2448994.448600 6 Jan 1993 22:45:59.040000 | 2449084.370800 6 Apr 1993 20:53:57.120000 | 3.210 | 3.070 |
RL | R Billington | 21 | 2449013.372900 25 Jan 1993 20:56:58.560000 | 2449473.441600 30 Apr 1994 22:35:54.240000 | 3.360 | 2.920 |
GOM | G O'Mara | 1 | 2449309.577000 18 Nov 1993 01:50:52.800000 | 2449309.577000 18 Nov 1993 01:50:52.800000 | 3.340 | 3.340 |
FAM | F Hamilton | 26 | 2449311.443700 19 Nov 1993 22:38:55.680000 | 2450039.479800 17 Nov 1995 23:30:54.720000 | 3.240 | 3.140 |
DAR | K Darbyshire | 22 | 2449415.326300 3 Mar 1994 19:49:52.320000 | 2451163.562500 16 Dec 1998 01:30:00.000000 | 3.500 | 3.100 |
BAK | K Barnwell | 17 | 2450019.465900 28 Oct 1995 23:10:53.760000 | 2450446.318000 28 Dec 1996 19:37:55.200000 | 3.600 | 2.880 |
BHG | B H Granslo | 2 | 2450510.310000 2 Mar 1997 19:26:24.000000 | 2450732.750000 11 Oct 1997 06:00:00.000000 | 3.400 | 3.300 |
FAD | M Fadda | 1 | 2451668.336800 3 May 2000 20:04:59.520000 | 2451668.336800 3 May 2000 20:04:59.520000 | 3.520 | 3.520 |
-SK | G Stefanopoulos | 12 | 2452639.332600 30 Dec 2002 19:58:56.640000 | 2458575.315000 1 Apr 2019 19:33:36.000000 | 4.000 | 2.900 |
HF | G M Hurst | 99 | 2453058.312500 22 Feb 2004 19:30:00.000000 | 2454571.379200 14 Apr 2008 21:06:02.880000 | 4.100 | 3.000 |
RAF | R Braga | 3 | 2455199.416700 2 Jan 2010 22:00:02.880000 | 2455228.298600 31 Jan 2010 19:09:59.040000 | 3.300 | 3.200 |
RWS | R W Schmude | 11 | 2449738.716000 21 Jan 1995 05:11:02.400000 | 2449817.100000 9 Apr 1995 14:24:00.000000 | 3.300 | 2.900 |
BMB | B MacDonald | 2 | 2455998.341700 11 Mar 2012 20:12:02.880000 | 2456034.393100 16 Apr 2012 21:26:03.840000 | 3.400 | 3.400 |
CPM | C Mann | 2 | 2455950.493100 23 Jan 2012 23:50:03.840000 | 2456005.362500 18 Mar 2012 20:42:00.000000 | 3.300 | 3.100 |
NF | N A Foster | 12 | 2455969.288000 11 Feb 2012 18:54:43.200000 | 2456622.429000 25 Nov 2013 22:17:45.600000 | 3.300 | 3.300 |
LV | R J Livesey | 38 | 2455912.338000 16 Dec 2011 20:06:43.200000 | 2456766.365000 18 Apr 2014 20:45:36.000000 | 3.800 | 3.300 |
BE | L K Brundle | 59 | 2455895.427000 29 Nov 2011 22:14:52.800000 | 2456657.284000 30 Dec 2013 18:48:57.600000 | 3.800 | 3.400 |
LOU | D Loughney | 100 | 2455642.350690 21 Mar 2011 20:24:59.616000 | 2456413.381250 30 Apr 2013 21:09:00.000000 | 3.690 | 3.150 |
DSC | D Scanlan | 61 | 2454470.508000 5 Jan 2008 00:11:31.200000 | 2458215.388000 6 Apr 2018 21:18:43.200000 | 4.300 | 2.600 |
TLH | T L Heywood | 47 | 2457615.622000 15 Aug 2016 02:55:40.800000 | 2460200.649000 13 Sep 2023 03:34:33.600000 | 3.960 | 3.200 |
KGF | K Griffiths | 4 | 2457805.417000 20 Feb 2017 22:00:28.800000 | 2459196.323000 12 Dec 2020 19:45:07.200000 | 3.800 | 3.200 |
KID | M K Kidger | 18 | 2458088.490000 30 Nov 2017 23:45:36.000000 | 2458966.354000 26 Apr 2020 20:29:45.600000 | 3.600 | 3.100 |
RHF | R B I Fraser | 20 | 2442461.387000 17 Feb 1975 21:17:16.800000 | 2447596.354000 10 Mar 1989 20:29:45.600000 | 3.500 | 2.900 |
RKH | R K Hunt | 3 | 2459141.715700 19 Oct 2020 05:10:36.480000 | 2459179.374300 25 Nov 2020 20:58:59.520000 | 4.100 | 3.800 |
WEK | K West | 19 | 2450118.333300 4 Feb 1996 19:59:57.120000 | 2450870.293100 25 Feb 1998 19:02:03.840000 | 3.430 | 3.150 |