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Observation Summary for Variable Star OP HER

Total observations:8,024Minimum magnitude: 7.400Maximum magnitude: 5.200
First observation:JD 2440230.612000\9 Jan 1969 02:41:16.800000 UTLatest observation:JD 2460626.281000\11 Nov 2024 18:44:38.400000 UT
Observation MethodNumber of Observations
Visual7,591
CCD26
CMOS289
PEP118

Back to Basic Summary

Summary by Stars

Observer IdObserver NameNumber of ObservationsFirst Observation JD / UTLatest Observation JD / UTMinimum MagnitudeMaximum Magnitude
HCC Henshaw732440954.700000
3 Jan 1971 04:48:00.000000
2451746.500000
21 Jul 2000 00:00:00.000000
7.3006.000
RDD W Robinson322440971.600000
20 Jan 1971 02:24:00.000000
2441497.500000
29 Jun 1972 00:00:00.000000
6.4006.200
UPD A Pickup132441001.500000
19 Feb 1971 00:00:00.000000
2441181.600000
18 Aug 1971 02:24:00.000000
6.6006.150
HHI D Howarth62441003.700000
21 Feb 1971 04:48:00.000000
2441148.500000
16 Jul 1971 00:00:00.000000
6.7005.950
EDK J England32441005.800000
23 Feb 1971 07:12:00.000000
2441147.400000
14 Jul 1971 21:36:00.000000
6.4006.100
GHT Gough102441032.500000
22 Mar 1971 00:00:00.000000
2442017.239500
30 Nov 1973 17:44:52.800000
6.8005.900
ISJ E Isles692440230.612000
9 Jan 1969 02:41:16.800000
2447853.158300
22 Nov 1989 15:47:57.120000
6.9005.960
HJP J Harpur122441053.500000
12 Apr 1971 00:00:00.000000
2441253.400000
28 Oct 1971 21:36:00.000000
6.2005.800
BIJ Bingham192441057.600000
16 Apr 1971 02:24:00.000000
2441646.300000
24 Nov 1972 19:12:00.000000
6.3005.900
VJJ D Wise92441061.400000
19 Apr 1971 21:36:00.000000
2441195.400000
31 Aug 1971 21:36:00.000000
6.7006.000
NOD J Northwood32441068.400000
26 Apr 1971 21:36:00.000000
2441248.300000
23 Oct 1971 19:12:00.000000
6.2805.900
YPP Yates32441141.400000
8 Jul 1971 21:36:00.000000
2441179.400000
15 Aug 1971 21:36:00.000000
6.5006.300
GEA Gardner382441158.500000
26 Jul 1971 00:00:00.000000
2445625.309700
17 Oct 1983 19:25:58.080000
6.9005.880
FMV J Freeman22441162.500000
30 Jul 1971 00:00:00.000000
2441275.300000
19 Nov 1971 19:12:00.000000
6.4506.040
QAP Quadt212441170.600000
7 Aug 1971 02:24:00.000000
2441654.500000
3 Dec 1972 00:00:00.000000
6.3006.000
SRR Steer142441178.500000
15 Aug 1971 00:00:00.000000
2442342.348600
21 Oct 1974 20:21:59.040000
6.7006.020
CPP R Clayton62441226.300000
1 Oct 1971 19:12:00.000000
2441573.400000
12 Sep 1972 21:36:00.000000
6.7006.000
PMM Poxon382441229.300000
4 Oct 1971 19:12:00.000000
2442720.271500
3 Nov 1975 18:30:57.600000
6.6005.700
CMM Currie472441230.300000
5 Oct 1971 19:12:00.000000
2442048.236100
31 Dec 1973 17:39:59.040000
6.7005.950
HYP W Hornby582441421.400000
13 Apr 1972 21:36:00.000000
2442326.500000
6 Oct 1974 00:00:00.000000
6.9105.200
NMP Newman12441454.400000
16 May 1972 21:36:00.000000
2441454.400000
16 May 1972 21:36:00.000000
6.4006.400
MMI A Middlemist6212441698.312500
15 Jan 1973 19:30:00.000000
2451532.236100
19 Dec 1999 17:39:59.040000
7.2005.700
JBB Jobson82441699.694400
17 Jan 1973 04:39:56.160000
2441838.499300
4 Jun 1973 23:58:59.520000
7.1006.500
HGM S Hoenig922441921.416600
26 Aug 1973 21:59:54.240000
2446271.443700
24 Jul 1985 22:38:55.680000
6.8006.000
POA K Porter12442151.545100
14 Apr 1974 01:04:56.640000
2442151.545100
14 Apr 1974 01:04:56.640000
6.3006.300
HFG M Hurst82442152.393700
14 Apr 1974 21:26:55.680000
2442636.405500
11 Aug 1975 21:43:55.200000
6.9805.920
TYM D Taylor1,3412442186.496500
18 May 1974 23:54:57.600000
2457026.244000
3 Jan 2015 17:51:21.600000
7.1005.600
HUD Hufton472442234.461100
5 Jul 1974 23:03:59.040000
2444138.363100
21 Sep 1979 20:42:51.840000
7.2006.100
YGD L Young172442270.562500
11 Aug 1974 01:30:00.000000
2442770.334000
23 Dec 1975 20:00:57.600000
7.0705.900
WSE J W West102442277.469400
17 Aug 1974 23:15:56.160000
2442411.265200
29 Dec 1974 18:21:53.280000
6.9506.600
BST Brelstaff92442306.312500
15 Sep 1974 19:30:00.000000
2442399.260400
17 Dec 1974 18:14:58.560000
6.4006.100
KGG J Kirby312442307.395800
16 Sep 1974 21:29:57.120000
2442889.458300
20 Apr 1976 22:59:57.120000
6.8605.800
MXL R Matthews102442347.284700
26 Oct 1974 18:49:58.080000
2442988.500000
29 Jul 1976 00:00:00.000000
6.7005.600
BJB J Beesley372442505.529100
3 Apr 1975 00:41:54.240000
2443088.351300
5 Nov 1976 20:25:52.320000
6.6805.900
MYA Maudsley142442585.579100
22 Jun 1975 01:53:54.240000
2443048.314500
26 Sep 1976 19:32:52.800000
6.8005.900
RTD A Rothery62442594.479100
30 Jun 1975 23:29:54.240000
2442865.493000
27 Mar 1976 23:49:55.200000
6.5406.000
VBJ S Bullivant302442846.548600
9 Mar 1976 01:09:59.040000
2443143.293700
30 Dec 1976 19:02:55.680000
6.7506.230
PSP J Swift272442976.472200
16 Jul 1976 23:19:58.080000
2443464.377700
16 Nov 1977 21:03:53.280000
6.7005.950
HOA J Hollis52443421.322900
4 Oct 1977 19:44:58.560000
2443506.288100
28 Dec 1977 18:54:51.840000
6.6005.900
RHFR B I Fraser2112443662.493000
2 Jun 1978 23:49:55.200000
2460586.472000
2 Oct 2024 23:19:40.800000
7.0405.960
NRR H Mcnaught32443771.472200
19 Sep 1978 23:19:58.080000
2443873.769400
31 Dec 1978 06:27:56.160000
6.4406.200
AXC M Allen412444792.459000
6 Jul 1981 23:00:57.600000
2445119.462500
29 May 1982 23:06:00.000000
6.6105.960
RLR Billington52444890.323600
12 Oct 1981 19:45:59.040000
2449705.734000
19 Dec 1994 05:36:57.600000
6.2006.000
NZI P Nartowicz882444900.395800
22 Oct 1981 21:29:57.120000
2450026.479100
4 Nov 1995 23:29:54.240000
6.8006.130
QMT Markham8692444064.441000
9 Jul 1979 22:35:02.400000
2457546.517000
7 Jun 2016 00:24:28.800000
7.0005.800
KHI H Kennedy62445169.537500
19 Jul 1982 00:54:00.000000
2445266.409700
23 Oct 1982 21:49:58.080000
6.7606.280
ONN M Bone4572445180.437500
29 Jul 1982 22:30:00.000000
2454640.458300
22 Jun 2008 22:59:57.120000
7.1005.470
IWW J Worraker1612445380.729100
15 Feb 1983 05:29:54.240000
2447417.549300
13 Sep 1988 01:10:59.520000
6.9305.900
AGS W Albrighton1582445467.434000
12 May 1983 22:24:57.600000
2460626.281000
11 Nov 2024 18:44:38.400000
7.0006.100
QRAG Ramsay2092445885.531200
4 Jul 1984 00:44:55.680000
2449247.430500
16 Sep 1993 22:19:55.200000
6.9005.900
DSD M Swain522446126.445100
1 Mar 1985 22:40:56.640000
2447487.285400
21 Nov 1988 18:50:58.560000
6.6605.800
IJJ S Smith562446212.470100
26 May 1985 23:16:56.640000
2447770.365200
31 Aug 1989 20:45:53.280000
6.9005.970
UTA Hutchings192446683.378400
9 Sep 1986 21:04:53.760000
2446947.443700
31 May 1987 22:38:55.680000
6.8006.070
CHAA Chapman62446720.420100
16 Oct 1986 22:04:56.640000
2447081.364500
12 Oct 1987 20:44:52.800000
6.7306.070
GERR J Geddes12446896.427000
10 Apr 1987 22:14:52.800000
2446896.427000
10 Apr 1987 22:14:52.800000
6.7006.700
MJDM J D Price52446909.406900
23 Apr 1987 21:45:56.160000
2447035.396500
27 Aug 1987 21:30:57.600000
6.6006.130
NHM B Houchen42446917.440900
1 May 1987 22:34:53.760000
2447081.305500
12 Oct 1987 19:19:55.200000
6.3105.320
POGG Pointer422446924.429800
8 May 1987 22:18:54.720000
2449828.494400
20 Apr 1995 23:51:56.160000
6.8005.950
SMAA Smeaton202446926.464500
10 May 1987 23:08:52.800000
2448839.390900
4 Aug 1992 21:22:53.760000
6.7006.070
TJJ Toone1,4902444068.496000
13 Jul 1979 23:54:14.400000
2460606.310000
22 Oct 2024 19:26:24.000000
7.4005.700
FRWR W Fleet212447354.569400
12 Jul 1988 01:39:56.160000
2448062.497200
19 Jun 1990 23:55:58.080000
6.7005.900
WEKK West1212447762.383300
23 Aug 1989 21:11:57.120000
2451861.212500
12 Nov 2000 17:06:00.000000
6.8605.840
KOUS Koushiappas12448398.302000
21 May 1991 19:14:52.800000
2448398.302000
21 May 1991 19:14:52.800000
6.1006.100
JSDJ S Day1592448632.768000
11 Jan 1992 06:25:55.200000
2451077.302700
20 Sep 1998 19:15:53.280000
7.1006.000
MIGM Gill42448690.611100
9 Mar 1992 02:39:59.040000
2449563.479100
29 Jul 1994 23:29:54.240000
6.4006.200
EAS J Evans42448756.444400
13 May 1992 22:39:56.160000
2449451.437500
8 Apr 1994 22:30:00.000000
6.9206.500
OHBB O'Halloran82448827.506200
24 Jul 1992 00:08:55.680000
2449127.506900
20 May 1993 00:09:56.160000
6.6006.130
EYUE Yusuf152448828.406200
24 Jul 1992 21:44:55.680000
2453228.388900
10 Aug 2004 21:20:00.960000
6.8006.070
UNB R M Munden1352448835.416600
31 Jul 1992 21:59:54.240000
2453002.255600
28 Dec 2003 18:08:03.840000
7.2005.800
RAMR A Marriott22449071.483300
24 Mar 1993 23:35:57.120000
2449077.593700
31 Mar 1993 02:14:55.680000
6.3006.130
PCRP Craven72449109.401300
1 May 1993 21:37:52.320000
2449790.272900
13 Mar 1995 18:32:58.560000
6.8006.000
GAVD Gavine2762449252.381900
21 Sep 1993 21:09:56.160000
2455150.326000
14 Nov 2009 19:49:26.400000
7.0006.000
DKLD K Lloyd12449508.538800
5 Jun 1994 00:55:52.320000
2449508.538800
5 Jun 1994 00:55:52.320000
6.6006.600
SJOS Johnston312450894.579800
22 Mar 1998 01:54:54.720000
2451870.852700
22 Nov 2000 08:27:53.280000
6.7506.130
BMDB MacDonald32455660.556900
9 Apr 2011 01:21:56.160000
2456159.502000
20 Aug 2012 00:02:52.800000
6.2006.200
BMBB MacDonald52456016.693100
30 Mar 2012 04:38:03.840000
2456072.476400
24 May 2012 23:26:00.960000
6.2005.900
BARM Barrett322456419.465000
6 May 2013 23:09:36.000000
2460534.448000
11 Aug 2024 22:45:07.200000
6.7005.800
RPER Pearce132457144.486000
1 May 2015 23:39:50.400000
2460610.354000
26 Oct 2024 20:29:45.600000
6.7005.700
TLHT L Heywood1182457573.517000
4 Jul 2016 00:24:28.800000
2460209.469000
21 Sep 2023 23:15:21.600000
6.7006.100
-SKG Stefanopoulos12457223.377000
19 Jul 2015 21:02:52.800000
2457223.377000
19 Jul 2015 21:02:52.800000
6.6006.600
IRC M Briden52458103.750000
16 Dec 2017 06:00:00.000000
2458140.771000
22 Jan 2018 06:30:14.400000
6.2006.100
BMUJ Muirden12440302.700000
22 Mar 1969 04:48:00.000000
2440302.700000
22 Mar 1969 04:48:00.000000
6.8006.800
RKHR K Hunt522458391.339000
29 Sep 2018 20:08:09.600000
2460290.270000
11 Dec 2023 18:28:48.000000
6.6005.700
GPFG Fleming532458819.233560
1 Dec 2019 17:36:19.584000
2459947.205750
2 Jan 2023 16:56:16.800000
6.5056.038
CWSC Watkins2622459800.431337
8 Aug 2022 22:21:07.516800
2459914.263432
30 Nov 2022 18:19:20.524800
6.6626.099