BAA Logo British Astronomical Association
Supporting amateur astronomers since 1890
BAAVSS Logo Home Login
Help

Observation Summary for Variable Star X OPH

Total observations:5,887Minimum magnitude: 9.799Maximum magnitude: 4.400
First observation:JD 2433193.381900\3 Oct 1949 21:09:56.160000 UTLatest observation:JD 2460626.285000\11 Nov 2024 18:50:24.000000 UT
Observation MethodNumber of Observations
Visual5,156
Photographic7
CCD724

Back to Basic Summary

Summary by Stars

Observer IdObserver NameNumber of ObservationsFirst Observation JD / UTLatest Observation JD / UTMinimum MagnitudeMaximum Magnitude
ASA L Smith72440980.800000
29 Jan 1971 07:12:00.000000
2441245.400000
20 Oct 1971 21:36:00.000000
8.4007.600
HHI D Howarth52441003.700000
21 Feb 1971 04:48:00.000000
2441162.500000
30 Jul 1971 00:00:00.000000
8.5006.900
UPD A Pickup112441027.700000
17 Mar 1971 04:48:00.000000
2441182.500000
19 Aug 1971 00:00:00.000000
8.0007.100
GHT Gough152441035.600000
25 Mar 1971 02:24:00.000000
2441578.400000
17 Sep 1972 21:36:00.000000
8.8007.700
ISJ E Isles622440308.646000
28 Mar 1969 03:30:14.400000
2447847.202700
16 Nov 1989 16:51:53.280000
8.7006.550
VJJ D Wise62441059.600000
18 Apr 1971 02:24:00.000000
2441189.400000
25 Aug 1971 21:36:00.000000
7.9007.200
BIJ Bingham142441061.600000
20 Apr 1971 02:24:00.000000
2441594.300000
3 Oct 1972 19:12:00.000000
8.6007.100
FMV J Freeman32441072.600000
1 May 1971 02:24:00.000000
2441248.300000
23 Oct 1971 19:12:00.000000
8.4007.600
HCC Henshaw172441092.500000
21 May 1971 00:00:00.000000
2441596.400000
5 Oct 1972 21:36:00.000000
9.1007.100
EDK J England22441140.500000
8 Jul 1971 00:00:00.000000
2441147.400000
14 Jul 1971 21:36:00.000000
7.3007.200
YPP Yates42441141.500000
9 Jul 1971 00:00:00.000000
2441193.400000
29 Aug 1971 21:36:00.000000
7.5007.200
CPP R Clayton62441226.400000
1 Oct 1971 21:36:00.000000
2441561.400000
31 Aug 1972 21:36:00.000000
8.5007.300
HYP W Hornby122441421.400000
13 Apr 1972 21:36:00.000000
2441643.300000
21 Nov 1972 19:12:00.000000
8.6507.500
TYM D Taylor5682441482.500000
14 Jun 1972 00:00:00.000000
2456995.230000
3 Dec 2014 17:31:12.000000
9.2006.000
YDD Young92441543.600000
14 Aug 1972 02:24:00.000000
2441676.200000
24 Dec 1972 16:48:00.000000
9.2008.400
HFG M Hurst82441571.300000
10 Sep 1972 19:12:00.000000
2445472.556200
18 May 1983 01:20:55.680000
8.6507.300
JBB Jobson72441578.400000
17 Sep 1972 21:36:00.000000
2441655.200000
3 Dec 1972 16:48:00.000000
9.0008.600
AGS W Albrighton7332444692.562500
29 Mar 1981 01:30:00.000000
2460626.285000
11 Nov 2024 18:50:24.000000
8.8006.500
SKJ D Shanklin5312444758.478400
2 Jun 1981 23:28:53.760000
2460606.288000
22 Oct 2024 18:54:43.200000
9.3006.600
MMI A Middlemist2032444782.434000
26 Jun 1981 22:24:57.600000
2452592.322900
13 Nov 2002 19:44:58.560000
9.2006.600
AXC M Allen302444793.512500
8 Jul 1981 00:18:00.000000
2456141.379900
1 Aug 2012 21:07:03.360000
8.7007.300
RHFR B I Fraser1332443662.474000
2 Jun 1978 23:22:33.600000
2460610.357000
26 Oct 2024 20:34:04.800000
8.9506.600
VST G Saville82445154.506900
4 Jul 1982 00:09:56.160000
2445239.343700
26 Sep 1982 20:14:55.680000
8.6008.200
KHI H Kennedy32445169.543700
19 Jul 1982 01:02:55.680000
2445266.354100
23 Oct 1982 20:29:54.240000
8.2008.200
OTS Hoste52445201.410400
19 Aug 1982 21:50:58.560000
2445289.261100
15 Nov 1982 18:15:59.040000
8.6008.400
GEA Gardner22445202.427000
20 Aug 1982 22:14:52.800000
2445604.315900
26 Sep 1983 19:34:53.760000
8.2008.100
VNS R Srinivasan22445485.291600
30 May 1983 18:59:54.240000
2445493.333300
7 Jun 1983 19:59:57.120000
8.6308.500
IWW J Worraker2152445792.559700
2 Apr 1984 01:25:58.080000
2450008.343700
17 Oct 1995 20:14:55.680000
8.9006.700
HBM A Hather122445859.481200
7 Jun 1984 23:32:55.680000
2446029.252700
24 Nov 1984 18:03:53.280000
8.8007.100
DSD M Swain472445999.336100
25 Oct 1984 20:03:59.040000
2449896.422200
27 Jun 1995 22:07:58.080000
9.2806.470
QMT Markham4722443745.448000
24 Aug 1978 22:45:07.200000
2457546.472000
6 Jun 2016 23:19:40.800000
8.6006.800
TQP Mettam22446917.509700
2 May 1987 00:13:58.080000
2446966.464500
19 Jun 1987 23:08:52.800000
8.8007.980
HUD Hufton22447114.247900
14 Nov 1987 17:56:58.560000
2447120.295100
20 Nov 1987 19:04:56.640000
7.8007.500
TJJ Toone1,4052444059.472000
4 Jul 1979 23:19:40.800000
2460606.299000
22 Oct 2024 19:10:33.600000
8.8006.500
FRWR W Fleet222447262.670100
11 Apr 1988 04:04:56.640000
2448418.472900
10 Jun 1991 23:20:58.560000
8.6006.680
POGG Pointer222447751.381200
12 Aug 1989 21:08:55.680000
2449606.387500
10 Sep 1994 21:18:00.000000
8.6006.850
LVRR Livingstone152448097.440200
24 Jul 1990 22:33:53.280000
2448811.571500
8 Jul 1992 01:42:57.600000
8.2007.500
TPJ Thorpe192448126.065900
22 Aug 1990 13:34:53.760000
2449252.048600
21 Sep 1993 13:09:59.040000
9.0007.300
QRAG Ramsay12448518.361100
18 Sep 1991 20:39:59.040000
2448518.361100
18 Sep 1991 20:39:59.040000
8.6008.600
EAS J Evans22448763.482600
20 May 1992 23:34:56.640000
2448786.541600
13 Jun 1992 00:59:54.240000
7.8007.300
MINR Minty72449219.390200
19 Aug 1993 21:21:53.280000
2449478.493000
5 May 1994 23:49:55.200000
9.1008.020
NZI P Nartowicz342449663.479100
6 Nov 1994 23:29:54.240000
2450026.479100
4 Nov 1995 23:29:54.240000
8.5006.500
VPP Veleshchuk302450475.700000
27 Jan 1997 04:48:00.000000
2450764.200000
11 Nov 1997 16:48:00.000000
8.6006.300
BHGB H Granslo282450523.670000
16 Mar 1997 04:04:48.000000
2451796.350000
8 Sep 2000 20:24:00.000000
8.9006.800
SJOS Johnston32451018.506200
24 Jul 1998 00:08:55.680000
2451425.472200
3 Sep 1999 23:19:58.080000
7.8106.800
TIHT Hoare112451618.684000
15 Mar 2000 04:24:57.600000
2451811.361800
23 Sep 2000 20:40:59.520000
8.5006.300
-SKG Stefanopoulos292451776.357600
19 Aug 2000 20:34:56.640000
2456518.314000
13 Aug 2013 19:32:09.600000
8.5006.600
GTG T Buss12433193.381900
3 Oct 1949 21:09:56.160000
2433193.381900
3 Oct 1949 21:09:56.160000
8.1008.100
BMDB MacDonald22454896.731900
6 Mar 2009 05:33:56.160000
2456159.431000
19 Aug 2012 22:20:38.400000
7.6007.100
BJB J Beesley82454748.329200
8 Oct 2008 19:54:02.880000
2455264.687500
9 Mar 2010 04:30:00.000000
8.5007.000
RAFR Braga42455444.328500
4 Sep 2010 19:53:02.400000
2455476.288200
6 Oct 2010 18:55:00.480000
7.4006.700
JMMJ Meacham432452860.468800
8 Aug 2003 23:15:04.320000
2457270.409000
4 Sep 2015 21:48:57.600000
8.8006.200
BMBB MacDonald32456016.675000
30 Mar 2012 04:12:00.000000
2456073.508300
26 May 2012 00:11:57.120000
8.5008.400
BARM Barrett232456525.425000
20 Aug 2013 22:12:00.000000
2460533.535000
11 Aug 2024 00:50:24.000000
8.5006.800
CPMC Mann12456572.301000
6 Oct 2013 19:13:26.400000
2456572.301000
6 Oct 2013 19:13:26.400000
7.6007.600
DDBD Boyd7242456965.267980
3 Nov 2014 18:25:53.472000
2457737.232700
14 Dec 2016 17:35:05.280000
9.7996.269
BEL K Brundle1832456575.382000
9 Oct 2013 21:10:04.800000
2460575.345000
21 Sep 2024 20:16:48.000000
8.8006.100
TLHT L Heywood942457573.497000
3 Jul 2016 23:55:40.800000
2460121.455000
25 Jun 2023 22:55:12.000000
8.2006.900
RPER Pearce32457900.569000
27 May 2017 01:39:21.600000
2458627.549000
24 May 2019 01:10:33.600000
8.3006.800
KGFK Griffiths132457924.615000
20 Jun 2017 02:45:36.000000
2459002.604000
2 Jun 2020 02:29:45.600000
8.8004.400
JESC J Evans12459889.317000
5 Nov 2022 19:36:28.800000
2459889.317000
5 Nov 2022 19:36:28.800000
7.3007.300