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Observation Summary for Variable Star BL ORI

Total observations:3,455Minimum magnitude: 7.700Maximum magnitude: 5.710
First observation:JD 2439865.400000\9 Jan 1968 21:36:00.000000 UTLatest observation:JD 2460610.726000\27 Oct 2024 05:25:26.400000 UT
Observation MethodNumber of Observations
Visual3,427
CCD12
CMOS16

Back to Basic Summary

Summary by Stars

Observer IdObserver NameNumber of ObservationsFirst Observation JD / UTLatest Observation JD / UTMinimum MagnitudeMaximum Magnitude
BMLB Morell62440955.400000
3 Jan 1971 21:36:00.000000
2440982.400000
30 Jan 1971 21:36:00.000000
6.7006.400
ASA L Smith72440971.300000
19 Jan 1971 19:12:00.000000
2441066.400000
24 Apr 1971 21:36:00.000000
7.2206.350
HCC Henshaw402440971.400000
19 Jan 1971 21:36:00.000000
2442047.577800
31 Dec 1973 01:52:01.920000
7.0006.200
UPD A Pickup62440972.300000
20 Jan 1971 19:12:00.000000
2441068.400000
26 Apr 1971 21:36:00.000000
6.5206.420
BGLD J Galera42440977.300000
25 Jan 1971 19:12:00.000000
2441005.400000
22 Feb 1971 21:36:00.000000
7.1706.800
HHI D Howarth42440983.400000
31 Jan 1971 21:36:00.000000
2441053.400000
11 Apr 1971 21:36:00.000000
6.6105.710
EDK J England32440983.400000
31 Jan 1971 21:36:00.000000
2441006.400000
23 Feb 1971 21:36:00.000000
7.1506.400
HJP J Harpur22440986.500000
4 Feb 1971 00:00:00.000000
2441341.500000
25 Jan 1972 00:00:00.000000
6.3406.200
GHT Gough122440996.300000
13 Feb 1971 19:12:00.000000
2441932.027800
6 Sep 1973 12:40:01.920000
6.8006.390
YPP Yates32440996.300000
13 Feb 1971 19:12:00.000000
2441033.300000
22 Mar 1971 19:12:00.000000
6.8006.400
BIJ Bingham92440996.400000
13 Feb 1971 21:36:00.000000
2441658.500000
7 Dec 1972 00:00:00.000000
6.5005.780
FMV J Freeman42441001.400000
18 Feb 1971 21:36:00.000000
2441341.400000
24 Jan 1972 21:36:00.000000
6.8506.370
VJJ D Wise12441004.400000
21 Feb 1971 21:36:00.000000
2441004.400000
21 Feb 1971 21:36:00.000000
6.7506.750
CPP R Clayton52441026.300000
15 Mar 1971 19:12:00.000000
2441682.500000
31 Dec 1972 00:00:00.000000
6.6005.900
KEH Kenyon32441051.400000
9 Apr 1971 21:36:00.000000
2441054.400000
12 Apr 1971 21:36:00.000000
6.3006.200
ISJ E Isles322440226.365000
4 Jan 1969 20:45:36.000000
2447837.408300
6 Nov 1989 21:47:57.120000
7.2006.100
BLJ Van Der Bilt12441247.600000
23 Oct 1971 02:24:00.000000
2441247.600000
23 Oct 1971 02:24:00.000000
6.6006.600
CMM Currie222441250.500000
26 Oct 1971 00:00:00.000000
2442048.381900
31 Dec 1973 21:09:56.160000
6.8006.290
GEA Gardner292441266.500000
11 Nov 1971 00:00:00.000000
2445210.626300
29 Aug 1982 03:01:52.320000
7.0406.400
ABN R Baker32441309.400000
23 Dec 1971 21:36:00.000000
2441337.300000
20 Jan 1972 19:12:00.000000
6.9206.600
HFG M Hurst232441309.400000
23 Dec 1971 21:36:00.000000
2442088.280600
9 Feb 1974 18:44:03.840000
6.8006.240
PMM Poxon32441323.400000
6 Jan 1972 21:36:00.000000
2441361.300000
13 Feb 1972 19:12:00.000000
6.4606.000
GOA Good52441329.300000
12 Jan 1972 19:12:00.000000
2441401.300000
24 Mar 1972 19:12:00.000000
7.0307.030
HYP W Hornby172441622.600000
1 Nov 1972 02:24:00.000000
2442044.570800
28 Dec 1973 01:41:57.120000
7.1806.200
JBB Jobson92441629.600000
8 Nov 1972 02:24:00.000000
2441765.438900
23 Mar 1973 22:32:00.960000
7.1506.400
RHFR B I Fraser2492443803.701400
22 Oct 1978 04:50:00.960000
2460586.521000
3 Oct 2024 00:30:14.400000
7.2006.200
AXC M Allen112445051.370800
22 Mar 1982 20:53:57.120000
2455840.309000
5 Oct 2011 19:24:57.600000
7.7006.330
COE H Collinson252445293.444400
19 Nov 1982 22:39:56.160000
2446525.372200
4 Apr 1986 20:55:58.080000
7.0206.240
VNS R Srinivasan1212445314.194400
10 Dec 1982 16:39:56.160000
2448985.187500
28 Dec 1992 16:30:00.000000
7.1505.900
IWW J Worraker322445344.509000
10 Jan 1983 00:12:57.600000
2445993.677000
20 Oct 1984 04:14:52.800000
6.8006.150
QRAG Ramsay1432445652.506900
14 Nov 1983 00:09:56.160000
2449062.302000
15 Mar 1993 19:14:52.800000
7.2205.830
AVJ E Agar102445671.408300
2 Dec 1983 21:47:57.120000
2445813.438800
22 Apr 1984 22:31:52.320000
6.8506.340
HBM A Hather192445711.342300
11 Jan 1984 20:12:54.720000
2446059.338100
24 Dec 1984 20:06:51.840000
6.8005.980
UNB R M Munden1522445792.373600
1 Apr 1984 20:57:59.040000
2453002.397200
28 Dec 2003 21:31:58.080000
7.1206.090
TYM D Taylor3232443887.450000
13 Jan 1979 22:48:00.000000
2457089.323000
7 Mar 2015 19:45:07.200000
7.1005.800
QMT Markham5082444332.420000
2 Apr 1980 22:04:48.000000
2457496.361000
17 Apr 2016 20:39:50.400000
7.1006.500
AGS W Albrighton992446029.434000
24 Nov 1984 22:24:57.600000
2460373.389000
3 Mar 2024 21:20:09.600000
7.2006.000
TQP Mettam282446092.336800
26 Jan 1985 20:04:59.520000
2446917.375000
1 May 1987 21:00:00.000000
6.9506.500
RAKR A Kendall162446446.324300
15 Jan 1986 19:46:59.520000
2446892.336800
6 Apr 1987 20:04:59.520000
6.8005.870
UTA Hutchings62446876.384000
21 Mar 1987 21:12:57.600000
2446909.379800
23 Apr 1987 21:06:54.720000
6.9106.800
XXX42447120.402700
20 Nov 1987 21:39:53.280000
2447161.388100
31 Dec 1987 21:18:51.840000
7.1506.720
TJJ Toone9662444309.454000
10 Mar 1980 22:53:45.600000
2460610.726000
27 Oct 2024 05:25:26.400000
7.2406.200
SMAA Smeaton22447769.610400
31 Aug 1989 02:38:58.560000
2448507.642300
8 Sep 1991 03:24:54.720000
6.8406.800
POGG Pointer222447823.673600
24 Oct 1989 04:09:59.040000
2450076.407600
24 Dec 1995 21:46:56.640000
7.2006.240
EYUE Yusuf12449058.402700
11 Mar 1993 21:39:53.280000
2449058.402700
11 Mar 1993 21:39:53.280000
6.6006.600
NZI P Nartowicz812449465.520800
23 Apr 1994 00:29:57.120000
2450020.708300
30 Oct 1995 04:59:57.120000
6.8005.800
MMI A Middlemist242441730.312500
16 Feb 1973 19:30:00.000000
2451176.395800
28 Dec 1998 21:29:57.120000
7.2006.500
VGMV G Mormyl72450846.300000
1 Feb 1998 19:12:00.000000
2450898.200000
25 Mar 1998 16:48:00.000000
7.0006.800
SJOS Johnston52451118.536800
1 Nov 1998 00:52:59.520000
2451272.374300
3 Apr 1999 20:58:59.520000
6.6506.390
-SKG Stefanopoulos12452575.535400
28 Oct 2002 00:50:58.560000
2452575.535400
28 Oct 2002 00:50:58.560000
6.1006.100
PCC Pezzarossa12442019.281300
2 Dec 1973 18:45:04.320000
2442019.281300
2 Dec 1973 18:45:04.320000
6.5006.500
POA K Porter22441947.545100
22 Sep 1973 01:04:56.640000
2441953.527800
28 Sep 1973 00:40:01.920000
6.6006.600
PJA R Pratt22441738.395800
24 Feb 1973 21:29:57.120000
2441748.441000
6 Mar 1973 22:35:02.400000
6.7006.600
SRR Steer52441745.451400
3 Mar 1973 22:50:00.960000
2442061.390300
13 Jan 1974 21:22:01.920000
6.9006.300
YDD Young12441801.441000
28 Apr 1973 22:35:02.400000
2441801.441000
28 Apr 1973 22:35:02.400000
7.0007.000
BST Brelstaff542442277.611100
18 Aug 1974 02:39:59.040000
2444601.329900
27 Dec 1980 19:55:03.360000
7.0006.200
REN Reid302442333.538200
13 Oct 1974 00:55:00.480000
2443134.368100
21 Dec 1976 20:50:03.840000
7.1006.000
HUD Hufton112442424.472900
11 Jan 1975 23:20:58.560000
2444181.523600
4 Nov 1979 00:33:59.040000
7.0006.400
KGG J Kirby162442417.458300
4 Jan 1975 22:59:57.120000
2442872.395800
3 Apr 1976 21:29:57.120000
6.8005.900
HOA J Hollis182442780.399300
2 Jan 1976 21:34:59.520000
2443141.288200
28 Dec 1976 18:55:00.480000
7.0006.400
BJB J Beesley22455265.914600
10 Mar 2010 09:57:01.440000
2455480.728500
11 Oct 2010 05:29:02.400000
6.6006.300
RAFR Braga22455550.375000
19 Dec 2010 21:00:00.000000
2455558.447900
27 Dec 2010 22:44:58.560000
6.6006.500
BMBB MacDonald82455943.403500
16 Jan 2012 21:41:02.400000
2456013.384000
26 Mar 2012 21:12:57.600000
7.0006.700
BARM Barrett372456595.575000
30 Oct 2013 01:48:00.000000
2458877.472000
28 Jan 2020 23:19:40.800000
7.1006.100
RPER Pearce92457403.569000
16 Jan 2016 01:39:21.600000
2458900.417000
20 Feb 2020 22:00:28.800000
7.0006.400
TLHT L Heywood1072457615.622000
15 Aug 2016 02:55:40.800000
2460232.625000
15 Oct 2023 03:00:00.000000
7.1006.700
PMUP Mulligan52458139.356000
20 Jan 2018 20:32:38.400000
2458512.318000
28 Jan 2019 19:37:55.200000
6.6006.200
SWD R B Saw22440287.400000
6 Mar 1969 21:36:00.000000
2440308.300000
27 Mar 1969 19:12:00.000000
6.7006.700
BMUJ Muirden72439865.400000
9 Jan 1968 21:36:00.000000
2440286.300000
5 Mar 1969 19:12:00.000000
6.6006.000
GPFG Fleming282458869.510690
21 Jan 2020 00:15:23.616000
2460392.372970
22 Mar 2024 20:57:04.608000
6.5516.131