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Observation Summary for Variable Star BL LAC

Total observations:3,871Minimum magnitude: 15.900Maximum magnitude: 11.844
First observation:JD 2445938.492000\25 Aug 1984 23:48:28.800000 UTLatest observation:JD 2460327.297200\17 Jan 2024 19:07:58.080000 UT
Observation MethodNumber of Observations
Visual2,606
CCD1,235
DSLR10
CMOS20

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Summary by Stars

Observer IdObserver NameNumber of ObservationsFirst Observation JD / UTLatest Observation JD / UTMinimum MagnitudeMaximum Magnitude
XGG Poyner1,5402448832.485400
28 Jul 1992 23:38:58.560000
2460327.297200
17 Jan 2024 19:07:58.080000
15.88011.844
IWW J Worraker1392449114.632600
7 May 1993 03:10:56.640000
2453357.404900
17 Dec 2004 21:43:03.360000
15.60012.800
TJJ Toone6202445938.492000
25 Aug 1984 23:48:28.800000
2460280.277000
1 Dec 2023 18:38:52.800000
15.90011.900
MACJ Mackey242450650.412000
20 Jul 1997 21:53:16.800000
2450727.299000
5 Oct 1997 19:10:33.600000
15.40013.250
CPJC P Jones1602451355.552000
26 Jun 1999 01:14:52.800000
2455153.320100
17 Nov 2009 19:40:56.640000
15.40013.400
HWMH W McGee112451383.540900
24 Jul 1999 00:58:53.760000
2452908.376400
25 Sep 2003 21:02:00.960000
14.40013.300
PIR D Pickard4272451454.472200
2 Oct 1999 23:19:58.080000
2457000.332660
8 Dec 2014 19:59:01.824000
14.68213.760
EMUE Muyllaert582451458.354000
6 Oct 1999 20:29:45.600000
2451900.279000
21 Dec 2000 18:41:45.600000
14.80013.000
BJB J Beesley242454963.599300
12 May 2009 02:22:59.520000
2455516.416000
15 Nov 2010 21:59:02.400000
15.50014.100
MDR W Middleton82452133.399300
11 Aug 2001 21:34:59.520000
2452900.354200
17 Sep 2003 20:30:02.880000
13.40013.300
WVP B Withers552455448.457600
8 Sep 2010 22:58:56.640000
2457060.297000
6 Feb 2015 19:07:40.800000
15.70013.200
DDBD Boyd5932453323.294051
13 Nov 2004 19:03:26.006400
2460151.439550
25 Jul 2023 22:32:57.120000
14.16712.413
AJWA J Wilson1042453709.264086
4 Dec 2005 18:20:17.030400
2456572.311660
6 Oct 2013 19:28:47.424000
15.71012.739
DGSAG Darlington362456134.391000
25 Jul 2012 21:23:02.400000
2456138.384000
29 Jul 2012 21:12:57.600000
14.71913.189
HFG M Hurst12456138.634700
30 Jul 2012 03:13:58.080000
2456138.634700
30 Jul 2012 03:13:58.080000
14.50014.500
HULV Hull52456543.615000
8 Sep 2013 02:45:36.000000
2457320.391700
24 Oct 2015 21:24:02.880000
14.40013.300
TKNT Killestein122457979.441947
13 Aug 2017 22:36:24.220800
2458003.683465
7 Sep 2017 04:24:11.376000
14.28113.753
WPSW Parkes102458385.351040
23 Sep 2018 20:25:29.856000
2460242.376740
24 Oct 2023 21:02:30.336000
14.24813.015
RKHR K Hunt12453003.313800
29 Dec 2003 19:31:52.320000
2453003.313800
29 Dec 2003 19:31:52.320000
13.00013.000
PCLP C Leyland42459093.480532
31 Aug 2020 23:31:57.964800
2460171.469079
14 Aug 2023 23:15:28.425600
13.89313.181
RPER Pearce132459410.500000
15 Jul 2021 00:00:00.000000
2459449.521000
23 Aug 2021 00:30:14.400000
13.03111.916
IWTI L Walton62459464.608490
7 Sep 2021 02:36:13.536000
2460224.522220
7 Oct 2023 00:31:59.808000
14.59012.951
GPFG Fleming202459924.359710
10 Dec 2022 20:37:58.944000
2460280.327370
1 Dec 2023 19:51:24.768000
14.17912.553