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Observation Summary for Variable Star BL LAC

Total observations:4,704Minimum magnitude: 15.900Maximum magnitude: 11.844
First observation:JD 2445938.492000\25 Aug 1984 23:48:28.800000 UTLatest observation:JD 2460978.379200\29 Oct 2025 21:06:02.880000 UT
Observation MethodNumber of Observations
Visual2,708
CCD1,917
DSLR11
CMOS68

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Summary by Stars

Observer IdObserver NameNumber of ObservationsFirst Observation JD / UTLatest Observation JD / UTMinimum MagnitudeMaximum Magnitude
XGG Poyner1,6212448832.485400
28 Jul 1992 23:38:58.560000		2460978.379200
29 Oct 2025 21:06:02.880000		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 Toone6422445938.492000
25 Aug 1984 23:48:28.800000		2460948.368000
29 Sep 2025 20:49:55.200000		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 Withers562455448.457600
8 Sep 2010 22:58:56.640000		2460563.394000
9 Sep 2024 21:27:21.600000		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 Parkes112458385.351040
23 Sep 2018 20:25:29.856000		2460947.380900
28 Sep 2025 21:08:29.760000		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 Leyland52459093.480532
31 Aug 2020 23:31:57.964800		2460905.450810
17 Aug 2025 22:49:09.984000		14.75113.181
RPER Pearce132459410.500000
15 Jul 2021 00:00:00.000000		2459449.521000
23 Aug 2021 00:30:14.400000		13.03111.916
IWTI L Walton132459464.608490
7 Sep 2021 02:36:13.536000		2460857.605670
1 Jul 2025 02:32:09.888000		15.47112.951
GPFG Fleming202459924.359710
10 Dec 2022 20:37:58.944000		2460280.327370
1 Dec 2023 19:51:24.768000		14.17912.553
ISPI Sharp3672460562.544618
9 Sep 2024 01:04:14.995200		2460903.454421
15 Aug 2025 22:54:21.974400		14.66412.260
PRVG J Privett32460581.474110
27 Sep 2024 23:22:43.104000		2460664.374480
19 Dec 2024 20:59:15.072000		13.94013.930
MPSM Phillips3022460668.392930
23 Dec 2024 21:25:49.152000		2460978.343680
29 Oct 2025 20:14:53.952000		14.88413.617
MFHM Finch482460943.333530
24 Sep 2025 20:00:16.992000		2460956.329010
7 Oct 2025 19:53:46.464000		14.61613.524