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Observation Summary for Variable Star GK PER

Total observations:16,084Minimum magnitude: 16.143Maximum magnitude: 7.800
First observation:JD 2439370.395800\1 Sep 1966 21:29:57.120000 UTLatest observation:JD 2460626.501400\12 Nov 2024 00:02:00.960000 UT
Observation MethodNumber of Observations
Visual10,617
Photographic20
CCD5,378
CMOS69

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Summary by Stars

Observer IdObserver NameNumber of ObservationsFirst Observation JD / UTLatest Observation JD / UTMinimum MagnitudeMaximum Magnitude
MCD G Mccartan32439370.395800
1 Sep 1966 21:29:57.120000
2439376.447900
7 Sep 1966 22:44:58.560000
7.8007.800
LOR S Lomas1152439378.645800
10 Sep 1966 03:29:57.120000
2440218.718700
28 Dec 1968 05:14:55.680000
12.9009.000
WAE Waring22439410.375000
11 Oct 1966 21:00:00.000000
2439480.302000
20 Dec 1966 19:14:52.800000
12.60012.300
JNR H Jones22439466.381900
6 Dec 1966 21:09:56.160000
2439809.369400
14 Nov 1967 20:51:56.160000
11.22010.600
CTB A Carter272439492.315200
1 Jan 1967 19:33:53.280000
2439854.529100
30 Dec 1967 00:41:54.240000
13.20012.300
GNA Grayson32440101.500000
2 Sep 1968 00:00:00.000000
2440103.493000
3 Sep 1968 23:49:55.200000
13.18013.180
POA K Porter342442059.305500
11 Jan 1974 19:19:55.200000
2443937.333300
4 Mar 1979 19:59:57.120000
13.50011.000
HHI D Howarth52442074.300000
26 Jan 1974 19:12:00.000000
2442312.380000
21 Sep 1974 21:07:12.000000
13.20013.000
BPJ A Bailey322442300.437500
9 Sep 1974 22:30:00.000000
2443086.479100
3 Nov 1976 23:29:54.240000
13.80010.600
MXL R Matthews52442361.538100
10 Nov 1974 00:54:51.840000
2442479.315900
7 Mar 1975 19:34:53.760000
13.40011.000
HFG M Hurst4852442444.359000
31 Jan 1975 20:36:57.600000
2459880.724310
28 Oct 2022 05:23:00.384000
13.7009.700
HOA J Hollis412443400.413100
13 Sep 1977 21:54:51.840000
2444581.364500
7 Dec 1980 20:44:52.800000
14.00013.050
PIR D Pickard3,1752443433.333300
16 Oct 1977 19:59:57.120000
2458362.622640
1 Sep 2018 02:56:36.096000
13.6009.753
KMC Brookman72443441.404800
24 Oct 1977 21:42:54.720000
2443851.414500
8 Dec 1978 21:56:52.800000
12.60010.800
DTD Stott8892443511.322200
2 Jan 1978 19:43:58.080000
2448013.381900
1 May 1990 21:09:56.160000
13.50010.350
GHT Gough182443539.388800
30 Jan 1978 21:19:52.320000
2443951.354100
18 Mar 1979 20:29:54.240000
13.60013.000
PBM Peel22443549.390200
9 Feb 1978 21:21:53.280000
2443572.392300
4 Mar 1978 21:24:54.720000
13.50013.470
CHR H Chambers232443574.395800
6 Mar 1978 21:29:57.120000
2447085.489500
16 Oct 1987 23:44:52.800000
13.45010.520
LKK Lewis1082443746.512500
26 Aug 1978 00:18:00.000000
2445286.305500
12 Nov 1982 19:19:55.200000
13.45010.230
NRR H Mcnaught232443753.543700
2 Sep 1978 01:02:55.680000
2444109.506900
24 Aug 1979 00:09:56.160000
13.4509.400
EJJ W L Ells312443792.344400
10 Oct 1978 20:15:56.160000
2445815.370000
24 Apr 1984 20:52:48.000000
13.53010.800
KJS J Kay882444114.545100
29 Aug 1979 01:04:56.640000
2444939.450000
30 Nov 1981 22:48:00.000000
13.58010.390
XFL J Higgins82444148.486100
1 Oct 1979 23:39:59.040000
2444238.447900
30 Dec 1979 22:44:58.560000
12.60011.800
SWD R B Saw42444158.371500
11 Oct 1979 20:54:57.600000
2444488.500000
6 Sep 1980 00:00:00.000000
13.40013.000
PTR A H Paterson1,3492444970.320000
31 Dec 1981 19:40:48.000000
2459995.357000
19 Feb 2023 20:34:04.800000
14.2009.600
XEA T A Bueno152444979.770800
10 Jan 1982 06:29:57.120000
2445273.739500
31 Oct 1982 05:44:52.800000
13.20013.000
QCH Colquhoun142445265.481900
22 Oct 1982 23:33:56.160000
2445408.360000
14 Mar 1983 20:38:24.000000
13.70012.300
BEL K Brundle5222445387.740000
22 Feb 1983 05:45:36.000000
2460582.379000
28 Sep 2024 21:05:45.600000
13.3009.800
XGG Poyner1,8602445579.550000
2 Sep 1983 01:12:00.000000
2460626.501400
12 Nov 2024 00:02:00.960000
13.50010.000
ULS J Lubbock2512445969.393000
25 Sep 1984 21:25:55.200000
2447648.395800
1 May 1989 21:29:57.120000
13.20010.300
AGS W Albrighton102446111.312500
14 Feb 1985 19:30:00.000000
2459964.337000
19 Jan 2023 20:05:16.800000
13.20010.800
ISJ E Isles2372446837.293000
10 Feb 1987 19:01:55.200000
2447854.209700
23 Nov 1989 17:01:58.080000
13.20010.800
IWW J Worraker5452447097.652700
29 Oct 1987 03:39:53.280000
2454121.368100
20 Jan 2007 20:50:03.840000
13.6009.900
TJJ Toone2,0422445674.446000
5 Dec 1983 22:42:14.400000
2460615.279000
31 Oct 2024 18:41:45.600000
13.5009.800
DRR C Dryden5052447742.613100
4 Aug 1989 02:42:51.840000
2460298.362000
19 Dec 2023 20:41:16.800000
13.50010.200
CPJC P Jones1432447856.362500
25 Nov 1989 20:42:00.000000
2452381.339600
16 Apr 2002 20:09:01.440000
14.20010.300
KOUS Koushiappas82448217.222200
21 Nov 1990 17:19:58.080000
2448571.354100
10 Nov 1991 20:29:54.240000
13.30012.600
MIGM Gill1052448614.322900
23 Dec 1991 19:44:58.560000
2450498.451000
18 Feb 1997 22:49:26.400000
13.00010.250
WSE J W West32448913.405500
17 Oct 1992 21:43:55.200000
2448986.376300
29 Dec 1992 21:01:52.320000
13.00013.000
JSDJ S Day52449065.358300
18 Mar 1993 20:35:57.120000
2449801.345800
24 Mar 1995 20:17:57.120000
13.08013.000
FAMF Hamilton72449935.547900
6 Aug 1995 01:08:58.560000
2450039.386100
17 Nov 1995 21:15:59.040000
10.80010.800
KHOK Holland32449989.913800
29 Sep 1995 09:55:52.320000
2450122.425000
8 Feb 1996 22:12:00.000000
12.60010.800
JOGJ Greaves162450006.330500
15 Oct 1995 19:55:55.200000
2450122.290000
8 Feb 1996 18:57:36.000000
13.70012.600
SALG W Salmon382450035.407600
13 Nov 1995 21:46:56.640000
2452991.324300
17 Dec 2003 19:46:59.520000
13.70010.800
WEMM Westlund182450100.267000
17 Jan 1996 18:24:28.800000
2450882.360000
9 Mar 1998 20:38:24.000000
13.50010.700
JELL T Jensen192450110.271000
27 Jan 1996 18:30:14.400000
2450190.340000
16 Apr 1996 20:09:36.000000
13.10011.000
BSMS M Brincat22450129.348000
15 Feb 1996 20:21:07.200000
2450132.352000
18 Feb 1996 20:26:52.800000
13.20012.600
AKGK G Andersson12450137.333000
23 Feb 1996 19:59:31.200000
2450137.333000
23 Feb 1996 19:59:31.200000
13.00013.000
BHGB H Granslo542450142.610000
29 Feb 1996 02:38:24.000000
2451303.490000
4 May 1999 23:45:36.000000
13.30010.400
RJBR J Bouma1032450185.320000
11 Apr 1996 19:40:48.000000
2451893.247000
14 Dec 2000 17:55:40.800000
13.40010.700
KOMM Komorous742450540.540000
2 Apr 1997 00:57:36.000000
2451882.550000
4 Dec 2000 01:12:00.000000
13.60010.700
EMUE Muyllaert1832451077.353000
20 Sep 1998 20:28:19.200000
2451909.331000
30 Dec 2000 19:56:38.400000
13.30010.500
HWMH W McGee672451184.429100
5 Jan 1999 22:17:54.240000
2453356.415300
16 Dec 2004 21:58:01.920000
13.70010.200
TALL Talamoni282451546.416600
2 Jan 2000 21:59:54.240000
2451910.222200
31 Dec 2000 17:19:58.080000
13.00012.300
PJCP J Charleton102451925.384700
15 Jan 2001 21:13:58.080000
2452916.454900
3 Oct 2003 22:55:03.360000
13.40012.600
JZR D Januszewski622453740.466700
4 Jan 2006 23:12:02.880000
2457477.422000
29 Mar 2016 22:07:40.800000
13.50012.000
AXC M Allen362454553.307600
27 Mar 2008 19:22:56.640000
2455845.401400
10 Oct 2011 21:38:00.960000
14.10010.400
BJB J Beesley1172454698.649300
20 Aug 2008 03:34:59.520000
2455531.463900
30 Nov 2010 23:08:00.960000
13.5009.900
BCPC D Beech502454838.331900
6 Jan 2009 19:57:56.160000
2457777.332290
23 Jan 2017 19:58:29.856000
13.30012.200
MZI Miller8482454908.385220
17 Mar 2009 21:14:43.008000
2458355.681330
25 Aug 2018 04:21:06.912000
13.07512.004
SFYJ Shears192453289.373542
10 Oct 2004 20:57:54.028800
2453322.377188
12 Nov 2004 21:03:09.043200
12.15011.411
CPMC Mann12456237.406300
5 Nov 2012 21:45:04.320000
2456237.406300
5 Nov 2012 21:45:04.320000
11.60011.600
DGSAG Darlington242456369.355760
17 Mar 2013 20:32:17.664000
2456386.355740
3 Apr 2013 20:32:15.936000
12.90512.178
HULV Hull52456582.586810
17 Oct 2013 02:05:00.384000
2457338.673000
12 Nov 2015 04:09:07.200000
13.20012.500
TVAT Vale1202457090.373000
8 Mar 2015 20:57:07.200000
2460588.696000
5 Oct 2024 04:42:14.400000
13.6009.900
RPER Pearce112457074.510000
21 Feb 2015 00:14:24.000000
2459665.446000
26 Mar 2022 22:42:14.400000
13.00010.200
WVP B Withers1102457053.310000
30 Jan 2015 19:26:24.000000
2460537.482000
14 Aug 2024 23:34:04.800000
13.50010.000
MOBM Mobberley12454736.320140
26 Sep 2008 19:41:00.096000
2454736.320140
26 Sep 2008 19:41:00.096000
12.20012.200
TROA Rodda382457320.290630
24 Oct 2015 18:58:30.432000
2457320.320070
24 Oct 2015 19:40:54.048000
12.98212.910
JLM L Joslin682458362.422500
31 Aug 2018 22:08:24.000000
2460054.352800
19 Apr 2023 20:28:01.920000
13.40010.900
RKHR K Hunt52452591.379000
12 Nov 2002 21:05:45.600000
2453015.327000
10 Jan 2004 19:50:52.800000
13.40013.200
COLM Collins22447744.549306
6 Aug 1989 01:11:00.038400
2447744.556944
6 Aug 1989 01:21:59.961600
11.00011.000
IWTI L Walton102458850.353170
1 Jan 2020 20:28:33.888000
2459959.473470
14 Jan 2023 23:21:47.808000
13.16910.902
PRVG J Privett72459512.479090
24 Oct 2021 23:29:53.376000
2460571.537340
18 Sep 2024 00:53:46.176000
13.09011.140
GPFG Fleming512459585.453510
5 Jan 2022 22:53:03.264000
2460361.368860
20 Feb 2024 20:51:09.504000
13.33210.713
MPSM Phillips212459688.405830
18 Apr 2022 21:44:23.712000
2460390.375380
20 Mar 2024 21:00:32.832000
13.44512.890
DDBD Boyd1,0902459965.348920
20 Jan 2023 20:22:26.688000
2459989.325450
13 Feb 2023 19:48:38.880000
12.60110.613
PCLP C Leyland32459959.336762
14 Jan 2023 20:04:56.236800
2460015.378345
11 Mar 2023 21:04:49.008000
13.10811.209
DSDD Shepherd182460038.382180
3 Apr 2023 21:10:20.352000
2460626.277710
11 Nov 2024 18:39:54.144000
16.14312.935