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Observation Summary for Variable Star Z UMI

Total observations:7,611Minimum magnitude: 19.100Maximum magnitude: 9.367
First observation:JD 2449602.436100\6 Sep 1994 22:27:59.040000 UTLatest observation:JD 2460441.563900\11 May 2024 01:32:00.960000 UT
Observation MethodNumber of Observations
Visual7,219
CCD377
DSLR15

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Summary by Stars

Observer IdObserver NameNumber of ObservationsFirst Observation JD / UTLatest Observation JD / UTMinimum MagnitudeMaximum Magnitude
XGG Poyner2,5422449602.436100
6 Sep 1994 22:27:59.040000
2460441.563900
11 May 2024 01:32:00.960000
19.10010.679
ARBA R Baransky122449830.340000
22 Apr 1995 20:09:36.000000
2449870.440000
1 Jun 1995 22:33:36.000000
11.10010.800
REKR E Kelly112449953.384000
23 Aug 1995 21:12:57.600000
2450077.274300
25 Dec 1995 18:34:59.520000
12.50010.900
IWW J Worraker2362449981.525600
21 Sep 1995 00:36:51.840000
2453420.430600
18 Feb 2005 22:20:03.840000
15.10010.800
WEMM Westlund472450112.230000
29 Jan 1996 17:31:12.000000
2451818.382000
30 Sep 2000 21:10:04.800000
13.70010.900
RJBR J Bouma2242450193.378000
19 Apr 1996 21:04:19.200000
2451904.720000
26 Dec 2000 05:16:48.000000
14.10011.000
KOMM Komorous732450596.770000
28 May 1997 06:28:48.000000
2451881.470000
2 Dec 2000 23:16:48.000000
14.00011.000
BHGB H Granslo12450701.540000
10 Sep 1997 00:57:36.000000
2450701.540000
10 Sep 1997 00:57:36.000000
14.30014.300
AKGK G Andersson32450746.483000
24 Oct 1997 23:35:31.200000
2450789.313000
6 Dec 1997 19:30:43.200000
14.30013.500
DGLD Gill212450917.447900
13 Apr 1998 22:44:58.560000
2451383.470100
23 Jul 1999 23:16:56.640000
13.00011.200
HWMH W McGee2482451028.516600
3 Aug 1998 00:23:54.240000
2454641.458300
23 Jun 2008 22:59:57.120000
14.60011.000
EMUE Muyllaert1982451066.308000
9 Sep 1998 19:23:31.200000
2451909.755000
31 Dec 2000 06:07:12.000000
13.70011.000
TJJ Toone2,0922451816.391600
28 Sep 2000 21:23:54.240000
2460425.400000
24 Apr 2024 21:36:00.000000
16.40010.800
PJCP J Charleton622452544.308300
26 Sep 2002 19:23:57.120000
2453002.443100
28 Dec 2003 22:38:03.840000
14.80011.200
DRR C Dryden4582452940.321500
27 Oct 2003 19:42:57.600000
2460286.758000
8 Dec 2023 06:11:31.200000
15.50010.900
CPJC P Jones112454348.347200
4 Sep 2007 20:19:58.080000
2458962.376000
22 Apr 2020 21:01:26.400000
15.50012.000
AXC M Allen982454595.417400
8 May 2008 22:01:03.360000
2455845.388900
10 Oct 2011 21:20:00.960000
15.00011.000
BCPC D Beech2032454599.509000
13 May 2008 00:12:57.600000
2457851.663250
8 Apr 2017 03:55:04.800000
15.8009.367
BJB J Beesley1152454594.531300
8 May 2008 00:45:04.320000
2455531.695100
1 Dec 2010 04:40:56.640000
14.20010.900
WVP B Withers5692455334.471500
17 May 2010 23:18:57.600000
2460336.402000
26 Jan 2024 21:38:52.800000
15.50010.900
DDBD Boyd242454473.370260
7 Jan 2008 20:53:10.464000
2457293.461570
27 Sep 2015 23:04:39.648000
18.01013.835
HULV Hull62456791.525690
14 May 2014 00:36:59.616000
2457292.467900
26 Sep 2015 23:13:46.560000
13.00011.000
TVAT Vale622456986.306000
24 Nov 2014 19:20:38.400000
2460410.574000
10 Apr 2024 01:46:33.600000
13.90010.700
RPER Pearce1072457123.401000
10 Apr 2015 21:37:26.400000
2460197.365000
9 Sep 2023 20:45:36.000000
13.00010.500
SJOS Johnston1212457221.504380
18 Jul 2015 00:06:18.432000
2458324.496710
24 Jul 2018 23:55:15.744000
15.63910.642
RKHR K Hunt102457421.335416
2 Feb 2016 20:02:59.942400
2458441.300000
18 Nov 2018 19:12:00.000000
13.20011.100
PIR D Pickard52456660.342000
2 Jan 2014 20:12:28.800000
2457216.650400
13 Jul 2015 03:36:34.560000
14.50611.200
LVR J Livesey12456660.342000
2 Jan 2014 20:12:28.800000
2456660.342000
2 Jan 2014 20:12:28.800000
11.20011.200
DMSD Matthews92457766.298610
12 Jan 2017 19:09:59.904000
2457878.539580
5 May 2017 00:56:59.712000
11.36010.950
BARM Barrett12457756.342000
2 Jan 2017 20:12:28.800000
2457756.342000
2 Jan 2017 20:12:28.800000
11.20011.200
JLM L Joslin272458464.295200
11 Dec 2018 19:05:05.280000
2458866.454900
17 Jan 2020 22:55:03.360000
15.10010.700
CHAA Chapman12456660.342000
2 Jan 2014 20:12:28.800000
2456660.342000
2 Jan 2014 20:12:28.800000
11.20011.200
WPSW Parkes62458912.393060
3 Mar 2020 21:26:00.384000
2459998.372920
22 Feb 2023 20:57:00.288000
13.60610.527
IWTI L Walton72459292.527940
19 Mar 2021 00:40:14.016000
2460423.641800
23 Apr 2024 03:24:11.520000
11.10710.613