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Observation Summary for Variable Star U CYG

Total observations:4,581Minimum magnitude: 12.700Maximum magnitude: 6.550
First observation:JD 2407177.500000\12 Jul 1878 00:00:00.000000 UTLatest observation:JD 2460308.346000\29 Dec 2023 20:18:14.400000 UT
Observation MethodNumber of Observations
Visual4,579
CCD2

Back to Basic Summary

Summary by Stars

Observer IdObserver NameNumber of ObservationsFirst Observation JD / UTLatest Observation JD / UTMinimum MagnitudeMaximum Magnitude
HLF M Holborn4062428174.300000
6 Jan 1936 19:12:00.000000		2436970.300000
5 Feb 1960 19:12:00.000000		12.5507.200
WBH Webber62428181.300000
13 Jan 1936 19:12:00.000000		2428460.400000
18 Oct 1936 21:36:00.000000		11.3007.600
BLJ Van Der Bilt142428182.300000
14 Jan 1936 19:12:00.000000		2428522.400000
19 Dec 1936 21:36:00.000000		10.9607.220
CAR G Chandra602428249.300000
21 Mar 1936 19:12:00.000000		2429626.400000
28 Dec 1939 21:36:00.000000		11.2007.200
CSJ P M Cables52428308.400000
19 May 1936 21:36:00.000000		2428467.400000
25 Oct 1936 21:36:00.000000		10.7409.200
PAG E Patston342428375.400000
25 Jul 1936 21:36:00.000000		2428880.300000
12 Dec 1937 19:12:00.000000		11.1207.900
BZJ R Bazin3582428541.400000
7 Jan 1937 21:36:00.000000		2433622.300000
6 Dec 1950 19:12:00.000000		11.1006.660
KTN F H Knight732428744.500000
30 Jul 1937 00:00:00.000000		2429502.400000
26 Aug 1939 21:36:00.000000		10.6007.400
ALA F O Alexander1102428806.400000
29 Sep 1937 21:36:00.000000		2431433.300000
8 Dec 1944 19:12:00.000000		11.3007.370
LIW M Lindley52428840.400000
2 Nov 1937 21:36:00.000000		2429488.500000
13 Aug 1939 00:00:00.000000		9.0507.710
CZL A Cox532428924.300000
25 Jan 1938 19:12:00.000000		2429263.300000
30 Dec 1938 19:12:00.000000		10.4006.900
CXH W Cox1652428940.800000
11 Feb 1938 07:12:00.000000		2432183.300000
28 Dec 1946 19:12:00.000000		10.2006.600
CBH Cobb92429026.600000
8 May 1938 02:24:00.000000		2429412.400000
28 May 1939 21:36:00.000000		10.6007.900
ABLC J Abel112429071.400000
21 Jun 1938 21:36:00.000000		2429238.400000
5 Dec 1938 21:36:00.000000		8.0507.500
ILD W Ilott22429730.400000
10 Apr 1940 21:36:00.000000		2429760.400000
10 May 1940 21:36:00.000000		11.03010.800
RBJ H Robinson2092431833.300000
12 Jan 1946 19:12:00.000000		2441947.400000
21 Sep 1973 21:36:00.000000		12.3006.600
KEH Kenyon362431853.300000
1 Feb 1946 19:12:00.000000		2432182.500000
28 Dec 1946 00:00:00.000000		10.5007.300
ANR G Andrews3122431941.500000
1 May 1946 00:00:00.000000		2436921.400000
18 Dec 1959 21:36:00.000000		11.7006.550
ROF A Roper3042434126.500000
24 Apr 1952 00:00:00.000000		2438375.400000
11 Dec 1963 21:36:00.000000		12.6007.070
FRJ Friends362434224.500000
31 Jul 1952 00:00:00.000000		2439439.500000
10 Nov 1966 00:00:00.000000		11.8007.400
MFW Maffett902435615.500000
22 May 1956 00:00:00.000000		2437608.300000
4 Nov 1961 19:12:00.000000		11.6007.500
CLR D Campbell72435919.600000
22 Mar 1957 02:24:00.000000		2435995.500000
6 Jun 1957 00:00:00.000000		12.50010.400
HTG H Hartley172436807.500000
27 Aug 1959 00:00:00.000000		2437162.500000
16 Aug 1960 00:00:00.000000		11.3008.500
BRD G Brown922437190.400000
12 Sep 1960 21:36:00.000000		2439480.400000
20 Dec 1966 21:36:00.000000		11.0007.800
CUR F Churchhouse292437517.500000
6 Aug 1961 00:00:00.000000		2438151.400000
1 May 1963 21:36:00.000000		11.7508.330
HRB S Harraway62437540.300000
28 Aug 1961 19:12:00.000000		2437646.300000
12 Dec 1961 19:12:00.000000		8.7007.920
FEE S Farr12437784.500000
30 Apr 1962 00:00:00.000000		2437784.500000
30 Apr 1962 00:00:00.000000		10.25010.250
FHJ I M Forsyth52438155.400000
5 May 1963 21:36:00.000000		2438576.400000
29 Jun 1964 21:36:00.000000		11.3009.000
LOR S Lomas2092438236.600000
26 Jul 1963 02:24:00.000000		2440219.400000
28 Dec 1968 21:36:00.000000		12.5008.900
CTB A Carter1852438614.500000
7 Aug 1964 00:00:00.000000		2440554.300000
28 Nov 1969 19:12:00.000000		12.3007.850
KXO J Knox5392439144.300000
18 Jan 1966 19:12:00.000000		2442393.300000
11 Dec 1974 19:12:00.000000		12.7007.600
GDM J Gainsford2842439422.400000
23 Oct 1966 21:36:00.000000		2442088.400000
9 Feb 1974 21:36:00.000000		12.5007.500
CYJ V Carey112439429.400000
30 Oct 1966 21:36:00.000000		2441843.500000
10 Jun 1973 00:00:00.000000		11.4007.800
NOD J Northwood262439717.400000
14 Aug 1967 21:36:00.000000		2440127.400000
27 Sep 1968 21:36:00.000000		12.5008.750
MRP A Moore3042439952.600000
6 Apr 1968 02:24:00.000000		2442411.200000
29 Dec 1974 16:48:00.000000		11.4007.500
MST J C A Moseley402439952.600000
6 Apr 1968 02:24:00.000000		2440128.600000
29 Sep 1968 02:24:00.000000		11.0009.030
FCM French82440065.500000
28 Jul 1968 00:00:00.000000		2440142.300000
12 Oct 1968 19:12:00.000000		11.2009.900
SLA M Savill82441697.300000
14 Jan 1973 19:12:00.000000		2441890.400000
26 Jul 1973 21:36:00.000000		8.4507.900
SPG H Spalding72441798.600000
26 Apr 1973 02:24:00.000000		2441943.400000
17 Sep 1973 21:36:00.000000		10.3307.770
TYM D Taylor32441839.600000
6 Jun 1973 02:24:00.000000		2442312.500000
22 Sep 1974 00:00:00.000000		9.0007.600
MJJ W Mason32441848.500000
15 Jun 1973 00:00:00.000000		2441874.500000
11 Jul 1973 00:00:00.000000		8.2008.000
HYP W Hornby42441863.500000
30 Jun 1973 00:00:00.000000		2442312.500000
22 Sep 1974 00:00:00.000000		11.6007.700
BPJ A Bailey132441871.500000
8 Jul 1973 00:00:00.000000		2442039.300000
22 Dec 1973 19:12:00.000000		12.0008.100
KBK Brady152441930.400000
4 Sep 1973 21:36:00.000000		2442294.400000
3 Sep 1974 21:36:00.000000		10.6007.600
HHI D Howarth52441936.500000
11 Sep 1973 00:00:00.000000		2442047.500000
31 Dec 1973 00:00:00.000000		11.40010.000
PCC Pezzarossa32441953.400000
27 Sep 1973 21:36:00.000000		2441986.300000
30 Oct 1973 19:12:00.000000		11.30010.700
GXD Griffin302441967.400000
11 Oct 1973 21:36:00.000000		2442386.200000
4 Dec 1974 16:48:00.000000		11.9207.800
YOP J Young52441967.400000
11 Oct 1973 21:36:00.000000		2442044.700000
28 Dec 1973 04:48:00.000000		11.70010.900
POA K Porter122441972.500000
17 Oct 1973 00:00:00.000000		2442391.400000
9 Dec 1974 21:36:00.000000		11.8007.900
REN Reid22442182.400000
14 May 1974 21:36:00.000000		2442333.600000
13 Oct 1974 02:24:00.000000		9.8009.000
LCD Churchill142442220.400000
21 Jun 1974 21:36:00.000000		2442353.300000
1 Nov 1974 19:12:00.000000		9.6807.700
WSE J W West82448793.420100
19 Jun 1992 22:04:56.640000		2448927.351300
31 Oct 1992 20:25:52.320000		10.0007.800
RJBR J Bouma402450373.400000
16 Oct 1996 21:36:00.000000		2451893.200000
14 Dec 2000 16:48:00.000000		11.6007.000
BHGB H Granslo132450501.510000
22 Feb 1997 00:14:24.000000		2451154.280000
6 Dec 1998 18:43:12.000000		11.1008.400
ARBA R Baransky122450683.500000
23 Aug 1997 00:00:00.000000		2451063.500000
7 Sep 1998 00:00:00.000000		9.8007.100
TUBV Tuboly162450924.413200
20 Apr 1998 21:55:00.480000		2451697.361000
1 Jun 2000 20:39:50.400000		9.9007.200
TJJ Toone12451516.411800
3 Dec 1999 21:52:59.520000		2451516.411800
3 Dec 1999 21:52:59.520000		6.8006.800
-SKG Stefanopoulos62452063.422200
2 Jun 2001 22:07:58.080000		2456099.306200
20 Jun 2012 19:20:55.680000		9.4007.600
AXC M Allen82453906.443100
19 Jun 2006 22:38:03.840000		2455569.265300
7 Jan 2011 18:22:01.920000		9.5008.500
CORH Corder62412464.500000
1 Jan 1893 00:00:00.000000		2413397.500000
23 Jul 1895 00:00:00.000000		11.8007.500
QMT Markham42455631.708300
11 Mar 2011 04:59:57.120000		2455685.489600
3 May 2011 23:45:01.440000		7.9006.900
DSCD Scanlan22455101.354000
26 Sep 2009 20:29:45.600000		2455113.375000
8 Oct 2009 21:00:00.000000		9.0008.500
BAXJ Baxendell2402407177.500000
12 Jul 1878 00:00:00.000000		2410432.500000
10 Jun 1887 00:00:00.000000		11.4007.600
AGS W Albrighton342458414.358000
22 Oct 2018 20:35:31.200000		2459947.250000
2 Jan 2023 18:00:00.000000		11.1007.500
GPFG Fleming22458784.337070
27 Oct 2019 20:05:22.848000		2458818.288150
30 Nov 2019 18:54:56.160000		10.50710.222
IWW J Worraker42459963.367000
18 Jan 2023 20:48:28.800000		2460308.346000
29 Dec 2023 20:18:14.400000		8.5007.900