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Observation Summary for Variable Star CI CYG

Total observations:11,261Minimum magnitude: 13.400Maximum magnitude: 7.649
First observation:JD 2441980.500000\25 Oct 1973 00:00:00.000000 UTLatest observation:JD 2460441.586100\11 May 2024 02:03:59.040000 UT
Observation MethodNumber of Observations
Visual10,763
Photographic23
CCD470
DSLR5

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Summary by Stars

Observer IdObserver NameNumber of ObservationsFirst Observation JD / UTLatest Observation JD / UTMinimum MagnitudeMaximum Magnitude
POA K Porter612441980.500000
25 Oct 1973 00:00:00.000000		2443901.200000
27 Jan 1979 16:48:00.000000		11.7008.700
HHI D Howarth52442101.300000
22 Feb 1974 19:12:00.000000		2442301.300000
10 Sep 1974 19:12:00.000000		10.60010.200
HFG M Hurst8572442219.500000
21 Jun 1974 00:00:00.000000		2457756.252000
2 Jan 2017 18:02:52.800000		13.4008.900
HYP W Hornby72442238.500000
10 Jul 1974 00:00:00.000000		2442312.400000
21 Sep 1974 21:36:00.000000		10.90010.400
BPJ A Bailey532442364.400000
12 Nov 1974 21:36:00.000000		2443086.400000
3 Nov 1976 21:36:00.000000		11.1508.700
MXL R Matthews562442364.400000
12 Nov 1974 21:36:00.000000		2443282.500000
19 May 1977 00:00:00.000000		11.5509.000
WSE J W West132442371.400000
19 Nov 1974 21:36:00.000000		2448944.356900
17 Nov 1992 20:33:56.160000		11.00010.600
LLR L Lyon282443282.500000
19 May 1977 00:00:00.000000		2443429.400000
12 Oct 1977 21:36:00.000000		10.40010.200
GVA Cosgrove72443291.600000
28 May 1977 02:24:00.000000		2443444.300000
27 Oct 1977 19:12:00.000000		10.7209.960
HOA J Hollis532443321.500000
27 Jun 1977 00:00:00.000000		2444581.200000
7 Dec 1980 16:48:00.000000		11.60010.200
GJR J Godden352443327.500000
3 Jul 1977 00:00:00.000000		2445549.500000
3 Aug 1983 00:00:00.000000		11.34010.040
TMT C B Mcleish212443355.400000
30 Jul 1977 21:36:00.000000		2443508.200000
30 Dec 1977 16:48:00.000000		10.73010.270
PBM Peel302443399.400000
12 Sep 1977 21:36:00.000000		2444511.400000
28 Sep 1980 21:36:00.000000		11.5009.850
WVP B Withers4322443424.400000
7 Oct 1977 21:36:00.000000		2460319.260000
9 Jan 2024 18:14:24.000000		11.7009.800
RHFR B I Fraser122443469.400000
21 Nov 1977 21:36:00.000000		2447092.417000
23 Oct 1987 22:00:28.800000		11.20010.200
AGS W Albrighton5612443510.300000
1 Jan 1978 19:12:00.000000		2459340.483000
5 May 2021 23:35:31.200000		11.9009.800
NRR H Mcnaught212443510.300000
1 Jan 1978 19:12:00.000000		2443977.600000
14 Apr 1979 02:24:00.000000		11.42010.200
DTD Stott8302443511.300000
2 Jan 1978 19:12:00.000000		2448038.393000
26 May 1990 21:25:55.200000		11.5009.800
GHT Gough92443539.300000
30 Jan 1978 19:12:00.000000		2443951.600000
19 Mar 1979 02:24:00.000000		11.35010.250
LKK Lewis1562443572.700000
5 Mar 1978 04:48:00.000000		2445304.300000
30 Nov 1982 19:12:00.000000		11.4809.800
GCG A V Coady342443573.700000
6 Mar 1978 04:48:00.000000		2444368.600000
9 May 1980 02:24:00.000000		11.1009.800
WHP J Wheeler2102443657.500000
29 May 1978 00:00:00.000000		2447865.232600
4 Dec 1989 17:34:56.640000		11.9009.000
XXX222443716.400000
26 Jul 1978 21:36:00.000000		2445292.300000
18 Nov 1982 19:12:00.000000		11.70010.300
SSH W S Smith312443839.400000
26 Nov 1978 21:36:00.000000		2445287.500000
14 Nov 1982 00:00:00.000000		11.80010.300
YMM R Bell332444139.400000
22 Sep 1979 21:36:00.000000		2444609.300000
4 Jan 1981 19:12:00.000000		11.25010.600
KSN S Kiernan272444442.500000
22 Jul 1980 00:00:00.000000		2444936.300000
27 Nov 1981 19:12:00.000000		10.80010.600
PIR D Pickard1322444495.500000
13 Sep 1980 00:00:00.000000		2456942.416900
11 Oct 2014 22:00:20.160000		12.2727.649
XGG Poyner1,9972444513.400000
30 Sep 1980 21:36:00.000000		2460441.586100
11 May 2024 02:03:59.040000		12.0009.400
SKJ D Shanklin602444520.500000
8 Oct 1980 00:00:00.000000		2451048.986100
23 Aug 1998 11:39:59.040000		11.83010.600
EJJ W L Ells222444544.400000
31 Oct 1980 21:36:00.000000		2445723.300000
23 Jan 1984 19:12:00.000000		11.70010.400
QBW Barnes22444554.300000
10 Nov 1980 19:12:00.000000		2444570.300000
26 Nov 1980 19:12:00.000000		11.46011.400
CHR H Chambers252444756.600000
1 Jun 1981 02:24:00.000000		2447361.447900
18 Jul 1988 22:44:58.560000		11.70010.650
UMR Miles42444819.400000
2 Aug 1981 21:36:00.000000		2444900.300000
22 Oct 1981 19:12:00.000000		11.05010.600
JRJ Parkinson92444821.400000
4 Aug 1981 21:36:00.000000		2445266.500000
24 Oct 1982 00:00:00.000000		11.25010.700
RKJ W Rock12444852.400000
4 Sep 1981 21:36:00.000000		2444852.400000
4 Sep 1981 21:36:00.000000		10.80010.800
LQT Laban232444987.200000
17 Jan 1982 16:48:00.000000		2445307.200000
3 Dec 1982 16:48:00.000000		11.70010.500
QCH Colquhoun202445168.500000
18 Jul 1982 00:00:00.000000		2445316.300000
12 Dec 1982 19:12:00.000000		11.52010.980
XEA T A Bueno232445378.600000
13 Feb 1983 02:24:00.000000		2445666.700000
28 Nov 1983 04:48:00.000000		11.90010.600
HBM A Hather112445615.400000
7 Oct 1983 21:36:00.000000		2445671.200000
2 Dec 1983 16:48:00.000000		11.80010.800
ADS J Anderson12445636.400000
28 Oct 1983 21:36:00.000000		2445636.400000
28 Oct 1983 21:36:00.000000		10.72010.720
GDM J Gainsford2,2872445885.500000
4 Jul 1984 00:00:00.000000		2457756.284000
2 Jan 2017 18:48:57.600000		13.3009.300
TYM D Taylor22446658.443700
15 Aug 1986 22:38:55.680000		2446659.422900
16 Aug 1986 22:08:58.560000		11.15011.020
KHI H Kennedy132446666.491600
23 Aug 1986 23:47:54.240000		2446732.371500
28 Oct 1986 20:54:57.600000		11.74010.500
TTT Tanti62446669.326300
26 Aug 1986 19:49:52.320000		2446727.312500
23 Oct 1986 19:30:00.000000		11.10010.670
ISJ E Isles1292446906.504100
21 Apr 1987 00:05:54.240000		2447847.227000
16 Nov 1989 17:26:52.800000		11.62010.700
JWCJ W Cole22447014.525600
7 Aug 1987 00:36:51.840000		2447023.385400
15 Aug 1987 21:14:58.560000		11.73011.480
TJJ Toone1,2282446092.264000
26 Jan 1985 18:20:09.600000		2460414.600000
14 Apr 2024 02:24:00.000000		11.9009.700
CPJC P Jones222447303.522200
22 May 1988 00:31:58.080000		2448038.446500
26 May 1990 22:42:57.600000		11.80010.400
QRAG Ramsay182447434.375000
29 Sep 1988 21:00:00.000000		2447887.298600
26 Dec 1989 19:09:59.040000		12.10010.700
MMI A Middlemist512447435.312500
30 Sep 1988 19:30:00.000000		2448986.319400
29 Dec 1992 19:39:56.160000		12.30010.600
CODD S Conner72448193.428400
28 Oct 1990 22:16:53.760000		2451425.479200
3 Sep 1999 23:30:02.880000		11.25010.800
KOUS Koushiappas112448448.361100
10 Jul 1991 20:39:59.040000		2448571.201300
10 Nov 1991 16:49:52.320000		11.40010.900
ARBA R Baransky1112450243.460000
8 Jun 1996 23:02:24.000000		2451888.300000
9 Dec 2000 19:12:00.000000		11.40010.700
BHGB H Granslo442450508.670000
1 Mar 1997 04:04:48.000000		2451305.500000
7 May 1999 00:00:00.000000		11.60010.900
TUBV Tuboly12450754.297200
1 Nov 1997 19:07:58.080000		2450754.297200
1 Nov 1997 19:07:58.080000		11.40011.400
DGLD Gill102450993.468000
28 Jun 1998 23:13:55.200000		2451370.529800
11 Jul 1999 00:42:54.720000		11.70010.360
HWMH W McGee222451011.480500
16 Jul 1998 23:31:55.200000		2451128.308300
10 Nov 1998 19:23:57.120000		11.40010.800
EMUE Muyllaert1582451066.326000
9 Sep 1998 19:49:26.400000		2451909.228000
30 Dec 2000 17:28:19.200000		11.90010.700
OKSG Oksa12451080.395800
23 Sep 1998 21:29:57.120000		2451080.395800
23 Sep 1998 21:29:57.120000		11.25011.250
VYEI Vyecheslav22451304.430000
5 May 1999 22:19:12.000000		2451305.450000
6 May 1999 22:48:00.000000		11.70011.600
RNT A Robinson422451732.524300
7 Jul 2000 00:34:59.520000		2452453.489600
27 Jun 2002 23:45:01.440000		11.90010.700
DRR C Dryden3872453256.416000
7 Sep 2004 21:59:02.400000		2460298.267000
19 Dec 2023 18:24:28.800000		11.7009.500
AXC M Allen162454786.311100
15 Nov 2008 19:27:59.040000		2456158.391000
18 Aug 2012 21:23:02.400000		11.4009.500
BCPC D Beech172454728.435400
18 Sep 2008 22:26:58.560000		2455769.999300
27 Jul 2011 11:58:59.520000		10.8009.600
BJB J Beesley1022454588.627100
2 May 2008 03:03:01.440000		2455525.318100
24 Nov 2010 19:38:03.840000		11.8009.500
CPMC Mann32455016.496500
3 Jul 2009 23:54:57.600000		2456234.261100
2 Nov 2012 18:15:59.040000		10.6009.900
RHTR H Tremblay32454711.560250
2 Sep 2008 01:26:45.600000		2454711.571010
2 Sep 2008 01:42:15.264000		9.6559.646
NFN A Foster12455570.294400
8 Jan 2011 19:03:56.160000		2455570.294400
8 Jan 2011 19:03:56.160000		10.80010.800
HULV Hull72456517.601000
13 Aug 2013 02:25:26.400000		2456893.577080
24 Aug 2014 01:50:59.712000		11.10010.400
RPER Pearce2252456860.436000
21 Jul 2014 22:27:50.400000		2460242.331000
24 Oct 2023 19:56:38.400000		11.70010.500
DDBD Boyd3062457181.430960
7 Jun 2015 22:20:34.944000		2459906.293470
22 Nov 2022 19:02:35.808000		12.8917.752
TVAT Vale762457209.492000
5 Jul 2015 23:48:28.800000		2460218.460000
30 Sep 2023 23:02:24.000000		11.90010.200
WPSW Parkes52458032.354160
5 Oct 2017 20:29:59.424000		2458402.336110
10 Oct 2018 20:03:59.904000		11.51510.704
GDCG D Coates52458983.515500
14 May 2020 00:22:19.200000		2458983.519540
14 May 2020 00:28:08.256000		11.21111.204
PCLP C Leyland42459093.458252
31 Aug 2020 22:59:52.972800		2460175.422242
18 Aug 2023 22:08:01.708800		11.01610.772
IWTI L Walton32460186.607700
30 Aug 2023 02:35:05.280000		2460186.609620
30 Aug 2023 02:37:51.168000		10.16810.154