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Observation Summary for Variable Star V566 HER

Total observations:	2,570		Minimum magnitude:	8.400	Maximum magnitude:	6.800
First observation:	JD 2441056.500000	\	15 Apr 1971 00:00:00.000000 UT	Latest observation:	JD 2461200.451000	\	8 Jun 2026 22:49:26.400000 UT

Observation Method	Number of Observations
Visual	2,287
CCD	27
CMOS	256

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Summary by Stars

Observer Id	Observer Name	Number of Observations	First Observation JD / UT	Latest Observation JD / UT	Minimum Magnitude	Maximum Magnitude
GAV	D Gavine	113	2451924.256900 14 Jan 2001 18:09:56.160000	2454388.813000 15 Oct 2007 07:30:43.200000	7.900	7.200
RHF	R B I Fraser	179	2443662.491000 2 Jun 1978 23:47:02.400000	2460947.433000 28 Sep 2025 22:23:31.200000	8.100	7.500
GPF	G Fleming	49	2458819.236730 1 Dec 2019 17:40:53.472000	2461161.439430 30 Apr 2026 22:32:46.752000	7.622	7.332
UP	D A Pickup	14	2441056.500000 15 Apr 1971 00:00:00.000000	2441269.300000 13 Nov 1971 19:12:00.000000	7.900	7.300
IS	J E Isles	37	2441102.500000 31 May 1971 00:00:00.000000	2447853.160000 22 Nov 1989 15:50:24.000000	8.000	7.100
HC	C Henshaw	19	2441136.700000 4 Jul 1971 04:48:00.000000	2451746.500000 21 Jul 2000 00:00:00.000000	7.700	6.800
RD	D W Robinson	8	2441140.400000 7 Jul 1971 21:36:00.000000	2441270.300000 14 Nov 1971 19:12:00.000000	7.600	7.500
HH	I D Howarth	2	2441146.500000 14 Jul 1971 00:00:00.000000	2441162.400000 29 Jul 1971 21:36:00.000000	8.000	7.700
GO	A Good	4	2441188.400000 24 Aug 1971 21:36:00.000000	2441235.400000 10 Oct 1971 21:36:00.000000	7.900	7.400
FM	V J Freeman	2	2441230.300000 5 Oct 1971 19:12:00.000000	2441265.300000 9 Nov 1971 19:12:00.000000	7.800	7.600
CM	M Currie	44	2441230.300000 5 Oct 1971 19:12:00.000000	2442048.236000 31 Dec 1973 17:39:50.400000	8.000	7.400
AS	A L Smith	1	2441230.400000 5 Oct 1971 21:36:00.000000	2441230.400000 5 Oct 1971 21:36:00.000000	7.500	7.500
HY	P W Hornby	39	2441299.200000 13 Dec 1971 16:48:00.000000	2442326.499000 5 Oct 1974 23:58:33.600000	7.900	7.300
QA	P Quadt	10	2441461.600000 24 May 1972 02:24:00.000000	2441654.500000 3 Dec 1972 00:00:00.000000	8.100	7.300
PM	M Poxon	7	2441537.400000 7 Aug 1972 21:36:00.000000	2441650.300000 28 Nov 1972 19:12:00.000000	8.400	7.500
CP	P R Clayton	1	2441539.500000 10 Aug 1972 00:00:00.000000	2441539.500000 10 Aug 1972 00:00:00.000000	8.000	8.000
GH	T Gough	8	2441564.600000 4 Sep 1972 02:24:00.000000	2441920.937000 26 Aug 1973 10:29:16.800000	8.000	7.500
TY	M D Taylor	388	2446833.556000 7 Feb 1987 01:20:38.400000	2457021.237000 29 Dec 2014 17:41:16.800000	8.100	7.000
QRA	G Ramsay	23	2448269.263800 12 Jan 1991 18:19:52.320000	2449247.430500 16 Sep 1993 22:19:55.200000	7.800	7.500
POG	G Pointer	11	2448454.439500 16 Jul 1991 22:32:52.800000	2449588.409700 23 Aug 1994 21:49:58.080000	7.900	7.550
MM	I A Middlemist	64	2448483.385400 14 Aug 1991 21:14:58.560000	2452623.305600 14 Dec 2002 19:20:03.840000	8.000	7.500
SMA	A Smeaton	2	2448501.358300 1 Sep 1991 20:35:57.120000	2448534.331900 4 Oct 1991 19:57:56.160000	7.830	7.770
QM	T Markham	482	2444843.392000 26 Aug 1981 21:24:28.800000	2457546.517000 7 Jun 2016 00:24:28.800000	8.100	7.600
MIG	M Gill	8	2448716.674000 4 Apr 1992 04:10:33.600000	2449563.472900 29 Jul 1994 23:20:58.560000	8.000	7.200
OHB	B O'Halloran	1	2449127.511100 20 May 1993 00:15:59.040000	2449127.511100 20 May 1993 00:15:59.040000	7.400	7.400
DKL	D K Lloyd	2	2449501.531200 29 May 1994 00:44:55.680000	2449508.536100 5 Jun 1994 00:51:59.040000	7.800	7.700
NZ	I P Nartowicz	76	2449507.645800 4 Jun 1994 03:29:57.120000	2450026.479100 4 Nov 1995 23:29:54.240000	8.000	7.250
SJO	S Johnston	30	2450894.602700 22 Mar 1998 02:27:53.280000	2451870.851300 22 Nov 2000 08:25:52.320000	7.990	7.410
LV	R J Livesey	254	2451076.378000 19 Sep 1998 21:04:19.200000	2455885.315000 19 Nov 2011 19:33:36.000000	7.700	7.100
AG	S W Albrighton	187	2444341.493000 11 Apr 1980 23:49:55.200000	2461200.451000 8 Jun 2026 22:49:26.400000	8.200	7.500
BMD	B MacDonald	3	2455660.566000 9 Apr 2011 01:35:02.400000	2456160.431000 20 Aug 2012 22:20:38.400000	8.000	7.800
BMB	B MacDonald	4	2456016.697200 30 Mar 2012 04:43:58.080000	2456073.529200 26 May 2012 00:42:02.880000	8.000	7.700
BAR	M Barrett	28	2456589.368000 23 Oct 2013 20:49:55.200000	2460902.486000 14 Aug 2025 23:39:50.400000	8.100	7.100
TLH	T L Heywood	57	2457573.497000 3 Jul 2016 23:55:40.800000	2459114.337000 21 Sep 2020 20:05:16.800000	8.000	7.700
RKH	R K Hunt	21	2458391.340000 29 Sep 2018 20:09:36.000000	2460228.350700 10 Oct 2023 20:25:00.480000	7.800	7.300
CWS	C Watkins	234	2459413.446615 17 Jul 2021 22:43:07.536000	2459536.279896 17 Nov 2021 18:43:03.014400	7.560	7.320
AX	C M Allen	17	2444903.337000 25 Oct 1981 20:05:16.800000	2445119.487000 29 May 1982 23:41:16.800000	7.600	7.400
CHA	A Chapman	1	2446734.427000 30 Oct 1986 22:14:52.800000	2446734.427000 30 Oct 1986 22:14:52.800000	7.700	7.700
EA	S J Evans	3	2448756.448000 13 May 1992 22:45:07.200000	2448788.462000 14 Jun 1992 23:05:16.800000	7.600	7.200
FRW	R W Fleet	23	2447275.538000 24 Apr 1988 00:54:43.200000	2448062.495000 19 Jun 1990 23:52:48.000000	8.000	7.300
GE	A Gardner	7	2445202.417000 20 Aug 1982 22:00:28.800000	2445625.312000 17 Oct 1983 19:29:16.800000	8.100	7.200
HO	A J Hollis	5	2443421.323000 4 Oct 1977 19:45:07.200000	2443506.288000 28 Dec 1977 18:54:43.200000	8.100	7.800
HU	D Hufton	63	2442178.403000 10 May 1974 21:40:19.200000	2444187.277000 9 Nov 1979 18:38:52.800000	7.900	7.600
HF	G M Hurst	7	2441804.431000 1 May 1973 22:20:38.400000	2443357.438000 1 Aug 1977 22:30:43.200000	8.100	7.400
UT	A Hutchings	19	2446683.382000 9 Sep 1986 21:10:04.800000	2446947.446000 31 May 1987 22:42:14.400000	8.000	7.200
JB	B Jobson	7	2441699.726000 17 Jan 1973 05:25:26.400000	2441838.490000 4 Jun 1973 23:45:36.000000	7.800	7.600
KH	I H Kennedy	6	2445169.535000 19 Jul 1982 00:50:24.000000	2445267.410000 24 Oct 1982 21:50:24.000000	8.000	7.400