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Observation Summary for Variable Star X HER

Total observations:	9,620		Minimum magnitude:	7.670	Maximum magnitude:	5.500
First observation:	JD 2411848.500000	\	26 Apr 1891 00:00:00.000000 UT	Latest observation:	JD 2460429.428000	\	28 Apr 2024 22:16:19.200000 UT

Observation Method	Number of Observations
Visual	9,571
CCD	36
CMOS	13

Back to Basic Summary

Summary by Stars

Observer Id	Observer Name	Number of Observations	First Observation JD / UT	Latest Observation JD / UT	Minimum Magnitude	Maximum Magnitude
MK	E E Markwick	154	2411848.500000 26 Apr 1891 00:00:00.000000	2416783.000000 29 Oct 1904 12:00:00.000000	7.390	6.240
XK	A King	12	2415099.000000 20 Mar 1900 12:00:00.000000	2415219.000000 18 Jul 1900 12:00:00.000000	7.040	6.090
KEX	J Kelly	61	2415108.000000 29 Mar 1900 12:00:00.000000	2415737.000000 18 Dec 1901 12:00:00.000000	7.290	6.340
WLX	W M Worsell	43	2415129.000000 19 Apr 1900 12:00:00.000000	2416291.000000 25 Jun 1903 12:00:00.000000	7.090	6.080
ORR	M A Orr	22	2415130.000000 20 Apr 1900 12:00:00.000000	2415511.000000 6 May 1901 12:00:00.000000	7.000	5.500
PEX	J M Peridier	36	2415262.000000 30 Aug 1900 12:00:00.000000	2415663.000000 5 Oct 1901 12:00:00.000000	6.980	5.980
CHJ	J W L Child	46	2415469.000000 25 Mar 1901 12:00:00.000000	2416082.000000 28 Nov 1902 12:00:00.000000	7.090	5.980
BKX	T W Backhouse	12	2416495.000000 15 Jan 1904 12:00:00.000000	2416833.000000 18 Dec 1904 12:00:00.000000	7.370	6.590
HC	C Henshaw	123	2440954.600000 3 Jan 1971 02:24:00.000000	2451780.400000 23 Aug 2000 21:36:00.000000	7.600	6.100
AS	A L Smith	11	2440955.800000 4 Jan 1971 07:12:00.000000	2441245.400000 20 Oct 1971 21:36:00.000000	7.200	6.500
RD	D W Robinson	38	2440971.600000 20 Jan 1971 02:24:00.000000	2441497.500000 29 Jun 1972 00:00:00.000000	6.920	6.200
JJ	C J Jackson	1	2440977.800000 26 Jan 1971 07:12:00.000000	2440977.800000 26 Jan 1971 07:12:00.000000	7.300	7.300
UP	D A Pickup	13	2441001.500000 19 Feb 1971 00:00:00.000000	2441269.300000 13 Nov 1971 19:12:00.000000	7.100	6.500
HH	I D Howarth	5	2441003.700000 21 Feb 1971 04:48:00.000000	2441164.500000 1 Aug 1971 00:00:00.000000	6.960	6.800
GH	T Gough	22	2441018.700000 8 Mar 1971 04:48:00.000000	2442017.232600 30 Nov 1973 17:34:56.640000	7.250	6.400
HY	P W Hornby	69	2441044.400000 2 Apr 1971 21:36:00.000000	2442370.377700 18 Nov 1974 21:03:53.280000	7.400	6.300
IS	J E Isles	66	2439736.389000 2 Sep 1967 21:20:09.600000	2447444.250600 9 Oct 1988 18:00:51.840000	7.300	6.140
BBU	R J Butler	11	2441053.400000 11 Apr 1971 21:36:00.000000	2441284.300000 28 Nov 1971 19:12:00.000000	6.920	6.280
JP	J P Harper	12	2441053.500000 12 Apr 1971 00:00:00.000000	2441157.500000 25 Jul 1971 00:00:00.000000	6.500	6.100
VJ	J D Wise	9	2441053.500000 12 Apr 1971 00:00:00.000000	2441195.400000 31 Aug 1971 21:36:00.000000	7.200	6.400
FM	V J Freeman	5	2441055.400000 13 Apr 1971 21:36:00.000000	2441265.300000 9 Nov 1971 19:12:00.000000	6.800	6.330
NO	D J Northwood	4	2441059.500000 18 Apr 1971 00:00:00.000000	2441235.400000 10 Oct 1971 21:36:00.000000	6.900	6.300
BU	S F Burch	5	2441140.500000 8 Jul 1971 00:00:00.000000	2441189.400000 25 Aug 1971 21:36:00.000000	6.600	6.500
ED	K J England	2	2441140.500000 8 Jul 1971 00:00:00.000000	2441147.500000 15 Jul 1971 00:00:00.000000	6.900	6.900
BLO	M Long	2	2441150.600000 18 Jul 1971 02:24:00.000000	2441161.500000 29 Jul 1971 00:00:00.000000	6.500	6.470
SR	R Steer	11	2441178.500000 15 Aug 1971 00:00:00.000000	2442300.347200 9 Sep 1974 20:19:58.080000	7.200	6.300
GO	A Good	13	2441181.400000 17 Aug 1971 21:36:00.000000	2441650.300000 28 Nov 1972 19:12:00.000000	7.240	6.600
QA	P Quadt	20	2441181.700000 18 Aug 1971 04:48:00.000000	2441654.500000 3 Dec 1972 00:00:00.000000	6.800	6.100
CP	P R Clayton	6	2441226.300000 1 Oct 1971 19:12:00.000000	2441539.500000 10 Aug 1972 00:00:00.000000	7.100	6.250
CM	M Currie	46	2441231.300000 6 Oct 1971 19:12:00.000000	2442048.240200 31 Dec 1973 17:45:53.280000	7.100	5.850
PM	M Poxon	20	2441242.300000 17 Oct 1971 19:12:00.000000	2442720.265900 3 Nov 1975 18:22:53.760000	7.200	6.300
OS	A J Shorten	2	2441245.300000 20 Oct 1971 19:12:00.000000	2441253.300000 28 Oct 1971 19:12:00.000000	6.320	6.280
NM	P Newman	1	2441454.400000 16 May 1972 21:36:00.000000	2441454.400000 16 May 1972 21:36:00.000000	6.400	6.400
HF	G M Hurst	9	2441513.400000 14 Jul 1972 21:36:00.000000	2442982.426300 22 Jul 1976 22:13:52.320000	7.500	6.400
JB	B Jobson	9	2441670.800000 19 Dec 1972 07:12:00.000000	2441838.486100 4 Jun 1973 23:39:59.040000	6.800	6.700
RT	D A Rothery	54	2441748.708300 7 Mar 1973 04:59:57.120000	2443013.326300 22 Aug 1976 19:49:52.320000	6.900	6.000
RU	C V Robinson	9	2441871.437500 7 Jul 1973 22:30:00.000000	2442039.305500 22 Dec 1973 19:19:55.200000	6.800	6.200
YD	D Young	7	2441889.539500 26 Jul 1973 00:56:52.800000	2445132.478400 11 Jun 1982 23:28:53.760000	6.800	6.400
MM	I A Middlemist	593	2441892.427000 28 Jul 1973 22:14:52.800000	2452623.305600 14 Dec 2002 19:20:03.840000	7.600	6.000
GE	A Gardner	3	2441910.425000 15 Aug 1973 22:12:00.000000	2441921.392300 26 Aug 1973 21:24:54.720000	6.520	6.440
TY	M D Taylor	833	2441912.409700 17 Aug 1973 21:49:58.080000	2456997.225000 5 Dec 2014 17:24:00.000000	7.500	5.700
HG	M S Hoenig	44	2441957.395800 1 Oct 1973 21:29:57.120000	2442691.460400 5 Oct 1975 23:02:58.560000	6.800	6.050
HU	D Hufton	100	2442074.608300 27 Jan 1974 02:35:57.120000	2447114.261100 14 Nov 1987 18:15:59.040000	7.000	6.200
PO	A K Porter	2	2442151.522900 14 Apr 1974 00:32:58.560000	2442154.569400 17 Apr 1974 01:39:56.160000	6.350	6.300
KG	G J Kirby	64	2442211.506900 13 Jun 1974 00:09:56.160000	2443400.385400 13 Sep 1977 21:14:58.560000	7.240	5.940
EM	D Miles	4	2442240.446500 11 Jul 1974 22:42:57.600000	2442329.322200 8 Oct 1974 19:43:58.080000	7.000	6.200
WS	E J W West	13	2442249.545800 21 Jul 1974 01:05:57.120000	2442411.258300 29 Dec 1974 18:11:57.120000	6.870	6.400
YG	D L Young	17	2442270.595100 11 Aug 1974 02:16:56.640000	2442725.345100 8 Nov 1975 20:16:56.640000	6.800	6.500
BS	T Brelstaff	41	2442276.479100 16 Aug 1974 23:29:54.240000	2444585.232600 11 Dec 1980 17:34:56.640000	7.200	6.250
HX	S R Heathcote	3	2442333.326300 12 Oct 1974 19:49:52.320000	2442364.392300 12 Nov 1974 21:24:54.720000	6.520	6.400
MX	L R Matthews	8	2442348.444400 27 Oct 1974 22:39:56.160000	2442981.496500 21 Jul 1976 23:54:57.600000	7.200	6.400
DS	D M Swain	140	2442363.315900 11 Nov 1974 19:34:53.760000	2449928.425000 29 Jul 1995 22:12:00.000000	7.470	6.020
MZ	I Miller	1	2442428.645800 16 Jan 1975 03:29:57.120000	2442428.645800 16 Jan 1975 03:29:57.120000	6.800	6.800
BJ	B J Beesley	68	2442431.639500 19 Jan 1975 03:20:52.800000	2455482.357600 12 Oct 2010 20:34:56.640000	7.100	6.300
RMM	R M Macleod	66	2442483.687500 12 Mar 1975 04:30:00.000000	2443585.661800 18 Mar 1978 03:52:59.520000	7.100	6.050
PB	M Peel	12	2442532.430500 29 Apr 1975 22:19:55.200000	2443249.486100 15 Apr 1977 23:39:59.040000	7.300	6.400
MY	A Maudsley	22	2442563.534000 31 May 1975 00:48:57.600000	2443048.313100 26 Sep 1976 19:30:51.840000	6.800	6.100
DU	S R Dunlop	6	2442694.368000 8 Oct 1975 20:49:55.200000	2443373.423600 17 Aug 1977 22:09:59.040000	7.200	6.500
VB	J S Bullivant	35	2442846.753400 9 Mar 1976 06:04:53.760000	2443138.263800 25 Dec 1976 18:19:52.320000	7.200	6.200
PS	P J Swift	22	2442890.412500 21 Apr 1976 21:54:00.000000	2443466.250000 18 Nov 1977 18:00:00.000000	7.400	6.000
HO	A J Hollis	33	2443068.274300 16 Oct 1976 18:34:59.520000	2443506.284700 28 Dec 1977 18:49:58.080000	7.300	5.900
RHF	R B I Fraser	203	2443244.458300 10 Apr 1977 22:59:57.120000	2460256.357000 7 Nov 2023 20:34:04.800000	7.480	6.200
AG	S W Albrighton	578	2443285.423600 21 May 1977 22:09:59.040000	2460429.406000 28 Apr 2024 21:44:38.400000	7.600	6.080
DR	R C Dryden	12	2443328.482600 3 Jul 1977 23:34:56.640000	2445284.313800 10 Nov 1982 19:31:52.320000	6.840	6.130
NR	R H Mcnaught	2	2443791.378400 9 Oct 1978 21:04:53.760000	2443873.723600 31 Dec 1978 05:21:59.040000	6.850	6.720
EP	B Espey	2	2444522.422900 9 Oct 1980 22:08:58.560000	2444859.456200 11 Sep 1981 22:56:55.680000	7.240	6.870
JR	J Parkinson	32	2444714.437500 19 Apr 1981 22:30:00.000000	2445679.229100 10 Dec 1983 17:29:54.240000	7.100	6.300
NZ	I P Nartowicz	97	2444900.388800 22 Oct 1981 21:19:52.320000	2450026.479100 4 Nov 1995 23:29:54.240000	7.400	6.150
AX	C M Allen	52	2444903.322200 25 Oct 1981 19:43:58.080000	2456150.356900 10 Aug 2012 20:33:56.160000	7.400	5.600
VS	T G Saville	23	2445000.687500 31 Jan 1982 04:30:00.000000	2445469.440900 14 May 1983 22:34:53.760000	7.200	6.280
KZ	B J Keenan	60	2445076.388100 16 Apr 1982 21:18:51.840000	2446375.300000 5 Nov 1985 19:12:00.000000	7.600	6.320
PI	R D Pickard	5	2445076.471500 16 Apr 1982 23:18:57.600000	2447743.442300 4 Aug 1989 22:36:54.720000	7.200	6.600
EL	D J Ells	1	2445076.471500 16 Apr 1982 23:18:57.600000	2445076.471500 16 Apr 1982 23:18:57.600000	6.800	6.800
QH	P Heppenstall	2	2445077.423600 17 Apr 1982 22:09:59.040000	2445084.468700 24 Apr 1982 23:14:55.680000	7.000	7.000
HP	M A Hapgood	3	2445079.383300 19 Apr 1982 21:11:57.120000	2445202.399300 20 Aug 1982 21:34:59.520000	6.850	6.500
TN	A J Thomson	2	2445084.428400 24 Apr 1982 22:16:53.760000	2445233.350600 20 Sep 1982 20:24:51.840000	7.050	6.900
EA	S J Evans	24	2445140.481200 19 Jun 1982 23:32:55.680000	2449451.434000 8 Apr 1994 22:24:57.600000	7.080	6.100
IW	W J Worraker	78	2445166.462500 15 Jul 1982 23:06:00.000000	2460210.369000 22 Sep 2023 20:51:21.600000	7.500	6.200
ON	N M Bone	451	2445167.461800 16 Jul 1982 23:04:59.520000	2454640.458300 22 Jun 2008 22:59:57.120000	7.600	5.900
KH	I H Kennedy	2	2445167.504800 17 Jul 1982 00:06:54.720000	2445266.357600 23 Oct 1982 20:34:56.640000	6.440	6.360
QM	T Markham	892	2444787.469000 1 Jul 1981 23:15:21.600000	2457546.441000 6 Jun 2016 22:35:02.400000	7.400	6.200
IM	B J McInnerny	3	2445257.329800 14 Oct 1982 19:54:54.720000	2445290.335400 16 Nov 1982 20:02:58.560000	6.800	6.250
AQ	S Allmand	43	2445469.430500 14 May 1983 22:19:55.200000	2446372.275000 2 Nov 1985 18:36:00.000000	7.400	6.440
YW	J W Barry	11	2445469.502000 15 May 1983 00:02:52.800000	2445973.330500 29 Sep 1984 19:55:55.200000	7.240	6.760
YJ	J Kelly	2	2445550.440900 3 Aug 1983 22:34:53.760000	2445561.444400 14 Aug 1983 22:39:56.160000	6.600	6.600
JZ	R D Januszewski	5	2445814.502000 24 Apr 1984 00:02:52.800000	2446192.504100 7 May 1985 00:05:54.240000	6.850	6.400
IG	J R Higgs	1	2445816.444400 25 Apr 1984 22:39:56.160000	2445816.444400 25 Apr 1984 22:39:56.160000	6.600	6.600
QRA	G Ramsay	167	2445885.545100 4 Jul 1984 01:04:56.640000	2449205.416600 5 Aug 1993 21:59:54.240000	7.670	6.000
UN	B R M Munden	216	2445910.419400 28 Jul 1984 22:03:56.160000	2452971.229900 27 Nov 2003 17:31:03.360000	7.400	5.800
RAK	R A Kendall	67	2445924.382600 11 Aug 1984 21:10:56.640000	2447091.313800 22 Oct 1987 19:31:52.320000	7.330	6.000
IJ	J S Smith	58	2446212.443000 26 May 1985 22:37:55.200000	2447770.360400 31 Aug 1989 20:38:58.560000	7.280	6.300
UT	A Hutchings	23	2446576.475600 25 May 1986 23:24:51.840000	2446947.442300 31 May 1987 22:36:54.720000	7.070	6.330
GER	R J Geddes	14	2446630.459000 18 Jul 1986 23:00:57.600000	2446976.465200 29 Jun 1987 23:09:53.280000	7.000	6.300
ARE	A R Edwards	3	2446715.343700 11 Oct 1986 20:14:55.680000	2446760.265200 25 Nov 1986 18:21:53.280000	6.600	6.400
CHA	A Chapman	43	2446719.385400 15 Oct 1986 21:14:58.560000	2447478.253400 12 Nov 1988 18:04:53.760000	7.400	6.350
SMA	A Smeaton	28	2446883.482600 28 Mar 1987 23:34:56.640000	2448839.400000 4 Aug 1992 21:36:00.000000	7.200	6.400
MJD	M J D Price	5	2446916.395100 30 Apr 1987 21:28:56.640000	2447044.506900 6 Sep 1987 00:09:56.160000	7.100	6.480
TJ	J Toone	1,689	2443261.413000 27 Apr 1977 21:54:43.200000	2460429.428000 28 Apr 2024 22:16:19.200000	7.600	5.900
FRW	R W Fleet	31	2447246.472200 25 Mar 1988 23:19:58.080000	2448062.472900 19 Jun 1990 23:20:58.560000	7.200	6.100
POG	G Pointer	57	2447391.393700 17 Aug 1988 21:26:55.680000	2450078.270100 26 Dec 1995 18:28:56.640000	7.500	6.300
JAF	J Fraser	50	2447485.541600 20 Nov 1988 00:59:54.240000	2448750.450000 7 May 1992 22:48:00.000000	7.400	6.470
WEK	K West	4	2447760.413800 21 Aug 1989 21:55:52.320000	2447802.329100 2 Oct 1989 19:53:54.240000	6.470	5.750
KOU	S Koushiappas	7	2447999.343700 17 Apr 1990 20:14:55.680000	2448398.300000 21 May 1991 19:12:00.000000	6.920	6.300
SGR	S G Ridley	45	2448352.532600 6 Apr 1991 00:46:56.640000	2449453.447900 10 Apr 1994 22:44:58.560000	7.130	6.300
JSD	J S Day	191	2448647.751300 26 Jan 1992 06:01:52.320000	2454653.286800 5 Jul 2008 18:52:59.520000	7.300	6.470
MIG	M Gill	5	2448690.600600 9 Mar 1992 02:24:51.840000	2449597.474300 1 Sep 1994 23:22:59.520000	7.070	6.400
OHB	B O'Halloran	13	2448791.494400 17 Jun 1992 23:51:56.160000	2449161.497900 22 Jun 1993 23:56:58.560000	7.400	6.300
EYU	E Yusuf	14	2448835.475600 31 Jul 1992 23:24:51.840000	2453162.399300 5 Jun 2004 21:34:59.520000	7.000	6.360
DBK	D B Kazansky	33	2448836.281200 1 Aug 1992 18:44:55.680000	2450067.131900 15 Dec 1995 15:09:56.160000	6.800	6.180
RAM	R A Marriott	3	2449065.564500 19 Mar 1993 01:32:52.800000	2449077.588800 31 Mar 1993 02:07:52.320000	6.400	6.200
BIB	P Bibbings	1	2449212.428400 12 Aug 1993 22:16:53.760000	2449212.428400 12 Aug 1993 22:16:53.760000	6.500	6.500
TT	T Tanti	3	2449230.350600 30 Aug 1993 20:24:51.840000	2449261.284700 30 Sep 1993 18:49:58.080000	6.400	6.330
RL	R Billington	8	2449249.442300 18 Sep 1993 22:36:54.720000	2449679.281200 22 Nov 1994 18:44:55.680000	7.200	6.100
BSC	B S Crawford	43	2449543.499300 9 Jul 1994 23:58:59.520000	2450065.260400 13 Dec 1995 18:14:58.560000	7.200	6.300
BHG	B H Granslo	30	2450510.310000 2 Mar 1997 19:26:24.000000	2451305.530000 7 May 1999 00:43:12.000000	7.100	6.300
ARB	A R Baransky	108	2450678.400000 17 Aug 1997 21:36:00.000000	2451846.200000 28 Oct 2000 16:48:00.000000	7.200	6.200
DGL	D Gill	4	2450697.435400 5 Sep 1997 22:26:58.560000	2451089.381900 2 Oct 1998 21:09:56.160000	7.300	6.500
VGM	V G Mormyl	22	2450748.100000 26 Oct 1997 14:24:00.000000	2450875.600000 3 Mar 1998 02:24:00.000000	6.800	6.400
DT	D Stott	61	2450816.263800 2 Jan 1998 18:19:52.320000	2451176.228400 28 Dec 1998 17:28:53.760000	7.050	6.400
SJO	S Johnston	29	2450697.487000 5 Sep 1997 23:41:16.800000	2451480.333300 28 Oct 1999 19:59:57.120000	7.280	6.100
NC	M J Nicholls	4	2451035.407600 9 Aug 1998 21:46:56.640000	2451278.420100 9 Apr 1999 22:04:56.640000	7.200	6.800
FAD	M Fadda	14	2451657.377700 22 Apr 2000 21:03:53.280000	2451842.243000 24 Oct 2000 17:49:55.200000	7.220	6.260
FAR	J Farrer	1	2451666.504800 2 May 2000 00:06:54.720000	2451666.504800 2 May 2000 00:06:54.720000	6.130	6.130
PJC	P J Charleton	34	2451768.409700 11 Aug 2000 21:49:58.080000	2452936.336800 23 Oct 2003 20:04:59.520000	7.100	5.700
HB	M A Hather	6	2451776.423600 19 Aug 2000 22:09:59.040000	2451969.652800 1 Mar 2001 03:40:01.920000	7.100	6.200
-SK	G Stefanopoulos	235	2451777.347200 20 Aug 2000 20:19:58.080000	2458660.315000 25 Jun 2019 19:33:36.000000	7.200	6.100
STO	D Storey	2	2453018.740300 14 Jan 2004 05:46:01.920000	2453746.746500 11 Jan 2006 05:54:57.600000	6.600	6.600
WOO	S Woodbridge	17	2454325.404900 12 Aug 2007 21:43:03.360000	2454767.347900 27 Oct 2008 20:20:58.560000	7.200	6.300
BMD	B MacDonald	11	2453829.434000 3 Apr 2006 22:24:57.600000	2455679.513900 28 Apr 2011 00:20:00.960000	7.100	6.200
CPM	C Mann	7	2455006.438900 23 Jun 2009 22:32:00.960000	2456796.426000 18 May 2014 22:13:26.400000	7.100	6.100
GAV	D Gavine	181	2451722.514000 27 Jun 2000 00:20:09.600000	2455150.305000 14 Nov 2009 19:19:12.000000	7.400	6.200
LMC	L McCalman	14	2452905.350700 22 Sep 2003 20:25:00.480000	2453681.267400 6 Nov 2005 18:25:03.360000	7.200	6.300
BMB	B MacDonald	7	2455961.767400 4 Feb 2012 06:25:03.360000	2456061.464600 13 May 2012 23:09:01.440000	7.100	6.100
BAR	M Barrett	37	2456415.432000 2 May 2013 22:22:04.800000	2459114.427000 21 Sep 2020 22:14:52.800000	7.600	5.800
GJ	R J Godden	2	2454366.382000 22 Sep 2007 21:10:04.800000	2454394.385000 20 Oct 2007 21:14:24.000000	6.700	6.700
RPE	R Pearce	24	2457144.451000 1 May 2015 22:49:26.400000	2460094.455000 29 May 2023 22:55:12.000000	7.200	5.800
KGF	K Griffiths	2	2457598.492000 28 Jul 2016 23:48:28.800000	2458321.486000 21 Jul 2018 23:39:50.400000	6.900	6.500
TLH	T L Heywood	179	2457573.517000 4 Jul 2016 00:24:28.800000	2460206.316000 18 Sep 2023 19:35:02.400000	7.600	6.500
BMU	J Muirden	8	2439817.400000 22 Nov 1967 21:36:00.000000	2440037.500000 30 Jun 1968 00:00:00.000000	7.100	6.400
JL	M L Joslin	3	2458259.421000 20 May 2018 22:06:14.400000	2458282.479300 12 Jun 2018 23:30:11.520000	7.000	6.700
GPF	G Fleming	49	2458914.477050 5 Mar 2020 23:26:57.120000	2460177.426920 20 Aug 2023 22:14:45.888000	7.002	5.750
HJD	H J Davies	1	2459110.424000 17 Sep 2020 22:10:33.600000	2459110.424000 17 Sep 2020 22:10:33.600000	6.800	6.800