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Observation Summary for Variable Star AH DRA

Total observations:6,899Minimum magnitude: 9.400Maximum magnitude: 6.500
First observation:JD 2441005.700000\23 Feb 1971 04:48:00.000000 UTLatest observation:JD 2460429.392000\28 Apr 2024 21:24:28.800000 UT
Observation MethodNumber of Observations
Visual6,101
Photographic17
CCD34
CMOS747

Back to Basic Summary

Summary by Stars

Observer IdObserver NameNumber of ObservationsFirst Observation JD / UTLatest Observation JD / UTMinimum MagnitudeMaximum Magnitude
HCC Henshaw312441005.700000
23 Feb 1971 04:48:00.000000
2442048.677700
1 Jan 1974 04:15:53.280000
8.6007.500
ISJ E Isles442441052.500000
11 Apr 1971 00:00:00.000000
2447444.258300
9 Oct 1988 18:11:57.120000
9.2007.000
UPD A Pickup22441061.400000
19 Apr 1971 21:36:00.000000
2441084.500000
13 May 1971 00:00:00.000000
7.8007.600
RDD W Robinson52441103.500000
1 Jun 1971 00:00:00.000000
2441262.700000
7 Nov 1971 04:48:00.000000
8.2007.900
HHI D Howarth22441146.500000
14 Jul 1971 00:00:00.000000
2441162.500000
30 Jul 1971 00:00:00.000000
8.5008.100
GHT Gough52441269.300000
13 Nov 1971 19:12:00.000000
2441915.843700
21 Aug 1973 08:14:55.680000
8.2508.100
QAP Quadt132441271.500000
16 Nov 1971 00:00:00.000000
2441654.500000
3 Dec 1972 00:00:00.000000
8.5007.400
HYP W Hornby392441421.400000
13 Apr 1972 21:36:00.000000
2442326.502000
6 Oct 1974 00:02:52.800000
8.4007.200
CMM Currie312441450.500000
13 May 1972 00:00:00.000000
2442048.237500
31 Dec 1973 17:42:00.000000
8.2007.130
PMM Poxon122441515.400000
16 Jul 1972 21:36:00.000000
2442652.455500
27 Aug 1975 22:55:55.200000
8.1007.400
CPP R Clayton12441539.500000
10 Aug 1972 00:00:00.000000
2441539.500000
10 Aug 1972 00:00:00.000000
6.8006.800
HFG M Hurst102441546.400000
16 Aug 1972 21:36:00.000000
2443382.431200
26 Aug 1977 22:20:55.680000
8.3707.300
JBB Jobson92441587.500000
27 Sep 1972 00:00:00.000000
2441796.434000
23 Apr 1973 22:24:57.600000
8.7007.500
MMI A Middlemist5952441871.461800
7 Jul 1973 23:04:59.520000
2452617.246500
8 Dec 2002 17:54:57.600000
9.1007.000
GEA Gardner92441910.444400
15 Aug 1973 22:39:56.160000
2442202.489500
3 Jun 1974 23:44:52.800000
8.3007.020
PCC Pezzarossa32441927.399300
1 Sep 1973 21:34:59.520000
2441954.347200
28 Sep 1973 20:19:58.080000
8.0307.670
HUD Hufton1232441949.459000
23 Sep 1973 23:00:57.600000
2444308.354800
9 Mar 1980 20:30:54.720000
8.0007.300
TYM D Taylor1732442067.521500
20 Jan 1974 00:30:57.600000
2457021.238000
29 Dec 2014 17:42:43.200000
8.7006.900
SRR Steer22442276.393000
16 Aug 1974 21:25:55.200000
2442300.357600
9 Sep 1974 20:34:56.640000
8.0007.700
WSE J W West72442277.541600
18 Aug 1974 00:59:54.240000
2442373.275600
21 Nov 1974 18:36:51.840000
8.0007.600
MXL R Matthews322442283.447900
23 Aug 1974 22:44:58.560000
2443455.350600
7 Nov 1977 20:24:51.840000
8.4007.400
YGD L Young42442647.568000
23 Aug 1975 01:37:55.200000
2442692.402700
6 Oct 1975 21:39:53.280000
8.0007.880
RHFR B I Fraser1612443146.364500
2 Jan 1977 20:44:52.800000
2450809.309000
26 Dec 1997 19:24:57.600000
8.7406.780
HOA J Hollis182443151.312500
7 Jan 1977 19:30:00.000000
2443506.350600
28 Dec 1977 20:24:51.840000
8.3707.400
AGS W Albrighton7162443284.444400
20 May 1977 22:39:56.160000
2460429.392000
28 Apr 2024 21:24:28.800000
9.1006.900
PRWP R Winstanley12443874.330500
31 Dec 1978 19:55:55.200000
2443874.330500
31 Dec 1978 19:55:55.200000
7.6207.620
LJJ Lashley212443965.467300
1 Apr 1979 23:12:54.720000
2444453.554800
2 Aug 1980 01:18:54.720000
8.0007.340
EPB Espey42444522.434000
9 Oct 1980 22:24:57.600000
2444694.436100
30 Mar 1981 22:27:59.040000
8.4507.300
NZI P Nartowicz892444813.420100
27 Jul 1981 22:04:56.640000
2450026.468700
4 Nov 1995 23:14:55.680000
8.2007.100
VST G Saville272445023.461800
22 Feb 1982 23:04:59.520000
2445477.420100
22 May 1983 22:04:56.640000
8.3007.200
AXC M Allen172445052.684700
24 Mar 1982 04:25:58.080000
2455508.227800
7 Nov 2010 17:28:01.920000
8.2007.300
OPE Spooner382445103.452700
13 May 1982 22:51:53.280000
2446061.354100
26 Dec 1984 20:29:54.240000
8.9007.300
OTS Hoste172445216.334700
3 Sep 1982 20:01:58.080000
2446358.300000
19 Oct 1985 19:12:00.000000
8.9007.400
SWD R B Saw22445296.326300
22 Nov 1982 19:49:52.320000
2445320.260400
16 Dec 1982 18:14:58.560000
7.8007.500
AQS Allmand662445470.409700
15 May 1983 21:49:58.080000
2446407.289500
7 Dec 1985 18:56:52.800000
8.7006.900
QMT Markham5002444843.382000
26 Aug 1981 21:10:04.800000
2457546.493000
6 Jun 2016 23:49:55.200000
9.1007.300
XGG Poyner82445545.463800
29 Jul 1983 23:07:52.320000
2457997.410000
31 Aug 2017 21:50:24.000000
8.1807.440
ING B Chaplin272445615.420100
7 Oct 1983 22:04:56.640000
2446030.260400
25 Nov 1984 18:14:58.560000
8.3007.100
HBM A Hather282445739.470800
8 Feb 1984 23:17:57.120000
2445970.318000
26 Sep 1984 19:37:55.200000
8.0006.900
IJJ S Smith1242445792.357600
1 Apr 1984 20:34:56.640000
2447761.404100
22 Aug 1989 21:41:54.240000
8.6806.930
QRAG Ramsay1012445793.430500
2 Apr 1984 22:19:55.200000
2449247.447900
16 Sep 1993 22:44:58.560000
8.9007.050
AVJ E Agar92445918.412500
5 Aug 1984 21:54:00.000000
2446008.330500
3 Nov 1984 19:55:55.200000
8.2007.450
RAKR A Kendall752445924.406900
11 Aug 1984 21:45:56.160000
2447091.336800
22 Oct 1987 20:04:59.520000
8.3007.200
GRNR N Goodger12446029.463800
24 Nov 1984 23:07:52.320000
2446029.463800
24 Nov 1984 23:07:52.320000
7.8007.800
DSD M Swain702446067.358300
1 Jan 1985 20:35:57.120000
2449928.436800
29 Jul 1995 22:28:59.520000
8.7207.000
UTA Hutchings222446570.420100
19 May 1986 22:04:56.640000
2446913.384700
27 Apr 1987 21:13:58.080000
8.6307.350
TJJ Toone1,4242443317.486000
22 Jun 1977 23:39:50.400000
2460425.440000
24 Apr 2024 22:33:36.000000
9.1006.900
FRWR W Fleet432447269.439500
17 Apr 1988 22:32:52.800000
2448418.447900
10 Jun 1991 22:44:58.560000
8.7806.780
SMAA Smeaton42447751.447200
12 Aug 1989 22:43:58.080000
2448087.454800
14 Jul 1990 22:54:54.720000
7.8307.430
WEKK West42447760.476300
21 Aug 1989 23:25:52.320000
2447802.349300
2 Oct 1989 20:22:59.520000
8.0507.700
ONN M Bone152448037.548600
26 May 1990 01:09:59.040000
2451073.381900
16 Sep 1998 21:09:56.160000
8.5407.140
POGG Pointer312448038.445800
26 May 1990 22:41:57.120000
2449606.392300
10 Sep 1994 21:24:54.720000
8.2007.200
LUBT Lubek332448181.420800
16 Oct 1990 22:05:57.120000
2448954.244400
27 Nov 1992 17:51:56.160000
8.5007.100
LVRR Livingstone22448339.373600
23 Mar 1991 20:57:59.040000
2448361.404800
14 Apr 1991 21:42:54.720000
8.0307.500
SELS Elliott22448493.375000
24 Aug 1991 21:00:00.000000
2448498.427000
29 Aug 1991 22:14:52.800000
7.5007.300
JSDJ S Day1952448635.775000
14 Jan 1992 06:36:00.000000
2454653.299300
5 Jul 2008 19:10:59.520000
8.7206.900
EAS J Evans202448756.429100
13 May 1992 22:17:54.240000
2449147.482600
8 Jun 1993 23:34:56.640000
8.1506.720
OHBB O'Halloran112448827.487500
23 Jul 1992 23:42:00.000000
2449978.370100
17 Sep 1995 20:52:56.640000
8.6307.370
GAVD Gavine3702448926.524300
31 Oct 1992 00:34:59.520000
2458583.427000
9 Apr 2019 22:14:52.800000
9.0006.900
MINR Minty192449091.461800
13 Apr 1993 23:04:59.520000
2449478.481200
5 May 1994 23:32:55.680000
8.0007.200
NBRN Britton22449360.342300
7 Jan 1994 20:12:54.720000
2449382.473600
29 Jan 1994 23:21:59.040000
7.5307.340
BHGB H Granslo72450519.370000
11 Mar 1997 20:52:48.000000
2450784.220000
1 Dec 1997 17:16:48.000000
8.4008.000
DTD Stott732450816.265900
2 Jan 1998 18:22:53.760000
2451176.238800
28 Dec 1998 17:43:52.320000
7.9507.350
SJOS Johnston452450693.585000
2 Sep 1997 02:02:24.000000
2451870.886800
22 Nov 2000 09:16:59.520000
8.6007.340
KHOK Holland12451134.348600
16 Nov 1998 20:21:59.040000
2451134.348600
16 Nov 1998 20:21:59.040000
8.0008.000
TIHT Hoare22451608.434000
4 Mar 2000 22:24:57.600000
2451616.417300
12 Mar 2000 22:00:54.720000
7.4007.300
FARJ Farrer12451664.506900
30 Apr 2000 00:09:56.160000
2451664.506900
30 Apr 2000 00:09:56.160000
7.4007.400
PJCP J Charleton262451840.322900
22 Oct 2000 19:44:58.560000
2452751.399300
21 Apr 2003 21:34:59.520000
8.3007.300
GXD Griffin702452548.006300
30 Sep 2002 12:09:04.320000
2455849.243100
14 Oct 2011 17:50:03.840000
9.4007.200
STOD Storey12453022.578500
18 Jan 2004 01:53:02.400000
2453022.578500
18 Jan 2004 01:53:02.400000
7.5007.500
CPMC Mann32455006.466000
23 Jun 2009 23:11:02.400000
2456088.435400
9 Jun 2012 22:26:58.560000
8.5007.500
BJB J Beesley142454734.442400
24 Sep 2008 22:37:03.360000
2455501.422900
31 Oct 2010 22:08:58.560000
8.6007.400
LMCL McCalman462452347.431900
13 Mar 2002 22:21:56.160000
2453692.430600
17 Nov 2005 22:20:03.840000
8.9007.400
BMDB MacDonald52454196.476000
5 Apr 2007 23:25:26.400000
2455679.488200
27 Apr 2011 23:43:00.480000
8.1007.100
BMBB MacDonald52455983.570100
26 Feb 2012 01:40:56.640000
2456039.500700
22 Apr 2012 00:01:00.480000
8.0007.500
BARM Barrett482456415.388000
2 May 2013 21:18:43.200000
2459114.460000
21 Sep 2020 23:02:24.000000
8.7006.500
NFN A Foster152456014.369000
27 Mar 2012 20:51:21.600000
2456658.270000
31 Dec 2013 18:28:48.000000
8.0007.200
GJR J Godden12454347.382000
3 Sep 2007 21:10:04.800000
2454347.382000
3 Sep 2007 21:10:04.800000
9.3009.300
RPER Pearce62457261.552000
27 Aug 2015 01:14:52.800000
2459518.354000
30 Oct 2021 20:29:45.600000
8.0007.000
WJAAJ Whinfrey12457328.362000
1 Nov 2015 20:41:16.800000
2457328.362000
1 Nov 2015 20:41:16.800000
8.0008.000
TLHT L Heywood1002457573.517000
4 Jul 2016 00:24:28.800000
2459939.757000
26 Dec 2022 06:10:04.800000
8.6007.500
CMYM Crook62457684.299000
22 Oct 2016 19:10:33.600000
2458087.330000
29 Nov 2017 19:55:12.000000
7.8007.200
KGFK Griffiths22457934.566000
30 Jun 2017 01:35:02.400000
2458019.625000
23 Sep 2017 03:00:00.000000
8.3008.000
GPFG Fleming422458385.347960
23 Sep 2018 20:21:03.744000
2460177.433210
20 Aug 2023 22:23:49.344000
8.3507.228
RKHR K Hunt1102458552.585900
10 Mar 2019 02:03:41.760000
2460371.327700
1 Mar 2024 19:51:53.280000
8.7006.800
RADM Radice12458819.388000
1 Dec 2019 21:18:43.200000
2458819.388000
1 Dec 2019 21:18:43.200000
7.1007.100
JESC J Evans202459359.492000
24 May 2021 23:48:28.800000
2459912.302000
28 Nov 2022 19:14:52.800000
8.5007.200
DNND Nicholson12459637.410000
26 Feb 2022 21:50:24.000000
2459637.410000
26 Feb 2022 21:50:24.000000
7.1007.100
NMCC Newman32459620.707000
10 Feb 2022 04:58:04.800000
2459678.422000
8 Apr 2022 22:07:40.800000
7.6007.200
CWSC Watkins7392459631.667778
21 Feb 2022 04:01:36.019200
2460367.642297
27 Feb 2024 03:24:54.460800
8.0227.098
DHSD Hale-Sutton142459695.408000
25 Apr 2022 21:47:31.200000
2460402.419000
1 Apr 2024 22:03:21.600000
8.2007.100
IWW J Worraker222459812.391000
20 Aug 2022 21:23:02.400000
2460280.374000
1 Dec 2023 20:58:33.600000
8.2007.200