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Observation Summary for Variable Star RV TAU

Total observations:7,428Minimum magnitude: 11.470Maximum magnitude: 8.100
First observation:JD 2433569.449300\14 Oct 1950 22:46:59.520000 UTLatest observation:JD 2460425.394000\24 Apr 2024 21:27:21.600000 UT
Observation MethodNumber of Observations
Visual7,366
CCD28
DSLR12
CMOS22

Back to Basic Summary

Summary by Stars

Observer IdObserver NameNumber of ObservationsFirst Observation JD / UTLatest Observation JD / UTMinimum MagnitudeMaximum Magnitude
HLF M Holborn1972433569.449300
14 Oct 1950 22:46:59.520000		2437015.320100
21 Mar 1960 19:40:56.640000		11.4708.900
SHW L Shepherd432433617.350600
1 Dec 1950 20:24:51.840000		2434010.295100
29 Dec 1951 19:04:56.640000		10.4708.900
GRR F Griffin1402434681.416600
30 Oct 1953 21:59:54.240000		2435807.381900
29 Nov 1956 21:09:56.160000		11.0508.800
LVR J Livesey3122437678.493000
13 Jan 1962 23:49:55.200000		2443172.400000
28 Jan 1977 21:36:00.000000		11.0008.600
CUR F Churchhouse52437965.444400
27 Oct 1962 22:39:56.160000		2438132.409700
12 Apr 1963 21:49:58.080000		10.1309.400
JNR H Jones702438020.312500
21 Dec 1962 19:30:00.000000		2439953.363100
6 Apr 1968 20:42:51.840000		10.4008.520
MIR Middlefell52438287.500000
15 Sep 1963 00:00:00.000000		2438403.541600
9 Jan 1964 00:59:54.240000		10.60010.000
CTB A Carter1482438342.489500
8 Nov 1963 23:44:52.800000		2440571.522900
16 Dec 1969 00:32:58.560000		10.6008.600
SFR C I Shinkfield282438377.010400
13 Dec 1963 12:14:58.560000		2440266.954800
14 Feb 1969 10:54:54.720000		10.9008.600
LOR S Lomas2142438411.472200
16 Jan 1964 23:19:58.080000		2440219.409700
28 Dec 1968 21:49:58.080000		10.9009.000
RNT A Robinson882438779.395800
18 Jan 1965 21:29:57.120000		2452360.329900
26 Mar 2002 19:55:03.360000		11.2008.200
CQG Cowie852439111.340200
16 Dec 1965 20:09:53.280000		2440216.458300
25 Dec 1968 22:59:57.120000		10.8108.700
SWD R B Saw2752439357.565900
20 Aug 1966 01:34:53.760000		2444905.447900
27 Oct 1981 22:44:58.560000		10.8008.800
FCM French32439915.343700
28 Feb 1968 20:14:55.680000		2440158.420100
28 Oct 1968 22:04:56.640000		9.7008.300
ISJ E Isles602439946.395800
30 Mar 1968 21:29:57.120000		2447852.366600
21 Nov 1989 20:47:54.240000		10.4008.800
KXO J Knox1902440518.583300
24 Oct 1969 01:59:57.120000		2442720.300000
3 Nov 1975 19:12:00.000000		10.7508.700
HOA J Hollis92441269.552000
14 Nov 1971 01:14:52.800000		2443821.400000
8 Nov 1978 21:36:00.000000		10.8009.500
PTR A H Paterson7102441630.527700
9 Nov 1972 00:39:53.280000		2459995.364000
19 Feb 2023 20:44:09.600000		11.1008.300
PCC Pezzarossa252441687.437500
4 Jan 1973 22:30:00.000000		2442045.434000
28 Dec 1973 22:24:57.600000		10.4009.400
BPJ A Bailey562441723.472200
9 Feb 1973 23:19:58.080000		2442694.500000
9 Oct 1975 00:00:00.000000		10.5508.500
HYP W Hornby42442012.361800
25 Nov 1973 20:40:59.520000		2442319.600000
29 Sep 1974 02:24:00.000000		10.1509.430
MXL R Matthews92442012.409700
25 Nov 1973 21:49:58.080000		2442647.600000
23 Aug 1975 02:24:00.000000		10.4008.700
SQM Shallis52442018.500000
2 Dec 1973 00:00:00.000000		2442101.400000
22 Feb 1974 21:36:00.000000		10.1209.740
DIR Diethelm132442059.400000
11 Jan 1974 21:36:00.000000		2442369.300000
17 Nov 1974 19:12:00.000000		10.7008.500
LRK Locher572442062.400000
14 Jan 1974 21:36:00.000000		2442500.300000
28 Mar 1975 19:12:00.000000		10.3808.460
WSE J W West12442071.400000
23 Jan 1974 21:36:00.000000		2442071.400000
23 Jan 1974 21:36:00.000000		9.6209.620
MDR W Middleton1832442077.300000
29 Jan 1974 19:12:00.000000		2454086.313200
16 Dec 2006 19:31:00.480000		10.8008.700
GXD Griffin472442088.300000
9 Feb 1974 19:12:00.000000		2443139.500000
27 Dec 1976 00:00:00.000000		10.6808.830
SUK Sturdy182442088.400000
9 Feb 1974 21:36:00.000000		2442752.500000
6 Dec 1975 00:00:00.000000		10.1008.970
GMR Germann72442095.300000
16 Feb 1974 19:12:00.000000		2442156.300000
18 Apr 1974 19:12:00.000000		10.0809.090
FOA E J Forno42442125.300000
18 Mar 1974 19:12:00.000000		2442143.400000
5 Apr 1974 21:36:00.000000		9.6309.350
REN Reid52442125.400000
18 Mar 1974 21:36:00.000000		2442414.300000
1 Jan 1975 19:12:00.000000		9.8009.200
RTD A Rothery82442268.600000
9 Aug 1974 02:24:00.000000		2442837.300000
28 Feb 1976 19:12:00.000000		10.0508.500
BST Brelstaff452442277.600000
18 Aug 1974 02:24:00.000000		2443875.400000
1 Jan 1979 21:36:00.000000		10.2009.100
POA K Porter122442277.600000
18 Aug 1974 02:24:00.000000		2442461.300000
17 Feb 1975 19:12:00.000000		10.3508.650
BTG K Broadbent552442300.500000
10 Sep 1974 00:00:00.000000		2443112.300000
29 Nov 1976 19:12:00.000000		10.5008.800
GJR J Godden982442308.600000
18 Sep 1974 02:24:00.000000		2445559.606200
13 Aug 1983 02:32:55.680000		10.9008.520
TYM D Taylor52442319.600000
29 Sep 1974 02:24:00.000000		2442744.400000
27 Nov 1975 21:36:00.000000		9.5508.900
LCD Churchill82442363.300000
11 Nov 1974 19:12:00.000000		2442489.400000
17 Mar 1975 21:36:00.000000		10.0008.470
KBK Brady42442363.500000
12 Nov 1974 00:00:00.000000		2442750.400000
3 Dec 1975 21:36:00.000000		9.9008.900
SPG H Spalding232442364.400000
12 Nov 1974 21:36:00.000000		2443243.400000
9 Apr 1977 21:36:00.000000		10.6008.460
PVH Peter12442367.300000
15 Nov 1974 19:12:00.000000		2442367.300000
15 Nov 1974 19:12:00.000000		10.01010.010
DCF D Chesterfield332442370.400000
18 Nov 1974 21:36:00.000000		2443838.300000
25 Nov 1978 19:12:00.000000		10.2808.860
SSH W S Smith92442375.500000
24 Nov 1974 00:00:00.000000		2445053.438800
24 Mar 1982 22:31:52.320000		10.3009.000
OBS Bottom22442400.400000
18 Dec 1974 21:36:00.000000		2442404.300000
22 Dec 1974 19:12:00.000000		10.1009.930
WVP B Withers312442433.500000
21 Jan 1975 00:00:00.000000		2442876.400000
7 Apr 1976 21:36:00.000000		10.1508.460
MYA Maudsley262442518.400000
15 Apr 1975 21:36:00.000000		2443230.400000
27 Mar 1977 21:36:00.000000		10.6008.800
IHG Hirst22442771.400000
24 Dec 1975 21:36:00.000000		2442801.400000
23 Jan 1976 21:36:00.000000		10.10010.000
LLR L Lyon232442802.400000
24 Jan 1976 21:36:00.000000		2443429.400000
12 Oct 1977 21:36:00.000000		10.3009.000
XCA Connell92442834.400000
25 Feb 1976 21:36:00.000000		2443096.300000
13 Nov 1976 19:12:00.000000		10.1009.400
PIR D Pickard812442839.400000
1 Mar 1976 21:36:00.000000		2447208.390900
16 Feb 1988 21:22:53.760000		10.7808.700
VBJ S Bullivant42442843.400000
5 Mar 1976 21:36:00.000000		2443137.600000
25 Dec 1976 02:24:00.000000		10.1809.700
AGS W Albrighton212443075.400000
23 Oct 1976 21:36:00.000000		2446049.400000
14 Dec 1984 21:36:00.000000		10.7009.100
GCG A V Coady1122443151.300000
7 Jan 1977 19:12:00.000000		2449717.440900
30 Dec 1994 22:34:53.760000		10.8008.900
RHFR B I Fraser112443172.400000
28 Jan 1977 21:36:00.000000		2446143.409700
18 Mar 1985 21:49:58.080000		10.1608.780
DTD Stott6212443174.400000
30 Jan 1977 21:36:00.000000		2448011.368700
29 Apr 1990 20:50:55.680000		10.9008.850
PSP J Swift12443217.400000
14 Mar 1977 21:36:00.000000		2443217.400000
14 Mar 1977 21:36:00.000000		9.8009.800
GVA Cosgrove12443403.600000
17 Sep 1977 02:24:00.000000		2443403.600000
17 Sep 1977 02:24:00.000000		9.7409.740
NRR H Mcnaught62443476.600000
29 Nov 1977 02:24:00.000000		2443873.400000
30 Dec 1978 21:36:00.000000		10.3309.450
WHP J Wheeler682443481.400000
3 Dec 1977 21:36:00.000000		2446138.370800
13 Mar 1985 20:53:57.120000		10.8008.500
DZD J Shepherd42443511.400000
2 Jan 1978 21:36:00.000000		2443597.400000
29 Mar 1978 21:36:00.000000		10.1309.400
KMC Brookman12443539.400000
30 Jan 1978 21:36:00.000000		2443539.400000
30 Jan 1978 21:36:00.000000		9.8309.830
CHR H Chambers262443550.400000
10 Feb 1978 21:36:00.000000		2447204.430500
12 Feb 1988 22:19:55.200000		10.2008.700
KSN S Kiernan1022443837.600000
25 Nov 1978 02:24:00.000000		2447377.611100
4 Aug 1988 02:39:59.040000		10.7008.800
SKJ D Shanklin812444226.500000
19 Dec 1979 00:00:00.000000		2453381.387500
10 Jan 2005 21:18:00.000000		10.7508.800
XGG Poyner282444263.400000
24 Jan 1980 21:36:00.000000		2447168.364500
7 Jan 1988 20:44:52.800000		10.8008.840
EJJ W L Ells202444303.300000
4 Mar 1980 19:12:00.000000		2445744.400000
13 Feb 1984 21:36:00.000000		10.6008.700
XFL J Higgins112444555.500000
12 Nov 1980 00:00:00.000000		2444636.381900
31 Jan 1981 21:09:56.160000		10.5009.320
RKJ W Rock162444569.400000
25 Nov 1980 21:36:00.000000		2444932.404100
23 Nov 1981 21:41:54.240000		10.4008.700
QQP A Plunkett12444573.600000
30 Nov 1980 02:24:00.000000		2444573.600000
30 Nov 1980 02:24:00.000000		10.32010.320
KTN F H Knight32444579.300000
5 Dec 1980 19:12:00.000000		2444599.300000
25 Dec 1980 19:12:00.000000		10.1009.050
TUR J Stuart142444634.375000
29 Jan 1981 21:00:00.000000		2445382.400000
16 Feb 1983 21:36:00.000000		10.5009.400
NZI P Nartowicz112444637.416600
1 Feb 1981 21:59:54.240000		2444939.447900
30 Nov 1981 22:44:58.560000		10.0508.800
LQT Laban162444936.284700
27 Nov 1981 18:49:58.080000		2445076.333300
16 Apr 1982 19:59:57.120000		10.0008.700
NCM J Nicholls912444974.340200
4 Jan 1982 20:09:53.280000		2448343.336800
27 Mar 1991 20:04:59.520000		10.7008.520
AXC M Allen32444979.325000
9 Jan 1982 19:48:00.000000		2455843.384000
8 Oct 2011 21:12:57.600000		9.6009.150
VST G Saville122444982.333300
12 Jan 1982 19:59:57.120000		2445418.400000
24 Mar 1983 21:36:00.000000		10.7008.970
OTS Hoste92444985.237500
15 Jan 1982 17:42:00.000000		2445074.338100
14 Apr 1982 20:06:51.840000		9.9009.000
OZD Couzin172445242.461800
29 Sep 1982 23:04:59.520000		2445380.371500
14 Feb 1983 20:54:57.600000		10.3308.830
OPE Spooner12445269.520800
27 Oct 1982 00:29:57.120000		2445269.520800
27 Oct 1982 00:29:57.120000		10.10010.100
QCH Colquhoun22445354.336800
19 Jan 1983 20:04:59.520000		2445376.409700
10 Feb 1983 21:49:58.080000		10.5208.780
HBM A Hather112445615.500000
8 Oct 1983 00:00:00.000000		2445671.418700
2 Dec 1983 22:02:55.680000		10.2008.700
ULS J Lubbock1292445636.479100
28 Oct 1983 23:29:54.240000		2446887.367300
1 Apr 1987 20:48:54.720000		10.6008.400
HDII Howard-Duff132446050.500000
16 Dec 1984 00:00:00.000000		2446510.343700
20 Mar 1986 20:14:55.680000		10.1009.000
MMI A Middlemist892446076.274300
10 Jan 1985 18:34:59.520000		2452623.302100
14 Dec 2002 19:15:01.440000		10.8008.600
NHM B Houchen122446118.427000
21 Feb 1985 22:14:52.800000		2446738.375000
3 Nov 1986 21:00:00.000000		10.1008.480
ZKM A Brookes42446358.508300
20 Oct 1985 00:11:57.120000		2446429.332600
29 Dec 1985 19:58:56.640000		10.1509.900
TQP Mettam32446826.284700
30 Jan 1987 18:49:58.080000		2446870.334700
15 Mar 1987 20:01:58.080000		10.4009.500
TJJ Toone8602445051.353000
22 Mar 1982 20:28:19.200000		2460425.394000
24 Apr 2024 21:27:21.600000		11.3809.100
QRAG Ramsay22447592.423600
6 Mar 1989 22:09:59.040000		2447614.399300
28 Mar 1989 21:34:59.520000		10.0709.170
DRR C Dryden5302447856.343700
25 Nov 1989 20:14:55.680000		2460308.299000
29 Dec 2023 19:10:33.600000		11.0009.000
KOUS Koushiappas62448541.461800
11 Oct 1991 23:04:59.520000		2448987.339500
30 Dec 1992 20:08:52.800000		10.7009.400
CHWC Washington52448644.329800
22 Jan 1992 19:54:54.720000		2448706.333300
24 Mar 1992 19:59:57.120000		10.2009.350
EAS J Evans22448953.513800
27 Nov 1992 00:19:52.320000		2448985.538100
29 Dec 1992 00:54:51.840000		10.4509.340
SALG W Salmon412450023.513800
2 Nov 1995 00:19:52.320000		2452991.334700
17 Dec 2003 20:01:58.080000		11.1008.700
BHGB H Granslo112450701.550000
10 Sep 1997 01:12:00.000000		2451797.550000
10 Sep 2000 01:12:00.000000		10.4009.700
GDM J Gainsford6972451875.315200
26 Nov 2000 19:33:53.280000		2458514.375000
30 Jan 2019 21:00:00.000000		11.0008.500
BJB J Beesley882454698.661800
20 Aug 2008 03:52:59.520000		2455531.446500
30 Nov 2010 22:42:57.600000		10.9008.900
BCPC D Beech132454837.370800
5 Jan 2009 20:53:57.120000		2455198.406900
1 Jan 2010 21:45:56.160000		9.9008.700
TVAT Vale422457347.365000
20 Nov 2015 20:45:36.000000		2460373.423000
3 Mar 2024 22:09:07.200000		10.8008.100
RPER Pearce152457437.503000
19 Feb 2016 00:04:19.200000		2459656.396000
17 Mar 2022 21:30:14.400000		11.0009.100
IWTI L Walton22458493.407930
9 Jan 2019 21:47:25.152000		2458493.407930
9 Jan 2019 21:47:25.152000		10.24010.240
WPSW Parkes122458511.385760
27 Jan 2019 21:15:29.664000		2459964.391670
19 Jan 2023 21:24:00.288000		10.8279.320
GPFG Fleming352458819.269070
1 Dec 2019 18:27:27.648000		2460341.476080
31 Jan 2024 23:25:33.312000		10.3849.128
KGFK Griffiths12458029.660000
3 Oct 2017 03:50:24.000000		2458029.660000
3 Oct 2017 03:50:24.000000		9.8009.800