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Observation Summary for Variable Star S UMA

Total observations:16,159Minimum magnitude: 13.000Maximum magnitude: 6.740
First observation:JD 2399655.500000\7 Dec 1857 00:00:00.000000 UTLatest observation:JD 2460410.363190\9 Apr 2024 20:42:59.616000 UT
Observation MethodNumber of Observations
Visual16,061
Photographic15
DSLR51
CCD27
CMOS5

Back to Basic Summary

Summary by Stars

Observer IdObserver NameNumber of ObservationsFirst Observation JD / UTLatest Observation JD / UTMinimum MagnitudeMaximum Magnitude
JMPJ De Morae Pereira582412286.500000
7 Jul 1892 00:00:00.000000		2413431.500000
26 Aug 1895 00:00:00.000000		12.5007.500
CORH Corder892412586.500000
3 May 1893 00:00:00.000000		2417616.000000
9 Feb 1907 12:00:00.000000		12.3007.800
MKE E Markwick2852414867.000000
31 Jul 1899 12:00:00.000000		2424038.000000
9 Sep 1924 12:00:00.000000		11.9607.020
KEXJ Kelly32415068.000000
17 Feb 1900 12:00:00.000000		2415114.000000
4 Apr 1900 12:00:00.000000		8.5007.650
ORRM A Orr52415080.000000
1 Mar 1900 12:00:00.000000		2415494.000000
19 Apr 1901 12:00:00.000000		8.5007.600
WLXW M Worsell32415092.000000
13 Mar 1900 12:00:00.000000		2415094.000000
15 Mar 1900 12:00:00.000000		8.3108.210
MIXG W Middleton22415110.000000
31 Mar 1900 12:00:00.000000		2415111.000000
1 Apr 1900 12:00:00.000000		9.2209.030
CHJJ W L Child762415453.000000
9 Mar 1901 12:00:00.000000		2416044.000000
21 Oct 1902 12:00:00.000000		11.9107.700
PEXJ M Peridier62415603.000000
6 Aug 1901 12:00:00.000000		2415646.000000
18 Sep 1901 12:00:00.000000		13.00011.300
LEBO A Lebeau22415754.000000
4 Jan 1902 12:00:00.000000		2415763.000000
13 Jan 1902 12:00:00.000000		8.6008.200
WMXL A Williams122416705.000000
12 Aug 1904 12:00:00.000000		2417909.000000
29 Nov 1907 12:00:00.000000		10.9207.320
BCC L Brook3722416887.000000
10 Feb 1905 12:00:00.000000		2424093.000000
3 Nov 1924 12:00:00.000000		11.7607.500
BNA N Brown1,3692417274.000000
4 Mar 1906 12:00:00.000000		2427723.000000
12 Oct 1934 12:00:00.000000		12.5407.200
RYP M Ryves412417534.000000
19 Nov 1906 12:00:00.000000		2418426.000000
29 Apr 1909 12:00:00.000000		11.4107.310
MYXM Moye22417593.000000
17 Jan 1907 12:00:00.000000		2417598.000000
22 Jan 1907 12:00:00.000000		10.2509.840
DF De Roy7322417602.000000
26 Jan 1907 12:00:00.000000		2427784.000000
12 Dec 1934 12:00:00.000000		12.5407.300
GDXJ A Greenwood112417703.000000
7 May 1907 12:00:00.000000		2419516.000000
23 Apr 1912 12:00:00.000000		11.8608.300
NIA A Nijland7402417942.000000
1 Jan 1908 12:00:00.000000		2427787.000000
15 Dec 1934 12:00:00.000000		12.1807.710
CRXF R Cripps112418899.000000
15 Aug 1910 12:00:00.000000		2419982.000000
2 Aug 1913 12:00:00.000000		11.0807.660
GBLG B Lacchini1472419445.000000
12 Feb 1912 12:00:00.000000		2421820.000000
14 Aug 1918 12:00:00.000000		11.5807.810
GIN V Ginori292419534.000000
11 May 1912 12:00:00.000000		2419930.000000
11 Jun 1913 12:00:00.000000		11.5807.840
HWE J How1692419705.000000
29 Oct 1912 12:00:00.000000		2426728.000000
21 Jan 1932 12:00:00.000000		11.7506.740
BOJ J Bougon1762419919.000000
31 May 1913 12:00:00.000000		2423409.000000
20 Dec 1922 12:00:00.000000		11.9507.400
BCXA B Burbeck52420915.000000
21 Feb 1916 12:00:00.000000		2421174.000000
6 Nov 1916 12:00:00.000000		9.9907.810
ABXA Brun1152422018.000000
28 Feb 1919 12:00:00.000000		2423016.000000
22 Nov 1921 12:00:00.000000		12.0407.400
CAR G Chandra2222422704.000000
14 Jan 1921 12:00:00.000000		2429621.400000
23 Dec 1939 21:36:00.000000		12.0007.410
WIJ W Wilson582422705.000000
15 Jan 1921 12:00:00.000000		2423903.000000
27 Apr 1924 12:00:00.000000		11.5207.900
SAF Sargent4522423057.000000
2 Jan 1922 12:00:00.000000		2428892.400000
24 Dec 1937 21:36:00.000000		12.5407.160
KWG F Kellaway92423182.000000
7 May 1922 12:00:00.000000		2423343.000000
15 Oct 1922 12:00:00.000000		10.2907.750
LEG H Lepper1112423287.000000
20 Aug 1922 12:00:00.000000		2425172.000000
18 Oct 1927 12:00:00.000000		11.9607.300
LIW M Lindley2052423341.000000
13 Oct 1922 12:00:00.000000		2429406.488800
22 May 1939 23:43:52.320000		12.3007.300
GRHH R Grimwood62423345.000000
17 Oct 1922 12:00:00.000000		2423675.000000
12 Sep 1923 12:00:00.000000		11.0808.000
BHC F Butterworth1,5072423353.000000
25 Oct 1922 12:00:00.000000		2430077.444400
23 Mar 1941 22:39:56.160000		11.9407.120
BGJ H Bridger3112423363.000000
4 Nov 1922 12:00:00.000000		2428873.392300
5 Dec 1937 21:24:54.720000		11.8607.400
COE H Collinson1842423374.000000
15 Nov 1922 12:00:00.000000		2432761.400000
28 Jul 1948 21:36:00.000000		12.3007.400
WFHW F H Waterfield922423443.000000
23 Jan 1923 12:00:00.000000		2424700.000000
3 Jul 1926 12:00:00.000000		11.6307.800
HAG P B Hallowes3842423830.000000
14 Feb 1924 12:00:00.000000		2426640.000000
25 Oct 1931 12:00:00.000000		12.3407.200
SOS Solberg12423878.000000
2 Apr 1924 12:00:00.000000		2423878.000000
2 Apr 1924 12:00:00.000000		8.8608.860
STG E B Stephenson912424222.000000
12 Mar 1925 12:00:00.000000		2425809.000000
16 Jul 1929 12:00:00.000000		11.5907.450
WOH Whichello1072424369.000000
6 Aug 1925 12:00:00.000000		2428018.437500
3 Aug 1935 22:30:00.000000		11.5607.020
SVW H Steavenson1302424392.000000
29 Aug 1925 12:00:00.000000		2424874.000000
24 Dec 1926 12:00:00.000000		11.6107.770
MOXA J Morrison622424562.000000
15 Feb 1926 12:00:00.000000		2425343.000000
6 Apr 1928 12:00:00.000000		11.4307.810
HLF M Holborn9852424726.000000
29 Jul 1926 12:00:00.000000		2436846.302700
4 Oct 1959 19:15:53.280000		12.3307.210
CBH Cobb2752425177.000000
23 Oct 1927 12:00:00.000000		2429493.400000
17 Aug 1939 21:36:00.000000		11.5807.160
SHW L Shepherd1412425192.000000
7 Nov 1927 12:00:00.000000		2433943.333300
23 Oct 1951 19:59:57.120000		12.4407.540
LHA W Lane-Hall1712425397.000000
30 May 1928 12:00:00.000000		2427515.000000
18 Mar 1934 12:00:00.000000		11.9407.520
AYF Addey222425850.000000
26 Aug 1929 12:00:00.000000		2427887.430500
25 Mar 1935 22:19:55.200000		11.0807.790
SNW Strachan652425997.000000
20 Jan 1930 12:00:00.000000		2427258.000000
4 Jul 1933 12:00:00.000000		12.6307.270
FYR M Fry1002426024.000000
16 Feb 1930 12:00:00.000000		2428084.400000
8 Oct 1935 21:36:00.000000		12.2407.300
HSP J Harris1692426241.000000
21 Sep 1930 12:00:00.000000		2428533.400000
30 Dec 1936 21:36:00.000000		11.7507.160
LMG P Lishman862427171.000000
8 Apr 1933 12:00:00.000000		2428154.400000
17 Dec 1935 21:36:00.000000		12.0406.850
CSJ P M Cables532427476.000000
7 Feb 1934 12:00:00.000000		2428468.708300
27 Oct 1936 04:59:57.120000		11.2007.510
RBJ H Robinson1022427490.000000
21 Feb 1934 12:00:00.000000		2439941.402700
25 Mar 1968 21:39:53.280000		11.0807.300
JHJJ H J Burtt32428086.400000
10 Oct 1935 21:36:00.000000		2428117.400000
10 Nov 1935 21:36:00.000000		8.8308.500
HVP Harvey1562428109.400000
2 Nov 1935 21:36:00.000000		2429927.400000
24 Oct 1940 21:36:00.000000		11.9007.500
TCG D R Tucker1102428335.447900
15 Jun 1936 22:44:58.560000		2430670.281200
6 Nov 1942 18:44:55.680000		11.9007.320
GAW T Gayfer392428541.354100
7 Jan 1937 20:29:54.240000		2434711.281200
29 Nov 1953 18:44:55.680000		11.6407.830
BZJ R Bazin4272428542.489500
8 Jan 1937 23:44:52.800000		2433944.364500
24 Oct 1951 20:44:52.800000		12.4007.240
KTN F H Knight812428627.437500
3 Apr 1937 22:30:00.000000		2432197.400000
11 Jan 1947 21:36:00.000000		12.2007.420
ALA F O Alexander532429276.361100
12 Jan 1939 20:39:59.040000		2431379.319400
15 Oct 1944 19:39:56.160000		11.3007.700
CXH W Cox1622429374.458300
20 Apr 1939 22:59:57.120000		2432183.465200
28 Dec 1946 23:09:53.280000		12.1007.540
GWW Green82429726.416600
6 Apr 1940 21:59:54.240000		2429845.427000
3 Aug 1940 22:14:52.800000		11.5807.540
KIH C King262430846.437500
1 May 1943 22:30:00.000000		2432182.400000
27 Dec 1946 21:36:00.000000		12.1007.540
HEA Heath152432009.510400
8 Jul 1946 00:14:58.560000		2432186.472200
31 Dec 1946 23:19:58.080000		11.0807.600
KEH Kenyon152432025.461800
23 Jul 1946 23:04:59.520000		2432182.298600
27 Dec 1946 19:09:59.040000		10.6507.900
GFWG F West62432089.413100
25 Sep 1946 21:54:51.840000		2432174.479100
19 Dec 1946 23:29:54.240000		10.9008.720
FUD L Fulcher92433329.440900
16 Feb 1950 22:34:53.760000		2433976.302000
25 Nov 1951 19:14:52.800000		10.8608.040
ANR G Andrews1092433567.357600
12 Oct 1950 20:34:56.640000		2436867.315900
25 Oct 1959 19:34:53.760000		11.9007.500
FRJ Friends1042433903.416600
13 Sep 1951 21:59:54.240000		2438346.479100
12 Nov 1963 23:29:54.240000		11.8607.720
ROF A Roper3762434103.375000
31 Mar 1952 21:00:00.000000		2438390.447900
26 Dec 1963 22:44:58.560000		12.3007.600
GRR F Griffin2542434472.437500
4 Apr 1953 22:30:00.000000		2435807.368000
29 Nov 1956 20:49:55.200000		11.9607.900
ATL W R W Atcherley42434489.343700
21 Apr 1953 20:14:55.680000		2434500.361100
2 May 1953 20:39:59.040000		7.9007.800
ELWL W Elliott102435204.437500
6 Apr 1955 22:30:00.000000		2435427.375000
15 Nov 1955 21:00:00.000000		10.4507.760
MUC R Munford3972436053.510400
3 Aug 1957 00:14:58.560000		2442406.336800
24 Dec 1974 20:04:59.520000		12.2407.610
LLR L Lyon52436187.489500
14 Dec 1957 23:44:52.800000		2436217.416600
13 Jan 1958 21:59:54.240000		11.3808.760
CNP J Conely92436966.493700
1 Feb 1960 23:50:55.680000		2437163.391600
16 Aug 1960 21:23:54.240000		11.2507.900
FEE S Farr122437041.496500
16 Apr 1960 23:54:57.600000		2437779.402700
24 Apr 1962 21:39:53.280000		11.5108.110
CTB A Carter4492437428.447900
8 May 1961 22:44:58.560000		2440550.764500
25 Nov 1969 06:20:52.800000		12.5407.300
LOR S Lomas3022438087.381900
26 Feb 1963 21:09:56.160000		2440184.659700
24 Nov 1968 03:49:58.080000		12.5407.520
FWJ E S Fawcett92438159.493000
9 May 1963 23:49:55.200000		2438214.447900
3 Jul 1963 22:44:58.560000		12.16010.540
FHJ I M Forsyth42438167.440900
17 May 1963 22:34:53.760000		2438611.409700
3 Aug 1964 21:49:58.080000		11.4408.500
JNR H Jones922438628.513800
21 Aug 1964 00:19:52.320000		2439995.442300
18 May 1968 22:36:54.720000		12.0008.000
GNA Grayson1212439205.390900
20 Mar 1966 21:22:53.760000		2440103.354100
3 Sep 1968 20:29:54.240000		12.0607.700
KXO J Knox4312439887.750000
1 Feb 1968 06:00:00.000000		2442404.291600
22 Dec 1974 18:59:54.240000		11.7907.620
MST J C A Moseley722439924.472200
8 Mar 1968 23:19:58.080000		2440416.506900
14 Jul 1969 00:09:56.160000		12.0107.810
MVJ W Macvey452440061.479100
23 Jul 1968 23:29:54.240000		2441205.429100
10 Sep 1971 22:17:54.240000		9.8207.380
ISJ E Isles32440118.415200
18 Sep 1968 21:57:53.280000		2441510.477000
11 Jul 1972 23:26:52.800000		10.5407.410
JAE Jacobs612440287.350600
6 Mar 1969 20:24:51.840000		2441314.263800
28 Dec 1971 18:19:52.320000		10.0907.600
HDD R Hartley82440706.385400
29 Apr 1970 21:14:58.560000		2441972.305500
16 Oct 1973 19:19:55.200000		11.3807.780
VAD Vest-Askew592440971.440200
19 Jan 1971 22:33:53.280000		2442046.438800
29 Dec 1973 22:31:52.320000		11.1807.220
ASA L Smith102440986.800000
4 Feb 1971 07:12:00.000000		2441239.300000
14 Oct 1971 19:12:00.000000		8.9307.600
UPD A Pickup62441026.300000
15 Mar 1971 19:12:00.000000		2441092.500000
21 May 1971 00:00:00.000000		10.1007.560
FMV J Freeman32441027.300000
16 Mar 1971 19:12:00.000000		2441239.400000
14 Oct 1971 21:36:00.000000		8.9308.200
VJJ D Wise62441027.300000
16 Mar 1971 19:12:00.000000		2441154.500000
22 Jul 1971 00:00:00.000000		11.3807.400
HHI D Howarth72441041.400000
30 Mar 1971 21:36:00.000000		2441809.339500
6 May 1973 20:08:52.800000		11.0007.900
BUS F Burch912441341.378400
24 Jan 1972 21:04:53.760000		2442406.423600
24 Dec 1974 22:09:59.040000		12.0607.900
YDD Young112441513.500000
15 Jul 1972 00:00:00.000000		2441676.200000
24 Dec 1972 16:48:00.000000		10.9708.000
HFG M Hurst12441537.400000
7 Aug 1972 21:36:00.000000		2441537.400000
7 Aug 1972 21:36:00.000000		8.5008.500
YOP J Young792441611.309000
20 Oct 1972 19:24:57.600000		2442044.663100
28 Dec 1973 03:54:51.840000		11.8808.200
GXD Griffin892441737.468700
23 Feb 1973 23:14:55.680000		2442402.520800
21 Dec 1974 00:29:57.120000		11.6807.720
BJB J Beesley292441905.467300
10 Aug 1973 23:12:54.720000		2442323.336800
2 Oct 1974 20:04:59.520000		11.5107.600
POA K Porter232441926.406200
31 Aug 1973 21:44:55.680000		2442317.413100
26 Sep 1974 21:54:51.840000		11.8107.660
MMI A Middlemist102441926.413100
31 Aug 1973 21:54:51.840000		2442017.322900
30 Nov 1973 19:44:58.560000		11.0507.960
TYM D Taylor42442011.495800
24 Nov 1973 23:53:57.120000		2442188.465200
20 May 1974 23:09:53.280000		10.4208.260
BPJ A Bailey22442024.500000
8 Dec 1973 00:00:00.000000		2442033.496500
16 Dec 1973 23:54:57.600000		11.20010.920
LCD Churchill122442088.352700
9 Feb 1974 20:27:53.280000		2442333.341600
12 Oct 1974 20:11:54.240000		11.5809.010
RTD A Rothery12442101.347200
22 Feb 1974 20:19:58.080000		2442101.347200
22 Feb 1974 20:19:58.080000		8.6108.610
HYP W Hornby12442308.300000
17 Sep 1974 19:12:00.000000		2442308.300000
17 Sep 1974 19:12:00.000000		10.27010.270
HUD Hufton12442368.393700
16 Nov 1974 21:26:55.680000		2442368.393700
16 Nov 1974 21:26:55.680000		7.9207.920
LUBT Lubek432448282.262000
25 Jan 1991 18:17:16.800000		2448984.236800
27 Dec 1992 17:40:59.520000		10.8007.700
WSE J W West72449066.409000
19 Mar 1993 21:48:57.600000		2449136.409000
28 May 1993 21:48:57.600000		10.8208.610
CLMM Clarke312449095.437500
17 Apr 1993 22:30:00.000000		2449690.479100
3 Dec 1994 23:29:54.240000		11.3007.900
ARBA R Baransky322450098.400000
15 Jan 1996 21:36:00.000000		2451846.300000
28 Oct 2000 19:12:00.000000		10.9008.000
RJBR J Bouma912450247.500000
13 Jun 1996 00:00:00.000000		2451901.400000
22 Dec 2000 21:36:00.000000		11.6007.800
VPP Veleshchuk382450476.300000
27 Jan 1997 19:12:00.000000		2450746.200000
24 Oct 1997 16:48:00.000000		9.4007.700
BHGB H Granslo262450476.380000
27 Jan 1997 21:07:12.000000		2451155.620000
8 Dec 1998 02:52:48.000000		11.0008.100
TUBV Tuboly12450921.309000
17 Apr 1998 19:24:57.600000		2450921.309000
17 Apr 1998 19:24:57.600000		7.8007.800
QMT Markham2582443511.444000
2 Jan 1978 22:39:21.600000		2457546.514000
7 Jun 2016 00:20:09.600000		9.9007.600
PJCP J Charleton12452398.434000
3 May 2002 22:24:57.600000		2452398.434000
3 May 2002 22:24:57.600000		10.10010.100
AXC M Allen62453898.413900
11 Jun 2006 21:56:00.960000		2453941.388200
24 Jul 2006 21:19:00.480000		9.4007.900
GTG T Buss22433193.368100
3 Oct 1949 20:50:03.840000		2433384.604200
13 Apr 1950 02:30:02.880000		9.0008.200
TJJ Toone1212443224.382000
21 Mar 1977 21:10:04.800000		2460288.516000
10 Dec 2023 00:23:02.400000		11.0008.200
BAXJ Baxendell1382399655.500000
7 Dec 1857 00:00:00.000000		2409901.500000
26 Dec 1885 00:00:00.000000		12.0007.500
PBOP Bishop52456402.416667
19 Apr 2013 22:00:00.028800		2457131.406250
18 Apr 2015 21:45:00.000000		9.5007.600
DSCD Scanlan32455628.333000
7 Mar 2011 19:59:31.200000		2457258.396000
23 Aug 2015 21:30:14.400000		12.1006.800
BARM Barrett72457374.495000
17 Dec 2015 23:52:48.000000		2458931.500000
23 Mar 2020 00:00:00.000000		9.3008.000
TLHT L Heywood612457573.465000
3 Jul 2016 23:09:36.000000		2460074.472000
9 May 2023 23:19:40.800000		9.5008.200
AGS W Albrighton1822458085.427000
27 Nov 2017 22:14:52.800000		2460327.333000
17 Jan 2024 19:59:31.200000		12.4007.700
DMSD Matthews512457878.486110
4 May 2017 23:39:59.904000		2460410.363190
9 Apr 2024 20:42:59.616000		12.4609.300
JLM L Joslin162458228.400700
19 Apr 2018 21:37:00.480000		2458715.406600
19 Aug 2019 21:45:30.240000		11.9007.700
GPFG Fleming272458871.420760
22 Jan 2020 22:05:53.664000		2459665.355350
26 Mar 2022 20:31:42.240000		10.9397.721
RAMR A Marriott22449071.449000
24 Mar 1993 22:46:33.600000		2449077.532000
31 Mar 1993 00:46:04.800000		8.8008.800
NMCC Newman82459617.547000
7 Feb 2022 01:07:40.800000		2459679.472000
9 Apr 2022 23:19:40.800000		11.4008.400
KGYK Gurney52459657.363580
18 Mar 2022 20:43:33.312000		2459699.398260
29 Apr 2022 21:33:29.664000		11.52710.048
IWW J Worraker42460197.373000
9 Sep 2023 20:57:07.200000		2460308.325000
29 Dec 2023 19:48:00.000000		9.8008.100