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Observation Summary for Variable Star R UMI

Total observations:6,213Minimum magnitude: 11.210Maximum magnitude: 8.580
First observation:JD 2412248.500000\30 May 1892 00:00:00.000000 UTLatest observation:JD 2460587.326000\3 Oct 2024 19:49:26.400000 UT
Observation MethodNumber of Observations
Visual5,626
DSLR24
CCD32
CMOS531

Back to Basic Summary

Summary by Stars

Observer IdObserver NameNumber of ObservationsFirst Observation JD / UTLatest Observation JD / UTMinimum MagnitudeMaximum Magnitude
DF De Roy3502422780.400000
31 Mar 1921 21:36:00.000000
2428160.500000
24 Dec 1935 00:00:00.000000
10.6808.980
SAF Sargent4562422977.500000
15 Oct 1921 00:00:00.000000
2429247.500000
15 Dec 1938 00:00:00.000000
11.0408.630
LEG H Lepper612423644.400000
12 Aug 1923 21:36:00.000000
2424825.400000
5 Nov 1926 21:36:00.000000
10.6809.140
BHC F Butterworth1,1812423791.400000
6 Jan 1924 21:36:00.000000
2430077.400000
23 Mar 1941 21:36:00.000000
11.2108.620
COE H Collinson352423853.600000
9 Mar 1924 02:24:00.000000
2431555.500000
10 Apr 1945 00:00:00.000000
10.6909.260
WBH Webber1422423855.500000
11 Mar 1924 00:00:00.000000
2428397.400000
16 Aug 1936 21:36:00.000000
11.1408.880
HAG P B Hallowes1582423913.500000
8 May 1924 00:00:00.000000
2426640.300000
25 Oct 1931 19:12:00.000000
10.6808.880
LAC H Laver602424117.500000
28 Nov 1924 00:00:00.000000
2425221.500000
7 Dec 1927 00:00:00.000000
10.8309.260
LIW M Lindley902424166.400000
15 Jan 1925 21:36:00.000000
2428108.400000
1 Nov 1935 21:36:00.000000
10.4908.900
SIH Simmons352424374.500000
12 Aug 1925 00:00:00.000000
2425210.400000
25 Nov 1927 21:36:00.000000
10.6908.960
SVW H Steavenson1602424374.500000
12 Aug 1925 00:00:00.000000
2424874.500000
25 Dec 1926 00:00:00.000000
10.6009.060
WOH Whichello912424523.500000
8 Jan 1926 00:00:00.000000
2428018.500000
4 Aug 1935 00:00:00.000000
10.7409.120
KUW E Kruytbosch142424526.400000
10 Jan 1926 21:36:00.000000
2425095.400000
2 Aug 1927 21:36:00.000000
10.5909.090
HWE J How412424535.300000
19 Jan 1926 19:12:00.000000
2426658.300000
12 Nov 1931 19:12:00.000000
10.4608.900
LHA W Lane-Hall1592425399.500000
2 Jun 1928 00:00:00.000000
2427515.400000
18 Mar 1934 21:36:00.000000
10.9109.050
HSP J Harris1912426013.500000
6 Feb 1930 00:00:00.000000
2428533.500000
31 Dec 1936 00:00:00.000000
10.7908.900
FYR M Fry592426024.500000
17 Feb 1930 00:00:00.000000
2427795.500000
24 Dec 1934 00:00:00.000000
10.6809.010
AYF Addey22426069.500000
3 Apr 1930 00:00:00.000000
2427159.300000
27 Mar 1933 19:12:00.000000
9.7409.330
CBH Cobb1422426205.500000
17 Aug 1930 00:00:00.000000
2428858.500000
21 Nov 1937 00:00:00.000000
10.8608.990
PEE E Peacock102426976.500000
26 Sep 1932 00:00:00.000000
2427688.500000
8 Sep 1934 00:00:00.000000
11.1009.740
ALA F O Alexander902428906.300000
7 Jan 1938 19:12:00.000000
2431351.400000
17 Sep 1944 21:36:00.000000
10.6108.620
FAW Fawssett92428959.300000
1 Mar 1938 19:12:00.000000
2429040.500000
22 May 1938 00:00:00.000000
10.5109.890
KTN F H Knight972429075.500000
26 Jun 1938 00:00:00.000000
2432180.800000
26 Dec 1946 07:12:00.000000
10.5408.760
HLF M Holborn2732429204.500000
2 Nov 1938 00:00:00.000000
2436848.400000
6 Oct 1959 21:36:00.000000
11.0808.760
CXH W Cox1112429306.700000
12 Feb 1939 04:48:00.000000
2432183.500000
29 Dec 1946 00:00:00.000000
10.8008.730
FWJ E S Fawcett172431910.400000
30 Mar 1946 21:36:00.000000
2433953.400000
2 Nov 1951 21:36:00.000000
10.2708.900
FRJ Friends902433918.500000
29 Sep 1951 00:00:00.000000
2439439.400000
9 Nov 1966 21:36:00.000000
10.7008.760
ANR G Andrews402434116.600000
14 Apr 1952 02:24:00.000000
2436869.500000
28 Oct 1959 00:00:00.000000
10.2208.800
GRR F Griffin2322434591.600000
2 Aug 1953 02:24:00.000000
2435800.400000
22 Nov 1956 21:36:00.000000
10.7908.940
CLR D Campbell62435919.500000
22 Mar 1957 00:00:00.000000
2436040.500000
21 Jul 1957 00:00:00.000000
10.2409.330
MIR Middlefell492435989.400000
30 May 1957 21:36:00.000000
2437256.500000
18 Nov 1960 00:00:00.000000
10.6009.420
WAE Waring5432436454.400000
7 Sep 1958 21:36:00.000000
2441682.300000
30 Dec 1972 19:12:00.000000
11.0408.580
GLJ S Glasby672436554.400000
16 Dec 1958 21:36:00.000000
2436931.300000
28 Dec 1959 19:12:00.000000
10.6808.990
MNR J Munson642436601.300000
1 Feb 1959 19:12:00.000000
2438387.300000
23 Dec 1963 19:12:00.000000
10.6909.160
WEA K Welch112436823.400000
11 Sep 1959 21:36:00.000000
2436924.400000
21 Dec 1959 21:36:00.000000
9.6209.380
HTG H Hartley242436866.500000
25 Oct 1959 00:00:00.000000
2437170.400000
23 Aug 1960 21:36:00.000000
10.8609.350
FEE S Farr32436959.300000
25 Jan 1960 19:12:00.000000
2437377.400000
18 Mar 1961 21:36:00.000000
10.3009.330
FHJ I M Forsyth122437768.400000
13 Apr 1962 21:36:00.000000
2438530.400000
14 May 1964 21:36:00.000000
10.3509.120
HOA J Hollis732438821.300000
1 Mar 1965 19:12:00.000000
2441296.300000
10 Dec 1971 19:12:00.000000
9.6208.980
PRJ Pardoe32439377.500000
9 Sep 1966 00:00:00.000000
2439381.500000
13 Sep 1966 00:00:00.000000
9.6209.530
ISJ E Isles22440037.600000
30 Jun 1968 02:24:00.000000
2441102.500000
31 May 1971 00:00:00.000000
9.7909.380
RJBR J Bouma22450380.300000
23 Oct 1996 19:12:00.000000
2451824.300000
6 Oct 2000 19:12:00.000000
9.9009.800
BHGB H Granslo312450476.430000
27 Jan 1997 22:19:12.000000
2451450.580000
29 Sep 1999 01:55:12.000000
10.6009.200
ARBA R Baransky192450605.400000
5 Jun 1997 21:36:00.000000
2450849.500000
5 Feb 1998 00:00:00.000000
10.9009.200
-SKG Stefanopoulos62451784.330500
27 Aug 2000 19:55:55.200000
2456101.346500
22 Jun 2012 20:18:57.600000
10.2009.000
JMPJ De Morae Pereira652412248.500000
30 May 1892 00:00:00.000000
2413542.500000
15 Dec 1895 00:00:00.000000
10.7009.100
TJJ Toone1982445054.399000
25 Mar 1982 21:34:33.600000
2460587.326000
3 Oct 2024 19:49:26.400000
10.6009.300
QMT Markham92455715.552100
3 Jun 2011 01:15:01.440000
2457308.403000
12 Oct 2015 21:40:19.200000
9.4009.100
TYM D Taylor22456736.366000
19 Mar 2014 20:47:02.400000
2456893.392000
23 Aug 2014 21:24:28.800000
9.1009.000
JTSJ T Screech242458126.243275
7 Jan 2018 17:50:18.960000
2458425.266887
2 Nov 2018 18:24:19.036800
9.9108.932
AGS W Albrighton412458259.493000
20 May 2018 23:49:55.200000
2460365.372000
24 Feb 2024 20:55:40.800000
10.3009.300
GPFG Fleming402458819.285380
1 Dec 2019 18:50:56.832000
2459550.391450
1 Dec 2021 21:23:41.280000
9.9259.273
CWSC Watkins5232459413.502367
18 Jul 2021 00:03:24.508800
2460529.467934
6 Aug 2024 23:13:49.497600
10.1869.146