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Observation Summary for Variable Star R UMA

Total observations:	11,723		Minimum magnitude:	14.070	Maximum magnitude:	6.120
First observation:	JD 2399423.500000	\	19 Apr 1857 00:00:00.000000 UT	Latest observation:	JD 2460978.326000	\	29 Oct 2025 19:49:26.400000 UT

Observation Method	Number of Observations
Visual	11,553
CCD	81
DSLR	73
CMOS	16

Back to Basic Summary

Summary by Year and Month

Year	Total	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2025	60	5	10	12	7	4	1	3	6	8	4	0	0
2024	57	6	9	7	8	1	2	1	5	5	5	4	4
2023	63	4	5	6	12	13	2	1	3	5	2	5	5
2022	62	7	4	10	4	8	9	4	2	3	4	4	3
2021	49	2	6	2	3	4	2	7	5	7	2	5	4
2020	72	10	6	6	3	8	0	2	2	11	7	10	7
2019	64	8	11	12	3	4	1	1	5	5	4	5	5
2018	94	5	8	14	19	14	9	2	4	5	5	4	5
2017	43	1	0	2	3	6	6	7	5	1	3	4	5
2016	26	2	1	1	0	1	0	2	6	4	5	2	2
2015	46	11	8	1	1	1	0	2	3	3	5	5	6
2014	39	0	10	10	7	3	0	1	1	0	0	0	7
2013	19	1	0	0	6	4	3	1	1	1	1	0	1
2012	12	1	1	1	0	1	1	2	2	1	1	0	1
2011	32	2	0	1	1	1	2	8	0	5	8	3	1
2010	44	5	5	5	13	1	1	0	1	1	4	3	5
2009	29	1	0	5	8	10	1	0	1	0	1	1	1
2008	26	2	1	1	0	7	10	1	1	1	1	1	0
2007	16	1	0	0	0	0	0	0	1	8	5	0	1
2006	15	5	1	0	0	0	0	0	0	1	3	4	1
2005	23	1	2	3	9	1	0	0	0	0	0	2	5
2004	17	0	0	2	5	7	3	0	0	0	0	0	0
2003	14	0	0	0	0	3	6	2	3	0	0	0	0
2002	13	1	0	0	0	0	0	1	3	5	3	0	0
2001	40	9	3	0	1	0	0	0	0	1	9	8	9
2000	50	2	10	3	4	4	2	0	3	3	3	5	11
1999	72	4	5	7	19	12	10	2	3	2	1	2	5
1998	53	0	1	2	5	5	9	13	5	5	3	2	3
1997	148	4	0	4	1	3	3	9	49	41	28	5	1
1996	81	4	9	2	0	1	3	4	4	5	16	24	9
1995	54	7	10	19	6	3	1	1	2	0	1	1	3
1994	66	1	1	1	11	17	22	6	1	1	1	0	4
1993	39	0	0	2	3	4	2	10	15	2	0	0	1
1992	12	3	1	0	0	1	0	0	0	1	3	2	1
1991	27	4	2	6	1	1	1	0	1	2	1	2	6
1990	16	1	1	5	3	2	1	1	0	0	1	0	1
1989	20	2	1	2	1	2	3	3	3	1	1	0	1
1988	22	2	3	1	3	2	3	2	1	1	1	1	2
1987	40	5	4	5	3	4	2	1	3	2	7	3	1
1986	44	4	4	6	2	3	3	4	1	2	4	3	8
1985	35	4	3	4	7	7	3	1	0	2	2	1	1
1984	40	2	1	2	5	3	4	9	4	4	3	1	2
1983	47	5	3	2	5	2	4	4	7	5	4	3	3
1982	42	4	5	3	4	5	2	4	4	1	3	3	4
1981	21	0	0	1	3	4	2	1	3	0	2	2	3
1980	2	0	0	0	0	2	0	0	0	0	0	0	0
1979	12	0	0	0	0	0	0	4	4	4	0	0	0
1978	17	11	5	1	0	0	0	0	0	0	0	0	0
1977	14	0	0	0	0	0	0	0	0	0	0	4	10
1974	179	21	12	11	14	9	11	24	19	25	13	13	7
1973	266	17	22	23	17	18	22	8	16	20	37	35	31
1972	105	8	5	11	9	6	8	7	8	6	7	18	12
1971	82	0	6	5	10	12	5	10	7	10	7	6	4
1970	71	3	7	6	4	4	7	8	7	8	7	6	4
1969	78	4	5	7	14	3	5	7	7	4	10	6	6
1968	30	3	6	7	4	0	0	1	1	1	2	4	1
1967	31	1	5	8	2	8	2	1	1	0	2	0	1
1966	30	1	0	3	4	5	2	4	4	5	1	1	0
1965	24	4	1	3	2	0	1	1	6	2	2	1	1
1964	30	1	4	1	2	1	0	2	3	5	6	5	0
1963	41	0	2	8	4	6	1	3	1	3	4	5	4
1962	36	2	2	3	4	3	6	3	4	3	1	1	4
1961	49	3	1	6	2	9	5	6	4	4	3	3	3
1960	51	3	5	3	4	2	3	5	10	6	5	3	2
1959	68	5	8	6	5	10	1	4	4	10	4	8	3
1958	45	3	5	7	5	6	3	1	2	3	3	4	3
1957	43	3	3	4	5	5	7	3	4	2	2	3	2
1956	61	7	1	6	7	11	1	2	9	5	8	2	2
1955	88	10	8	5	5	1	3	7	8	14	14	9	4
1954	110	15	10	8	13	4	2	2	3	19	14	15	5
1953	57	5	4	11	3	5	3	2	4	4	7	3	6
1952	59	1	3	8	8	7	6	7	4	5	3	3	4
1951	41	3	1	2	2	2	2	9	7	6	5	0	2
1950	51	2	8	7	2	4	4	2	6	4	7	3	2
1948	63	6	4	18	8	8	2	4	4	2	4	2	1
1947	1	1	0	0	0	0	0	0	0	0	0	0	0
1946	221	10	18	14	18	23	20	27	29	17	16	17	12
1945	150	5	11	15	9	9	8	11	19	17	28	6	12
1944	55	2	6	9	3	1	0	0	2	10	2	7	13
1943	51	5	9	10	6	4	3	3	1	0	1	4	5
1942	27	4	3	4	0	3	2	1	3	3	0	2	2
1941	30	5	6	2	0	2	1	1	2	4	2	2	3
1940	138	16	10	17	15	12	7	9	10	12	10	8	12
1939	196	19	31	25	31	17	9	6	11	9	12	16	10
1938	396	25	32	57	52	46	30	22	20	17	20	35	40
1937	190	15	20	21	15	20	16	11	17	18	15	13	9
1936	165	7	12	13	17	18	19	7	16	13	15	12	16
1935	143	11	14	13	11	13	7	16	13	13	11	9	12
1934	283	36	32	29	15	23	10	20	30	27	22	19	20
1933	303	24	22	36	31	21	17	29	28	20	25	21	29
1932	248	15	20	30	27	22	25	22	24	17	18	14	14
1931	257	24	21	21	16	23	21	15	20	24	29	26	17
1930	203	29	23	21	12	11	7	7	15	17	18	22	21
1929	290	25	22	39	24	20	8	16	14	28	23	34	37
1928	246	24	29	29	16	19	12	18	14	22	16	20	27
1927	226	22	19	19	22	27	23	18	21	15	16	10	14
1926	220	21	13	19	17	17	14	19	19	19	19	18	25
1925	232	18	20	25	17	18	20	15	17	24	22	19	17
1924	262	22	29	31	22	27	19	24	15	12	14	22	25
1923	201	12	9	12	30	26	14	18	19	25	12	12	12
1922	200	13	17	16	8	21	16	19	32	21	18	12	7
1921	233	23	26	20	17	11	11	20	28	30	19	17	11
1920	313	31	41	46	24	28	17	10	10	16	37	33	20
1919	197	12	15	21	15	33	26	10	14	8	10	10	23
1918	159	11	11	9	17	24	16	14	12	15	10	11	9
1917	169	11	10	10	12	15	15	21	14	23	15	11	12
1916	169	21	12	6	15	8	6	10	13	25	24	17	12
1915	181	24	17	15	18	21	10	10	8	13	12	17	16
1914	168	7	12	16	25	20	19	25	10	9	3	8	14
1913	153	11	4	11	6	29	29	14	14	13	8	6	8
1912	128	7	9	8	5	3	4	6	13	23	22	12	16
1911	84	8	4	8	9	6	3	6	3	2	12	9	14
1910	84	5	9	11	8	10	7	8	8	3	3	4	8
1909	152	7	8	9	17	35	11	23	12	7	8	8	7
1908	137	16	10	7	5	5	14	21	16	7	19	9	8
1907	183	23	20	28	13	10	9	7	4	21	20	19	9
1906	75	4	5	6	1	4	6	4	5	4	4	12	20
1905	19	3	1	1	1	8	2	1	1	0	0	0	1
1904	35	2	1	2	1	2	6	6	10	2	3	0	0
1903	34	3	5	4	3	2	0	1	2	5	5	3	1
1902	55	9	4	2	6	5	1	1	2	3	7	8	7
1901	81	0	7	17	10	17	7	5	8	2	2	2	4
1900	29	0	0	0	10	12	3	1	3	0	0	0	0
1899	13	0	0	0	0	0	0	3	5	4	1	0	0
1895	10	4	1	0	0	0	2	0	1	0	0	0	2
1894	14	3	2	0	0	1	1	1	3	0	2	0	1
1893	29	2	3	0	0	3	1	1	5	5	3	3	3
1892	10	3	4	2	0	0	0	1	0	0	0	0	0
1891	5	0	0	1	0	4	0	0	0	0	0	0	0
1886	2	1	0	0	1	0	0	0	0	0	0	0	0
1885	14	3	1	0	1	0	2	4	2	1	0	0	0
1884	33	0	0	0	0	1	0	2	5	8	5	8	4
1879	2	0	0	0	0	0	0	0	1	1	0	0	0
1867	2	0	0	1	0	1	0	0	0	0	0	0	0
1865	2	0	0	0	0	0	1	0	0	0	0	1	0
1864	1	1	0	0	0	0	0	0	0	0	0	0	0
1863	2	0	0	0	1	0	0	0	0	0	0	0	1
1862	6	0	0	1	2	1	0	1	0	1	0	0	0
1861	8	0	0	0	0	3	2	1	1	1	0	0	0
1859	7	4	3	0	0	0	0	0	0	0	0	0	0
1858	20	0	5	6	6	0	0	1	0	0	0	1	1
1857	33	0	0	0	6	10	12	5	0	0	0	0	0