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Observation Summary for Variable Star S UMA

Total observations:	16,223		Minimum magnitude:	13.000	Maximum magnitude:	6.740
First observation:	JD 2399655.500000	\	7 Dec 1857 00:00:00.000000 UT	Latest observation:	JD 2460978.476000	\	29 Oct 2025 23:25:26.400000 UT

Observation Method	Number of Observations
Visual	16,120
Photographic	15
DSLR	56
CCD	27
CMOS	5

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Summary by Year and Month

Year	Total	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2025	42	6	9	8	6	0	0	0	6	3	4	0	0
2024	29	3	2	2	1	2	5	4	4	2	2	2	0
2023	42	3	5	6	7	3	0	0	0	7	2	6	3
2022	46	6	8	10	7	0	0	3	3	2	4	1	2
2021	49	0	5	5	8	10	7	3	1	2	0	4	4
2020	83	9	8	14	12	13	2	1	4	7	6	3	4
2019	59	8	10	6	2	6	5	6	5	4	3	2	2
2018	73	3	6	8	8	14	4	5	3	2	7	7	6
2017	22	4	1	0	0	3	1	3	2	2	0	2	4
2016	17	0	0	0	3	5	2	3	0	0	0	1	3
2015	33	3	4	8	7	0	0	1	1	3	2	1	3
2014	25	4	0	0	0	4	3	5	6	0	0	0	3
2013	29	0	0	4	8	3	1	0	0	0	4	4	5
2012	13	4	2	0	0	0	0	2	3	1	1	0	0
2011	16	0	0	1	6	3	4	0	0	0	0	1	1
2010	20	3	3	3	1	0	0	0	0	2	4	3	1
2009	11	0	0	0	0	1	4	3	2	0	0	0	1
2008	23	0	0	5	5	4	0	0	0	0	2	2	5
2007	5	2	0	1	0	0	0	0	0	1	1	0	0
2006	18	0	0	0	2	3	5	4	0	0	0	2	2
2005	11	1	1	1	0	0	0	0	0	3	2	3	0
2004	5	1	0	0	0	0	1	2	1	0	0	0	0
2003	12	0	1	3	1	0	0	0	0	0	2	2	3
2002	1	0	0	0	0	1	0	0	0	0	0	0	0
2000	41	1	4	0	2	4	3	0	8	11	5	1	2
1999	38	3	4	2	4	3	3	4	5	3	3	2	2
1998	32	1	1	3	3	6	3	2	1	3	2	2	5
1997	77	4	8	11	3	0	1	2	9	15	17	5	2
1996	13	2	0	0	0	0	1	2	2	2	3	1	0
1995	3	0	0	1	1	1	0	0	0	0	0	0	0
1994	29	3	4	4	0	0	0	4	6	5	2	0	1
1993	23	0	0	4	4	6	2	4	0	0	0	0	3
1992	22	1	2	1	4	1	0	0	1	1	5	4	2
1991	29	3	1	1	2	1	0	2	3	4	0	7	5
1987	5	0	0	2	2	0	0	0	0	0	1	0	0
1986	4	2	0	0	0	0	0	0	0	2	0	0	0
1985	2	0	0	0	0	0	0	0	0	0	0	0	2
1984	8	1	0	1	1	0	0	0	1	2	2	0	0
1983	13	3	1	0	0	0	1	3	2	3	0	0	0
1982	20	0	0	2	5	5	2	4	0	0	0	0	2
1981	18	0	2	1	2	0	0	0	3	3	3	4	0
1980	4	1	0	0	0	0	0	3	0	0	0	0	0
1979	10	0	0	1	2	0	0	0	0	0	0	4	3
1978	13	5	0	1	0	0	0	0	4	3	0	0	0
1977	1	0	0	1	0	0	0	0	0	0	0	0	0
1974	211	21	20	11	19	13	14	26	22	24	14	17	10
1973	301	9	22	36	21	18	30	13	35	35	32	31	19
1972	135	9	10	21	12	12	6	9	17	6	8	16	9
1971	181	4	13	18	23	16	10	19	13	23	21	13	8
1970	132	6	16	11	5	8	15	14	22	17	9	7	2
1969	180	4	4	9	22	10	39	21	13	8	23	18	9
1968	215	9	12	34	22	17	16	23	34	27	14	5	2
1967	185	11	16	25	16	16	13	20	18	13	10	10	17
1966	154	4	9	21	11	24	13	11	5	17	11	9	19
1965	210	26	13	17	13	15	25	15	28	16	16	15	11
1964	163	6	7	8	15	13	17	14	15	14	19	16	19
1963	179	5	7	17	11	20	10	21	21	18	15	18	16
1962	124	10	7	6	6	9	18	15	15	15	7	5	11
1961	133	4	4	12	6	20	16	10	15	8	14	9	15
1960	84	4	7	7	11	3	9	13	9	8	7	4	2
1959	96	8	10	9	6	11	9	10	8	12	7	4	2
1958	88	10	8	11	9	12	6	7	6	6	4	4	5
1957	65	4	3	6	6	7	6	3	8	6	4	5	7
1956	98	10	2	12	15	15	5	6	6	4	12	9	2
1955	152	12	16	11	18	7	3	12	14	21	18	12	8
1954	124	16	9	11	17	9	9	2	11	19	13	5	3
1953	155	5	8	11	18	16	9	10	18	12	21	19	8
1952	122	6	5	7	10	8	11	20	16	15	13	7	4
1951	77	7	5	3	3	4	5	8	9	8	11	7	7
1950	55	3	9	7	6	3	2	2	4	2	8	6	3
1949	1	0	0	0	0	0	0	0	0	0	1	0	0
1948	94	5	6	15	10	14	5	4	6	10	10	5	4
1947	2	2	0	0	0	0	0	0	0	0	0	0	0
1946	261	7	18	19	25	21	22	26	31	29	15	16	32
1945	164	5	12	18	16	9	9	12	17	17	34	3	12
1944	67	2	6	9	2	1	0	1	13	20	8	1	4
1943	79	2	5	7	7	10	8	10	10	8	5	4	3
1942	68	9	4	5	7	1	5	5	10	12	4	6	0
1941	47	7	14	10	2	1	1	1	4	5	1	0	1
1940	245	17	14	39	39	40	23	14	12	16	14	8	9
1939	338	15	38	29	42	34	27	35	43	25	21	14	15
1937	410	34	51	43	23	31	21	24	45	44	41	32	21
1936	258	23	17	17	23	18	19	21	27	28	32	13	20
1935	359	24	40	42	33	26	20	33	30	31	25	31	24
1934	528	49	49	62	34	40	23	47	55	69	40	26	34
1933	521	29	35	61	62	36	46	54	56	49	28	37	28
1932	505	42	46	68	47	31	34	32	48	45	47	28	37
1931	473	41	47	47	32	46	28	29	43	37	58	35	30
1930	420	37	38	35	33	29	35	16	23	34	48	52	40
1929	489	28	33	52	32	44	28	41	44	70	38	43	36
1928	566	49	48	50	50	44	43	53	42	58	46	38	45
1927	465	43	35	53	49	39	37	23	44	38	43	34	27
1926	497	41	31	51	41	32	39	44	45	62	43	31	37
1925	443	19	34	38	32	38	46	31	32	46	38	44	45
1924	433	42	40	63	37	34	30	42	28	33	30	26	28
1923	339	29	16	23	39	35	20	39	31	38	15	25	29
1922	253	16	23	24	15	26	6	10	20	24	34	31	24
1921	256	22	28	31	21	16	19	23	21	29	20	12	14
1920	244	18	25	34	16	20	18	19	17	18	28	19	12
1919	182	13	6	13	9	16	9	15	25	26	23	15	12
1918	154	13	7	14	9	19	17	16	13	15	7	13	11
1917	140	6	12	14	13	11	12	12	8	18	13	10	11
1916	137	14	12	9	11	7	10	11	16	11	19	12	5
1915	112	10	5	7	8	14	8	18	7	8	5	8	14
1914	157	13	18	17	16	17	14	13	11	12	6	10	10
1913	161	12	15	11	7	19	28	11	11	18	10	10	9
1912	135	5	6	16	13	11	16	14	6	7	13	12	16
1911	97	11	7	13	8	9	5	9	7	5	9	6	8
1910	123	9	13	14	7	11	11	11	18	8	4	8	9
1909	200	13	19	17	26	26	16	15	11	10	13	18	16
1908	192	18	27	22	16	16	18	16	15	7	15	12	10
1907	215	19	16	30	17	21	27	23	15	18	10	10	9
1906	190	6	5	22	26	13	19	19	16	15	14	19	16
1905	44	4	5	6	0	5	5	2	6	3	2	3	3
1904	42	4	1	3	3	2	6	6	9	1	2	2	3
1903	35	3	6	5	3	2	1	1	1	4	5	3	1
1902	53	7	4	1	6	6	5	4	4	3	5	4	4
1901	74	0	1	11	10	12	7	9	10	4	5	2	3
1900	32	2	4	9	7	0	0	0	4	3	2	1	0
1899	9	0	0	0	0	0	0	1	5	3	0	0	0
1895	9	1	1	2	0	0	1	1	1	0	0	2	0
1894	16	3	4	1	2	0	1	1	3	0	0	0	1
1893	41	2	6	3	1	5	4	3	5	4	3	2	3
1892	2	0	0	0	0	0	0	2	0	0	0	0	0
1885	17	2	2	1	1	1	1	2	2	2	1	1	1
1884	28	0	0	0	0	1	0	0	4	7	4	8	4
1879	6	0	0	0	0	0	0	0	0	2	1	2	1
1867	2	1	0	1	0	0	0	0	0	0	0	0	0
1866	3	0	0	0	0	0	1	0	1	0	0	0	1
1865	1	0	0	0	0	0	0	0	0	0	0	1	0
1864	5	2	1	1	0	0	0	1	0	0	0	0	0
1863	4	0	0	0	1	0	0	0	0	0	0	1	2
1862	6	0	0	1	2	1	0	1	0	1	0	0	0
1861	24	3	4	4	3	3	2	0	1	1	2	1	0
1859	5	1	2	1	0	1	0	0	0	0	0	0	0
1858	35	0	3	5	4	1	10	6	4	2	0	0	0
1857	2	0	0	0	0	0	0	0	0	0	0	0	2