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Observation Summary for Variable Star U ORI

Total observations:	16,190		Minimum magnitude:	14.172	Maximum magnitude:	5.030
First observation:	JD 2409899.500000	\	24 Dec 1885 00:00:00.000000 UT	Latest observation:	JD 2460943.669000	\	25 Sep 2025 04:03:21.600000 UT

Observation Method	Number of Observations
Visual	15,955
CCD	94
DSLR	97
CMOS	44

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Summary by Year and Month

Year	Total	Jan	Feb	Mar	Apr	May	Jul	Aug	Sep	Oct	Nov	Dec
2025	58	13	12	17	9	1	0	2	4	0	0	0
2024	84	29	8	12	7	1	0	4	3	4	8	8
2023	76	11	15	13	12	3	0	3	4	4	5	6
2022	146	38	14	33	15	2	0	4	4	6	10	20
2021	105	7	19	18	26	4	0	2	3	4	8	14
2020	114	16	19	26	22	3	0	1	5	5	9	8
2019	111	21	24	25	10	1	0	3	4	6	7	10
2018	103	21	21	15	19	5	0	3	4	4	6	5
2017	116	19	16	25	19	1	0	2	5	8	8	13
2016	177	25	41	47	26	2	0	5	6	5	5	15
2015	181	31	38	41	38	1	0	2	7	3	8	12
2014	169	25	25	42	29	1	0	3	3	9	12	20
2013	175	25	31	32	30	3	0	5	6	10	13	20
2012	199	39	35	56	21	0	0	6	8	3	16	15
2011	204	29	27	56	35	2	0	0	8	6	14	27
2010	182	31	34	49	32	0	0	5	4	10	8	9
2009	220	52	30	51	21	3	0	4	6	8	20	25
2008	148	22	37	30	15	1	0	1	6	8	13	15
2007	133	25	16	26	20	3	0	2	5	5	13	18
2006	124	45	23	10	9	1	0	2	2	6	13	13
2005	96	24	16	15	7	0	0	2	4	3	9	16
2004	92	20	20	14	9	0	0	2	3	2	6	16
2003	121	19	23	22	12	1	0	2	5	6	13	18
2002	87	18	18	10	9	0	0	1	4	3	12	12
2001	113	23	15	11	10	0	0	0	1	8	18	27
2000	133	21	24	17	12	0	0	2	5	7	23	22
1999	121	19	14	12	7	0	0	2	5	16	20	26
1998	157	27	24	14	7	0	0	1	4	17	36	27
1997	118	16	15	15	7	0	0	3	7	22	21	12
1996	116	11	18	8	7	0	0	0	4	13	37	18
1995	158	30	19	21	12	0	0	2	8	13	34	19
1994	160	25	15	18	6	0	0	3	10	27	23	33
1993	118	22	16	21	6	0	0	4	4	11	15	19
1992	109	15	13	14	5	0	0	1	2	10	20	29
1991	88	17	10	10	10	2	0	2	5	3	15	14
1990	124	25	21	26	10	0	0	0	4	11	15	12
1989	197	44	32	36	13	1	0	1	5	8	39	18
1988	242	41	38	25	22	1	0	7	10	20	36	42
1987	269	46	29	39	25	2	0	9	15	25	42	37
1986	276	47	35	42	19	0	0	2	14	27	43	47
1985	231	39	38	43	18	0	0	4	5	19	28	37
1984	205	40	27	16	19	0	0	2	9	25	30	37
1983	200	35	36	32	18	0	0	1	8	22	20	28
1982	198	33	24	33	13	0	0	5	13	18	29	30
1981	229	35	32	23	13	1	0	4	14	35	41	31
1980	161	26	13	15	17	0	0	5	12	20	24	29
1979	161	19	17	18	6	1	0	8	27	21	24	20
1978	174	24	18	25	13	1	0	4	22	21	23	23
1977	77	13	8	7	3	0	0	1	9	8	13	15
1976	85	17	10	11	9	0	0	6	5	5	10	12
1975	135	26	8	13	8	1	1	6	16	16	24	16
1974	164	21	25	11	7	0	1	16	21	11	26	25
1973	232	22	34	36	19	4	1	7	20	23	38	28
1972	133	13	24	32	10	0	0	2	4	17	19	12
1971	161	19	27	15	20	2	0	9	7	26	18	18
1970	143	14	18	21	12	1	0	3	8	17	26	23
1969	158	20	20	19	23	0	0	4	11	22	24	15
1968	207	26	35	33	24	1	0	7	25	18	20	18
1967	173	17	17	31	8	2	0	1	6	21	34	36
1966	53	1	4	10	7	0	0	2	5	4	6	14
1965	88	9	5	13	11	0	0	1	4	13	17	15
1964	105	5	11	11	12	0	0	3	9	22	17	15
1963	42	4	5	7	9	0	0	0	2	1	7	7
1962	33	6	2	6	6	1	0	1	0	1	5	5
1961	58	6	8	13	10	6	0	0	3	3	3	6
1960	47	5	10	9	13	1	0	1	0	3	1	4
1959	66	8	6	12	14	5	0	1	5	5	6	4
1958	37	4	2	10	13	0	0	0	0	4	1	3
1957	43	4	5	13	7	0	0	0	1	2	5	6
1956	67	13	6	16	15	3	0	0	1	6	4	3
1955	78	7	7	14	16	2	0	4	3	8	8	9
1954	64	1	8	13	22	6	0	0	1	8	1	4
1953	47	2	6	13	9	4	0	0	2	5	4	2
1952	72	12	17	10	13	0	0	2	5	4	5	4
1951	68	7	10	12	12	2	0	2	3	7	6	7
1950	60	10	14	13	6	3	0	3	0	0	2	9
1949	38	6	7	4	6	4	0	1	2	4	3	1
1948	99	20	7	30	17	3	0	1	2	3	6	10
1947	33	6	1	7	8	2	0	1	0	2	2	4
1946	128	9	16	17	25	0	0	3	5	6	13	34
1945	82	6	15	21	15	1	0	0	3	3	7	11
1944	77	12	15	17	7	1	0	0	0	2	7	16
1943	62	7	12	12	9	3	0	2	2	1	7	7
1942	24	6	2	3	3	0	0	0	0	0	4	6
1941	49	18	10	9	4	0	0	0	0	0	1	7
1940	149	28	17	31	24	4	0	6	5	8	13	13
1939	156	30	31	24	16	2	0	7	7	10	11	18
1938	258	29	37	44	40	4	3	5	12	17	31	36
1937	182	31	35	27	13	0	0	5	7	11	25	28
1936	162	24	23	21	12	1	0	7	9	15	20	30
1935	150	24	24	22	14	2	3	6	7	10	17	21
1934	216	36	32	36	17	3	3	7	11	20	17	34
1933	214	36	30	42	26	2	1	12	10	15	16	24
1932	254	40	43	43	23	0	0	9	13	26	20	37
1931	286	36	42	37	23	3	0	7	17	36	43	42
1930	231	35	20	23	21	1	1	9	9	28	46	38
1929	248	26	25	39	21	2	0	10	24	25	34	42
1928	211	39	30	20	9	0	0	6	19	25	29	34
1927	170	32	16	26	7	0	2	10	10	24	24	19
1926	196	27	17	22	8	2	3	7	17	23	33	37
1925	156	17	18	13	11	2	4	11	11	19	25	25
1924	199	22	17	30	17	5	4	9	14	24	26	31
1923	140	14	12	7	9	4	2	9	13	19	24	27
1922	106	6	12	18	7	0	3	8	6	12	20	14
1921	111	4	15	26	15	4	3	4	8	11	14	7
1920	103	13	15	19	5	5	3	4	9	9	12	9
1919	107	11	8	16	11	4	5	7	7	11	10	17
1918	136	17	14	26	14	2	3	9	11	11	16	13
1917	115	7	11	13	13	8	3	7	17	14	10	12
1916	93	9	8	12	11	7	3	5	5	10	14	9
1915	108	9	8	13	22	7	4	5	11	8	13	8
1914	141	10	16	20	29	15	3	4	8	6	17	13
1913	97	9	8	15	15	8	0	4	6	9	8	15
1912	57	4	2	9	6	3	0	4	7	5	7	10
1911	44	6	4	4	6	3	0	2	2	4	5	8
1910	46	3	7	11	8	3	1	0	3	1	6	3
1909	102	6	13	10	24	8	2	5	7	8	12	7
1908	76	5	13	12	8	7	4	6	4	8	5	4
1907	96	14	10	25	15	6	1	3	7	7	6	2
1906	85	12	9	14	11	7	0	5	5	6	9	7
1905	48	7	5	6	4	6	0	1	1	8	6	4
1904	24	5	5	3	6	2	0	0	1	0	1	1
1903	41	3	6	6	11	10	0	0	1	1	2	1
1902	66	3	4	12	22	16	0	0	1	2	2	4
1901	52	4	3	16	22	3	0	0	0	1	1	2
1900	69	3	7	28	28	2	0	0	1	0	0	0
1899	18	1	1	14	2	0	0	0	0	0	0	0
1895	11	4	1	4	1	0	0	0	0	0	0	1
1894	21	0	4	6	5	0	0	0	0	1	4	1
1893	2	0	1	0	0	0	0	0	1	0	0	0
1891	31	9	6	11	1	0	0	0	0	0	0	4
1887	14	7	4	0	0	0	0	0	0	0	0	3
1886	23	3	3	3	0	0	0	0	0	0	5	9
1885	2	0	0	0	0	0	0	0	0	0	0	2