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Observation Summary for Variable Star R SER

Total observations:	12,349		Minimum magnitude:	14.200	Maximum magnitude:	5.400
First observation:	JD 2399520.500000	\	25 Jul 1857 00:00:00.000000 UT	Latest observation:	JD 2460960.287500	\	11 Oct 2025 18:54:00.000000 UT

Observation Method	Number of Observations
Visual	12,323
CCD	12
DSLR	14

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Summary by Year and Month

Year	Total	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2025	55	6	2	6	8	10	8	7	3	4	1	0	0
2024	44	2	3	3	6	4	6	6	4	5	4	1	0
2023	62	4	4	5	7	12	13	5	4	2	3	2	1
2022	59	3	2	4	13	10	6	6	4	4	5	1	1
2021	61	1	2	3	14	12	8	9	5	3	3	1	0
2020	82	3	3	6	8	23	16	9	6	3	2	0	3
2019	61	3	3	4	6	12	10	8	7	4	3	0	1
2018	95	3	3	3	3	16	22	18	17	3	3	2	2
2017	59	3	3	3	2	7	9	9	10	7	1	3	2
2016	54	1	2	3	3	4	5	10	12	6	3	2	3
2015	64	3	3	2	3	4	6	16	13	9	2	1	2
2014	71	2	2	2	4	8	4	14	10	12	7	3	3
2013	71	3	2	2	3	6	4	7	19	11	8	3	3
2012	60	3	3	3	2	3	4	7	11	12	6	3	3
2011	52	3	3	3	5	6	4	3	6	11	4	2	2
2010	49	5	3	4	5	5	3	2	6	6	6	2	2
2009	82	6	4	5	9	13	6	6	12	8	5	4	4
2008	58	3	3	3	3	4	9	5	5	8	10	2	3
2007	58	3	2	2	3	6	5	8	8	7	6	3	5
2006	45	4	2	3	4	5	3	3	4	5	3	4	5
2005	51	3	3	1	3	7	6	3	7	8	3	1	6
2004	46	5	3	3	3	6	4	3	7	6	2	1	3
2003	68	7	6	7	7	7	3	5	5	7	3	3	8
2002	51	5	5	2	7	6	4	4	4	5	3	1	5
2001	69	8	6	5	8	9	8	6	7	1	5	2	4
2000	92	9	8	12	10	12	9	6	11	5	4	4	2
1999	117	8	13	12	32	14	11	9	5	5	6	0	2
1998	83	8	9	9	15	11	6	9	8	4	1	1	2
1997	107	4	14	27	19	13	6	8	6	4	4	0	2
1996	85	2	10	3	16	14	12	12	10	4	0	0	2
1995	116	7	7	23	25	20	10	9	8	5	0	1	1
1994	103	3	4	17	20	9	14	11	12	6	3	0	4
1993	84	3	6	8	9	18	16	9	11	2	0	0	2
1992	86	2	3	5	8	18	11	15	17	6	1	0	0
1991	69	3	3	3	11	10	13	7	13	5	1	0	0
1990	81	2	1	4	17	16	10	15	8	6	1	0	1
1989	105	3	2	5	10	26	17	14	16	9	3	0	0
1988	162	3	4	5	14	29	22	30	22	23	9	0	1
1987	193	8	5	8	23	28	27	27	31	21	11	1	3
1986	168	7	8	13	18	27	22	27	10	18	10	3	5
1985	124	4	4	7	10	18	14	25	17	11	8	3	3
1984	162	1	2	4	18	22	25	40	23	13	8	3	3
1983	135	3	3	3	8	19	20	28	26	16	9	0	0
1982	162	3	1	5	10	28	20	32	28	24	7	3	1
1981	164	2	1	2	2	15	23	32	48	22	14	1	2
1980	82	0	0	0	7	13	2	18	17	12	9	0	4
1979	91	1	4	5	6	9	6	18	16	25	1	0	0
1978	100	1	0	4	1	7	7	11	23	27	12	4	3
1977	82	0	1	1	2	11	7	18	15	15	11	0	1
1976	110	4	4	3	7	8	13	22	25	14	7	3	0
1975	231	10	3	6	7	17	23	24	42	52	34	9	4
1974	268	7	14	9	14	16	22	34	57	44	23	22	6
1973	180	0	7	15	11	7	16	13	21	32	28	22	8
1972	23	1	0	2	2	5	1	1	6	1	0	4	0
1971	38	0	1	3	10	12	5	4	0	1	2	0	0
1970	16	0	0	1	1	2	2	5	2	2	1	0	0
1969	38	0	0	0	3	5	6	9	5	3	2	5	0
1968	87	4	2	14	9	17	10	8	16	7	0	0	0
1967	12	0	1	2	1	2	3	2	1	0	0	0	0
1966	18	0	1	2	3	4	1	3	3	1	0	0	0
1965	30	2	1	2	2	5	7	5	5	1	0	0	0
1964	20	0	0	0	1	5	4	3	6	1	0	0	0
1963	30	0	1	7	4	6	3	4	2	3	0	0	0
1962	44	0	2	3	8	8	14	4	4	1	0	0	0
1961	63	0	1	7	9	18	7	5	9	6	1	0	0
1960	85	0	3	5	13	16	9	8	10	8	4	3	6
1959	70	0	0	10	18	14	13	8	4	2	1	0	0
1958	22	0	0	3	10	5	2	0	1	0	1	0	0
1957	38	0	2	7	8	10	7	1	2	0	0	0	1
1956	27	1	0	1	4	9	1	5	4	1	1	0	0
1955	72	0	2	7	9	14	11	9	6	5	8	0	1
1954	67	0	0	2	19	7	7	5	10	16	1	0	0
1953	116	0	2	1	7	12	12	27	37	15	3	0	0
1952	100	1	2	4	15	20	18	17	10	7	4	1	1
1951	85	0	0	3	8	11	14	15	15	11	7	1	0
1950	37	0	2	2	3	1	4	5	11	5	4	0	0
1948	59	0	1	3	6	11	6	8	7	10	6	1	0
1947	3	1	0	0	1	0	0	1	0	0	0	0	0
1946	121	2	3	5	7	15	13	22	21	18	11	1	3
1945	98	1	0	1	8	14	12	20	25	5	11	1	0
1944	59	0	1	2	5	6	3	1	11	18	10	1	1
1943	53	1	0	0	1	3	4	10	18	12	3	1	0
1942	23	0	0	0	1	2	1	3	6	9	1	0	0
1941	31	0	0	1	1	0	1	0	6	16	6	0	0
1940	102	6	4	9	7	11	7	6	15	16	10	5	6
1939	122	9	15	8	11	7	10	12	14	10	12	8	6
1938	195	11	15	21	18	11	10	12	18	28	21	18	12
1937	181	5	5	7	12	19	11	14	28	32	25	11	12
1936	99	4	6	6	9	14	9	5	19	11	5	5	6
1935	92	7	7	7	10	7	4	10	12	6	9	7	6
1934	201	7	8	17	11	28	15	31	20	25	20	11	8
1933	223	10	10	25	24	18	11	28	35	24	15	16	7
1932	192	10	13	21	28	13	15	17	23	16	18	9	9
1931	209	10	13	24	16	20	17	16	15	17	28	25	8
1930	137	16	7	9	16	17	4	2	5	19	22	9	11
1929	167	6	6	26	15	16	11	7	8	28	21	13	10
1928	206	15	19	24	26	23	16	18	12	18	11	12	12
1927	223	15	18	20	32	27	18	18	20	21	16	9	9
1926	172	12	10	12	22	23	13	10	21	17	18	7	7
1925	197	14	21	14	24	24	27	17	16	16	6	8	10
1924	224	17	16	27	25	35	26	29	15	9	4	6	15
1923	174	6	7	13	20	26	17	22	18	20	8	8	9
1922	129	7	10	12	17	24	11	14	10	7	7	4	6
1921	141	8	9	19	25	19	19	11	8	7	7	5	4
1920	193	15	16	24	23	37	25	16	14	10	7	2	4
1919	171	9	10	19	19	32	17	15	15	15	8	8	4
1918	187	11	10	28	25	32	21	18	13	18	2	3	6
1917	151	7	11	17	20	17	18	19	14	12	6	2	8
1916	111	10	7	9	15	14	11	11	12	6	5	5	6
1915	161	1	8	19	25	28	17	25	19	7	2	3	7
1914	200	6	7	18	39	32	30	24	18	15	1	4	6
1913	145	0	2	5	11	44	24	18	11	15	6	4	5
1912	49	0	0	2	4	11	13	8	1	5	4	0	1
1911	62	1	0	4	7	11	11	13	5	6	1	2	1
1910	75	0	0	4	5	16	15	13	11	4	2	4	1
1909	93	1	2	3	12	28	11	15	13	6	1	1	0
1908	144	0	3	8	10	23	32	26	19	16	6	0	1
1907	118	0	1	10	8	19	27	22	13	10	6	2	0
1906	122	0	0	1	13	15	27	14	22	14	13	3	0
1905	30	0	0	0	1	5	4	8	4	2	6	0	0
1904	42	0	0	0	0	2	6	11	17	3	3	0	0
1903	17	0	0	2	1	2	2	3	3	3	0	1	0
1902	27	0	0	0	2	6	4	7	4	2	1	1	0
1901	35	0	0	0	0	0	0	5	20	6	4	0	0
1900	32	0	0	0	0	0	1	7	16	7	1	0	0
1899	1	0	0	0	0	0	0	1	0	0	0	0	0
1895	1	0	0	0	0	0	0	0	0	0	1	0	0
1894	1	0	0	0	0	0	0	0	0	0	1	0	0
1891	2	0	0	0	1	1	0	0	0	0	0	0	0
1881	2	0	0	0	0	2	0	0	0	0	0	0	0
1879	1	0	0	1	0	0	0	0	0	0	0	0	0
1878	5	0	0	0	0	1	3	1	0	0	0	0	0
1868	13	0	0	0	2	3	6	2	0	0	0	0	0
1867	9	0	0	0	2	4	2	1	0	0	0	0	0
1866	16	0	0	0	3	7	3	2	0	1	0	0	0
1865	18	0	0	0	1	6	5	3	2	1	0	0	0
1864	7	0	0	0	1	3	1	2	0	0	0	0	0
1863	18	0	1	1	3	4	4	3	2	0	0	0	0
1862	3	0	0	0	0	0	0	0	0	3	0	0	0
1861	10	0	0	0	1	4	2	1	1	1	0	0	0
1859	4	0	0	0	0	0	2	2	0	0	0	0	0
1858	12	0	0	0	0	0	1	5	5	1	0	0	0
1857	21	0	0	0	0	0	0	2	7	8	3	1	0