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Observation Summary for Variable Star S CAS

Total observations:	9,375		Minimum magnitude:	16.428	Maximum magnitude:	5.697
First observation:	JD 2412506.500000	\	12 Feb 1893 00:00:00.000000 UT	Latest observation:	JD 2460950.327320	\	1 Oct 2025 19:51:20.448000 UT

Observation Method	Number of Observations
Visual	9,201
CCD	74
CMOS	100

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Summary by Year and Month

Year	Total	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2025	72	17	19	0	0	0	4	3	6	3	20	0	0
2024	87	12	6	6	2	4	6	4	6	6	6	22	7
2023	49	10	5	1	2	1	4	1	5	4	3	7	6
2022	103	10	10	14	9	6	10	5	9	5	7	7	11
2021	72	9	13	9	10	7	4	4	3	5	5	1	2
2020	95	8	7	8	4	5	4	12	4	12	6	13	12
2019	81	8	12	8	5	3	6	5	9	8	7	5	5
2018	72	9	8	3	4	3	2	4	5	10	11	8	5
2017	70	5	3	5	3	7	7	5	5	5	9	7	9
2016	70	8	10	9	7	2	4	4	8	5	5	4	4
2015	67	3	5	2	6	2	5	5	7	10	7	6	9
2014	72	6	5	6	6	6	2	7	6	7	5	8	8
2013	57	5	4	4	5	1	1	3	5	5	11	6	7
2012	81	5	7	10	6	7	4	6	10	7	5	7	7
2011	63	8	7	6	7	7	4	8	3	4	3	2	4
2010	89	11	4	7	8	2	5	8	13	10	10	6	5
2009	124	12	9	18	13	9	8	7	9	10	8	6	15
2008	53	6	5	3	1	0	0	2	0	8	14	6	8
2007	61	4	4	4	3	7	3	5	5	6	7	7	6
2006	31	5	6	1	6	1	0	1	2	1	3	3	2
2005	36	4	3	0	1	1	0	0	7	5	5	5	5
2004	45	4	5	4	5	5	3	3	6	5	2	2	1
2003	43	7	6	2	1	1	1	1	4	4	5	5	6
2002	46	1	5	2	6	2	5	3	5	4	7	4	2
2001	30	5	4	3	4	2	1	2	2	0	2	3	2
2000	48	6	8	4	1	0	0	1	5	7	7	5	4
1999	80	10	10	7	7	3	3	7	7	6	9	5	6
1998	46	4	8	4	1	1	0	1	3	2	5	10	7
1997	49	1	5	1	3	6	1	7	5	6	6	5	3
1996	24	3	6	1	2	0	0	2	2	3	1	3	1
1995	34	3	2	3	0	0	1	3	5	5	5	5	2
1994	53	10	5	7	5	4	3	2	2	3	5	2	5
1993	28	1	0	1	0	0	0	1	5	4	5	5	6
1992	47	3	4	1	3	2	5	4	9	4	7	2	3
1991	37	7	6	4	2	1	0	0	5	3	3	1	5
1990	72	8	9	5	6	4	0	5	7	6	8	5	9
1989	120	22	18	18	12	6	4	6	8	10	6	7	3
1988	132	13	11	11	8	8	4	9	11	14	12	16	15
1987	164	16	11	14	17	13	8	12	19	16	15	12	11
1986	140	9	10	10	8	5	11	10	9	18	21	14	15
1985	136	10	11	12	10	8	7	10	7	15	20	14	12
1984	146	17	16	7	15	9	9	13	10	11	12	12	15
1983	155	21	14	18	12	7	5	10	12	10	16	14	16
1982	183	13	17	28	8	7	6	8	18	28	15	19	16
1981	150	24	22	7	9	12	9	9	11	16	14	10	7
1980	163	6	12	10	17	14	2	1	23	19	24	22	13
1979	84	5	12	10	4	5	3	3	8	9	9	11	5
1978	99	15	9	8	2	5	2	3	8	9	11	18	9
1977	79	5	4	4	8	7	3	5	7	13	12	3	8
1976	94	11	5	10	8	4	6	13	10	5	4	10	8
1975	193	19	7	16	8	12	17	13	23	28	23	14	13
1974	168	16	20	10	15	14	9	10	10	22	15	14	13
1973	182	10	9	18	10	6	13	7	20	18	21	28	22
1972	139	12	9	21	11	11	8	5	21	11	18	8	4
1971	106	3	6	5	6	2	3	12	15	17	15	12	10
1970	155	3	6	8	7	12	21	21	19	22	14	13	9
1969	77	6	6	5	5	0	10	7	5	6	14	9	4
1968	119	2	4	10	9	10	11	10	17	22	10	9	5
1967	136	11	19	21	9	10	12	14	14	5	8	6	7
1966	65	1	4	5	4	8	3	5	7	8	5	5	10
1965	27	2	2	1	1	1	2	2	1	2	6	5	2
1964	25	2	1	1	0	3	1	1	5	6	1	4	0
1963	26	0	2	2	2	1	0	2	2	2	2	6	5
1962	29	4	5	4	1	0	3	1	2	4	1	1	3
1961	25	1	1	3	2	2	1	0	4	2	3	3	3
1960	35	1	7	4	3	3	4	0	4	4	1	3	1
1959	33	3	2	2	3	5	5	2	3	3	2	2	1
1958	10	0	0	0	0	0	0	0	0	3	4	1	2
1957	7	1	1	2	1	1	0	0	0	1	0	0	0
1956	5	0	0	0	0	0	0	0	1	2	1	0	1
1955	15	1	1	2	3	2	0	2	2	0	1	0	1
1954	9	1	0	0	3	1	0	0	0	0	1	1	2
1953	12	0	1	0	1	3	0	1	2	2	1	0	1
1952	8	1	0	1	1	2	0	1	1	1	0	0	0
1951	33	2	3	1	5	3	1	1	4	4	5	3	1
1950	57	4	11	7	6	5	4	2	4	2	5	4	3
1948	75	2	6	8	12	9	3	5	8	8	5	5	4
1946	200	12	20	17	16	15	8	16	15	19	21	21	20
1945	174	11	16	17	16	11	9	11	23	20	21	7	12
1944	32	2	1	2	1	0	0	0	0	4	5	5	12
1943	17	0	0	0	0	0	0	2	5	3	2	3	2
1942	39	2	4	0	1	1	2	2	5	7	9	3	3
1941	7	1	0	1	0	0	0	0	1	2	1	0	1
1940	123	18	15	21	17	14	9	11	8	4	2	3	1
1939	124	24	24	9	2	4	14	8	6	4	8	11	10
1938	305	30	17	32	26	22	21	25	25	27	27	27	26
1937	122	23	19	11	10	9	4	1	3	7	8	16	11
1936	102	2	6	7	7	1	4	2	13	7	13	18	22
1935	196	17	14	19	18	21	12	21	13	18	24	15	4
1934	124	21	15	23	4	11	5	7	5	5	8	3	17
1933	190	6	4	11	12	15	17	25	29	22	22	15	12
1932	158	22	20	27	13	9	10	17	16	1	6	6	11
1931	140	4	3	4	6	2	5	7	15	17	30	26	21
1930	161	15	18	15	12	12	9	9	11	16	15	20	9
1929	112	15	11	18	13	5	1	7	6	12	8	8	8
1928	192	11	6	8	9	12	8	25	19	27	24	20	23
1927	166	30	20	22	13	12	12	10	13	12	8	7	7
1926	287	21	7	11	10	9	10	31	32	43	34	37	42
1925	249	22	23	20	18	18	27	22	17	16	21	24	21
1924	131	17	12	9	7	6	8	9	9	8	11	15	20
1923	155	4	4	8	14	10	8	21	21	24	17	11	13
1922	36	5	5	4	4	4	2	2	2	4	2	1	1
1921	14	0	0	0	0	1	2	4	2	1	2	0	2
1895	3	1	0	0	0	0	0	0	2	0	0	0	0
1894	8	0	0	0	2	0	1	1	1	2	1	0	0
1893	5	0	1	0	1	1	1	0	1	0	0	0	0