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Observation Summary for Variable Star S CRB

Total observations:	15,260		Minimum magnitude:	13.980	Maximum magnitude:	5.392
First observation:	JD 2402017.500000	\	26 May 1864 00:00:00.000000 UT	Latest observation:	JD 2460941.332000	\	22 Sep 2025 19:58:04.800000 UT

Observation Method	Number of Observations
Visual	15,211
CCD	49

Back to Basic Summary

Summary by Year and Month

Year	Total	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2025	56	3	3	6	5	6	7	10	10	6	0	0	0
2024	83	5	2	3	8	9	7	10	15	9	7	4	4
2023	85	3	4	5	10	11	9	8	14	8	4	5	4
2022	115	5	4	5	7	7	13	21	18	17	10	5	3
2021	80	4	3	5	10	10	6	11	7	9	8	4	3
2020	88	6	5	6	10	13	6	10	9	10	3	6	4
2019	82	3	3	8	7	15	6	9	12	7	6	2	4
2018	105	4	6	3	6	13	10	16	16	16	8	4	3
2017	79	4	3	8	5	11	8	6	17	7	4	3	3
2016	64	2	5	4	6	4	3	8	11	7	5	5	4
2015	68	4	5	3	7	5	4	6	9	11	5	4	5
2014	103	3	3	4	9	15	6	9	14	15	13	7	5
2013	105	4	3	4	11	10	6	14	18	13	12	4	6
2012	70	5	3	5	5	10	2	5	12	12	4	4	3
2011	72	4	4	4	9	10	6	4	8	11	3	4	5
2010	86	6	3	6	10	9	6	7	14	6	10	7	2
2009	116	6	4	10	15	17	12	10	12	13	6	6	5
2008	117	4	6	6	10	12	11	11	11	16	17	8	5
2007	98	5	2	5	12	12	6	10	11	12	12	4	7
2006	76	2	3	3	7	9	4	6	8	15	10	7	2
2005	79	3	1	3	9	12	10	1	13	11	7	5	4
2004	87	4	4	5	10	12	8	3	12	12	9	6	2
2003	102	4	3	10	10	12	7	8	17	14	11	4	2
2002	99	3	4	4	11	12	4	7	14	9	18	9	4
2001	72	4	2	5	12	10	6	6	7	3	5	6	6
2000	129	4	4	9	15	15	10	9	22	15	10	9	7
1999	163	11	6	9	33	19	10	13	12	15	17	11	7
1998	132	10	4	9	12	17	10	8	18	13	13	10	8
1997	124	3	8	12	8	10	3	10	12	16	26	8	8
1996	87	1	4	3	9	11	9	10	9	12	8	8	3
1995	121	8	3	14	13	16	9	13	11	12	10	8	4
1994	119	6	5	14	14	11	12	14	14	11	8	2	8
1993	114	3	4	14	9	17	13	10	17	8	6	6	7
1992	108	2	6	9	11	15	9	9	13	12	10	6	6
1991	101	3	3	7	14	9	11	7	16	11	9	8	3
1990	164	8	6	21	21	20	10	18	13	16	18	9	4
1989	234	7	8	21	20	30	26	17	30	25	29	18	3
1988	283	13	11	22	28	30	19	26	31	36	30	29	8
1987	281	14	12	28	38	29	25	28	33	28	23	16	7
1986	262	15	13	16	26	30	29	21	19	30	29	17	17
1985	219	11	12	21	23	23	17	21	25	21	22	14	9
1984	217	9	10	16	30	21	22	31	19	16	14	13	16
1983	263	10	13	24	37	30	31	29	26	28	23	8	4
1982	197	4	7	20	25	25	15	20	20	27	15	12	7
1981	255	16	19	17	27	35	32	27	29	23	21	7	2
1980	236	8	7	15	34	41	14	16	27	27	25	12	10
1979	144	4	8	11	13	25	14	14	13	16	15	7	4
1978	116	7	7	17	12	21	13	8	20	11	0	0	0
1977	223	6	8	20	38	28	20	25	25	26	18	5	4
1976	322	13	13	24	47	43	48	39	42	25	10	11	7
1975	302	21	9	22	21	33	46	28	41	36	26	13	6
1974	227	12	21	22	29	28	21	27	24	22	7	7	7
1973	109	0	2	5	17	13	10	9	12	14	9	10	8
1972	28	0	0	3	2	12	4	2	2	2	0	1	0
1971	4	0	1	0	0	2	1	0	0	0	0	0	0
1970	2	0	0	0	0	0	0	0	0	0	0	0	2
1969	5	0	0	0	1	0	4	0	0	0	0	0	0
1968	24	0	0	4	6	1	2	3	5	3	0	0	0
1967	25	0	0	0	0	7	2	3	9	0	4	0	0
1966	27	0	0	0	4	4	2	3	4	6	4	0	0
1965	34	2	0	5	4	4	4	2	6	2	5	0	0
1964	31	0	0	0	8	4	4	3	6	4	2	0	0
1963	61	0	1	8	9	7	4	8	6	11	3	4	0
1962	95	0	1	9	13	10	14	10	15	10	9	3	1
1961	105	1	0	16	12	21	10	8	14	12	8	2	1
1960	66	1	0	2	13	12	8	9	8	8	3	2	0
1959	78	0	5	6	8	12	11	9	8	10	7	2	0
1958	53	0	2	5	16	11	4	2	4	3	6	0	0
1957	62	0	2	4	7	11	10	7	8	4	5	3	1
1956	64	2	0	7	10	12	4	7	9	4	7	2	0
1955	124	2	5	10	16	11	13	16	11	19	12	7	2
1954	67	1	0	6	9	5	5	4	5	21	7	4	0
1953	89	2	3	5	7	9	4	12	22	12	11	2	0
1952	101	2	3	10	13	11	15	17	12	9	6	1	2
1951	102	1	3	3	9	11	10	18	19	12	13	2	1
1950	47	1	4	3	3	2	3	7	10	5	5	4	0
1948	78	0	0	3	9	12	5	11	16	11	9	2	0
1946	155	0	6	7	15	17	16	23	24	22	16	7	2
1945	85	0	0	3	7	10	6	15	20	11	13	0	0
1944	47	0	0	3	2	3	1	1	12	15	9	1	0
1943	36	0	0	1	4	1	1	8	10	8	3	0	0
1942	15	0	0	0	0	1	0	0	5	6	1	2	0
1941	18	2	3	2	0	0	0	0	2	6	3	0	0
1940	106	5	3	6	11	17	15	8	14	10	7	5	5
1939	134	8	9	11	12	11	7	16	21	9	11	11	8
1934	202	10	9	17	9	30	12	27	24	29	15	12	8
1933	251	12	9	28	24	23	15	31	36	29	20	13	11
1932	200	13	15	25	20	9	11	19	24	22	18	12	12
1931	250	11	16	23	22	21	19	20	22	24	37	24	11
1930	157	17	12	14	11	8	7	7	16	22	19	14	10
1929	223	9	8	25	22	16	8	15	17	36	29	21	17
1928	222	15	15	19	18	14	9	14	18	35	30	21	14
1927	194	14	18	21	20	15	11	13	22	19	13	14	14
1926	223	11	11	24	24	17	13	19	17	24	28	21	14
1925	243	14	15	21	23	22	20	20	18	25	26	24	15
1924	263	17	19	22	23	30	18	19	16	16	33	24	26
1923	196	8	10	18	22	18	9	13	15	30	16	23	14
1922	189	6	16	19	16	26	10	16	19	16	19	16	10
1921	211	14	11	22	31	21	23	13	15	19	21	11	10
1920	209	23	21	22	17	24	15	12	10	14	26	17	8
1919	158	16	12	11	12	19	11	10	11	15	13	17	11
1918	182	17	16	17	14	20	13	11	10	19	15	18	12
1917	170	10	14	17	16	13	13	20	11	12	16	13	15
1916	147	17	13	9	18	13	14	14	13	5	14	6	11
1915	151	8	7	12	22	27	12	20	9	9	4	12	9
1914	155	10	13	14	19	16	12	16	15	11	5	13	11
1913	135	4	7	8	10	33	17	11	12	14	5	7	7
1912	77	2	6	5	11	10	11	9	2	6	5	4	6
1911	120	10	7	9	14	15	15	15	11	7	5	6	6
1910	116	4	9	11	8	16	17	12	16	5	4	8	6
1909	189	9	12	13	44	46	10	15	10	8	10	10	2
1908	162	6	22	20	18	18	22	17	12	8	14	3	2
1907	212	10	14	34	26	35	26	29	15	9	5	6	3
1906	185	7	18	12	13	10	30	35	24	18	6	7	5
1905	5	0	0	1	0	2	0	0	2	0	0	0	0
1904	28	0	0	1	9	4	1	4	8	0	1	0	0
1903	16	0	0	4	3	2	1	1	1	2	1	1	0
1902	26	0	0	1	6	9	3	5	2	0	0	0	0
1901	77	0	1	10	26	16	3	8	7	4	2	0	0
1900	7	0	0	0	3	0	1	2	1	0	0	0	0
1899	3	0	0	0	0	2	0	0	1	0	0	0	0
1895	1	0	0	1	0	0	0	0	0	0	0	0	0
1894	1	0	0	0	1	0	0	0	0	0	0	0	0
1893	1	0	0	0	1	0	0	0	0	0	0	0	0
1891	11	0	0	2	4	5	0	0	0	0	0	0	0
1887	1	0	1	0	0	0	0	0	0	0	0	0	0
1886	12	0	2	2	2	2	1	0	0	1	0	2	0
1885	19	0	0	2	6	4	3	2	1	1	0	0	0
1884	25	0	1	3	5	5	3	2	2	2	1	1	0
1883	3	0	0	2	1	0	0	0	0	0	0	0	0
1882	12	0	0	2	3	4	0	1	1	1	0	0	0
1881	21	0	0	1	1	4	3	6	3	1	2	0	0
1880	26	0	1	1	5	4	3	4	4	3	1	0	0
1879	13	0	1	2	1	0	0	0	4	3	1	1	0
1878	31	0	0	0	1	5	7	6	5	5	2	0	0
1869	3	0	0	0	2	0	1	0	0	0	0	0	0
1868	17	0	0	0	1	1	6	6	1	1	0	1	0
1867	20	0	1	0	2	3	2	2	3	4	2	1	0
1866	28	0	2	1	3	6	3	5	3	2	2	1	0
1865	36	0	0	0	4	4	7	7	7	4	2	1	0
1864	18	0	0	0	0	2	0	7	3	4	2	0	0