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Observation Summary for Variable Star chi Cyg

Total observations:	25,527		Minimum magnitude:	14.600	Maximum magnitude:	3.200
First observation:	JD 2393957.500000	\	2 May 1842 00:00:00.000000 UT	Latest observation:	JD 2460978.458330	\	29 Oct 2025 22:59:59.712000 UT

Observation Method	Number of Observations
Visual	25,273
Photographic	48
CCD	150
DSLR	47
CMOS	9

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Summary by Year and Month

Year	Total	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2025	158	8	3	3	7	14	13	30	34	31	15	0	0
2024	272	8	3	4	8	23	40	39	57	45	27	14	4
2023	241	13	4	5	11	38	43	29	34	20	18	17	9
2022	198	14	5	16	19	23	23	19	20	15	18	17	9
2021	206	14	10	11	20	25	22	17	15	23	17	16	16
2020	234	23	9	11	18	32	20	20	12	20	19	31	19
2019	197	22	11	4	5	14	12	14	21	21	28	22	23
2018	200	20	11	3	4	15	17	19	26	20	22	22	21
2017	318	16	4	7	6	18	18	21	45	44	62	46	31
2016	248	11	6	4	8	15	11	19	39	48	37	28	22
2015	305	6	6	6	10	17	32	60	42	46	40	22	18
2014	255	6	5	8	7	21	32	51	33	30	26	16	20
2013	286	8	4	8	31	41	24	47	40	22	28	20	13
2012	172	15	9	15	15	26	20	12	19	10	10	10	11
2011	158	25	12	11	18	21	14	8	7	10	10	11	11
2010	140	22	7	7	7	9	10	8	14	12	14	10	20
2009	185	18	5	6	9	13	14	15	15	20	15	26	29
2008	186	6	6	3	6	5	10	13	9	20	48	32	28
2007	182	9	3	3	5	12	6	11	16	34	37	28	18
2006	296	5	0	3	5	10	20	60	66	32	46	34	15
2005	135	5	1	2	5	13	24	11	29	19	10	9	7
2004	162	5	4	2	10	28	28	15	25	15	13	8	9
2003	141	9	7	14	9	21	12	13	15	13	11	10	7
2002	134	17	7	7	10	19	13	11	11	13	10	8	8
2001	151	16	4	5	8	13	7	9	16	9	19	16	29
2000	193	25	13	9	10	13	11	13	22	19	22	16	20
1999	269	26	7	4	10	8	10	23	20	27	37	49	48
1998	310	13	4	8	8	11	7	18	27	36	66	62	50
1997	253	4	7	6	8	11	6	22	48	57	51	20	13
1996	180	2	3	1	7	8	16	29	36	32	18	15	13
1995	322	4	2	12	10	31	47	55	78	35	27	15	6
1994	200	7	4	7	14	38	34	29	22	14	14	9	8
1993	168	7	7	16	7	27	19	24	17	15	14	8	7
1992	119	11	8	6	8	15	9	12	15	9	12	6	8
1991	106	23	3	3	6	7	9	7	12	8	8	11	9
1990	128	18	3	5	7	10	5	8	7	7	15	17	26
1989	155	13	4	4	4	15	12	11	19	15	22	28	8
1988	294	9	4	1	5	11	10	19	32	46	60	59	38
1987	316	12	4	7	11	17	16	25	49	59	53	46	17
1986	314	5	4	6	7	25	43	41	44	54	50	21	14
1985	199	7	5	5	6	14	24	27	27	26	26	19	13
1984	236	12	4	4	29	28	27	41	27	11	20	19	14
1983	230	14	7	20	24	32	20	26	21	21	24	13	8
1982	167	18	12	19	11	16	9	13	12	14	13	14	16
1981	211	28	10	12	12	18	13	17	24	19	20	19	19
1980	210	10	0	4	12	8	1	3	13	23	40	50	46
1979	169	6	4	5	3	3	3	11	18	25	37	31	23
1978	226	6	0	0	0	2	3	14	40	61	42	36	22
1977	129	1	0	0	1	4	4	19	30	27	31	9	3
1976	181	2	2	3	7	10	31	41	45	18	11	10	1
1975	316	18	1	6	15	47	59	38	45	46	22	11	8
1974	265	23	15	14	30	41	23	29	30	25	14	12	9
1973	275	33	24	30	19	21	31	13	22	18	16	29	19
1972	134	9	8	6	5	5	6	9	13	5	18	28	22
1971	227	14	11	1	6	12	3	14	19	34	43	34	36
1970	182	2	0	0	1	2	11	22	21	30	40	30	23
1969	231	4	0	1	2	5	26	27	28	36	49	36	17
1968	323	1	1	8	6	27	51	65	54	62	27	15	6
1967	175	3	1	5	6	18	28	28	28	18	14	14	12
1966	69	0	1	2	6	21	12	5	11	5	2	2	2
1965	90	6	1	4	1	14	10	7	16	13	6	4	8
1964	81	1	2	0	6	8	10	10	9	4	5	12	14
1963	58	5	2	6	3	8	4	3	2	2	8	9	6
1962	118	7	4	3	3	5	5	6	14	14	28	13	16
1961	138	7	4	7	2	4	4	7	18	18	28	26	13
1960	113	5	1	1	3	7	11	7	13	11	13	22	19
1959	128	3	0	1	4	11	14	18	14	27	18	12	6
1958	62	3	0	1	5	5	9	7	10	10	4	5	3
1957	63	0	0	1	6	8	8	11	8	4	6	6	5
1956	61	2	0	0	7	12	4	5	6	3	14	7	1
1955	111	8	2	9	13	10	9	13	11	14	14	5	3
1954	69	3	0	7	13	5	7	1	3	11	10	4	5
1953	65	11	3	5	7	6	4	4	5	5	7	4	4
1952	91	7	2	3	6	10	5	7	4	9	12	13	13
1951	140	8	0	1	6	5	6	9	13	16	30	28	18
1950	115	6	0	0	7	8	7	6	15	9	31	20	6
1949	87	0	1	1	3	7	9	10	15	17	10	8	6
1948	129	6	0	0	4	16	11	16	24	16	18	12	6
1947	41	0	0	2	4	5	10	6	5	5	4	0	0
1946	266	7	10	19	20	40	33	29	23	26	23	20	16
1945	117	5	0	0	1	12	8	14	18	15	26	5	13
1944	68	3	1	1	1	4	2	1	6	12	11	11	15
1943	67	1	3	3	3	1	5	4	8	13	8	11	7
1942	66	0	2	3	1	3	2	7	11	13	12	8	4
1941	38	5	3	1	0	1	0	1	3	10	7	2	5
1940	132	8	4	7	3	11	24	14	17	14	11	11	8
1939	239	7	6	8	18	20	28	27	40	21	22	27	15
1938	299	3	8	8	17	26	36	39	33	35	32	40	22
1937	212	8	5	8	8	23	32	17	28	25	26	22	10
1936	234	13	4	8	15	16	14	14	46	35	40	17	12
1935	262	20	14	15	20	20	24	27	29	22	24	21	26
1934	301	22	13	13	13	24	13	33	32	41	30	27	40
1933	333	30	6	21	18	16	9	32	42	44	37	35	43
1932	271	21	12	16	10	10	10	21	33	28	42	34	34
1931	318	10	3	5	10	25	26	27	41	45	60	42	24
1930	248	9	6	12	15	17	24	21	30	26	29	34	25
1929	427	11	7	28	30	53	41	51	52	57	36	36	25
1928	359	36	22	26	25	36	29	34	27	42	29	27	26
1927	313	38	22	30	33	27	24	27	32	24	22	14	20
1926	403	50	18	25	32	24	32	29	27	30	33	45	58
1925	337	32	18	19	22	22	24	22	14	21	29	58	56
1924	373	29	14	18	18	17	9	25	16	34	45	72	76
1923	389	23	7	5	6	7	7	30	38	73	69	78	46
1922	274	13	2	4	5	9	8	18	39	57	56	39	24
1921	354	14	6	11	15	14	25	36	61	77	47	29	19
1920	328	10	13	15	13	30	37	42	38	44	43	22	21
1919	232	17	8	9	14	43	30	18	25	24	21	14	9
1918	234	26	13	20	20	34	22	15	24	25	11	15	9
1917	234	18	16	21	21	19	16	22	12	16	25	19	29
1916	199	27	14	12	17	18	10	16	9	10	20	25	21
1915	194	18	7	8	13	23	9	12	14	24	13	27	26
1914	208	19	9	7	10	8	11	14	26	31	21	26	26
1913	256	17	7	5	7	7	16	16	17	32	44	51	37
1912	252	8	3	3	4	8	15	15	21	51	57	34	33
1911	190	1	2	2	7	11	11	24	38	34	28	16	16
1910	164	3	4	4	4	10	24	17	34	29	17	9	9
1909	274	13	5	4	19	85	33	36	20	15	21	15	8
1908	244	19	12	22	36	35	36	19	21	14	16	9	5
1907	232	31	9	25	18	22	34	27	15	13	13	12	13
1906	134	23	5	10	10	10	15	8	5	10	5	15	18
1905	69	26	1	0	1	3	2	2	2	4	5	6	17
1904	94	6	0	0	1	0	0	1	5	10	12	25	34
1903	29	1	0	1	1	0	0	0	0	1	8	12	5
1902	83	3	0	0	3	4	5	6	7	19	20	11	5
1901	189	0	0	0	0	5	4	21	69	34	33	15	8
1900	67	0	0	0	0	0	6	24	26	5	4	2	0
1899	22	0	0	0	0	2	7	6	4	1	1	1	0
1896	4	4	0	0	0	0	0	0	0	0	0	0	0
1895	8	4	0	0	0	0	0	0	0	0	0	1	3
1894	13	2	0	0	0	1	0	0	0	0	0	5	5
1893	41	0	0	0	0	0	0	0	0	0	14	14	13
1891	28	1	0	0	0	0	0	9	8	3	5	1	1
1887	1	1	0	0	0	0	0	0	0	0	0	0	0
1886	13	5	1	0	0	0	0	0	0	1	1	2	3
1885	8	1	0	0	0	1	0	0	1	0	0	3	2
1884	18	0	0	0	0	0	0	1	1	4	3	5	4
1882	4	0	0	0	0	1	0	2	0	1	0	0	0
1881	8	0	0	0	0	1	2	2	2	1	0	0	0
1880	11	0	0	1	4	2	2	1	1	0	0	0	0
1879	4	4	0	0	0	0	0	0	0	0	0	0	0
1878	4	0	0	0	0	2	1	0	0	0	0	1	0
1875	2	0	0	0	0	0	0	0	0	0	0	0	2
1874	2	0	0	0	0	0	0	0	0	0	0	1	1
1870	1	0	0	0	0	0	1	0	0	0	0	0	0
1869	2	0	0	0	1	0	1	0	0	0	0	0	0
1868	3	1	0	0	2	0	0	0	0	0	0	0	0
1867	3	1	1	0	0	0	0	0	0	0	0	0	1
1866	15	0	0	0	0	1	1	0	0	2	3	5	3
1865	8	0	0	0	1	0	1	0	0	0	0	5	1
1864	23	0	0	0	1	1	0	3	3	4	8	3	0
1863	27	0	1	0	0	2	3	3	4	6	3	3	2
1862	14	0	0	0	1	2	3	5	0	1	1	1	0
1861	11	0	0	0	3	5	2	0	1	0	0	0	0
1860	3	0	0	0	3	0	0	0	0	0	0	0	0
1859	4	1	1	0	0	0	0	0	0	0	0	1	1
1858	23	9	0	1	4	4	2	0	0	0	0	1	2
1857	25	2	2	0	0	0	1	0	1	7	3	4	5
1856	51	0	0	0	0	4	0	2	6	11	8	13	7
1855	41	0	0	0	0	0	1	0	4	9	16	9	2
1854	14	0	0	0	0	0	1	3	1	7	1	1	0
1853	12	0	0	0	0	1	2	6	2	1	0	0	0
1852	6	0	0	0	0	1	0	2	2	1	0	0	0
1851	7	0	0	0	1	1	0	5	0	0	0	0	0
1850	14	0	0	0	1	8	3	2	0	0	0	0	0
1849	1	0	0	0	0	0	1	0	0	0	0	0	0
1845	15	0	0	0	0	0	0	0	0	13	2	0	0
1844	1	0	0	0	0	0	0	0	1	0	0	0	0
1842	4	0	0	0	0	3	1	0	0	0	0	0	0