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Observation Summary for Variable Star V CVN

Total observations:	12,158		Minimum magnitude:	9.409	Maximum magnitude:	3.757
First observation:	JD 2440302.587000	\	22 Mar 1969 02:05:16.800000 UT	Latest observation:	JD 2460974.319000	\	25 Oct 2025 19:39:21.600000 UT

Observation Method	Number of Observations
Visual	10,604
CCD	277
CMOS	1,277

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Summary by Year and Month

Year	Total	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2025	160	11	23	37	28	17	9	10	10	10	5	0	0
2024	127	7	26	18	11	8	12	10	13	7	8	3	4
2023	176	12	18	38	34	14	13	9	17	8	4	4	5
2022	1,286	163	312	424	183	63	11	10	15	15	23	57	10
2021	404	69	111	59	94	12	11	12	9	7	8	8	4
2020	168	12	15	21	19	27	13	15	11	16	5	5	9
2019	172	16	24	18	20	18	12	13	12	11	14	6	8
2018	187	14	16	16	17	25	17	17	19	20	15	6	5
2017	173	21	15	19	13	17	11	15	19	13	7	14	9
2016	166	20	22	22	17	16	10	12	11	8	7	10	11
2015	173	20	19	23	19	13	15	11	15	11	8	7	12
2014	208	23	22	21	21	17	12	22	15	14	15	9	17
2013	188	11	13	18	20	19	13	16	17	14	19	15	13
2012	169	19	11	26	16	18	8	14	16	13	9	8	11
2011	185	14	17	22	24	22	15	9	14	17	12	9	10
2010	146	9	13	17	15	16	11	14	13	9	11	10	8
2009	225	25	16	27	33	21	13	19	18	20	8	13	12
2008	183	15	17	22	18	16	20	13	10	12	18	9	13
2007	183	15	13	24	17	12	14	13	10	22	16	11	16
2006	202	19	17	14	20	20	15	18	22	15	13	15	14
2005	171	14	15	15	17	13	10	11	22	19	9	15	11
2004	184	13	20	19	18	21	11	12	17	14	18	10	11
2003	233	21	23	31	18	21	13	19	20	23	22	9	13
2002	227	15	26	21	28	19	11	21	26	14	18	13	15
2001	230	18	20	21	29	25	18	17	20	13	15	14	20
2000	292	18	21	27	24	22	26	19	45	35	31	14	10
1999	254	25	19	25	21	15	17	25	30	28	23	12	14
1998	374	44	34	28	31	34	24	27	50	35	27	21	19
1997	216	8	20	26	18	20	12	13	25	20	24	19	11
1996	90	2	9	5	6	7	15	14	10	6	6	6	4
1995	256	18	23	35	25	26	18	22	30	20	16	13	10
1994	247	19	16	31	24	25	27	22	23	21	16	6	17
1993	246	20	18	31	20	31	21	22	25	15	16	10	17
1992	198	13	15	19	14	21	12	21	22	13	16	17	15
1991	189	21	16	23	24	17	15	8	19	16	7	16	7
1990	239	19	23	29	28	24	15	23	18	23	16	12	9
1989	286	23	30	37	22	40	25	26	25	20	22	10	6
1988	278	16	28	32	31	32	19	28	24	23	17	18	10
1987	269	22	20	30	34	27	18	17	33	22	17	14	15
1986	273	21	15	34	24	36	21	19	22	32	24	9	16
1985	250	17	23	31	33	28	15	26	29	16	12	10	10
1984	259	23	14	15	40	23	26	29	24	15	22	13	15
1983	216	16	20	30	29	23	19	15	19	13	16	7	9
1982	229	11	18	45	29	27	16	19	21	19	10	6	8
1981	249	17	18	16	30	24	18	26	32	19	25	12	12
1980	201	8	9	18	30	24	12	14	21	23	18	11	13
1979	148	7	14	21	22	13	4	6	10	21	15	5	10
1978	78	9	6	12	5	8	4	5	5	8	5	6	5
1977	103	8	7	10	16	10	8	11	14	9	8	1	1
1976	151	10	14	20	17	15	14	19	19	7	6	8	2
1975	226	14	14	15	19	28	36	25	25	25	10	6	9
1974	203	19	15	11	21	26	13	24	25	18	14	8	9
1973	117	5	6	10	8	8	17	16	18	4	2	7	16
1972	21	0	0	1	0	0	0	3	7	5	1	1	3
1971	3	2	0	0	0	0	0	0	1	0	0	0	0
1970	63	2	2	5	6	9	9	13	6	2	2	4	3
1969	8	0	0	2	1	0	2	1	1	0	0	1	0