	British Astronomical Association Supporting amateur astronomers since 1890		Home	Login
			Help

Observation Summary for Variable Star Y CVN

Total observations:	7,703		Minimum magnitude:	6.700	Maximum magnitude:	4.700
First observation:	JD 2440230.599000	\	9 Jan 1969 02:22:33.600000 UT	Latest observation:	JD 2460429.389000	\	28 Apr 2024 21:20:09.600000 UT

Observation Method	Number of Observations
Visual	7,570
CCD	10
PEP	123

Back to Basic Summary

Summary by Year and Month

Year	Total	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2024	27	6	6	8	7	0	0	0	0	0	0	0	0
2023	90	8	8	9	10	11	11	8	8	6	2	4	5
2022	124	8	12	15	14	12	11	8	12	9	9	5	9
2021	102	10	13	11	17	9	8	9	5	5	5	8	2
2020	126	10	12	19	16	15	10	9	6	13	6	6	4
2019	106	9	12	12	11	11	6	9	9	9	8	5	5
2018	142	12	13	10	18	18	12	17	14	12	8	3	5
2017	114	13	11	12	8	12	10	7	11	9	5	9	7
2016	114	14	15	13	12	12	8	9	7	3	5	9	7
2015	100	13	14	14	9	7	7	5	6	7	5	5	8
2014	140	13	15	13	14	12	8	15	14	9	10	8	9
2013	135	8	10	14	13	13	8	14	13	10	10	12	10
2012	140	14	12	22	12	16	7	13	11	11	7	7	8
2011	131	10	11	15	15	15	12	9	9	11	10	7	7
2010	111	11	11	13	10	11	8	10	8	5	9	8	7
2009	140	12	6	14	17	14	10	13	13	11	7	9	14
2008	112	11	10	10	10	10	15	8	3	8	10	9	8
2007	100	10	6	11	11	8	8	6	8	9	8	5	10
2006	127	9	12	9	11	14	10	15	13	7	7	13	7
2005	81	7	5	7	5	7	7	5	12	8	4	5	9
2004	84	6	11	9	5	10	6	8	9	6	7	4	3
2003	103	8	6	15	12	10	5	7	11	8	9	5	7
2002	82	8	5	7	10	12	3	9	8	5	6	5	4
2001	133	11	11	12	13	15	9	9	13	9	11	9	11
2000	178	12	15	26	18	18	10	13	19	17	11	11	8
1999	188	19	17	19	16	13	15	22	14	20	15	7	11
1998	208	24	21	18	20	23	15	15	23	13	12	12	12
1997	169	7	21	25	19	20	17	8	9	8	13	13	9
1996	134	2	16	6	13	10	18	19	16	11	5	8	10
1995	216	13	21	31	22	26	16	21	26	12	11	9	8
1994	199	10	11	21	15	22	24	17	20	24	17	6	12
1993	156	13	15	25	14	17	13	9	12	10	10	6	12
1992	105	9	11	10	10	10	5	10	9	4	8	8	11
1991	142	16	14	21	17	10	7	9	14	14	6	10	4
1990	137	10	13	18	16	17	7	11	8	11	9	7	10
1989	165	19	20	20	15	22	17	14	11	9	7	6	5
1988	219	15	20	24	22	26	20	25	15	15	13	15	9
1987	237	16	19	26	31	30	13	18	22	22	15	15	10
1986	221	17	13	24	21	29	17	16	16	25	21	11	11
1985	199	12	16	25	24	21	10	15	25	14	16	10	11
1984	201	12	11	14	32	21	17	24	17	14	18	11	10
1983	152	13	16	27	21	16	14	12	12	6	7	3	5
1982	218	12	17	43	27	22	13	22	22	22	9	5	4
1981	240	12	19	17	28	25	16	28	34	15	22	12	12
1980	156	12	5	14	22	24	9	13	16	11	12	9	9
1979	110	11	7	10	12	9	7	8	5	12	6	10	13
1978	99	12	7	18	10	15	8	4	5	6	5	6	3
1977	116	7	6	8	15	17	8	15	12	13	11	3	1
1976	155	10	10	17	21	15	11	19	19	8	7	14	4
1975	217	15	12	20	18	24	29	21	26	22	13	10	7
1974	254	20	19	19	24	24	14	32	31	25	20	13	13
1973	184	4	11	23	17	12	19	19	22	16	11	11	19
1972	42	1	0	1	0	0	0	7	14	10	3	3	3
1971	2	0	1	0	0	0	0	0	1	0	0	0	0
1970	10	1	1	1	1	3	1	1	0	0	0	0	1
1969	10	2	0	3	1	0	2	1	1	0	0	0	0