	British Astronomical Association Supporting amateur astronomers since 1890		Home	Login
			Help

Observation Summary for Variable Star RV TAU

Total observations:	7,436		Minimum magnitude:	11.470	Maximum magnitude:	8.100
First observation:	JD 2433569.449300	\	14 Oct 1950 22:46:59.520000 UT	Latest observation:	JD 2460625.414580	\	10 Nov 2024 21:56:59.712000 UT

Observation Method	Number of Observations
Visual	7,373
CCD	28
DSLR	13
CMOS	22

Back to Basic Summary

Summary by Year and Month

Year	Total	Jan	Feb	Mar	Apr	May	Jul	Aug	Sep	Oct	Nov	Dec
2024	24	7	3	3	3	0	0	3	2	2	1	0
2023	53	7	13	2	9	0	0	3	5	3	6	5
2022	75	14	14	14	7	0	0	4	4	4	7	7
2021	53	4	13	9	6	0	0	2	3	7	3	6
2020	75	18	16	11	3	0	0	1	5	5	10	6
2019	68	18	13	6	2	0	0	3	4	6	6	10
2018	79	16	23	10	3	1	0	3	3	5	7	8
2017	94	22	9	25	7	0	0	2	3	5	9	12
2016	118	17	22	22	7	1	1	5	3	4	17	19
2015	100	19	17	18	7	1	0	3	5	3	13	14
2014	105	17	18	20	5	0	1	2	3	7	12	20
2013	94	14	12	9	14	0	0	3	3	6	12	21
2012	110	23	16	28	4	0	1	4	4	2	12	16
2011	80	13	12	12	8	0	0	1	5	3	12	14
2010	103	17	15	18	7	0	0	6	4	11	15	10
2009	128	22	13	20	10	0	1	8	8	8	15	23
2008	128	21	27	18	4	0	0	3	7	15	16	17
2007	120	21	13	18	9	0	1	3	4	10	19	22
2006	89	15	17	9	7	0	0	2	2	4	20	13
2005	115	23	15	13	9	0	0	3	4	3	22	23
2004	96	21	14	11	6	0	0	3	4	6	10	21
2003	101	17	17	19	8	0	0	4	5	8	11	12
2002	103	20	21	21	14	0	0	1	3	3	12	8
2001	94	18	15	11	3	0	1	0	1	9	16	20
2000	69	10	10	10	4	0	0	2	6	3	11	13
1999	75	12	9	10	3	0	1	4	4	5	10	17
1998	73	17	15	8	5	0	0	3	1	3	9	12
1997	60	8	9	7	4	0	0	3	8	11	6	4
1996	44	8	11	4	5	0	0	0	1	3	6	6
1995	28	3	2	3	1	0	0	2	3	3	7	4
1994	81	18	11	11	5	0	0	5	3	10	6	12
1993	64	6	6	11	2	0	1	4	6	5	8	15
1992	67	16	10	9	1	0	0	1	2	5	8	15
1991	65	11	8	11	5	0	0	3	5	4	9	9
1990	108	24	20	25	10	0	0	0	4	5	10	10
1989	119	22	21	19	7	0	0	2	2	10	23	13
1988	151	24	27	18	10	0	3	7	8	14	19	21
1987	176	26	24	32	13	0	2	8	12	16	25	18
1986	210	34	23	30	12	0	0	4	14	27	33	33
1985	168	23	34	30	12	0	0	4	6	15	22	22
1984	189	39	27	18	15	0	0	2	9	20	21	38
1983	193	34	32	27	12	0	0	2	6	21	26	33
1982	193	33	30	44	12	0	0	3	10	14	19	28
1981	137	28	26	13	12	0	0	2	8	17	19	12
1980	143	18	12	14	9	0	0	6	14	18	27	25
1979	96	19	18	13	4	0	0	3	8	7	14	10
1978	141	38	14	26	7	0	0	1	11	11	21	12
1977	135	22	24	24	17	0	0	0	6	10	14	18
1976	152	26	23	34	11	0	0	3	4	5	25	21
1975	262	61	45	43	12	0	0	7	17	20	35	22
1974	272	32	32	25	25	0	2	21	31	19	46	39
1973	184	17	27	30	17	0	0	7	13	18	28	27
1972	43	2	4	7	0	0	0	3	1	4	13	9
1971	100	10	13	14	6	0	3	10	8	14	16	6
1970	99	13	13	16	3	0	0	5	6	11	21	11
1969	80	9	14	11	4	0	0	0	7	8	12	15
1968	125	15	20	20	8	0	0	2	14	18	9	19
1967	199	31	39	40	8	0	0	6	7	18	20	30
1966	140	14	14	24	7	0	0	6	10	9	19	37
1965	179	36	20	16	6	0	0	7	6	15	36	37
1964	121	11	14	8	2	0	0	4	20	15	21	26
1963	62	8	13	6	3	0	0	0	3	3	10	16
1962	48	2	5	7	4	0	0	0	2	7	8	13
1960	5	1	2	2	0	0	0	0	0	0	0	0
1959	16	3	2	3	1	0	0	0	1	2	1	3
1958	17	2	5	5	2	0	0	0	0	1	1	1
1957	14	2	2	4	0	0	0	0	1	1	2	2
1956	39	9	2	8	5	0	0	0	4	5	6	0
1955	68	10	9	8	9	0	0	1	5	12	7	7
1954	74	11	10	7	12	0	0	1	4	13	9	7
1953	37	3	5	7	5	0	0	1	1	4	7	4
1952	24	6	3	3	3	0	0	1	1	4	2	1
1951	75	9	8	13	13	0	0	2	7	11	4	8
1950	11	0	0	0	0	0	0	0	0	2	2	7