	British Astronomical Association Supporting amateur astronomers since 1890		Home	Login
			Help

Observation Summary for Variable Star BU TAU

Total observations:	6,237		Minimum magnitude:	6.740	Maximum magnitude:	4.200
First observation:	JD 2439854.300000	\	29 Dec 1967 19:12:00.000000 UT	Latest observation:	JD 2460371.335400	\	1 Mar 2024 20:02:58.560000 UT

Observation Method	Number of Observations
Visual	6,232
CCD	5

Year	Total	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2024	7	5	1	1	0	0	0	0	0	0	0	0	0
2023	33	1	3	1	3	0	0	0	1	2	8	6	8
2022	46	18	9	4	1	0	0	0	0	2	3	2	7
2021	46	12	13	10	7	0	0	0	0	1	1	1	1
2020	93	9	7	13	2	0	0	2	3	8	20	15	14
2019	61	7	14	5	5	0	0	2	3	8	6	5	6
2018	71	12	17	8	1	0	0	3	4	6	9	7	4
2017	92	18	11	18	3	0	0	2	3	4	6	12	15
2016	153	23	33	21	8	0	0	2	7	7	4	24	24
2015	134	22	26	25	14	0	0	2	4	5	7	13	16
2014	129	21	19	17	8	0	0	3	6	5	7	12	31
2013	115	17	19	11	6	0	0	3	3	3	11	20	22
2012	110	25	16	24	6	0	0	1	1	4	4	14	15
2011	126	22	15	23	10	0	0	0	2	7	9	17	21
2010	99	21	12	18	7	0	0	1	4	3	4	12	17
2009	128	30	15	20	4	0	0	2	7	4	8	18	20
2008	103	14	17	12	4	0	0	2	5	10	14	11	14
2007	128	24	16	21	12	0	0	0	1	6	10	18	20
2006	120	21	21	7	11	0	0	1	2	5	9	24	19
2005	123	22	22	16	4	0	0	0	5	5	6	27	16
2004	117	17	21	15	9	0	0	0	4	3	12	16	20
2003	111	20	19	22	9	0	0	0	3	5	7	11	15
2002	102	20	16	19	13	0	0	0	1	2	4	13	14
2001	115	14	14	16	4	0	0	0	4	5	9	18	31
2000	156	23	28	35	9	0	0	0	5	8	13	15	20
1999	170	30	23	30	14	1	0	1	5	7	11	22	26
1998	159	27	26	17	5	0	2	2	3	4	13	27	33
1997	83	9	10	12	7	0	0	1	5	5	13	9	12
1996	77	4	16	4	4	0	0	1	3	9	7	16	13
1995	133	21	24	26	12	0	0	2	6	11	12	9	10
1994	228	42	23	24	20	0	0	2	8	21	38	19	31
1993	173	16	14	23	2	0	0	2	6	11	31	33	35
1992	140	20	20	13	7	0	0	2	7	9	15	22	25
1991	145	28	12	16	3	0	0	3	8	13	19	22	21
1990	137	25	28	23	9	0	0	3	3	8	8	11	19
1989	227	34	33	32	19	0	0	1	20	20	18	32	18
1988	314	45	45	33	25	0	0	4	6	20	55	44	37
1987	238	36	22	36	19	0	2	5	11	19	32	32	24
1986	320	45	42	53	16	0	1	3	8	27	49	36	40
1985	200	21	32	30	5	0	0	3	12	7	24	32	34
1984	183	26	21	14	15	0	0	2	8	14	37	23	23
1983	109	20	12	12	5	0	0	1	4	8	19	11	17
1982	119	19	20	19	5	0	0	3	5	13	11	11	13
1981	118	10	10	10	7	0	0	1	3	5	25	32	15
1980	46	11	3	7	3	0	0	0	4	4	3	6	5
1979	47	3	5	6	0	0	0	1	2	4	8	10	8
1978	4	0	0	0	0	0	0	0	0	0	0	1	3
1975	5	3	2	0	0	0	0	0	0	0	0	0	0
1972	133	22	23	12	10	0	0	1	8	10	17	16	14
1971	197	25	31	20	13	0	0	7	14	2	31	35	19
1970	3	1	1	1	0	0	0	0	0	0	0	0	0
1969	6	1	0	1	1	0	0	1	1	0	0	0	1
1968	4	1	2	1	0	0	0	0	0	0	0	0	0
1967	1	0	0	0	0	0	0	0	0	0	0	0	1