	British Astronomical Association Supporting amateur astronomers since 1890		Home	Login
			Help

Observation Summary for Variable Star NSV 15889

Total observations:	2,297		Minimum magnitude:	8.300	Maximum magnitude:	6.900
First observation:	JD 2441162.501000	\	30 Jul 1971 00:01:26.400000 UT	Latest observation:	JD 2460208.521000	\	21 Sep 2023 00:30:14.400000 UT

Observation Method	Number of Observations
Visual	2,297

Year	Total	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2023	4	0	0	0	0	0	2	0	0	2	0	0	0
2022	2	2	0	0	0	0	0	0	0	0	0	0	0
2021	2	1	0	0	0	0	0	0	0	0	0	1	0
2020	26	0	3	3	4	3	1	2	2	3	2	2	1
2019	21	1	1	2	2	1	1	1	2	3	3	2	2
2018	17	1	0	2	3	1	2	1	3	2	2	0	0
2017	11	1	0	1	1	0	0	1	1	0	2	3	1
2016	59	8	9	7	5	6	3	4	5	2	2	5	3
2015	64	12	10	9	5	2	2	4	3	6	4	2	5
2014	87	9	7	7	7	4	5	10	7	8	6	8	9
2013	82	6	4	7	8	4	3	8	7	8	8	9	10
2012	74	10	5	11	5	7	2	3	6	9	4	7	5
2011	74	9	7	9	7	5	3	3	6	7	6	6	6
2010	33	3	3	4	3	0	3	2	3	3	3	3	3
2009	76	6	4	6	8	5	4	7	7	7	5	8	9
2008	37	2	3	4	3	2	4	2	3	4	3	3	4
2007	26	3	2	3	2	0	0	1	2	3	4	2	4
2006	55	6	7	1	4	2	0	6	6	6	6	6	5
2005	30	3	2	1	3	0	1	2	4	3	3	4	4
2004	27	3	2	3	3	0	1	2	4	3	3	1	2
2003	39	5	2	4	3	1	1	3	3	5	4	4	4
2002	22	2	1	3	4	0	0	1	2	2	3	2	2
2001	62	9	6	6	5	2	1	3	6	4	6	5	9
2000	60	5	7	8	3	3	0	2	4	8	8	7	5
1999	68	7	5	5	4	2	4	7	7	5	7	9	6
1998	59	5	9	3	6	2	1	3	5	5	7	6	7
1997	30	2	3	0	1	0	0	0	2	5	5	9	3
1996	12	0	2	0	0	0	0	1	4	1	2	0	2
1995	2	0	0	0	0	0	0	0	0	0	0	0	2
1994	7	2	1	3	0	0	0	1	0	0	0	0	0
1993	16	3	1	2	0	0	0	1	2	2	2	2	1
1992	4	1	1	1	0	0	0	0	0	0	0	1	0
1988	36	6	6	4	3	1	0	1	3	2	2	4	4
1987	139	14	13	16	14	5	2	7	15	15	14	14	10
1986	136	14	10	15	10	8	4	8	9	11	17	14	16
1985	105	10	13	10	10	7	0	6	11	7	12	8	11
1984	125	20	13	7	14	7	5	4	7	8	13	10	17
1983	97	4	7	7	2	1	0	3	22	13	14	12	12
1982	18	0	1	1	3	0	0	0	2	2	3	3	3
1981	13	2	2	2	2	0	0	0	2	1	1	1	0
1980	30	8	3	5	10	2	0	1	0	0	0	0	1
1979	34	5	5	1	5	3	0	0	2	5	4	2	2
1978	31	5	2	5	2	0	0	0	3	1	2	7	4
1977	52	4	0	4	6	3	0	3	6	8	11	3	4
1976	18	0	1	0	2	0	0	1	1	1	3	7	2
1975	103	19	7	8	3	5	7	4	13	11	10	11	5
1974	104	9	4	5	4	4	0	2	9	19	13	18	17
1973	56	2	1	3	2	1	1	2	7	6	7	12	12
1972	9	2	4	3	0	0	0	0	0	0	0	0	0
1971	3	0	0	0	0	0	0	1	0	0	0	2	0