	British Astronomical Association Supporting amateur astronomers since 1890		Home	Login
			Help

Observation Summary for Variable Star BZ UMA

Total observations:	12,301		Minimum magnitude:	17.200	Maximum magnitude:	10.400
First observation:	JD 2448259.493000	\	2 Jan 1991 23:49:55.200000 UT	Latest observation:	JD 2460885.455000	\	28 Jul 2025 22:55:12.000000 UT

Observation Method	Number of Observations
Visual	2,671
CCD	9,630

Year	Total	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2025	64	13	9	11	15	10	5	1	0	0	0	0	0
2024	38	7	6	10	7	7	0	0	0	0	1	0	0
2023	49	5	9	6	9	17	1	0	0	0	0	1	1
2022	55	6	7	9	12	12	3	1	0	2	0	0	3
2021	70	7	6	9	18	18	7	0	0	0	1	2	2
2020	60	3	2	10	24	18	3	0	0	0	0	0	0
2019	33	1	11	8	5	7	1	0	0	0	0	0	0
2018	43	5	8	2	5	13	4	0	0	0	1	1	4
2017	49	8	5	11	9	7	5	0	0	0	1	3	0
2016	67	6	10	14	15	8	2	1	0	2	1	1	7
2015	61	4	11	10	19	15	1	0	0	1	0	0	0
2014	39	5	3	9	7	7	1	0	0	0	0	1	6
2013	280	1	5	5	247	14	6	0	0	0	0	0	2
2012	56	12	6	13	4	12	2	0	0	0	0	1	6
2011	65	6	9	10	10	11	0	0	0	0	4	2	13
2010	71	12	6	16	21	7	1	0	0	0	0	7	1
2009	93	6	5	31	31	9	6	0	0	1	1	0	3
2008	194	53	96	14	8	2	13	0	0	0	3	1	4
2007	6,461	10	6	8	6,159	254	8	0	0	0	1	5	10
2006	144	16	18	14	23	21	12	6	0	5	9	11	9
2005	2,674	1,389	2	1	1	2	0	0	0	0	1	0	1,278
2004	124	12	20	4	59	13	9	0	0	2	0	1	4
2003	104	18	19	19	18	10	2	0	0	0	3	5	10
2002	84	5	10	10	29	14	3	3	0	1	2	3	4
2001	96	10	12	14	20	23	5	0	1	1	0	2	8
2000	239	30	43	39	39	22	1	0	0	12	11	15	27
1999	200	27	20	38	22	20	6	2	1	4	16	18	26
1998	96	15	15	10	12	10	3	0	1	2	7	11	10
1997	143	11	14	20	21	21	4	3	2	9	16	10	12
1996	166	10	33	6	37	29	7	0	0	2	12	16	14
1995	124	17	14	27	16	14	7	0	0	1	10	10	8
1994	95	10	11	15	16	10	8	0	0	3	8	4	10
1993	51	7	6	8	8	9	4	0	0	0	2	3	4
1992	58	8	6	6	6	12	6	1	0	0	3	6	4
1991	55	9	6	2	6	7	8	6	3	0	3	2	3