	British Astronomical Association Supporting amateur astronomers since 1890		Home	Login
			Help

Observation Summary for Variable Star OJ 287

Total observations:	11,333		Minimum magnitude:	16.955	Maximum magnitude:	11.500
First observation:	JD 2445012.376000	\	11 Feb 1982 21:01:26.400000 UT	Latest observation:	JD 2460446.684720	\	16 May 2024 04:25:59.808000 UT

Year	Total	Jan	Feb	Mar	Apr	May	Jun	Sep	Oct	Nov	Dec
2024	418	92	133	79	78	36	0	0	0	0	0
2023	979	159	191	96	101	87	0	5	128	130	82
2022	1,091	170	236	153	177	110	10	6	99	73	57
2021	837	87	236	200	171	60	2	18	34	7	22
2020	1,739	89	126	271	594	530	1	0	1	38	89
2019	1,264	148	538	99	145	119	1	0	6	7	201
2018	410	64	104	43	85	51	0	0	4	6	53
2017	295	26	13	41	11	2	0	0	0	86	116
2016	931	149	285	219	129	88	0	9	17	23	12
2015	194	5	9	10	19	3	0	0	3	11	134
2014	46	7	4	18	7	1	0	0	2	1	6
2013	72	4	19	12	17	14	0	0	1	0	5
2012	173	7	4	136	16	3	0	0	0	2	5
2011	108	23	8	9	14	52	0	0	0	1	1
2010	66	11	9	16	13	6	0	0	4	1	6
2009	177	56	5	27	35	30	3	0	1	9	11
2008	217	11	21	15	11	7	0	16	41	40	55
2007	1,055	117	350	188	200	92	15	2	24	28	39
2006	411	89	41	57	97	20	8	0	8	85	6
2005	66	6	6	9	9	5	0	0	2	8	21
2004	55	11	10	7	21	0	0	0	1	3	2
2003	98	18	22	25	17	3	0	0	2	9	2
2002	78	5	9	12	37	7	0	0	3	2	3
2001	68	9	11	11	20	7	0	0	2	1	7
2000	84	9	19	23	19	3	0	0	0	8	3
1999	74	8	12	22	17	4	0	0	1	1	9
1998	42	8	11	7	11	0	0	0	1	4	0
1997	60	9	11	19	13	2	0	0	1	3	2
1996	28	1	8	2	7	0	0	0	0	5	5
1995	46	11	8	11	2	0	0	0	2	7	5
1994	70	7	13	21	15	1	0	0	2	4	7
1993	42	2	4	11	8	1	0	0	1	8	7
1992	17	0	1	5	4	2	0	0	1	2	2
1989	6	1	1	2	2	0	0	0	0	0	0
1988	6	1	2	0	1	0	0	0	0	1	1
1987	1	0	0	0	0	0	0	0	0	0	1
1986	3	0	0	1	1	0	0	0	0	1	0
1985	3	0	1	1	1	0	0	0	0	0	0
1984	2	0	0	0	1	0	0	0	0	1	0
1982	1	0	1	0	0	0	0	0	0	0	0