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Observation Summary for Variable Star 3C 66A

Total observations:	2,540		Minimum magnitude:	15.950	Maximum magnitude:	12.000
First observation:	JD 2449300.517000	\	9 Nov 1993 00:24:28.800000 UT	Latest observation:	JD 2460978.450700	\	29 Oct 2025 22:49:00.480000 UT

Observation Method	Number of Observations
Visual	1,884
CCD	656

Year	Total	Jan	Feb	Mar	Apr	Jul	Aug	Sep	Oct	Nov	Dec
2025	12	3	4	0	0	0	0	4	1	0	0
2024	22	5	2	0	0	0	3	2	4	4	2
2023	29	8	4	0	0	0	2	2	4	6	3
2022	60	11	10	3	0	0	8	7	10	4	7
2021	23	5	4	1	0	0	1	3	4	3	2
2020	38	8	2	0	0	0	2	8	6	5	7
2019	62	14	14	1	2	0	8	9	6	3	5
2018	83	6	7	1	0	0	4	14	19	12	20
2017	34	9	2	0	0	0	6	5	5	4	3
2016	50	4	5	3	0	1	11	6	7	8	5
2015	44	5	8	5	0	1	6	6	6	5	2
2014	41	5	3	3	0	2	6	3	6	6	7
2013	37	4	6	1	0	0	4	6	6	4	6
2012	60	12	12	6	0	0	5	12	2	5	6
2011	50	6	6	5	0	0	2	6	7	10	8
2010	53	11	6	9	0	0	8	4	6	5	4
2009	65	11	9	6	0	1	6	5	6	8	13
2008	58	9	20	5	0	2	4	3	8	3	4
2007	94	34	6	3	0	1	7	12	12	9	10
2006	135	7	5	3	0	4	3	1	8	98	6
2005	66	17	5	5	0	0	7	2	0	2	28
2004	532	15	13	2	0	1	2	6	8	14	471
2003	128	24	20	13	0	6	19	10	12	8	16
2002	76	11	9	7	0	2	4	10	10	17	6
2001	88	17	15	3	0	5	9	4	6	14	15
2000	108	19	20	16	0	1	9	11	8	17	7
1999	83	6	10	3	0	10	9	5	15	12	13
1998	66	10	8	2	0	3	16	6	11	9	1
1997	79	11	10	6	0	7	9	13	13	6	4
1996	70	3	8	2	0	8	10	10	11	10	8
1995	72	13	5	5	0	4	14	8	10	8	5
1994	96	16	15	9	0	8	7	6	15	7	13
1993	26	0	0	0	0	0	0	0	0	16	10