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Observation Summary for Variable Star DE CVN

Total observations:	21,478		Minimum magnitude:	14.600	Maximum magnitude:	10.000
First observation:	JD 2452319.550000	\	14 Feb 2002 01:12:00.000000 UT	Latest observation:	JD 2460859.452100	\	2 Jul 2025 22:51:01.440000 UT

Observation Method	Number of Observations
Visual	568
CCD	20,910

Year	Total	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Nov	Dec
2025	396	18	132	4	42	97	29	74	0	0	0	0
2024	1,074	0	135	1	93	321	90	61	1	0	176	196
2023	473	0	118	3	3	125	2	2	0	0	0	220
2022	957	75	2	128	6	5	535	2	0	0	0	204
2021	1,019	158	0	306	171	6	213	164	1	0	0	0
2020	778	208	2	313	84	9	112	0	0	0	0	50
2019	25	0	2	3	5	11	2	2	0	0	0	0
2018	28	0	2	2	4	9	7	4	0	0	0	0
2017	20	0	0	5	5	4	4	1	1	0	0	0
2016	20	0	3	3	4	6	1	3	0	0	0	0
2015	33	0	4	3	6	7	6	6	1	0	0	0
2014	31	0	1	5	5	6	5	6	2	1	0	0
2013	29	0	0	3	9	7	2	5	3	0	0	0
2012	18	0	0	5	2	6	1	4	0	0	0	0
2011	27	0	2	3	6	7	5	3	1	0	0	0
2010	16,346	0	0	5,702	10,157	472	7	4	4	0	0	0
2009	31	0	0	4	7	7	7	5	1	0	0	0
2008	24	0	3	2	4	2	8	4	1	0	0	0
2007	21	0	1	1	6	3	5	3	2	0	0	0
2006	23	0	3	0	2	5	2	8	3	0	0	0
2005	1	0	0	1	0	0	0	0	0	0	0	0
2004	30	2	4	1	3	9	8	3	0	0	0	0
2003	46	0	4	11	9	5	3	12	2	0	0	0
2002	28	0	1	3	6	5	5	6	2	0	0	0