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Observation Summary for Variable Star IO DEL

Total observations:	892		Minimum magnitude:	19.600	Maximum magnitude:	14.000
First observation:	JD 2449919.530500	\	21 Jul 1995 00:43:55.200000 UT	Latest observation:	JD 2460978.336100	\	29 Oct 2025 20:03:59.040000 UT

Observation Method	Number of Observations
Visual	797
CCD	95

Year	Total	Jan	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2025	15	0	0	0	0	4	3	4	4	0	0
2024	47	0	1	1	5	10	9	9	6	5	1
2023	39	0	0	0	3	10	6	5	3	12	0
2022	44	0	0	0	3	9	15	6	7	4	0
2021	26	0	0	0	2	8	7	3	3	2	1
2020	24	0	0	0	2	6	2	10	4	0	0
2019	23	0	0	0	1	5	5	5	6	1	0
2018	24	0	0	0	3	5	4	5	5	2	0
2017	19	0	0	0	0	2	6	3	3	3	2
2016	21	0	0	1	0	4	6	5	3	2	0
2015	20	0	0	0	3	4	4	5	3	1	0
2014	27	1	0	0	4	7	5	4	3	3	0
2013	17	0	0	0	0	2	4	3	2	3	3
2012	14	0	0	0	0	3	3	2	2	3	1
2011	24	0	0	0	0	3	7	5	4	5	0
2010	3	0	0	0	0	0	0	0	3	0	0
2009	34	0	0	1	2	10	9	3	3	4	2
2008	38	0	0	0	5	6	11	8	5	1	2
2007	22	0	0	0	1	3	6	3	4	3	2
2006	32	0	0	0	0	8	6	3	6	7	2
2004	22	0	0	1	2	2	4	4	6	1	2
2003	39	0	0	1	2	11	9	4	6	4	2
2002	33	0	0	1	3	6	4	4	5	6	4
2001	31	0	2	5	3	7	4	3	0	6	1
2000	33	0	0	1	3	5	9	3	6	5	1
1999	36	0	0	2	5	8	5	3	4	5	4
1998	33	0	1	4	3	4	8	3	5	5	0
1997	52	0	3	10	4	5	8	9	8	3	2
1996	64	0	2	5	7	14	10	6	6	9	5
1995	36	0	0	0	0	6	7	8	9	3	3