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Observation Summary for Variable Star DDE 21

Total observations:	111		Minimum magnitude:	17.700	Maximum magnitude:	14.800
First observation:	JD 2455770.613200	\	28 Jul 2011 02:43:00.480000 UT	Latest observation:	JD 2460954.426400	\	5 Oct 2025 22:14:00.960000 UT

Observation Method	Number of Observations
Visual	77
CCD	34

Year	Total	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2025	9	2	2	1	1	2	0	1	0	0
2023	2	0	0	0	0	0	1	0	1	0
2022	45	1	1	5	13	11	6	6	1	1
2021	39	0	2	8	8	6	2	8	3	2
2020	8	0	1	0	0	0	3	2	2	0
2014	1	0	0	0	0	0	0	1	0	0
2013	1	0	0	0	0	1	0	0	0	0
2011	6	0	0	0	1	4	1	0	0	0