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Observation Summary for Variable Star V391 LYR

Total observations:	670		Minimum magnitude:	17.871	Maximum magnitude:	14.100
First observation:	JD 2453359.265300	\	19 Dec 2004 18:22:01.920000 UT	Latest observation:	JD 2460978.352100	\	29 Oct 2025 20:27:01.440000 UT

Observation Method	Number of Observations
Visual	568
CCD	102

Year	Total	Jan	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2025	43	0	0	2	11	4	5	11	7	3	0	0
2024	43	0	0	1	5	6	9	8	4	6	4	0
2023	66	0	0	0	12	12	12	13	7	5	5	0
2022	53	0	1	0	5	6	14	12	8	5	2	0
2021	42	0	0	0	4	8	8	5	5	8	3	1
2020	31	0	0	0	0	2	7	4	10	5	3	0
2017	5	0	0	0	2	2	1	0	0	0	0	0
2016	14	0	0	0	0	0	0	7	4	3	0	0
2015	1	0	0	0	1	0	0	0	0	0	0	0
2014	22	0	0	0	3	5	7	4	1	2	0	0
2013	20	0	0	0	3	2	3	4	3	3	2	0
2012	28	0	0	0	7	0	4	4	5	2	5	1
2011	71	0	0	15	26	6	4	6	4	4	5	1
2010	47	2	0	0	11	32	0	0	0	2	0	0
2009	51	0	0	4	7	7	10	6	5	3	6	3
2008	47	1	0	3	2	10	7	5	5	8	2	4
2007	42	1	0	3	5	5	5	9	3	3	4	4
2006	43	0	0	0	2	6	11	6	3	6	7	2
2004	1	0	0	0	0	0	0	0	0	0	0	1