	British Astronomical Association Supporting amateur astronomers since 1890		Home	Login
			Help

Observation Summary for Variable Star DELTA CEP

Total observations:	3,423		Minimum magnitude:	4.900	Maximum magnitude:	2.900
First observation:	JD 2414902.426000	\	4 Sep 1899 22:13:26.400000 UT	Latest observation:	JD 2460735.337000	\	28 Feb 2025 20:05:16.800000 UT

Observation Method	Number of Observations
Visual	3,418
CCD	5

Year	Total	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2025	2	1	1	0	0	0	0	0	0	0	0	0	0
2021	1	0	0	1	0	0	0	0	0	0	0	0	0
2020	11	0	1	0	1	7	1	1	0	0	0	0	0
2019	2	1	0	0	0	1	0	0	0	0	0	0	0
2018	22	4	3	1	0	3	2	1	1	1	1	0	5
2017	49	2	1	0	0	0	0	2	3	7	15	8	11
2016	37	2	1	0	2	0	0	4	6	2	8	7	5
2015	28	0	1	0	0	0	0	1	7	6	10	2	1
2014	9	1	1	0	0	0	0	2	1	2	1	1	0
2013	1	1	0	0	0	0	0	0	0	0	0	0	0
2012	2	0	1	0	0	0	0	1	0	0	0	0	0
2011	5	1	0	0	0	0	1	1	0	1	0	0	1
2010	3	0	0	0	0	0	0	0	0	0	2	0	1
2009	3	0	0	0	0	0	0	2	0	1	0	0	0
2008	21	3	7	2	1	2	0	2	1	0	0	1	2
2007	35	0	0	0	0	0	0	0	0	35	0	0	0
2006	75	3	4	4	9	7	2	7	2	8	8	13	8
2004	100	10	11	11	8	4	2	2	8	14	9	8	13
2003	47	10	12	11	6	6	2	0	0	0	0	0	0
2002	62	0	0	0	2	5	7	1	7	12	11	10	7
2000	25	3	1	0	0	0	0	2	6	8	4	0	1
1999	104	24	21	18	23	11	5	0	0	1	0	0	1
1998	226	18	17	6	13	19	17	20	30	19	28	24	15
1997	265	27	22	23	9	26	14	16	32	39	30	8	19
1996	337	6	29	13	12	33	35	31	31	37	43	39	28
1995	274	22	19	17	11	15	22	27	48	29	31	24	9
1991	29	11	0	0	0	0	0	0	5	10	2	0	1
1990	346	27	26	18	18	25	24	38	35	54	29	23	29
1987	3	1	1	1	0	0	0	0	0	0	0	0	0
1986	22	6	0	1	2	3	0	2	0	1	4	0	3
1985	41	0	0	6	7	3	1	4	6	4	3	5	2
1979	11	0	0	0	0	0	0	9	2	0	0	0	0
1976	34	3	2	2	2	1	0	4	20	0	0	0	0
1975	28	1	2	2	0	0	0	1	5	10	2	2	3
1974	27	0	0	3	6	1	0	0	7	6	0	1	3
1973	44	3	0	4	5	0	0	8	7	9	2	2	4
1972	52	6	6	7	13	3	0	0	8	7	0	0	2
1970	6	0	0	1	0	2	1	2	0	0	0	0	0
1929	1	0	0	0	1	0	0	0	0	0	0	0	0
1928	1	0	0	1	0	0	0	0	0	0	0	0	0
1925	64	14	8	12	10	12	3	3	1	1	0	0	0
1906	282	19	23	37	43	25	32	15	21	21	34	12	0
1905	303	19	38	30	14	22	25	54	20	37	21	10	13
1904	108	2	0	4	5	6	5	20	7	3	19	22	15
1903	35	6	4	1	0	5	0	8	6	0	0	1	4
1902	93	13	5	11	10	9	2	10	3	2	13	7	8
1901	85	5	6	8	7	0	3	12	5	2	18	9	10
1900	61	0	0	0	0	0	0	5	1	1	9	22	23
1899	1	0	0	0	0	0	0	0	0	1	0	0	0