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Observation Summary for Variable Star R BOO

Total observations:	9,979		Minimum magnitude:	13.030	Maximum magnitude:	5.970
First observation:	JD 2400508.500000	\	8 Apr 1860 00:00:00.000000 UT	Latest observation:	JD 2460960.284030	\	11 Oct 2025 18:49:00.192000 UT

Observation Method	Number of Observations
Visual	9,897
CCD	33
DSLR	49

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Summary by Year and Month

Year	Total	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2025	35	0	1	3	2	9	7	7	4	1	1	0	0
2024	27	0	1	7	8	7	1	0	2	0	0	0	1
2023	31	3	3	1	2	3	2	3	8	5	1	0	0
2022	24	1	1	1	2	3	6	3	2	1	1	1	2
2021	51	0	7	13	16	5	0	0	0	3	4	3	0
2020	48	3	3	5	9	5	2	11	6	4	0	0	0
2019	47	0	3	3	10	11	8	1	2	3	2	1	3
2018	42	3	10	11	4	0	1	3	1	2	6	1	0
2017	21	2	0	1	1	4	3	5	3	1	1	0	0
2016	37	0	0	6	9	8	3	0	0	0	0	5	6
2015	30	7	7	4	0	0	0	0	5	6	1	0	0
2014	37	5	0	0	0	6	9	10	3	0	0	0	4
2013	28	0	0	5	9	3	0	0	0	0	1	4	6
2012	23	6	6	0	0	0	0	4	4	3	0	0	0
2011	32	0	0	0	8	10	10	1	0	0	0	0	3
2010	26	0	3	4	8	1	0	0	0	2	4	3	1
2009	25	3	0	0	1	9	2	5	4	1	0	0	0
2008	23	0	0	2	7	6	3	0	0	0	0	2	3
2007	9	1	0	2	0	0	0	0	0	3	2	1	0
2006	12	1	0	0	0	2	2	6	1	0	0	0	0
2005	6	0	0	0	2	2	0	0	0	0	0	1	1
2004	3	1	0	0	0	0	0	0	1	1	0	0	0
2003	3	0	0	0	0	3	0	0	0	0	0	0	0
2002	6	0	0	1	2	1	1	1	0	0	0	0	0
2001	9	1	1	0	0	0	0	2	4	1	0	0	0
2000	17	0	0	0	2	7	2	0	3	1	1	0	1
1999	21	1	1	3	3	3	2	1	3	2	2	0	0
1998	27	4	3	4	3	3	4	0	1	2	1	1	1
1997	56	0	0	3	9	10	9	1	4	4	9	2	5
1996	18	0	1	0	0	0	1	1	8	5	2	0	0
1995	5	0	0	0	0	1	1	2	1	0	0	0	0
1994	13	0	2	4	2	2	1	0	0	0	0	1	1
1993	15	3	1	2	3	2	1	0	1	2	0	0	0
1992	15	0	0	0	2	3	5	2	2	0	0	0	1
1991	7	1	3	1	1	0	0	0	0	0	1	0	0
1990	7	1	0	0	0	0	1	3	2	0	0	0	0
1989	9	0	0	1	3	5	0	0	0	0	0	0	0
1988	4	1	2	1	0	0	0	0	0	0	0	0	0
1987	7	0	0	0	0	0	3	3	1	0	0	0	0
1986	11	0	0	4	4	1	0	0	0	0	0	1	1
1985	5	1	1	0	0	0	0	0	2	1	0	0	0
1984	7	0	0	0	0	1	4	2	0	0	0	0	0
1983	6	0	0	0	4	2	0	0	0	0	0	0	0
1982	8	0	0	0	0	0	0	3	3	2	0	0	0
1981	7	0	0	0	0	5	2	0	0	0	0	0	0
1980	8	0	2	3	1	0	0	0	0	0	0	1	1
1979	8	1	0	0	0	0	0	5	2	0	0	0	0
1974	58	5	5	4	4	6	5	7	7	5	1	7	2
1973	126	2	12	14	16	13	16	12	26	7	2	2	4
1972	111	5	4	16	14	14	10	10	12	11	8	7	0
1971	218	3	12	20	25	24	18	35	27	30	19	3	2
1970	164	5	9	17	16	20	26	25	20	14	5	2	5
1969	184	6	9	18	33	18	29	13	15	12	9	17	5
1968	178	9	11	14	10	23	32	30	22	15	7	3	2
1967	221	5	11	33	22	32	47	29	16	8	6	8	4
1966	99	2	5	13	10	11	6	9	18	12	7	1	5
1965	78	9	1	7	5	13	15	7	14	4	1	1	1
1964	98	0	3	6	12	19	10	15	11	14	4	1	3
1963	80	0	5	9	5	4	1	18	17	11	7	1	2
1962	31	2	2	1	3	1	5	11	4	2	0	0	0
1961	41	0	2	6	9	9	3	0	4	3	4	1	0
1960	31	3	2	4	3	3	4	6	4	2	0	0	0
1959	33	1	2	3	3	3	3	3	4	8	3	0	0
1958	9	2	1	1	2	0	1	1	0	0	1	0	0
1957	13	1	2	3	2	1	1	1	0	1	1	0	0
1956	13	2	0	1	2	3	0	0	2	2	1	0	0
1955	22	1	1	3	2	2	2	2	3	4	1	0	1
1954	22	1	0	2	5	2	1	1	2	2	5	1	0
1953	42	1	1	6	5	10	1	3	6	4	3	2	0
1952	29	1	1	4	3	4	1	5	5	2	1	0	2
1951	38	1	1	3	4	4	4	5	6	5	4	1	0
1950	23	1	5	4	1	2	2	2	2	0	3	1	0
1948	58	2	1	6	9	9	2	6	9	8	4	0	2
1947	2	0	0	0	1	0	0	1	0	0	0	0	0
1946	127	2	7	14	24	19	11	21	11	12	3	0	3
1945	83	0	0	13	9	11	7	12	13	4	13	0	1
1944	40	1	0	7	4	1	1	1	9	11	5	0	0
1943	45	0	1	4	5	7	9	6	8	5	0	0	0
1942	12	0	0	0	1	2	0	0	3	5	1	0	0
1941	22	3	4	4	0	0	0	0	2	7	2	0	0
1940	138	6	5	13	21	31	18	11	10	7	5	5	6
1939	167	9	14	20	27	16	10	13	22	13	11	5	7
1938	28	5	6	7	7	3	0	0	0	0	0	0	0
1937	168	9	13	9	20	31	20	19	17	10	8	7	5
1936	130	8	10	12	13	19	8	8	20	15	8	4	5
1935	168	10	12	12	16	21	22	21	25	10	7	6	6
1934	264	11	11	31	27	36	17	32	24	35	16	11	13
1933	292	16	19	34	33	23	24	36	41	36	17	6	7
1932	289	14	21	29	46	30	37	30	31	20	11	9	11
1931	343	15	26	47	31	31	21	21	28	35	49	28	11
1930	238	21	15	23	22	16	27	18	37	26	17	5	11
1929	259	8	12	38	35	37	19	19	20	32	12	11	16
1928	342	22	26	31	30	18	13	36	34	62	44	16	10
1927	237	17	16	19	29	22	26	25	35	21	7	9	11
1926	225	9	9	26	21	19	16	20	27	28	20	20	10
1925	167	16	12	15	13	13	23	17	14	18	8	9	9
1924	209	14	15	22	27	30	21	22	17	9	7	7	18
1923	166	6	8	15	24	15	10	10	18	24	12	12	12
1922	152	10	14	14	12	23	11	16	19	11	12	7	3
1921	197	9	10	28	37	26	24	18	15	10	8	7	5
1920	208	26	23	23	16	21	14	11	17	16	20	15	6
1919	184	14	10	12	12	28	26	25	23	15	8	6	5
1918	164	9	13	22	17	25	14	11	7	15	11	11	9
1917	185	11	11	16	14	13	12	24	24	24	15	11	10
1916	124	13	6	6	11	15	15	12	11	11	8	6	10
1915	179	6	14	19	24	32	11	13	10	13	12	16	9
1914	172	12	14	15	21	16	22	16	17	19	6	7	7
1913	179	10	8	11	18	37	33	17	11	11	6	7	10
1912	138	2	0	16	16	11	10	11	6	15	23	14	14
1911	42	3	3	2	2	4	5	11	2	3	5	1	1
1910	55	1	4	2	2	10	14	9	6	3	1	2	1
1909	167	12	15	15	29	28	7	10	6	16	11	12	6
1908	135	11	15	7	7	12	23	26	18	9	1	0	6
1907	117	2	2	13	16	25	23	14	4	2	3	5	8
1906	170	10	18	14	25	13	12	8	15	19	16	14	6
1905	3	0	0	1	1	1	0	0	0	0	0	0	0
1904	11	0	0	0	6	2	2	1	0	0	0	0	0
1903	1	0	0	0	0	0	0	0	1	0	0	0	0
1902	15	0	0	0	0	4	4	5	2	0	0	0	0
1901	45	0	1	11	18	14	0	0	0	1	0	0	0
1900	6	0	0	0	0	0	0	0	2	4	0	0	0
1899	10	0	0	0	0	6	4	0	0	0	0	0	0
1891	8	0	0	1	1	5	1	0	0	0	0	0	0
1886	7	0	0	3	2	1	1	0	0	0	0	0	0
1885	15	0	0	2	5	2	2	2	1	1	0	0	0
1884	15	0	1	2	2	3	1	0	1	3	2	0	0
1883	2	0	0	2	0	0	0	0	0	0	0	0	0
1882	7	0	0	1	3	1	0	1	0	1	0	0	0
1881	14	0	0	0	2	2	0	2	4	1	2	1	0
1880	25	0	1	1	2	5	3	4	5	3	1	0	0
1879	14	0	1	5	1	0	0	0	2	2	2	1	0
1878	30	0	1	4	3	4	2	5	6	4	1	0	0
1868	4	0	0	0	3	1	0	0	0	0	0	0	0
1867	6	0	1	0	2	0	0	2	1	0	0	0	0
1866	16	0	2	2	4	4	2	2	0	0	0	0	0
1865	6	0	0	1	3	2	0	0	0	0	0	0	0
1864	24	0	0	0	4	7	3	7	1	1	1	0	0
1863	19	0	0	2	7	7	3	0	0	0	0	0	0
1860	11	0	0	0	7	4	0	0	0	0	0	0	0