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British Astronomical Association Supporting amateur astronomers since 1890 |
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Total observations: | 7,259 | Minimum magnitude: | 12.640 | Maximum magnitude: | 7.650 | ||
First observation: | JD 2421233.000000 | \ | 4 Jan 1917 12:00:00.000000 UT | Latest observation: | JD 2460192.392000 | \ | 4 Sep 2023 21:24:28.800000 UT |
Observation Method | Number of Observations |
---|---|
Visual | 7,258 |
CCD | 1 |
Year | Total | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2023 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
2022 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 |
2021 | 3 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
2020 | 14 | 1 | 0 | 1 | 1 | 2 | 0 | 2 | 1 | 2 | 1 | 2 | 1 |
2019 | 4 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 |
2018 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 1 | 0 | 2 |
2012 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
2002 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 |
2000 | 27 | 2 | 4 | 0 | 2 | 4 | 2 | 1 | 4 | 3 | 2 | 2 | 1 |
1999 | 20 | 1 | 2 | 1 | 3 | 2 | 1 | 2 | 3 | 3 | 2 | 0 | 0 |
1998 | 26 | 2 | 0 | 3 | 1 | 3 | 1 | 2 | 4 | 4 | 3 | 1 | 2 |
1997 | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 6 | 8 | 1 | 2 |
1996 | 9 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 2 | 3 | 1 | 0 |
1974 | 94 | 12 | 12 | 6 | 4 | 6 | 6 | 8 | 8 | 9 | 7 | 9 | 7 |
1973 | 212 | 25 | 23 | 30 | 11 | 9 | 13 | 8 | 24 | 18 | 18 | 20 | 13 |
1972 | 169 | 14 | 16 | 25 | 17 | 12 | 10 | 12 | 11 | 11 | 16 | 18 | 7 |
1971 | 207 | 12 | 18 | 19 | 14 | 19 | 11 | 20 | 20 | 23 | 25 | 19 | 7 |
1970 | 170 | 13 | 15 | 16 | 9 | 10 | 10 | 12 | 18 | 19 | 12 | 18 | 18 |
1969 | 168 | 10 | 13 | 17 | 14 | 8 | 15 | 15 | 12 | 9 | 21 | 21 | 13 |
1968 | 76 | 4 | 2 | 3 | 1 | 4 | 3 | 9 | 11 | 14 | 5 | 11 | 9 |
1967 | 113 | 8 | 4 | 7 | 4 | 6 | 7 | 12 | 15 | 8 | 18 | 13 | 11 |
1966 | 95 | 3 | 5 | 8 | 3 | 8 | 4 | 10 | 13 | 12 | 10 | 10 | 9 |
1965 | 87 | 15 | 8 | 10 | 5 | 4 | 3 | 1 | 10 | 7 | 10 | 10 | 4 |
1964 | 97 | 11 | 16 | 5 | 4 | 8 | 6 | 8 | 13 | 10 | 7 | 5 | 4 |
1963 | 89 | 9 | 9 | 10 | 6 | 7 | 3 | 9 | 7 | 5 | 4 | 10 | 10 |
1962 | 62 | 8 | 5 | 3 | 2 | 0 | 4 | 3 | 6 | 5 | 7 | 8 | 11 |
1961 | 54 | 4 | 2 | 11 | 1 | 4 | 1 | 1 | 6 | 4 | 8 | 4 | 8 |
1960 | 60 | 6 | 7 | 4 | 6 | 4 | 2 | 6 | 6 | 6 | 4 | 6 | 3 |
1959 | 27 | 1 | 0 | 1 | 1 | 1 | 1 | 2 | 3 | 4 | 5 | 3 | 5 |
1958 | 6 | 0 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 0 |
1957 | 9 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | 0 | 1 |
1956 | 8 | 1 | 0 | 1 | 1 | 1 | 0 | 2 | 0 | 1 | 0 | 1 | 0 |
1955 | 18 | 2 | 1 | 2 | 3 | 2 | 1 | 1 | 2 | 1 | 1 | 1 | 1 |
1954 | 13 | 1 | 1 | 2 | 3 | 1 | 0 | 0 | 1 | 1 | 1 | 0 | 2 |
1953 | 20 | 1 | 2 | 3 | 3 | 4 | 1 | 1 | 2 | 1 | 1 | 0 | 1 |
1952 | 19 | 2 | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 3 | 2 | 2 | 1 |
1951 | 27 | 3 | 2 | 1 | 2 | 2 | 2 | 2 | 4 | 4 | 2 | 2 | 1 |
1950 | 30 | 2 | 7 | 5 | 1 | 1 | 1 | 2 | 1 | 1 | 3 | 3 | 3 |
1949 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
1948 | 58 | 6 | 2 | 10 | 3 | 0 | 2 | 3 | 8 | 8 | 6 | 4 | 6 |
1947 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
1946 | 184 | 7 | 11 | 22 | 13 | 15 | 9 | 20 | 18 | 16 | 19 | 14 | 20 |
1945 | 123 | 3 | 6 | 11 | 6 | 4 | 7 | 11 | 21 | 17 | 18 | 8 | 11 |
1944 | 60 | 3 | 9 | 12 | 3 | 0 | 1 | 1 | 6 | 7 | 4 | 6 | 8 |
1943 | 40 | 2 | 4 | 5 | 2 | 1 | 0 | 2 | 7 | 7 | 4 | 4 | 2 |
1942 | 50 | 10 | 3 | 2 | 0 | 0 | 0 | 1 | 10 | 11 | 5 | 4 | 4 |
1941 | 47 | 6 | 7 | 2 | 1 | 0 | 0 | 1 | 5 | 8 | 5 | 5 | 7 |
1940 | 174 | 21 | 16 | 26 | 19 | 10 | 8 | 10 | 12 | 17 | 13 | 12 | 10 |
1939 | 192 | 22 | 22 | 14 | 18 | 13 | 19 | 16 | 24 | 11 | 14 | 11 | 8 |
1938 | 298 | 24 | 22 | 29 | 19 | 21 | 19 | 21 | 22 | 34 | 28 | 37 | 22 |
1937 | 160 | 9 | 16 | 7 | 9 | 11 | 12 | 8 | 15 | 22 | 16 | 18 | 17 |
1936 | 121 | 13 | 10 | 12 | 13 | 9 | 10 | 7 | 8 | 10 | 14 | 7 | 8 |
1935 | 165 | 13 | 7 | 16 | 14 | 14 | 9 | 23 | 15 | 14 | 10 | 16 | 14 |
1934 | 240 | 22 | 23 | 23 | 11 | 18 | 9 | 20 | 23 | 36 | 22 | 13 | 20 |
1933 | 269 | 23 | 23 | 35 | 27 | 14 | 14 | 25 | 34 | 23 | 18 | 17 | 16 |
1932 | 261 | 24 | 22 | 32 | 22 | 16 | 16 | 19 | 31 | 21 | 21 | 16 | 21 |
1931 | 244 | 19 | 21 | 24 | 15 | 17 | 13 | 13 | 21 | 22 | 38 | 20 | 21 |
1930 | 201 | 23 | 18 | 16 | 8 | 9 | 12 | 9 | 17 | 22 | 29 | 20 | 18 |
1929 | 276 | 20 | 13 | 28 | 19 | 15 | 13 | 22 | 25 | 45 | 26 | 23 | 27 |
1928 | 260 | 27 | 20 | 18 | 13 | 9 | 12 | 25 | 23 | 32 | 29 | 27 | 25 |
1927 | 259 | 25 | 26 | 20 | 16 | 13 | 20 | 23 | 29 | 24 | 25 | 25 | 13 |
1926 | 301 | 27 | 17 | 34 | 23 | 14 | 23 | 26 | 23 | 37 | 28 | 21 | 28 |
1925 | 237 | 19 | 24 | 21 | 12 | 11 | 29 | 24 | 19 | 15 | 12 | 25 | 26 |
1924 | 211 | 24 | 19 | 30 | 15 | 16 | 8 | 17 | 17 | 16 | 14 | 16 | 19 |
1923 | 168 | 16 | 8 | 14 | 12 | 14 | 10 | 19 | 15 | 17 | 16 | 11 | 16 |
1922 | 126 | 10 | 14 | 12 | 11 | 12 | 6 | 7 | 9 | 9 | 8 | 12 | 16 |
1921 | 144 | 12 | 10 | 16 | 11 | 9 | 10 | 13 | 9 | 21 | 15 | 9 | 9 |
1920 | 101 | 8 | 6 | 9 | 6 | 6 | 7 | 7 | 4 | 18 | 13 | 9 | 8 |
1919 | 87 | 6 | 7 | 5 | 2 | 9 | 7 | 8 | 10 | 9 | 9 | 8 | 7 |
1918 | 77 | 6 | 5 | 7 | 7 | 9 | 7 | 5 | 7 | 5 | 5 | 4 | 10 |
1917 | 49 | 5 | 3 | 3 | 3 | 3 | 4 | 3 | 5 | 5 | 3 | 5 | 7 |