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Observatory List and IAGA Code
Observatories
IAGA Code
Data Resolution
Agincourt
AGN
HR
Year
J
F
M
A
M
J
J
A
S
O
N
D
1932
1
1
1
1
1
1
1
1
1
1
1
1
1933
1
1
1
1
1
1
1
1
1
1
1
1
1934
1
1
1
1
1
1
1
1
1
1
1
1
1935
1
1
1
1
1
1
1
1
1
1
1
1
1936
1
1
1
1
1
1
1
1
1
1
1
1
1937
1
1
1
1
1
1
1
1
1
1
1
1
1938
1
1
1
1
1
1
1
1
1
1
1
1
1939
1
1
1
1
1
1
1
1
1
1
1
1
1940
1
1
1
1
1
1
1
1
1
1
1
1
1941
1
1
1
1
1
1
1
1
1
1
1
1
1942
1
1
1
1
1
1
1
1
1
1
1
1
1943
1
1
1
1
1
1
1
1
1
1
1
1
1944
1
1
1
1
1
1
1
1
1
1
1
1
1945
1
1
1
1
1
1
1
1
1
1
1
1
1946
1
1
1
1
1
1
1
1
1
1
1
1
1947
1
1
1
1
1
1
1
1
1
1
1
1
1948
1
1
1
1
1
1
1
1
1
1
1
1
1949
1
1
1
1
1
1
1
1
1
1
1
1
1950
1
1
1
1
1
1
1
1
1
1
1
1
1951
1
1
1
1
1
1
1
1
1
1
1
1
1952
1
1
1
1
1
1
1
1
1
1
1
1
1953
1
1
1
1
1
1
1
1
1
1
1
1
1954
1
1
1
1
1
1
1
1
1
1
1
1
1955
1
1
1
1
1
1
1
1
1
1
1
1
1956
1
1
1
1
1
1
1
1
1
1
1
1
1957
1
1
1
1
1
1
1
1
1
1
1
1
1958
1
1
1
1
1
1
1
1
1
1
1
1
1959
1
1
1
1
1
1
1
1
1
1
1
1
1960
1
1
1
1
1
1
1
1
1
1
1
1
1961
1
1
1
1
1
1
1
1
1
1
1
1
1962
1
1
1
1
1
1
1
1
1
1
1
1
1963
1
1
1
1
1
1
1
1
1
1
1
1
1964
1
1
1
1
1
1
1
1
1
1
1
1
1965
1
1
1
1
1
1
1
1
1
1
1
1
1966
1
1
1
1
1
1
1
1
1
1
1
1
1967
1
1
1
1
1
1
1
1
1
1
1
1
1968
1
1
1
1
1
1
1
1
1
1
1
1