Solar corona data

• Data format (up to June 1957)
• 1952
• 1953
• 1954
• 1955
• 1956
• 1957
  Data format (since July 1957)
• 1957 (red+green)
• 1958 (green)   1958 (red)
• 1959 (green)   1959 (red)
• 1960 (green)   1960 (red)
• 1961 (green)   1961 (red)
• 1962 (green)   1962 (red)
• 1963 (green)   1963 (red)
• 1964 (green)   1964 (red)
• 1965 (green)   1965 (red)
• 1966 (green)   1966 (red)
• 1967 (green)   1967 (red)
• 1968 (green)   1968 (red)
• 1969 (green)   1969 (red)
• 1970 (green)   1970 (red)
• 1971 (green)   1971 (red)
• 1972 (green)   1972 (red)
• 1973 (green)   1973 (red)
• 1974 (green)   1974 (red)
• 1975 (green)   1975 (red)
• 1976 (green)   1976 (red)
• 1977 (green)   1977 (red)
• 1978 (green)   1978 (red)
• 1979 (green)   1979 (red)
• 1980 (green)   1980 (red)
• 1981 (green)   1981 (red)
• 1982 (red)
• 1983 (red)