Sunspot Drawings Observation

Latitude Distribution of Sunspots (Butterfly Diagram)

Coordinates

Information about files (Text file)

1990	1991	1992	1993	1994	1995	1996	1997	1998
1980	1981	1982	1983	1984	1985	1986	1987	1988	1989
1970	1971	1972	1973	1974	1975	1976	1977	1978	1979
1960	1961	1962	1963	1964	1965	1966	1967	1968	1969
1950	1951	1952	1953	1954	1955	1956	1957	1958	1959
			1943	1944	1945	1946	1947	1948	1949

Sunspot Drawings, Low Resolution (jpg file, 885x645 pixels)

1990	1991	1992	1993	1994	1995	1996	1997	1998
1980	1981	1982	1983	1984	1985	1986	1987	1988	1989
1970	1971	1972	1973	1974	1975	1976	1977	1978	1979
1960	1961	1962	1963	1964	1965	1966	1967	1968	1969
1950	1951	1952	1953	1954	1955	1956	1957	1958	1959
1940	1941	1942	1943	1944	1945	1946	1947	1948	1949
								1938	1939

The drawing was made by projection onto a piece of paper, so that it is mirror-reflection of the normal view of the Sun, namely celestial north at the top and west to the left. The files are named "YYMMDDs.jpg" where 'YYMMDD' is the JST(=UT+9) date of observation.

Sunspot Drawings, High Resolution (gif file, 3.5kx2.5k pixels)

1990	1991	1992	1993	1994	1995	1996	1997	1998
1980	1981	1982	1983	1984	1985	1986	1987	1988	1989
1970	1971	1972	1973	1974	1975	1976	1977	1978	1979
1960	1961	1962	1963	1964	1965	1966	1967	1968	1969
1950	1951	1952	1953	1954	1955	1956	1957	1958	1959
1940	1941	1942	1943	1944	1945	1946	1947	1948	1949
								1938	1939

The drawing was made by projection onto a piece of paper, so that it is mirror-reflection of the normal view of the Sun, namely celestial north at the top and west to the left. The files are named "YYMMDDs.jpg" where 'YYMMDD' is the JST(=UT+9) date of observation.