Charted Supernovae.

[Source: Asiago Supernova Catalog, 1991(5)]

Declination +50° 1909A 1912A 1917A 1937A 1939C 1940A 1940C 1940D 1946A 1948B 1951H 1953G 1953H? 1954C 1955A 1955E 1956A 1957A 1963J 1963K 1963O 1964A 1964E 1964O 1965L 1965O 1968D 1968J 1969B 1969P 1970E 1970F 1970G 1972B 1972R 1973C 1973V 1974C 1974D 1975E 1975G 1975T 1976C 1976M? 1978B 1978H 1979B 1980B 1980D 1980K 1982W 1983B 1982X 1983W 1984B 1984Q 1987C 1988L 1988N 1988R? 1990?? 1991F 1991G 1991N 1991Y? Declination +60° 1950M 1954J 1954K 1971M 1972G 1976N? 1977C 1982Y 1985H 1988J? 1989P? 1989X? 1991ae 1991an 1991au Declination +70° 1972H 1978F 1985A 1987M 1989D Declination +80° 1962Q 1968V 1968W 1977E 1982B 1987L The breakdown of supernovae in the declination bins are as follows: +50 +60 +70 +80 / +90 65 15 5 6 This yields a percentage ratio of: 71% of SNe occured in the +50 dec. bin. 16% of SNe occured in the +60 dec. bin. .05% of SNe occured in the +70 dec. bin. .06% of SNe occured in the +80/+90 dec. bin. (note: the .02% is deleted to round off numbers) List of Supernovae All types of galaxies where involved in the data, however the most prolific are listed in order of events that occured within: Sc ? S Sb Sbc Scd SO SBb E IOp Sa SBbc SBcd P Sd SBc Sbcp Int SOp Sab E2 17 12 11 9 8 7 3 3 2 2 2 2 2 1 1 1 1 1 1 1 1 The (?) type or lack of one probably denotes the rather fainter SNe that were discovered and the types of the host galaxies were not easily discernable?