Solar Corona 1875 April 6
1875
1875
1883
1885
1893
1878
1893
1898
1871
1869
1869
1936
1916; 1929
1916-05
1870
1869
1936
1872
1872
1870-1872
1936
1916
1916
1889
1886
1869
1869
1872
1901
1905
1936
1928
1900
1908
1927
1926
1929
1895
1895
1895
1898
1936
1872
1926
1905
1927
1898