
Solar Corona 1893 April 16
1893
1893
1871
1926
1926
1872
1860-1868
1936
1880
1878
1911
1861
1861
1861
1872-1884
1936
1898
1893
1883
1885
1875
1878
1869
1869
1869
1872
1916-05
1916; 1929
1917
1870
1872
1926
1926
1917
1916
1916
1869
1869
1886
1889
1870-1872
1936
1878
1861
1861
1878
1872
1858-1861
1878
1926