Film positive (7 3/4" x 9 7/8") Nebula N.G.C. 4565
1923
1923
1895
1909
1923
1919
1875
1885
1861
1909
1883
1883
1917
1893
1878
1893
1898
1871
1936
1916; 1929
1916-05
1915
1909-1921
1927
1927
1931
1926
1907
1931
1926
1910
1929
1910-07
1910-07-04
1895
1910
1910
1910
1910
1910
1883
1912
1911
1905
1937
1934
1883
1910
1910
1911