Transparency:- constellation of Orion
1910
1910
1883
1883
1909
1883
1876
1931
1883
1883
1883
1883
1876
1909
1883
1883
1883
1909
1883
1921
1920
1902-1904
1899
1909
1899; 1912
1899
1921
1860-1867
1963
1966
1966
1966
1922
1920
1920
1966
1966
1966