Skylab 4,Earth view, An oblique view of the southern part of the Sea of Okhotsk, north of Japan, North is at the top when the picture is held with the largest land mass at the bottom. Most of the land area is Hokkaido Island, Japan. The southern tip of Sakhalin Island (Soviet Union) is in the northwest corner. Japan,Hokkaido,Kunashir,Sea of Okhotsh. Original Film Magazine was labeled CX-46. Camera Data: 70mm Hasselblad; Lens 100mm; Film Type: S0-368 Medium Speed Ektachrome. Flight Date: November 16 1973 - February 8,1974.