Thijs Postma - Poster - Messerschmitt Bf 109E Swiss Patrol PH-TDF The orangish cloudy formation in

The orangish cloudy formation in the bottom half varies in density and ranges from translucent to opaque

have a blue or orange hue

3-micron in red (filters F090W

See this Gloster Gladiator defending the island of Malta against the Italians in the Second World War

They follow invisible concentric circles that curve around the center of the image

Thijs Postma - Poster - Messerschmitt Bf 109E Swiss Patrol PH-TDF The orangish cloudy formation inAdmire the landscape of an Alpine lake in Berner Oberland where this Messerschmitt Bf 109E 2 is doing a neutrality patrol in 1941. Switzerland received 80 aircraft of the Bf 109 E version. The Messerschmitt Bf 109 was together with the Focke Wulf 190 the most important Luftwaffe fighter during World War II.