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The Gateway to Astronaut Photography of Earth
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Astronaut Photography of Earth - Display Record
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IdentificationMission: ISS032 Roll: E Frame: 17547 Mission ID on the Film or image: ISS032
Country or Geographic Name: TURKEY
Features: ISTANBUL AT NIGHT
Center Point: Latitude: 41.1 Longitude: 29.1 (Negative numbers indicate south for latitude and west for longitude)
Stereo: (Yes indicates there is an adjacent picture of the same area)
ONC Map ID: JNC Map ID:
CameraCamera Tilt: 45
Camera Focal Length: 400mm
Camera: N5: Nikon D3S
Film: 4256E : 4256 x 2832 pixel CMOS sensor, 36.0mm x 23.9mm, total pixels: 12.87 million, Nikon FX format.
Percentage of Cloud Cover: 10 (0-10)
GMT Date: 20120809 (YYYYMMDD) GMT Time: 233820 (HHMMSS)
Nadir Point Latitude: 43.6, Longitude: 31.6 (Negative numbers indicate south for latitude and west for longitude)
Nadir to Photo Center Direction: Southwest
Sun Azimuth: 27 (Clockwise angle in degrees from north to the sun measured at the nadir point)
Spacecraft Altitude: 214 nautical miles (396 km)
Sun Elevation Angle: -27 (Angle in degrees between the horizon and the sun, measured at the nadir point)
CaptionsIstanbul, Turkey at Night
Most of Istanbul’s Asian suburbs (image right) appear in this night view from the International Space Station, but only about half the area of the city on the European side (image left) can be seen. The margins of the metropolitan area are clearly visible at night, more so than in daylight images. The Bosporus strait (also spelled Bosphorus) (image center left) famously separates the two halves of the city, and links the small Sea of Marmara (and the Mediterranean Sea to its south) to the Black Sea (indistinguishable in this night view, top right). The strait is 31 km long, most of which is visible in this view. The Bosporus is a very busy waterway, with larger ships passing to and from the Black Sea competing with numerous ferries that cross between the two halves of the city.
Apart from the dark Sea of Marmara (lower margin of the image), the other large dark areas are all wooded hills which provide open spaces for the densely populated city of Istanbul – one of the largest in Europe with 13.5 million inhabitants. The old city occupies the prominent point at the entrance to the strait. Major traffic arteries are the brighter lines crossing the metropolitan area, and also mark all the shorelines. The First Bosporus Bridge and Second Bridge (also known as the Fatih Sultan Mehmet Bridge) can be seen spanning the strait. The brilliant lights of both international airports serving the region also stand out at image lower left and image lower right.
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Recommended Citation: Earth Science and Remote Sensing Unit, NASA-Johnson Space Center. "The Gateway to Astronaut Photography of Earth." .