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Photographing the Earth from the International Space Station

Astronaut Photography of Earth - Display Record

ISS018-E-43947

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File NameFile Size (bytes)WidthHeightAnnotatedCroppedPurposeComments
View ISS018-E-43947.JPG 68475640437 No No
View ISS018-E-43947.JPG 261147540360 Yes Yes NASA's Earth Observatory web site
View ISS018-E-43947.JPG 5296101000661 No Yes NASA's Earth Observatory web site
View ISS018-E-43947.JPG 59568630722098 No No

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Electronic Image Data

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Identification

Mission: ISS018 Roll: E Frame: 43947 Mission ID on the Film or image: ISS018
Country or Geographic Name: NAMIBIA
Features: FLOODED ETOSHA PAN, EKUMA R. FLOODS
Center Point: Latitude: -18.7 Longitude: 16.5 (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:

Camera

Camera Tilt: 4
Camera Focal Length: 50mm
Camera: N2: Nikon D2Xs
Film: 4288E : 4288 x 2848 pixel CMOS sensor, RGBG imager color filter.

Quality

Film Exposure:
Percentage of Cloud Cover: 10 (0-10)

Nadir

GMT Date: 20090326 (YYYYMMDD) GMT Time: 102126 (HHMMSS)
Nadir Point Latitude: -18.6, Longitude: 16.3 (Negative numbers indicate south for latitude and west for longitude)

Nadir to Photo Center Direction: East
Sun Azimuth: 26 (Clockwise angle in degrees from north to the sun measured at the nadir point)
Spacecraft Altitude: 196 nautical miles (363 km)
Sun Elevation Angle: 67 (Angle in degrees between the horizon and the sun, measured at the nadir point)
Orbit Number: 3292

Captions

Etosha Pan, Namibia

This International Space Station image from March 26, 2009, shows Namibia’s Etosha Pan, which is a large, dry lake about 130 kilometers long. The lake dominates Namibia’s Etosha National Park (the sharp edge of the park fence can be seen at image right). Small, related dry lake beds appear as bright shapes at top left, and a portion of the International Space Station appears at image top right.

The pan is the low point in a major inland basin in northern Namibia. During major flood events, such as those experienced in the last nine months, rivers from Angola (the Namibia–Angola boundary lies just outside the top of the image) deliver large quantities of water to the pan. In this image, flood water in the Oshigambo River, resulting from recent heavy rains in Angola, appears as a gray stream entering the northwest corner of the pan (image top left). The floodwater becomes a thin sheet on the vast salt flat of the pan floor. Algae blooms in the warm water have produced a light green tinge. This view shows the pan as it appeared almost ten years ago. Another astronaut image shows the Oshigambo River in flood in 2006.

Reports on the ground combined with satellite imagery acquired after this astronaut photograph indicate that the plains north of the pan are now flooded, and considerable damage to homesteads, crops, and roads has occurred. More than 340,000 people have been affected in northern Namibia and about 250,000 in southern Angola.


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