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Photographing the Earth from the International Space Station

Astronaut Photography of Earth - Display Record

ISS034-E-41528

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File NameFile Size (bytes)WidthHeightAnnotatedCroppedPurposeComments
View ISS034-E-41528.JPG 66005640426 No No
View ISS034-E-41528.JPG 229685540359 Yes Yes NASA's Earth Observatory web site
View ISS034-E-41528.JPG 3310141440960 No Yes NASA's Earth Observatory web site
View ISS034-E-41528.JPG 5985181000665 No Yes NASA's Earth Observatory web site
View ISS034-E-41528.JPG 79627542562832 No No

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Identification

Mission: ISS034 Roll: E Frame: 41528 Mission ID on the Film or image: ISS034
Country or Geographic Name: ATLANTIC OCEAN I(S).
Features: TRISTAN DA CUNHA ISLAND, VOLCANO, LAVA FLOWS, QUEEN MARY'S PEAK
Center Point: Latitude: -37.1 Longitude: -12.3 (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: 20
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.

Quality

Film Exposure:
Percentage of Cloud Cover: 25 (11-25)

Nadir

GMT Date: 20130206 (YYYYMMDD) GMT Time: 083959 (HHMMSS)
Nadir Point Latitude: -37.7, Longitude: -11.1 (Negative numbers indicate south for latitude and west for longitude)

Nadir to Photo Center Direction: Northwest
Sun Azimuth: 87 (Clockwise angle in degrees from north to the sun measured at the nadir point)
Spacecraft Altitude: 219 nautical miles (406 km)
Sun Elevation Angle: 29 (Angle in degrees between the horizon and the sun, measured at the nadir point)
Orbit Number:

Captions

Tristan da Cunha, South Atlantic Ocean

The island of Tristan da Cunha is located in the southern Atlantic Ocean; more than 3700 km from the northern coastline of Antarctica, approximately 2800 km to the southern tip of Africa, and more than 3000 km from the eastern coastline of South America. The island forms part of the British Overseas Territory of Saint Helena, Ascension, and Tristan da Cunha. The shoreline of the 13 km-wide island is marked on most sides by steep cliffs, with lower beach areas on the southern and north-northwestern sides. The island is notable for its bird population, including important breeding grounds for a variety of petrels, albatrosses, penguins and shearwaters.

Tristan da Cunha is a shield volcano, a type of volcanic structure usually recognized by a low, broad profile and composed of silica-poor lavas (such as basalt). The upper surface of this low base appears dark green in this astronaut photograph. Steeper, brown to tan colored slopes mark the central cone of the volcano at the islandís center. The summit crater, Queen Maryís Peak, sits at an elevation of 2060 meters above sea level. While geologic evidence indicates that eruptions have occurred from the central crater, lavas have also erupted from flank vents along the sides of the volcano as well as smaller cinder cones.

The last known eruption of Tristan da Cunha took place 1961-1962 and forced evacuation of the only settlement on the island, Edinburgh of the Seven Seas. The settlement is located along the northern coastline of the island (obscured by clouds in this image). This is considered to be the most remote permanent settlement on Earth, with its citizenís nearest neighbors located 2173 km to the northeast on the island of St. Helena.


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