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(NASA Crew Earth Observations)

Photographing the Earth from the International Space Station

Astronaut Photography of Earth - Display Record


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File NameFile Size (bytes)WidthHeightAnnotatedCroppedPurposeComments
View ISS002-E-5401.JPG 31459400273 No No Photographic Highlights
View ISS002-E-5401_2.JPG 43603640437 No No
View ISS002-E-5401.JPG 66803540332 Yes Yes NASA's Earth Observatory web site
View ISS002-E-5401.JPG 176733540369 Photographic Highlights(540px resized images)
View ISS002-E-5401.JPG 4879021024700 Photographic Highlightsactual files used
View ISS002-E-5401.JPG 104128030602092 NASA's Earth Observatory web site
View ISS002-E-5401.JPG 104128030602092 No No
View ISS002-E-5401.TIF 1869638230602036 No No Reef RS

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Electronic Image Data

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Mission: ISS002 Roll: E Frame: 5401 Mission ID on the Film or image: ISS002
Country or Geographic Name: TUAMOTU ARCHIPELAGO
Center Point: Latitude: -19.5 Longitude: -138.5 (Negative numbers indicate south for latitude and west for longitude)

Stereo: (Yes indicates there is an adjacent picture of the same area)


Camera Tilt: 17
Camera Focal Length: 800mm
Camera: E2: Kodak DCS460 Electronic Still Camera
Film: 3060E : 3060 x 2036 pixel CCD, RGBG array.


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


GMT Date: 20010410 (YYYYMMDD) GMT Time: 231713 (HHMMSS)
Nadir Point Latitude: -20.5, Longitude: -138.2 (Negative numbers indicate south for latitude and west for longitude)

Nadir to Photo Center Direction: North
Sun Azimuth: 310 (Clockwise angle in degrees from north to the sun measured at the nadir point)
Spacecraft Altitude: 209 nautical miles (387 km)
Sun Elevation Angle: 48 (Angle in degrees between the horizon and the sun, measured at the nadir point)
Orbit Number: 1659


This image of the Tuamotu Archipelago, French Polynesia, illustrates diversity in the morphology of atolls, one of the major types of coral reef formations. A typical atoll structure is a lagoon surrounded by a closed rim of cays and shallow spillways that control the exchange of water between the ocean and the lagoon. However, like human beings, this general scheme may vary according to the history of each individual atoll, resulting in a high diversity of morphology, especially for small atolls. Pinaki (3.54 km2) has a drying shallow lagoon still connected to the ocean via a single narrow spillway. Images such as these are useful to classify and study the atolls according to their spatial structure.

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