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Photographing the Earth from the International Space Station

Astronaut Photography of Earth - Display Record

ISS004-E-8973

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Images

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File NameFile Size (bytes)WidthHeightAnnotatedCroppedPurposeComments
View ISS004-E-8973.JPG 61361639435 No No From STIC, color adjusted
View ISS004-E-8973.JPG 92753540473 Yes Yes NASA's Earth Observatory web site
View ISS004-E-8973_2.JPG 100757540455 Yes Yes NASA's Earth Observatory web site
View ISS004-E-8973.JPG 99536630322064 No No From STIC, color adjusted

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Electronic Image Data

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Identification

Mission: ISS004 Roll: E Frame: 8973 Mission ID on the Film or image: ISS004
Country or Geographic Name: LESSER ANTILLES
Features: MONTSERRAT, VOLCANIC PLUME
Center Point: Latitude: 16.5 Longitude: -62.0 (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: 800mm
Camera: E4: Kodak DCS760C Electronic Still Camera
Film: 3060E : 3060 x 2036 pixel CCD, RGBG array.

Quality

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

Nadir

GMT Date: 20020320 (YYYYMMDD) GMT Time: 123551 (HHMMSS)
Nadir Point Latitude: 16.4, Longitude: -61.8 (Negative numbers indicate south for latitude and west for longitude)

Nadir to Photo Center Direction: Northwest
Sun Azimuth: 101 (Clockwise angle in degrees from north to the sun measured at the nadir point)
Spacecraft Altitude: 213 nautical miles (394 km)
Sun Elevation Angle: 34 (Angle in degrees between the horizon and the sun, measured at the nadir point)
Orbit Number: 3023

Captions

International Space Station crew members are regularly alerted to dynamic events on the Earth’s surface. On request from scientists on the ground, the ISS crew observed and recorded activity from the summit of Soufriere Hills on March 20, 2002. These two images provide a context view of the island (bottom) and a detailed view of the summit plume (top). When the images were taken, the eastern side of the summit region experienced continued lava growth, and reports posted on the Smithsonian Institution’s Weekly Volcanic Activity Report indicate that “large (50-70 m high), fast-growing, spines developed on the dome’s summit. These spines periodically collapsed, producing pyroclastic flows down the volcano’s east flank that sometimes reached the Tar River fan. Small ash clouds produced from these events reached roughly 1 km above the volcano and drifted westward over Plymouth and Richmond Hill. Ash predominately fell into the sea. Sulfur dioxide emission rates remained high. Theodolite measurements of the dome taken on March 20 yielded a dome height of 1,039 m.”

Other photographs by astronauts of Montserrat have been posted on the Earth Observatory: digital photograph number ISS002-E-9309, taken on July 9, 2001; and a recolored and reprojected version of the same image.



Link to Earth Observatory Caption >>





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