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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: STS033 Roll: 71 Frame: 94 Mission ID on the Film or image: STS33
Country or Geographic Name: MADAGASCAR
Features: MANGOKY RIVER, LAC IHOTRY
Center Point: Latitude: -21.5 Longitude: 43.5 (Negative numbers indicate south for latitude and west for longitude)
Stereo: Yes (Yes indicates there is an adjacent picture of the same area)
ONC Map ID: JNC Map ID:
CameraCamera Tilt: 5
Camera Focal Length: 250mm
Camera: HB: Hasselblad
Film: 5017 : Kodak, natural color positive, Ektachrome, X Professional, ASA 64, standard base.
QualityFilm Exposure: Normal
Percentage of Cloud Cover: 0 (0-10)
GMT Date: 19891124 (YYYYMMDD) GMT Time: 062718 (HHMMSS)
Nadir Point Latitude: -21.8, Longitude: 43.6 (Negative numbers indicate south for latitude and west for longitude)
Nadir to Photo Center Direction: North
Sun Azimuth: 95 (Clockwise angle in degrees from north to the sun measured at the nadir point)
Spacecraft Altitude: 240 nautical miles (444 km)
Sun Elevation Angle: 56 (Angle in degrees between the horizon and the sun, measured at the nadir point)
Orbit Number: 20
CaptionsSTS033-71-94 Mangoky River Delta, Madagascar November 1989
This low-oblique, southwest-looking photograph reveals the delta of the Mangoky River and the surrounding coastal plain. The Mangoky River is 350 miles (564 kilometers) long and rises in the Central Highlands of Madagascar just east of the city of Fianarantsoa. The river flows generally in a westerly direction out of the highlands, crosses the southern extension of the Bemaraha Plateau, reaches the coastal plain and its delta, and enters the Mozambique Channel north of the city of Morombe (city not shown in the photograph). Most of Madagascar has undergone serious deforestation during the last 40 years. Soil erosion has been extreme, as evidenced by the many sandbars located within the Mangoky River channel. Silt-laden, greenish-tan Lake Ihotry is clearly discernible south of the river. Between the lake and the coast is a rather large, whitish area of sand interspersed with silt-laden ponds. The southern portion of the delta is dominated by successive barrier island and spit formation. In contrast, the northern, protected portion of the delta is dominated by tidal passes and mangrove swamps.
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Recommended Citation: Earth Science and Remote Sensing Unit, NASA-Johnson Space Center. "The Gateway to Astronaut Photography of Earth." .