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The Gateway to Astronaut Photography of Earth
(NASA Crew Earth Observations)
Astronaut Photography of Earth - Display Record
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IdentificationMission: STS51I Roll: 44 Frame: 52 Mission ID on the Film or image: 51I(27)
Country or Geographic Name: GULF OF MEXICO
Features: HURRICANE ELENA
Center Point: Latitude: Longitude: (Negative numbers indicate south for latitude and west for longitude)
Stereo: No (Yes indicates there is an adjacent picture of the same area)
ONC Map ID: JNC Map ID:
CameraCamera Tilt: High Oblique
Camera Focal Length: 100mm
Camera: HB: Hasselblad
Film: 5017 : Kodak, natural color positive, Ektachrome, X Professional, ASA 64, standard base.
QualityFilm Exposure: Normal
Percentage of Cloud Cover: 90 (76-100)
GMT Date: 19850901 (YYYYMMDD) GMT Time: 115751 (HHMMSS)
Nadir Point Latitude: 21.2, Longitude: -80.3 (Negative numbers indicate south for latitude and west for longitude)
Nadir to Photo Center Direction:
Sun Azimuth: 85 (Clockwise angle in degrees from north to the sun measured at the nadir point)
Spacecraft Altitude: 234 nautical miles (433 km)
Sun Elevation Angle: 11 (Angle in degrees between the horizon and the sun, measured at the nadir point)
Orbit Number: 80
CaptionsSTS51I-44-0052 Hurricane Elena, Gulf of Mexico September 1985
Hurricane Elena, with wind speeds in excess of 110 miles per hour (177 kilometers per hour), was photographed in the Gulf of Mexico on September 1, 1985. Almost the entire storm can be seen in this high-oblique photograph. For instance, a number of thunderstorms with their overshooting tops, the spiral bands of numerous thunderstorms leading to the eye of the hurricane, and numerous cloud gravity waves within the spiral bands can be seen. Some portions of the eye wall, where the most destructive winds of the storm occur, are also visible. This storm eventually made landfall near Gulfport, Mississippi.
Hurricane Elana in the Gulf of Mexico, exact location unknown. The presence of a tight, well formed, gyre and elevated cloud berm bordering the eye, are indicators of a very powerful and dangerous hurricane with very high internal cyclonic wind speeds.
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Recommended Citation: Earth Science and Remote Sensing Unit, NASA-Johnson Space Center. "The Gateway to Astronaut Photography of Earth." .