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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: ISS017 Roll: E Frame: 9734 Mission ID on the Film or image: ISS017
Country or Geographic Name: ITALY
Features: ISCHIA ISLAND, PROCIDA ISLAND
Center Point Latitude: 40.7 Center Point Longitude: 13.9 (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:
CameraCamera Tilt: 2
Camera Focal Length: 400mm
Camera: N2: Nikon D2Xs
Film: 4288E : 4288 x 2848 pixel CMOS sensor, RGBG imager color filter.
Percentage of Cloud Cover: 10 (0-10)
NadirGMT Date: 20080620 (YYYYMMDD) GMT Time: 080043 (HHMMSS)
Nadir Point Latitude: 40.7, Longitude: 13.8 (Negative numbers indicate south for latitude and west for longitude)
Nadir to Photo Center Direction: East
Sun Azimuth: 99 (Clockwise angle in degrees from north to the sun measured at the nadir point)
Spacecraft Altitude: 186 nautical miles (344 km)
Sun Elevation Angle: 48 (Angle in degrees between the horizon and the sun, measured at the nadir point)
Orbit Number: 2902
CaptionsIsland of Ischia, Italy
The island of Ischia is approximately 30 kilometers southwest of Naples, Italy, in the western Bay of Naples (part of the Tyrrenhian Sea). While the island’s rocks are volcanic in origin, much of the island’s geology and current topography is characterized by blocks of uplifted rock (horst) and sunken areas (grabens) between weak spots or cracks in Earth’s crust (faults). For example, the highest point on the island of Ischia is Monte Epomeo (789 meters). The mountain is not a volcanic cone, but rather is composed of erupted materials that were later uplifted by faulting.
The green slopes of Monte Epomeo are enclosed by urban development (light grey speckled areas) that rings the island. The last volcanic activity on Ischia took place in 1302. The neighboring island of Procida (top right) was formed from the same magma sources as Ischia, and likely shared the same volcanic “plumbing system.” Today, Ischia is a popular tourist destination due to its hot springs, hot mud baths, and the hiking opportunities afforded by Monte Epomeo. Several boat wakes are visible around both islands in this astronaut photograph.
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Recommended Citation: Image Science and Analysis Laboratory, NASA-Johnson Space Center. "The Gateway to Astronaut Photography of Earth." .