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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: ISS033 Roll: E Frame: 6245 Mission ID on the Film or image: ISS033
Country or Geographic Name: USA-CALIFORNIA
Features: MOUNT SHASTA, SHASTINA, LAVA FLOWS, WEED
Center Point: Latitude: 41.4 Longitude: -122.2 (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: 24
Camera Focal Length: 400mm
Camera: N5: Nikon D3S
Film: 4256E : 4256 x 2832 pixel CMOS sensor, 36.0mm x 23.9mm, total pixels: 12.87 million, Nikon FX format.
Percentage of Cloud Cover: 10 (0-10)
GMT Date: 20120920 (YYYYMMDD) GMT Time: 172531 (HHMMSS)
Nadir Point Latitude: 43.0, Longitude: -122.1 (Negative numbers indicate south for latitude and west for longitude)
Nadir to Photo Center Direction: South
Sun Azimuth: 129 (Clockwise angle in degrees from north to the sun measured at the nadir point)
Spacecraft Altitude: 217 nautical miles (402 km)
Sun Elevation Angle: 35 (Angle in degrees between the horizon and the sun, measured at the nadir point)
CaptionsMount Shasta, California
The Cascade Range includes many impressive stratovolcanoes along its north-south extent, some active over the past few hundred years. Mount Shasta in northern California is among the largest and most active (over the past 4000 years) of the volcanoes in the Cascades. The summit peak of the volcanic structure is at an elevation of 4317 meters above sea level (asl), and is formed by the Hotlum cone – the location of the most recently recorded (1786) volcanic activity. The summit is high enough to retain snow cover throughout the year, and several small glaciers are present along the upper slopes of Shasta.
Immediately to the west of the summit peak, but still on the upper slopes of Shasta, is the Shastina lava dome complex, reaching 3758 meter asl. Two dark lava flows that originated from the Shastina complex and flowed downslope (toward the northwest) are visible in the lower part of this image. These contrast sharply with the surrounding vegetated (green) lower slopes and the barren upper slopes (gray) of Shasta. The Black Butte lava dome complex forms another, isolated hill on the lowermost slopes of Shasta near the town of Weed, CA (image right).
Geologists have mapped prehistoric pyroclastic flow and mudflow (also known as lahars) deposits from Hotlum cone and the Shastina and Black Butte lava dome complexes to distances of 20 kilometers from the summit of Shasta. As Mount Shasta has erupted within the past 250 years and several communities are within this hazard radius, the United States Geological Survey’s California Volcano Observatory actively monitors the volcano for signs of activity.
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Recommended Citation: Earth Science and Remote Sensing Unit, NASA-Johnson Space Center. "The Gateway to Astronaut Photography of Earth." .