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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: ISS034 Roll: E Frame: 57550 Mission ID on the Film or image: ISS034
Country or Geographic Name: USA-TEXAS
Features: PALO DURO CANYON, SNOW, CANYON, LAKE TANGLEWOOD
Center Point: Latitude: 35.0 Longitude: -101.8 (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: 20130228 (YYYYMMDD) GMT Time: 172953 (HHMMSS)
Nadir Point Latitude: 35.4, Longitude: -100.2 (Negative numbers indicate south for latitude and west for longitude)
Nadir to Photo Center Direction: West
Sun Azimuth: 151 (Clockwise angle in degrees from north to the sun measured at the nadir point)
Spacecraft Altitude: 218 nautical miles (404 km)
Sun Elevation Angle: 43 (Angle in degrees between the horizon and the sun, measured at the nadir point)
CaptionsRecord Snowfall in North Texas
The winter season of 2012-2013 has been marked by powerful snowstorms with record-setting levels of snowfall throughout much of the Midwestern United States. This astronaut photograph, taken from the International Space Station, features the Southern High Plains of north Texas directly south of the city of Amarillo, TX (off image to the north). The snowstorm that had passed through this area before the image was taken left a record snowfall of approximately 43 centimeters (17 inches).
Snow blankets the city of Canyon, TX at image left. Urban area street grids and stream channels appear etched into the landscape by the snow – a result of both melting and street clearing in the urban regions, and the incised nature of the stream channels into the surrounding plains. Palo Duro Canyon at image right is largely free of snow along the Prairie Dog Town Fork of the Red River channel and lower elevations, allowing the red sedimentary rocks forming the canyon walls to be visible. Agricultural fields in the area are easily identified due to the even snow cover broken only by roadways between the fields.
Lake Tanglewood, a reservoir located to the northeast of Canyon appears dark due to a lack of ice cover. Another dark region to the northwest of Canyon is a feed yard for cattle; any snowfall is this area has been removed by the actions of the livestock.
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Recommended Citation: Earth Science and Remote Sensing Unit, NASA-Johnson Space Center. "The Gateway to Astronaut Photography of Earth." .