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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: ISS039 Roll: E Frame: 14821 Mission ID on the Film or image: ISS039
Country or Geographic Name: RUSSIAN FEDERATION
Features: L. BAIKAL, ICE, SMOKE
Center Point: Latitude: 51.9 Longitude: 105.3 (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: High Oblique
Camera Focal Length: 145mm
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: 25 (11-25)
GMT Date: 20140422 (YYYYMMDD) GMT Time: 095538 (HHMMSS)
Nadir Point Latitude: 51.4, Longitude: 115.9 (Negative numbers indicate south for latitude and west for longitude)
Nadir to Photo Center Direction: West
Sun Azimuth: 274 (Clockwise angle in degrees from north to the sun measured at the nadir point)
Spacecraft Altitude: 222 nautical miles (411 km)
Sun Elevation Angle: 13 (Angle in degrees between the horizon and the sun, measured at the nadir point)
CaptionsLake Baikal ice melts, Russia
In this late afternoon shot, the crew aboard the International Space Station looked back toward the setting sun and captured the hook-shaped southern half of Lake Baikal in eastern Russia. Most of the lake is covered with dull gray ice. The brightest point in the center of the image is the reflection of the sunís rays off a small zone of open water where the ice has begun to melt. Broken ice masses appear adjacent to the sunglint point. The sunís rays are also reflected off the water surface of the straight Angara River, the main outlet of the lake.
Lake Baikal is 636 km long (395 mi). It is the deepest lake in the world and holds the largest amount of fresh water. Individual smoke plumes arc away from the north shore (image top left). Large smoke palls from wildfires appear image upper right.
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Recommended Citation: Earth Science and Remote Sensing Unit, NASA-Johnson Space Center. "The Gateway to Astronaut Photography of Earth." .