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(NASA Crew Earth Observations)

Photographing the Earth from the International Space Station

Astronaut Photography of Earth - Display Record


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File NameFile Size (bytes)WidthHeightAnnotatedCroppedPurposeComments
View ISS027-E-6501.JPG 83444640438 No No
View ISS027-E-6501.JPG 145841540359 Yes Yes NASA's Earth Observatory web site
View ISS027-E-6501.JPG 3973141000665 No Yes NASA's Earth Observatory web site
View ISS027-E-6501.JPG 123555742562913 No No

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Mission: ISS027 Roll: E Frame: 6501 Mission ID on the Film or image: ISS027
Country or Geographic Name: PACIFIC OCEAN
Center Point: Latitude: 36.0 Longitude: -134.0 (Negative numbers indicate south for latitude and west for longitude)

Stereo: (Yes indicates there is an adjacent picture of the same area)


Camera Tilt: High Oblique
Camera Focal Length: 16mm
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.


Film Exposure:
Percentage of Cloud Cover: 100 (76-100)


GMT Date: 20110320 (YYYYMMDD) GMT Time: 001949 (HHMMSS)
Nadir Point Latitude: 29.6, Longitude: -130.4 (Negative numbers indicate south for latitude and west for longitude)

Nadir to Photo Center Direction: Northwest
Sun Azimuth: 249 (Clockwise angle in degrees from north to the sun measured at the nadir point)
Spacecraft Altitude: 188 nautical miles (348 km)
Sun Elevation Angle: 32 (Angle in degrees between the horizon and the sun, measured at the nadir point)
Orbit Number: 2686


Low Pressure System in View, Eastern North Pacific

From one of the six trapezoidal windows in the International Space Station (ISS) cupola, the astronauts have a field of view covering an area equal to the length of California, and as wide as from the California coast to central Colorado. The cyclonic vortex visible in this image from the cupola occurred within a large area of low pressure over the eastern north Pacific extending along the entire coast of California to Vancouver Island, Canada.

This vigorous low pressure system is located to the south of a weaker system (see image ISS027-E-6500), and has started to occlude—a process associated with separation of warm air from the cyclone’s center at the Earth’s surface. This image shows the arc of strong convection beyond the center of the low pressure, formed as the low occludes when the cold front overtakes the warm front. This occurs around more mature low pressure areas, later in the process of the system’s life-cycle.

The cupola is a panoramic control center for the ISS; it is a dome-shaped module with windows designed for observing and guiding robotic operations outside of the Station. Part of one of the ISS solar panel arrays is visible outside the cupola at image upper left. The 360 degree view not only provides viewing for operating the robotic workstation but also for observing the Earth and celestial bodies.

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