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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: ISS027 Roll: E Frame: 6501 Mission ID on the Film or image: ISS027
Country or Geographic Name: PACIFIC OCEAN
Features: CENTER OF SURFACE LOW PRESSURE SYSTEM, ANOTHER LOW UPPER LEFT CORNER
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)
ONC Map ID: JNC Map ID:
CameraCamera 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.
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
CaptionsLow 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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Recommended Citation: Earth Science and Remote Sensing Unit, NASA-Johnson Space Center. "The Gateway to Astronaut Photography of Earth." .