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Astronaut Photography of Earth - Display Record

ISS020-E-39932

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	File Name	File Size (bytes)	Width	Height	Annotated	Cropped	Purpose	Comments
View	ISS020-E-39932.JPG	70767	640	438	No	No
View	ISS020-E-39932.JPG	196085	540	350	Yes	Yes	NASA's Earth Observatory web site

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	File Name	File Size (bytes)	Width	Height	Annotated	Cropped	Purpose	Comments
Request	ISS020-E-39932.JPG	553597	1000	649	No	Yes	NASA's Earth Observatory web site
Request	ISS020-E-39932.JPG	1769727	4256	2913	No	No

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Electronic Image Data

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Identification

Mission: ISS020 Roll: E Frame: 39932 Mission ID on the Film or image: ISS020
Country or Geographic Name: UNITED ARAB EMIRATES
Features: CITY OF DUBAI AT NIGHT, PALM ISLAND RESORT,PERSIAN GULF
Center Point Latitude: 25.1 Center Point Longitude: 55.1 (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:

Camera

Camera Tilt: 3
Camera Focal Length: 80mm
Camera: N3
Film: 4256E : 4256 x 2832 pixel CMOS sensor, 36.0mm x 23.9mm, total pixels: 12.87 million, Nikon FX format.

Quality

Film Exposure:
Percentage of Cloud Cover: 10 (0-10)

Nadir

Date: 20090911 (YYYYMMDD)GMT Time: 221427 (HHMMSS)
Nadir Point Latitude: 25.2, Longitude: 55.2 (Negative numbers indicate south for latitude and west for longitude)
Nadir to Photo Center Direction: Southwest
Sun Azimuth: 49 (Clockwise angle in degrees from north to the sun measured at the nadir point)
Spacecraft Altitude: 185 nautical miles (343 km)
Sun Elevation Angle: -49 (Angle in degrees between the horizon and the sun, measured at the nadir point)
Orbit Number: 1961

Captions

City of Dubai at night, United Arab Emirates

The city of Dubai is the largest metropolitan area in the emirate of Dubai, one of the member states of the United Arab Emirates. Dubai is located along the southern Persian Gulf on the Arabian Peninsula, and its signature city is known for high profile architectural and development projects. Among the most notable is the Palm Jumeirah, a man-made peninsula and surrounding islands built from over 50 million cubic meters of sand. Three other island projects, two similar to Palm Jumeirah and another crafted to look like a map of the world, are also underway along the Dubai coastline.

This nighttime astronaut photograph of the city of Dubai was taken at approximately 2 a.m. local time on September 11, 2009. Orange sodium vapor lights trace the major highways and street grid in and around the metropolitan area, while grey-white mercury vapor lamps fill in the commercial and residential areas. The lighted islands and peninsula of Palm Jumeirah are clearly visible along the coastline. A spiral pattern of lights on the southeastern fringe of the urban area is a camel racetrack. Nighttime images like these are useful to climate modelers, urban planners, and geographers as they allow for simple definition of urban (densely lit) and rural (sparely lit) areas.

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