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  Image: Geographic Location Direction Photo #: NM21-774-44 Date: Jul. 1996
Geographic Region: USA-PENNSYLVANIA

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  NM21-774-044 Pittsburgh, Pennsylvania Spring-Summer 1996
The built-up metropolitan area that is the city of Pittsburgh is difficult to identify in this image because of the small scale, low spatial resolution, and in fact that most of the residential subdivisions contain vegetative cover that at least partially obscures the urban sprawl that surrounds the downtown core. Downtown Pittsburgh, or the central business district, is located at the apex of the influence of the southwest flowing Allegheny River and the northerly flowing Monongahela River (right center). These two rivers merge to become the Ohio River. Parts of several highway thoroughfares can be traced across the hilly terrain. The light colored, linear roadways include Interstate Highway 279 (left center); Interstate Highway 379 (lower left); Us highway 30 (left center); and state Highway 51 (towards upper left center). Residential development and highway orientation patterns have been greatly controlled by the local topography. The darker features of the image show the distribution of the more densely wooded terrain.
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Images: All Available Images Low-Resolution 408k
Mission: NM21  
Roll - Frame: 774 - 44
Geographical Name: USA-PENNSYLVANIA  
Center Lat x Lon: 40.5N x 80W
Film Exposure: N   N=Normal exposure, U=Under exposed, O=Over exposed, F=out of Focus
Percentage of Cloud Cover-CLDP: 0
Camera: HB
Camera Tilt: 27   LO=Low Oblique, HO=High Oblique, NV=Near Vertical
Camera Focal Length: 250  
Nadir to Photo Center Direction: SE   The direction from the nadir to the center point, N=North, S=South, E=East, W=West
Stereo?: N   Y=Yes there is an adjacent picture of the same area, N=No there isn't
Orbit Number: 999  
Date: 19960721   YYYYMMDD
Time: 151430   GMT HHMMSS
Nadir Lat: 41.7N  
Latitude of suborbital point of spacecraft
Nadir Lon: 81.3W  
Longitude of suborbital point of spacecraft
Sun Azimuth: 116   Clockwise angle in degrees from north to the sun measured at the nadir point
Space Craft Altitude: 207   nautical miles
Sun Elevation: 54   Angle in degrees between the horizon and the sun, measured at the nadir point
Land Views: HILL  
Water Views: RIVER  
Atmosphere Views:  
Man Made Views: AIRPORT  
City Views:  
Photo is not associated with any sequences

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