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  Image: Geographic Location Direction Photo #: NM23-761-742 Date: May 1997
Geographic Region: USA-CALIFORNIA
Feature: SAN FRANCISCO

Ordering information for space photography
 
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  View Low-Resolution Image  
  NM23-761-742 Great Valley, California, USA Winter-Spring 1997
The major, lighter colored swath that extends laterally across the terrain (generally oriented northwest-southeast) is the central, low lying section of the Great Valley of California. The northern part of the valley is drained by the south-flowing Sacramento River and the southern part of the valley is drained by the north-flowing San Joaquin River. These rivers merge east of the San Francisco Bay area where they form a sizable delta, partially visible in this image. Even though the Great Valley receives limited precipitation (varies from 20 inches—7.8 centimeters—at the north end of the valley to 6 inches—2.3 centimeters—at the south end of the valley), an extensive irrigation network permits intensive agriculture throughout the valley. The darker landscape along the coast shows the extent of the forested Coastal Ranges that surrounds the San Francisco Bay area. Several major faults, including the San Andreas Fault (linear feature along west side of the bay) and the Hayward Fault (linear feature along east side of the bay) can be traced across this highly faulted and fractured region. The darker line towards the eastern edge of the picture (top) shows a series of parallel faults at the base of the foothills of the Sierra Nevada Mountains. Lake Berryessa (dark rectangular feature) is visible northeast of the bay area.
 
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Images: All Available Images Low-Resolution 330k
Mission: NM23  
Roll - Frame: 761 - 742
Geographical Name: USA-CALIFORNIA  
Features: SAN FRANCISCO  
Center Lat x Lon: 38.0N x 121.5W
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: LO   LO=Low Oblique, HO=High Oblique, NV=Near Vertical
Camera Focal Length: 100  
 
Nadir to Photo Center Direction:   The direction from the nadir to the center point, N=North, S=South, E=East, W=West
Stereo?: Y   Y=Yes there is an adjacent picture of the same area, N=No there isn't
Orbit Number:  
 
Date: 199705__   YYYYMMDD
Time:   GMT HHMMSS
Nadir Lat: N  
Latitude of suborbital point of spacecraft
Nadir Lon: E  
Longitude of suborbital point of spacecraft
Sun Azimuth:   Clockwise angle in degrees from north to the sun measured at the nadir point
Space Craft Altitude:   nautical miles
Sun Elevation:   Angle in degrees between the horizon and the sun, measured at the nadir point
Land Views: VALLEY, MOUNTAIN, FAULT  
Water Views: BAY, DELTA  
Atmosphere Views:  
Man Made Views:  
City Views:  
Photo is not associated with any sequences


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