STS036-73-94

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NASA Photo ID

STS036-73-94

Focal Length

100mm

Date taken

1990.03.02

Time taken

12:45:30 GMT

Resolutions offered for this image:
5700 x 5900 pixels 500 x 518 pixels 640 x 480 pixels

Cloud masks available for this image:

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Image Details
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Spacecraft nadir point: 28.0° S, 15.4° E

Photo center point: 27.5° S, 14.5° E

Photo center point by machine learning:

Nadir to Photo Center: Northwest

Spacecraft Altitude: 132 nautical miles (244km)

Country or Geographic Name:

NAMIBIA

Features:

SUNGLINT

Features Found Using Machine Learning:

Cloud Cover Percentage:

0 (no clouds present)

Sun Elevation Angle:

59°

Sun Azimuth:

308°

Camera:

Hasselblad

Focal Length:

100mm

Camera Tilt:

25 degrees

Format:

5017: Kodak, natural color positive, Ektachrome, X Professional, ASA 64, standard base

Film Exposure:

Normal

Additional Information

Width	Height	Annotated	Cropped	Links
5700 pixels	5900 pixels	No	No	Download Image
500 pixels	518 pixels	No	No	Download Image
640 pixels	480 pixels	No	No	Download Image

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Image Caption:
Coastal upwelling along the coastal boundary of the Benguela
Current (Coast of Namibia; 27.5S, 14.5E)

The cold upwelled water is adjacent to the coastline and extends
about 65 km (35 n.mi.) offshore. The cold water stabilizes the
atmospheric boundary layer and results in a smoother water sur-
face, relative to the roughened, offshore water. In the sunglint
pattern, the smoother, upwelled water reflects sunlight more like
a mirror, concentrating the sunglint to a smaller area. Outside
the bright central disc, the sunglint highlights internal waves
which are refracting around submarine topography. (S36-73-094)