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File NameFile Size (bytes)WidthHeightAnnotatedCroppedPurposeComments
View STS102-716-25.JPG 26711515512 No No From ISD PhotoCDs
View STS102-716-25.JPG 8566510311024 No No From ISD PhotoCDs
View STS102-716-25.JPG 125037540441 Yes Yes NASA's Earth Observatory web site
View STS102-716-25.JPG 221636540513 Yes Yes NASA's Earth Observatory web site
View STS102-716-25_2.JPG 28630320632048 No No From ISD PhotoCDs
View STS102-716-25.JPG 5635081000950 No Yes NASA's Earth Observatory web site
View STS102-716-25_3.JPG 86828341274096 No No From ISD PhotoCDs
View STS102-716-25.JPG 41446539440 Yes Photographic Highlights

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Mission: STS102 Roll: 716 Frame: 25 Mission ID on the Film or image: STS102
Country or Geographic Name: EGYPT
Center Point: Latitude: 22.5 Longitude: 31.0 (Negative numbers indicate south for latitude and west for longitude)

Stereo: (Yes indicates there is an adjacent picture of the same area)


Camera Tilt: 27
Camera Focal Length: 250mm
Camera: HB: Hasselblad
Film: 5069 : Kodak Elite 100S, E6 Reversal, Replaces Lumiere, Warmer in tone vs. Lumiere.


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


GMT Date: 20010315 (YYYYMMDD) GMT Time: 102955 (HHMMSS)
Nadir Point Latitude: 24.0, Longitude: 30.2 (Negative numbers indicate south for latitude and west for longitude)

Nadir to Photo Center Direction: Southeast
Sun Azimuth: 192 (Clockwise angle in degrees from north to the sun measured at the nadir point)
Spacecraft Altitude: 200 nautical miles (370 km)
Sun Elevation Angle: 64 (Angle in degrees between the horizon and the sun, measured at the nadir point)
Orbit Number: 110


As the Space Shuttle Atlantis passed over southern Egypt in mid-March 2001, the STS-102 astronauts were able to document new flooding in the Toshka region west of Lake Nasser. The formation of the Toshka Lakes in southern Egypt is part of Egypt's New Valley Project. The flooding of the region has been monitored by astronauts since 1998, and continues to show rapid changes.

An animation in a previous posting on the Earth Observatory links together several photographs of the region taken by astronauts to show the sequence of flooding in the Toshka depression. The last image of that sequence was acquired in September, 2000 (Image number STS106-716-96), and is included here for reference. Since September, flooding has occurred over a large area at the western end of the Toshka lakes. The region will be the location of large Egyptian agricultural developments that will support millions of people.

Compare to earlier images posted on Earth Observatory:
October 10, 2000 from the Moderate Resolution Imaging Spectroradiometer
December 1999 from the Space Shuttle

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