CORONA Satellite Image of Sennybridge to Talgarth, Wales, 1968

Wales, specifically the area from Sennybridge to Talgarth including Brecon and parts of the River Usk and Brecon Beacons National Park, is covered by this historical satellite image. The image was captured on 10 August 1968 by the CORONA J-1, KH-4a reconnaissance mission and is provided by the University of Edinburgh. It represents one frame from a larger swath, with a ground coverage of approximately 17 x 38 km after cropping due to cloud cover.

Use Cases

• Analyzing historical land cover based on the 1968 satellite image.
• Detecting changes in urban or agricultural patterns based on the described area of Wales.
• Comparing landscape features over time based on the stated purpose of comparing 1968 to 2011.
• Studying cloud cover impact on remote sensing data based on the described 20-30% cloud coverage.

Strengths

• Provides a specific historical snapshot from 10 August 1968.
• Covers a defined geographic area of approximately 17 x 38 km in Wales.
• Originates from the declassified CORONA reconnaissance mission, a known historical source.

Limitations

• Approximately 20 to 30 percent of the image contains significant cloud cover.
• The dataset's file size, row count, and column-level documentation are unknown.
• The image is cropped, reducing its eastern extent by about 20 km.

Provenance

Source

University of Edinburgh, sourced from Earth Explorer.

Collection Method

Captured by the CORONA J-1, KH-4a reconnaissance satellite mission.

Time Range

10 August 1968.

Freshness

Last updated 2026-07-08 13:31:24.554771; freshness should be verified.

Geography

Area from Sennybridge to Talgarth, Wales, including Brecon, River Usk, and Brecon Beacons National Park.