This declassified satellite image shows Saint Petersburg, Russia. It was captured on 29 April 1974 by a KH-9 HEXAGON reconnaissance satellite, as part of mission 1208.

The ground sample distance listed for this scene is 82 cm. That is the size of one pixel on the ground, not the smallest object that can be picked out in the image.

The source scene is held in the USGS EarthExplorer archive under entity ID D3C1208-200164F004.

SpaceFromSpace processed and georeferenced this scan so it can be explored on an interactive map.

Learn more about the HEXAGON programme on the Satellite Programs page.