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Sofia, Bulgaria
SAR Orbit number: 48229
11 July 2004

This Synthetic Aperture Radar (SAR) multitemporal colour composite image centred over Sofia (bright area), the city capital of the Republic of Bulgaria, located in Southeastern Europe. It is situated on an elevated plain that stretches out under the Balkan Mountains. Mount Vitosha is about 8 kilometres (5 miles) south of the city and rises about 550 metres (1,800 feet) above the plain. The large green patch southeast of the Sofia is the Iskur Reservoir. The colour of the water is due to strong winds on the 11 July 2004 (the date the green colour is assigned to).

The image is made of three ERS-2 SAR PRI (Precision Radar Image) images acquired on different dates and assigning a colour (Red Green Blue) to each date of acquisition.

Technical Information:

• Instrument: Synthetic Aperture Radar (SAR)
• Dates of Acquisition: Red: 04 January 2004, Green: 11 July 2004, Blue: 02 May 2003
• Orbit number: 45724, 48229, 47227
• Frame: 2745
• Instrument features: 25 metre resolution

Coordinates:

NE Lat/Long: N 43.07 / E 23.92
NW Lat/Long: N 43.26 / E 22.74
SW Lat/Long: N 42.36 / E 22.48
SE Lat/Long: N 42.18 / E 23.64