Data Problems > Image Blemishes > Discolorations

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All of these blemishes are in the DigitalGlobe high-resolution imagery.

• Overexposure (or saturation or whiteout) These are discussed in THIS POSTING.
  ---- Egypt: Cairo West airport 23 October 2006 and 5 other airports
  
  overexposure
  
  
• Sapphire terrain images display shining blue terrain or water areas. It is not known whether thay are caused by a camera or post-processing problem. While apparently not common, they cause enough user questions to warrant a separate collection.
  ---- Australia: Juna Downs, 21 September 2006
  ---- Bolivia: Uyuni, 9 January 2007
  ---- Chad: various
  ---- China: Xinjiang, 13 September 2006
  ---- Saudi Arabia: Mecca region, 8 August 2006
  ---- USA: Devil's Slide, Pacifica, CA, 15 October 2005
  
  
  
  
• Red-blue swaths are generally in an east-west direction and may be a misalignment of camera color image layers. We show examples in China, Cyprus, Russia, and the UAE.
  ---- Antarctica: 23 June 2007, with 2 smaller missing areas
  ---- China: Kinjiang-Uygur
  ---- Cyprus: Morphou
  ---- Germany: Hunoldstal colored swath, 12 August 2007
  ---- Oman: Huwl (per sasroodkapje)
  ---- Russia: 1 (12 October 2006), 2 (15 October 2006), 3 (24 October 2006), 4 (24 October 2006), 5 (24 October 2006), 6 (28 October 2006), 7 (28 October 2006), 8 (20 December 2006), 9 (per sasroodkapje), and 10 (22 March 2007).
  ---- UAE: Kahwr Fakkan (per sasroodkapje) and Nahwa 28 October 2006
  
  
  
  
• Strange colors are miscellaneous discolorations.
  Argentina:
  ---- Panaholma strange rectangle, not discolored in Microsoft's Live Search or Yahoo Maps
  China:
  ---- Inner Mongolia, 5 October 2006
  Ecuador:
  ---- Galapagos, Isla Fernandina, 29 December 2006, and Isla Isabela, 22 July 2007
  UK:
  ---- odd color patches in Southall Green 23 January 2007
  USA:
  ---- Carson City, Nevada: peculiar image color, 14 April 2007
  ---- Phoenix, Maryland: red woods and odd target, 13 March 2007