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RGB color image processing: Dione and Saturn, May 2, 2012, step 2.
RGB color image processing: Dione and Saturn, May 2, 2012, step 2. Here, the frames have been aligned on Saturn and its rings and ring shadows. (The edge of Saturn appears blue -- this is a real effect of scattering of sunlight in the uppermost atmosphere.) However, Dione's shifting position causes color fringes.