// cpt-city: pd/astro/saturn_rings (cpt)
//
// Gradients from photographs
//
// author: Piecrust Design
// copyright: Public domain
// year: 2007
// url: https://phillips.shef.ac.uk/pub/cpt-city/pd/astro
#declare saturn_rings =
color_map {
  [0.00000 color rgbf <0.5922,0.5451,0.4588,0.0000>]
  [0.01720 color rgbf <0.5843,0.5412,0.4588,0.0000>]
  [0.03450 color rgbf <0.5804,0.5373,0.4588,0.0000>]
  [0.05170 color rgbf <0.5608,0.5255,0.4510,0.0000>]
  [0.06900 color rgbf <0.5451,0.5098,0.4392,0.0000>]
  [0.08620 color rgbf <0.5333,0.5020,0.4353,0.0000>]
  [0.10340 color rgbf <0.5216,0.4902,0.4314,0.0000>]
  [0.12070 color rgbf <0.5137,0.4784,0.4275,0.0000>]
  [0.13790 color rgbf <0.5020,0.4706,0.4235,0.0000>]
  [0.15520 color rgbf <0.4980,0.4784,0.4235,0.0000>]
  [0.17240 color rgbf <0.4902,0.4902,0.4275,0.0000>]
  [0.18970 color rgbf <0.4784,0.4824,0.4235,0.0000>]
  [0.20690 color rgbf <0.4667,0.4784,0.4235,0.0000>]
  [0.22410 color rgbf <0.4118,0.4196,0.3765,0.0000>]
  [0.24140 color rgbf <0.3529,0.3608,0.3294,0.0000>]
  [0.25860 color rgbf <0.4000,0.4039,0.3843,0.0000>]
  [0.27590 color rgbf <0.4510,0.4510,0.4353,0.0000>]
  [0.29310 color rgbf <0.4706,0.4706,0.4510,0.0000>]
  [0.31030 color rgbf <0.4902,0.4863,0.4667,0.0000>]
  [0.32760 color rgbf <0.5020,0.4980,0.4824,0.0000>]
  [0.34480 color rgbf <0.5137,0.5098,0.4941,0.0000>]
  [0.36210 color rgbf <0.5373,0.5333,0.5176,0.0000>]
  [0.37930 color rgbf <0.5647,0.5569,0.5412,0.0000>]
  [0.39660 color rgbf <0.5843,0.5765,0.5529,0.0000>]
  [0.41380 color rgbf <0.6078,0.5922,0.5647,0.0000>]
  [0.43100 color rgbf <0.6157,0.6039,0.5765,0.0000>]
  [0.44830 color rgbf <0.6196,0.6118,0.5882,0.0000>]
  [0.46550 color rgbf <0.6275,0.6118,0.5843,0.0000>]
  [0.48280 color rgbf <0.6353,0.6078,0.5765,0.0000>]
  [0.50000 color rgbf <0.6431,0.6196,0.5922,0.0000>]
  [0.51720 color rgbf <0.6471,0.6314,0.6039,0.0000>]
  [0.53450 color rgbf <0.6549,0.6431,0.6157,0.0000>]
  [0.55170 color rgbf <0.6588,0.6510,0.6275,0.0000>]
  [0.56900 color rgbf <0.6549,0.6471,0.6235,0.0000>]
  [0.58620 color rgbf <0.6510,0.6431,0.6196,0.0000>]
  [0.60340 color rgbf <0.6549,0.6510,0.6314,0.0000>]
  [0.62070 color rgbf <0.6588,0.6588,0.6431,0.0000>]
  [0.63790 color rgbf <0.6627,0.6706,0.6588,0.0000>]
  [0.65520 color rgbf <0.6667,0.6824,0.6745,0.0000>]
  [0.67240 color rgbf <0.5569,0.6000,0.6000,0.0000>]
  [0.68970 color rgbf <0.4431,0.5176,0.5255,0.0000>]
  [0.70690 color rgbf <0.3176,0.3804,0.3882,0.0000>]
  [0.72410 color rgbf <0.1922,0.2392,0.2510,0.0000>]
  [0.74140 color rgbf <0.2784,0.3294,0.3412,0.0000>]
  [0.75860 color rgbf <0.3686,0.4157,0.4353,0.0000>]
  [0.77590 color rgbf <0.4510,0.4941,0.5098,0.0000>]
  [0.79310 color rgbf <0.5373,0.5725,0.5843,0.0000>]
  [0.81030 color rgbf <0.5098,0.5333,0.5412,0.0000>]
  [0.82760 color rgbf <0.4824,0.4980,0.4980,0.0000>]
  [0.84480 color rgbf <0.4706,0.4784,0.4784,0.0000>]
  [0.86210 color rgbf <0.4627,0.4627,0.4588,0.0000>]
  [0.87930 color rgbf <0.4510,0.4510,0.4510,0.0000>]
  [0.89660 color rgbf <0.4392,0.4431,0.4392,0.0000>]
  [0.91380 color rgbf <0.4353,0.4392,0.4353,0.0000>]
  [0.93100 color rgbf <0.4275,0.4353,0.4314,0.0000>]
  [0.94830 color rgbf <0.3961,0.4078,0.4039,0.0000>]
  [0.96550 color rgbf <0.3647,0.3765,0.3765,0.0000>]
  [0.98280 color rgbf <0.3569,0.3686,0.3686,0.0000>]
  [1.00000 color rgbf <0.3490,0.3569,0.3608,0.0000>]
}