{
  "method": "Scripted RGB channel white balance, not RegiStax Auto Balance. Neutral outer ring reference; natural globe color retained relative to rings. Original outputs preserved; same finishing parameters and 1.5x drizzle.",
  "captures": [
    {
      "key": "0344_8",
      "method": "Neutral ring-ansae white point measured from unsharpened P17 stack; median of bright outer ring samples. One RGB gain set per capture, shared by 10% and 17% and all stages.",
      "ring_pixels": 3327,
      "ring_medians": [
        29449.0,
        27455.0,
        23606.0
      ],
      "rgb_gains": [
        0.9372483479914427,
        1.005318761609907,
        1.1692377615860374
      ]
    },
    {
      "key": "0447_3",
      "method": "Neutral ring-ansae white point measured from unsharpened P17 stack; median of bright outer ring samples. One RGB gain set per capture, shared by 10% and 17% and all stages.",
      "ring_pixels": 3360,
      "ring_medians": [
        25492.5,
        23867.5,
        20645.5
      ],
      "rgb_gains": [
        0.940682420319702,
        1.0047280444118571,
        1.1615289821026373
      ]
    },
    {
      "key": "0444_0",
      "method": "Neutral ring-ansae white point measured from unsharpened P17 stack; median of bright outer ring samples. One RGB gain set per capture, shared by 10% and 17% and all stages.",
      "ring_pixels": 3305,
      "ring_medians": [
        26321.0,
        24738.0,
        21434.0
      ],
      "rgb_gains": [
        0.9435810569507236,
        1.0039613954240438,
        1.158719651021741
      ]
    },
    {
      "key": "0450_6",
      "method": "Neutral ring-ansae white point measured from unsharpened P17 stack; median of bright outer ring samples. One RGB gain set per capture, shared by 10% and 17% and all stages.",
      "ring_pixels": 3411,
      "ring_medians": [
        25295.0,
        23681.0,
        20519.0
      ],
      "rgb_gains": [
        0.9407329511761218,
        1.0048494573708882,
        1.159697841025391
      ]
    }
  ]
}