{
  "date_local": "October 18 2026, 11:01 PM and 11:04 PM EDT",
  "purpose": "preliminary processing trial groups for Saturn Work/Processing Lab",
  "limits": "The SERs drift visibly to the ROI edge. Only frames meeting a >=10px margin test were eligible. Custom Python stacking and conventional sharpening, NOT native AutoStakkert/RegiStax/Topaz. 1.5x resize uses Lanczos resampling, NOT true drizzle.",
  "capture_summary": [
    {
      "time_local": "11:01 PM EDT",
      "total_frames": 20503,
      "safe_frames_full_audit": 1154,
      "screened_eligible_pct": 5.63,
      "ranked_centered_frames_stacked": 250,
      "candidate_frames_sampled_for_alignment": 641,
      "rgb_ring_gains_measured": [
        0.9888179898262024,
        1.0240709781646729,
        0.987949013710022
      ],
      "presentation_profiles": 8
    },
    {
      "time_local": "11:04 PM EDT",
      "total_frames": 20502,
      "safe_frames_full_audit": 1195,
      "screened_eligible_pct": 5.83,
      "ranked_centered_frames_stacked": 250,
      "candidate_frames_sampled_for_alignment": 642,
      "rgb_ring_gains_measured": [
        0.9873080253601074,
        1.0263010263442993,
        0.9873890280723572
      ],
      "presentation_profiles": 8
    }
  ],
  "profiles": [
    {
      "id": "oct18_2301_server_prelim",
      "name": "Oct 18 · 11:01 PM · server trials (ROI drift)",
      "description": "180-second video, Saturn leaves frame for much of the capture; preliminary non-AI previews only",
      "presets": [
        {
          "label": "Punchy white rings · Oct 7 inspired",
          "image": "Oct18_2301_RingWhite_Punchy_Oct7Inspired.png",
          "tiff": "Oct18_2301_RingWhite_Punchy_Oct7Inspired.tif",
          "note": "Brighter white rings, modest extra contrast, no AI"
        },
        {
          "label": "Gentler punchy · 89%",
          "image": "Oct18_2301_RingWhite_Punchy_89pct.png",
          "tiff": "Oct18_2301_RingWhite_Punchy_89pct.tif",
          "note": "Slightly backed-off punchy ring highlights, no AI"
        },
        {
          "label": "Ring whites · RGB balanced",
          "image": "Oct18_2301_RingWhite_RGBBalanced_NoAI.png",
          "tiff": "Oct18_2301_RingWhite_RGBBalanced_NoAI.tif",
          "note": "Neutralized ring channels plus highlight lift, no AI"
        },
        {
          "label": "Ring whites · 20% classic smoothing",
          "image": "Oct18_2301_RingWhite_20pct_ConventionalSmooth.png",
          "tiff": "Oct18_2301_RingWhite_20pct_ConventionalSmooth.tif",
          "note": "80% ring-white control plus 20% conventional smoothing, NOT actual Topaz"
        },
        {
          "label": "Pre-Topaz-style RGB control",
          "image": "Oct18_2301_RGB_Balanced_Control_24Median.png",
          "tiff": "Oct18_2301_RGB_Balanced_Control_24Median.tif",
          "note": "Capture-specific RGB balance, wavelet-style sharpening plus 24% median; NOT native RegiStax"
        },
        {
          "label": "Wavelet-style sharpening",
          "image": "Oct18_2301_Wavelets_Softer10Style.png",
          "tiff": "Oct18_2301_Wavelets_Softer10Style.tif",
          "note": "Approximate multiscale sharpening trial, not native RegiStax"
        },
        {
          "label": "Unsharpened · best 250 safe",
          "image": "Oct18_2301_Best250Safe_Registered1p5x.png",
          "tiff": "Oct18_2301_Best250Safe_Registered1p5x.tif",
          "note": "Best 250 of centered sampled frames; 1.5x interpolation, no wavelets"
        },
        {
          "label": "Unsharpened · all sampled safe",
          "image": "Oct18_2301_AllSafeSampled_Registered1p5x.png",
          "tiff": "Oct18_2301_AllSafeSampled_Registered1p5x.tif",
          "note": "All safe sampled frames: 641–642 per recording; no wavelets"
        }
      ]
    },
    {
      "id": "oct18_2304_server_prelim",
      "name": "Oct 18 · 11:04 PM · server trials (ROI drift)",
      "description": "180-second video, Saturn leaves frame for much of the capture; preliminary non-AI previews only",
      "presets": [
        {
          "label": "Punchy white rings · Oct 7 inspired",
          "image": "Oct18_2304_RingWhite_Punchy_Oct7Inspired.png",
          "tiff": "Oct18_2304_RingWhite_Punchy_Oct7Inspired.tif",
          "note": "Brighter white rings, modest extra contrast, no AI"
        },
        {
          "label": "Gentler punchy · 89%",
          "image": "Oct18_2304_RingWhite_Punchy_89pct.png",
          "tiff": "Oct18_2304_RingWhite_Punchy_89pct.tif",
          "note": "Slightly backed-off punchy ring highlights, no AI"
        },
        {
          "label": "Ring whites · RGB balanced",
          "image": "Oct18_2304_RingWhite_RGBBalanced_NoAI.png",
          "tiff": "Oct18_2304_RingWhite_RGBBalanced_NoAI.tif",
          "note": "Neutralized ring channels plus highlight lift, no AI"
        },
        {
          "label": "Ring whites · 20% classic smoothing",
          "image": "Oct18_2304_RingWhite_20pct_ConventionalSmooth.png",
          "tiff": "Oct18_2304_RingWhite_20pct_ConventionalSmooth.tif",
          "note": "80% ring-white control plus 20% conventional smoothing, NOT actual Topaz"
        },
        {
          "label": "Pre-Topaz-style RGB control",
          "image": "Oct18_2304_RGB_Balanced_Control_24Median.png",
          "tiff": "Oct18_2304_RGB_Balanced_Control_24Median.tif",
          "note": "Capture-specific RGB balance, wavelet-style sharpening plus 24% median; NOT native RegiStax"
        },
        {
          "label": "Wavelet-style sharpening",
          "image": "Oct18_2304_Wavelets_Softer10Style.png",
          "tiff": "Oct18_2304_Wavelets_Softer10Style.tif",
          "note": "Approximate multiscale sharpening trial, not native RegiStax"
        },
        {
          "label": "Unsharpened · best 250 safe",
          "image": "Oct18_2304_Best250Safe_Registered1p5x.png",
          "tiff": "Oct18_2304_Best250Safe_Registered1p5x.tif",
          "note": "Best 250 of centered sampled frames; 1.5x interpolation, no wavelets"
        },
        {
          "label": "Unsharpened · all sampled safe",
          "image": "Oct18_2304_AllSafeSampled_Registered1p5x.png",
          "tiff": "Oct18_2304_AllSafeSampled_Registered1p5x.tif",
          "note": "All safe sampled frames: 641–642 per recording; no wavelets"
        }
      ]
    }
  ],
  "public_file_sha256": {
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  },
  "privacy": "Only capture time, non-sensitive camera-processing statistics, and relative filenames; no location or private drive paths."
}