{
  "title": "M31 deep H-alpha",
  "description": "Calibrated linear mono data for the outer disk.",
  "targets": [
    {
      "id": "00000000-0000-4000-8000-000000000004",
      "name": "M31 outer disk",
      "footprint": {
        "center": {
          "ra_degrees": 10.6847,
          "dec_degrees": 41.269
        },
        "width_degrees": 3.0,
        "height_degrees": 2.0,
        "position_angle_degrees": 0
      }
    }
  ],
  "processing_groups": [
    {
      "id": "00000000-0000-4000-8000-000000000006",
      "name": "Linear mono wide field",
      "sampling_arcsec_per_pixel": {
        "min": 1,
        "max": 3
      },
      "color_state": "mono",
      "registration": "unregistered",
      "linear": true,
      "required_calibration_steps": [
        "dark_subtract",
        "flat_correct"
      ]
    }
  ],
  "objectives": [
    {
      "id": "00000000-0000-4000-8000-000000000005",
      "target_id": "00000000-0000-4000-8000-000000000004",
      "processing_group_id": "00000000-0000-4000-8000-000000000006",
      "purpose": "deep",
      "exposure": {
        "min_seconds": 300,
        "max_seconds": 600
      },
      "goal": {
        "accepted_frames": 120,
        "accepted_integration_seconds": 36000
      },
      "minimum_coverage_fraction": 0.95,
      "fresh_pixel_solve": true,
      "quality_rules": [
        {
          "metric": "fwhm",
          "method": "example.psf",
          "method_version": "1",
          "unit": "arcsec",
          "required": false,
          "max_value": 4.0
        }
      ],
      "required_features": [],
      "bandpasses": [
        {
          "name": "H-alpha",
          "center_nm": 656.3,
          "width_nm": 3.0
        }
      ]
    }
  ],
  "terms": {
    "id": "00000000-0000-4000-8000-000000000019",
    "version": 1,
    "url": "https://collab.example/terms/m31/1",
    "sha256": "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb"
  },
  "capture_deadline": "2026-12-01T00:00:00Z",
  "submission_deadline": "2026-12-15T00:00:00Z",
  "required_features": [],
  "deliverable": "stacked_masters",
  "master_rules": {
    "min_sub_count": 20,
    "allow_drizzle": false
  }
}