{
  "id": "00000000-0000-4000-8000-000000000001",
  "title": "M31 deep H-alpha",
  "state": "open",
  "revision": 1,
  "published_at": "2026-10-04T04:00:00Z",
  "requirements": {
    "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": "calibrated_subs"
  }
}