{
  "schema_version": 2,
  "name": "San Francisco ground multi-band sky",
  "timestamp": "2026-08-05T01:59:44Z",
  "products": ["all-sky", "observer"],
  "observer": {
    "id": "ground-multiband",
    "name": "San Francisco, California, USA",
    "kind": "terrestrial",
    "latitude_deg": 37.7749,
    "longitude_deg_east": -122.4194,
    "elevation_m": 16.0
  },
  "orientation": {
    "handedness": "celestial",
    "central_right_ascension_hours": 12.0
  },
  "instrumentation": {
    "id": "generic-ground-multiband",
    "name": "Generic ground multi-band reference",
    "mode": "ground-multi-band",
    "bands": [
      "radio",
      "microwave",
      "infrared",
      "optical",
      "ultraviolet",
      "x-ray",
      "gamma-ray",
      "neutrino",
      "gravitational-wave"
    ],
    "night_required_bands": ["infrared", "optical", "ultraviolet"],
    "optical_limiting_magnitude": 5.5,
    "minimum_altitude_deg": 0.0,
    "astronomical_twilight_sun_altitude_deg": -18.0
  },
  "dynamic_events": {
    "lookback_days": 7.0
  },
  "display": {
    "maximum_stars": 500,
    "maximum_exoplanet_hosts": 250,
    "maximum_labels": 40,
    "show_reference_lines": true,
    "show_below_horizon_reference": true
  },
  "catalogs": {
    "gaia_dr3": "gaia-dr3-bright.csv",
    "nasa_exoplanets": "nasa-exoplanet-nearby.csv",
    "curated_sky": "curated-sky.json",
    "small_bodies": [
      "sbdb-ceres.json",
      "sbdb-vesta.json",
      "sbdb-eros.json",
      "sbdb-apophis.json",
      "sbdb-halley.json",
      "sbdb-encke.json",
      "sbdb-67p.json"
    ]
  }
}