{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2026-06-18","schedule":[{"end":"2026-06-18T19:20Z","end_local":"22:20","hours":1.42,"mean_quality":0.0,"start":"2026-06-18T17:55Z","start_local":"20:55","target":null},{"end":"2026-06-19T01:00Z","end_local":"04:00","hours":5.67,"mean_quality":0.71,"start":"2026-06-18T19:20Z","start_local":"22:20","target":"Vega"},{"end":"2026-06-19T02:50Z","end_local":"05:50","hours":1.83,"mean_quality":0.0,"start":"2026-06-19T01:00Z","start_local":"04:00","target":null}],"targets":[{"best_window":{"end":"2026-06-19T00:40Z","end_local":"03:40","hours":4.5,"label":"good","mean_quality":0.79,"start":"2026-06-18T20:10Z","start_local":"23:10"},"dec":38.78368896,"moon_separation":111.8,"name":"Vega","quality_hours":4.08,"ra":279.23473479,"resolved":{"common_name":"Vega","dec":38.78368896,"name":"* alf Lyr","ra":279.23473479,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=Vega","source":"sesame","spectral_type":"A0V","type":"dS*","type_text":"delta Scuti variable","vmag":0.03},"score":74,"score_astronomy":100,"score_weather":74,"transit":{"airmass":1.0,"alt":87.1,"az":179.7,"t":"2026-06-18T23:10Z"},"verdict":"good","weather_known":true,"windows":[{"end":"2026-06-18T18:35Z","end_local":"21:35","hours":0.67,"label":"unusable","mean_quality":0.0,"start":"2026-06-18T17:55Z","start_local":"20:55"},{"end":"2026-06-18T19:20Z","end_local":"22:20","hours":0.75,"label":"poor","mean_quality":0.08,"start":"2026-06-18T18:35Z","start_local":"21:35"},{"end":"2026-06-18T20:10Z","end_local":"23:10","hours":0.83,"label":"marginal","mean_quality":0.38,"start":"2026-06-18T19:20Z","start_local":"22:20"},{"end":"2026-06-19T00:40Z","end_local":"03:40","hours":4.5,"label":"good","mean_quality":0.79,"start":"2026-06-18T20:10Z","start_local":"23:10"},{"end":"2026-06-19T01:00Z","end_local":"04:00","hours":0.33,"label":"marginal","mean_quality":0.43,"start":"2026-06-19T00:40Z","start_local":"03:40"},{"end":"2026-06-19T02:50Z","end_local":"05:50","hours":1.83,"label":"unusable","mean_quality":0.0,"start":"2026-06-19T01:00Z","start_local":"04:00"}]}],"unscheduled":[],"warnings":[]}