{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2026-05-21","schedule":[{"end":"2026-05-22T03:00Z","end_local":"06:00","hours":9.42,"mean_quality":0.0,"start":"2026-05-21T17:35Z","start_local":"20:35","target":null}],"targets":[{"best_window":null,"dec":44.33,"moon_separation":116.4,"name":"NGC 7000","quality_hours":0.18,"ra":314.69583333,"resolved":{"common_name":"North America Nebula","dec":44.33,"name":"NGC 7000","ra":314.69583333,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=NGC%207000","source":"sesame","type":"Cl*","type_text":"star cluster"},"score":4,"score_astronomy":100,"score_weather":4,"transit":{"airmass":1.0,"alt":87.2,"az":6.2,"t":"2026-05-22T03:20Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2026-05-21T20:30Z","end_local":"23:30","hours":2.92,"label":"unusable","mean_quality":0.0,"start":"2026-05-21T17:35Z","start_local":"20:35"},{"end":"2026-05-21T21:00Z","end_local":"00:00","hours":0.5,"label":"poor","mean_quality":0.22,"start":"2026-05-21T20:30Z","start_local":"23:30"},{"end":"2026-05-22T01:00Z","end_local":"04:00","hours":4.0,"label":"unusable","mean_quality":0.0,"start":"2026-05-21T21:00Z","start_local":"00:00"},{"end":"2026-05-22T02:00Z","end_local":"05:00","hours":1.0,"label":"poor","mean_quality":0.07,"start":"2026-05-22T01:00Z","start_local":"04:00"},{"end":"2026-05-22T03:00Z","end_local":"06:00","hours":1.0,"label":"unusable","mean_quality":0.0,"start":"2026-05-22T02:00Z","start_local":"05:00"}]}],"unscheduled":[{"name":"NGC 7000","why":"no usable window tonight"}],"warnings":[]}
