{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2026-01-06","schedule":[{"end":"2026-01-07T05:50Z","end_local":"07:50","hours":14.75,"mean_quality":0.0,"start":"2026-01-06T15:05Z","start_local":"17:05","target":null}],"targets":[{"best_window":null,"dec":2.05238823,"moon_separation":33.0,"name":"3C 273","quality_hours":0.13,"ra":187.27791594,"resolved":{"dec":2.05238823,"morphology":"E3","name":"3C 273","ra":187.27791594,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=3C%20273","source":"sesame","type":"BLL","type_text":"BL Lac object \u2014 a blazar","vmag":14.83},"score":1,"score_astronomy":18,"score_weather":7,"transit":{"airmass":1.3,"alt":50.2,"az":180.2,"t":"2026-01-07T03:45Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2026-01-07T03:00Z","end_local":"05:00","hours":11.92,"label":"unusable","mean_quality":0.0,"start":"2026-01-06T15:05Z","start_local":"17:05"},{"end":"2026-01-07T05:20Z","end_local":"07:20","hours":2.33,"label":"poor","mean_quality":0.05,"start":"2026-01-07T03:00Z","start_local":"05:00"},{"end":"2026-01-07T05:50Z","end_local":"07:50","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2026-01-07T05:20Z","start_local":"07:20"}]}],"unscheduled":[{"name":"3C 273","why":"Overcast (\u226580 % cloud) for 11.3 of 13.7 dark hours \u2014 the sky is closed whatever the geometry says."}],"warnings":[]}