{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2026-06-08","schedule":[{"end":"2026-06-09T02:50Z","end_local":"05:50","hours":9.0,"mean_quality":0.0,"start":"2026-06-08T17:50Z","start_local":"20:50","target":null}],"targets":[{"best_window":null,"dec":41.26875,"moon_separation":44.5,"name":"M31","quality_hours":0.01,"ra":10.68470833,"resolved":{"common_name":"Andromeda Galaxy","dec":41.26875,"morphology":"SA(s)b","name":"M 31","ra":10.68470833,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=M31","source":"sesame","type":"AGN","type_text":"galaxy with an active nucleus","vmag":3.44},"score":0,"score_astronomy":17,"score_weather":1,"transit":{"airmass":1.0,"alt":89.7,"az":189.6,"t":"2026-06-09T05:55Z"},"verdict":"unusable","weather_known":true,"windows":[{"end":"2026-06-09T02:00Z","end_local":"05:00","hours":8.17,"label":"unusable","mean_quality":0.0,"start":"2026-06-08T17:50Z","start_local":"20:50"},{"end":"2026-06-09T02:15Z","end_local":"05:15","hours":0.25,"label":"poor","mean_quality":0.03,"start":"2026-06-09T02:00Z","start_local":"05:00"},{"end":"2026-06-09T02:50Z","end_local":"05:50","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2026-06-09T02:15Z","start_local":"05:15"}]}],"unscheduled":[{"name":"M31","why":"Overcast (\u226580 % cloud) for 7.5 of 7.7 dark hours \u2014 the sky is closed whatever the geometry says."}],"warnings":[]}