{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2026-03-04","schedule":[{"end":"2026-03-05T04:50Z","end_local":"06:50","hours":12.67,"mean_quality":0.0,"start":"2026-03-04T16:10Z","start_local":"18:10","target":null}],"targets":[{"best_window":null,"dec":41.26875,"moon_separation":140.4,"name":"M31","quality_hours":0.02,"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":2,"transit":{"airmass":1.0,"alt":89.6,"az":143.1,"t":"2026-03-04T12:15Z"},"verdict":"unusable","weather_known":true,"windows":[{"end":"2026-03-04T16:45Z","end_local":"18:45","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2026-03-04T16:10Z","start_local":"18:10"},{"end":"2026-03-04T17:00Z","end_local":"19:00","hours":0.25,"label":"poor","mean_quality":0.07,"start":"2026-03-04T16:45Z","start_local":"18:45"},{"end":"2026-03-05T04:50Z","end_local":"06:50","hours":11.83,"label":"unusable","mean_quality":0.0,"start":"2026-03-04T17:00Z","start_local":"19:00"}]}],"unscheduled":[{"name":"M31","why":"Overcast (\u226580 % cloud) for 11.4 of 11.7 dark hours \u2014 the sky is closed whatever the geometry says."}],"warnings":[]}