{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2026-05-15","schedule":[{"end":"2026-05-16T03:05Z","end_local":"06:05","hours":9.58,"mean_quality":0.0,"start":"2026-05-15T17:30Z","start_local":"20:30","target":null}],"targets":[{"best_window":null,"dec":41.26875,"moon_separation":31.7,"name":"M31","quality_hours":0.04,"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":1,"score_astronomy":5,"score_weather":10,"transit":{"airmass":1.0,"alt":89.7,"az":210.9,"t":"2026-05-16T07:30Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2026-05-16T00:50Z","end_local":"03:50","hours":7.33,"label":"unusable","mean_quality":0.0,"start":"2026-05-15T17:30Z","start_local":"20:30"},{"end":"2026-05-16T01:00Z","end_local":"04:00","hours":0.17,"label":"poor","mean_quality":0.25,"start":"2026-05-16T00:50Z","start_local":"03:50"},{"end":"2026-05-16T03:05Z","end_local":"06:05","hours":2.08,"label":"unusable","mean_quality":0.0,"start":"2026-05-16T01:00Z","start_local":"04:00"}]}],"unscheduled":[{"name":"M31","why":"no usable window tonight"}],"warnings":[]}
