{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2027-08-12","schedule":[{"end":"2027-08-12T23:10Z","end_local":"02:10","hours":5.75,"mean_quality":0.0,"start":"2027-08-12T17:25Z","start_local":"20:25","target":null},{"end":"2027-08-13T02:20Z","end_local":"05:20","hours":3.17,"mean_quality":0.7,"start":"2027-08-12T23:10Z","start_local":"02:10","target":"M45"},{"end":"2027-08-13T03:30Z","end_local":"06:30","hours":1.17,"mean_quality":0.0,"start":"2027-08-13T02:20Z","start_local":"05:20","target":null}],"targets":[{"best_window":{"end":"2027-08-13T01:40Z","end_local":"04:40","hours":2.0,"label":"good","mean_quality":0.83,"start":"2027-08-12T23:40Z","start_local":"02:40"},"dec":24.11388889,"moon_separation":147.4,"name":"M45","quality_hours":2.32,"ra":56.60083333,"resolved":{"common_name":"Seven Sisters","dec":24.11388889,"name":"Cl Melotte 22","ra":56.60083333,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=M45","source":"sesame","type":"OpC","type_text":"open cluster"},"score":null,"score_astronomy":53,"score_weather":null,"transit":{"airmass":1.05,"alt":72.5,"az":181.1,"t":"2027-08-13T04:45Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2027-08-12T23:10Z","end_local":"02:10","hours":5.75,"label":"unusable","mean_quality":0.0,"start":"2027-08-12T17:25Z","start_local":"20:25"},{"end":"2027-08-12T23:40Z","end_local":"02:40","hours":0.5,"label":"marginal","mean_quality":0.5,"start":"2027-08-12T23:10Z","start_local":"02:10"},{"end":"2027-08-13T01:40Z","end_local":"04:40","hours":2.0,"label":"good","mean_quality":0.83,"start":"2027-08-12T23:40Z","start_local":"02:40"},{"end":"2027-08-13T02:20Z","end_local":"05:20","hours":0.67,"label":"marginal","mean_quality":0.47,"start":"2027-08-13T01:40Z","start_local":"04:40"},{"end":"2027-08-13T03:00Z","end_local":"06:00","hours":0.67,"label":"poor","mean_quality":0.15,"start":"2027-08-13T02:20Z","start_local":"05:20"},{"end":"2027-08-13T03:30Z","end_local":"06:30","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2027-08-13T03:00Z","start_local":"06:00"}]}],"unscheduled":[],"warnings":[]}