{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2027-08-10","schedule":[{"end":"2027-08-10T23:20Z","end_local":"02:20","hours":5.92,"mean_quality":0.0,"start":"2027-08-10T17:25Z","start_local":"20:25","target":null},{"end":"2027-08-11T02:20Z","end_local":"05:20","hours":3.0,"mean_quality":0.7,"start":"2027-08-10T23:20Z","start_local":"02:20","target":"M45"},{"end":"2027-08-11T03:25Z","end_local":"06:25","hours":1.08,"mean_quality":0.0,"start":"2027-08-11T02:20Z","start_local":"05:20","target":null}],"targets":[{"best_window":{"end":"2027-08-11T01:40Z","end_local":"04:40","hours":1.92,"label":"good","mean_quality":0.82,"start":"2027-08-10T23:45Z","start_local":"02:45"},"dec":24.11388889,"moon_separation":171.6,"name":"M45","quality_hours":2.17,"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":49,"score_weather":null,"transit":{"airmass":1.05,"alt":72.5,"az":179.0,"t":"2027-08-11T04:50Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2027-08-10T23:20Z","end_local":"02:20","hours":5.92,"label":"unusable","mean_quality":0.0,"start":"2027-08-10T17:25Z","start_local":"20:25"},{"end":"2027-08-10T23:45Z","end_local":"02:45","hours":0.42,"label":"marginal","mean_quality":0.5,"start":"2027-08-10T23:20Z","start_local":"02:20"},{"end":"2027-08-11T01:40Z","end_local":"04:40","hours":1.92,"label":"good","mean_quality":0.82,"start":"2027-08-10T23:45Z","start_local":"02:45"},{"end":"2027-08-11T02:20Z","end_local":"05:20","hours":0.67,"label":"marginal","mean_quality":0.47,"start":"2027-08-11T01:40Z","start_local":"04:40"},{"end":"2027-08-11T02:55Z","end_local":"05:55","hours":0.58,"label":"poor","mean_quality":0.15,"start":"2027-08-11T02:20Z","start_local":"05:20"},{"end":"2027-08-11T03:25Z","end_local":"06:25","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2027-08-11T02:55Z","start_local":"05:55"}]}],"unscheduled":[],"warnings":[]}