{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2027-10-10","schedule":[{"end":"2027-10-10T19:20Z","end_local":"22:20","hours":3.58,"mean_quality":0.0,"start":"2027-10-10T15:45Z","start_local":"18:45","target":null},{"end":"2027-10-11T03:30Z","end_local":"06:30","hours":8.17,"mean_quality":0.8,"start":"2027-10-10T19:20Z","start_local":"22:20","target":"M45"},{"end":"2027-10-11T04:30Z","end_local":"07:30","hours":1.0,"mean_quality":0.0,"start":"2027-10-11T03:30Z","start_local":"06:30","target":null}],"targets":[{"best_window":{"end":"2027-10-11T03:00Z","end_local":"06:00","hours":6.92,"label":"good","mean_quality":0.86,"start":"2027-10-10T20:05Z","start_local":"23:05"},"dec":24.11388889,"moon_separation":95.1,"name":"M45","quality_hours":6.62,"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":100,"score_weather":null,"transit":{"airmass":1.05,"alt":72.5,"az":178.8,"t":"2027-10-11T00:50Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2027-10-10T19:20Z","end_local":"22:20","hours":3.58,"label":"unusable","mean_quality":0.0,"start":"2027-10-10T15:45Z","start_local":"18:45"},{"end":"2027-10-10T20:05Z","end_local":"23:05","hours":0.75,"label":"marginal","mean_quality":0.46,"start":"2027-10-10T19:20Z","start_local":"22:20"},{"end":"2027-10-11T03:00Z","end_local":"06:00","hours":6.92,"label":"good","mean_quality":0.86,"start":"2027-10-10T20:05Z","start_local":"23:05"},{"end":"2027-10-11T03:30Z","end_local":"06:30","hours":0.5,"label":"marginal","mean_quality":0.49,"start":"2027-10-11T03:00Z","start_local":"06:00"},{"end":"2027-10-11T04:05Z","end_local":"07:05","hours":0.58,"label":"poor","mean_quality":0.14,"start":"2027-10-11T03:30Z","start_local":"06:30"},{"end":"2027-10-11T04:30Z","end_local":"07:30","hours":0.42,"label":"unusable","mean_quality":0.0,"start":"2027-10-11T04:05Z","start_local":"07:05"}]}],"unscheduled":[],"warnings":[]}