{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2027-10-08","schedule":[{"end":"2027-10-08T19:25Z","end_local":"22:25","hours":3.58,"mean_quality":0.0,"start":"2027-10-08T15:50Z","start_local":"18:50","target":null},{"end":"2027-10-09T03:30Z","end_local":"06:30","hours":8.08,"mean_quality":0.87,"start":"2027-10-08T19:25Z","start_local":"22:25","target":"M45"},{"end":"2027-10-09T04:30Z","end_local":"07:30","hours":1.0,"mean_quality":0.0,"start":"2027-10-09T03:30Z","start_local":"06:30","target":null}],"targets":[{"best_window":{"end":"2027-10-09T02:55Z","end_local":"05:55","hours":6.92,"label":"good","mean_quality":0.93,"start":"2027-10-08T20:00Z","start_local":"23:00"},"dec":24.11388889,"moon_separation":118.8,"name":"M45","quality_hours":7.08,"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":180.5,"t":"2027-10-09T01:00Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2027-10-08T19:25Z","end_local":"22:25","hours":3.58,"label":"unusable","mean_quality":0.0,"start":"2027-10-08T15:50Z","start_local":"18:50"},{"end":"2027-10-08T20:00Z","end_local":"23:00","hours":0.58,"label":"marginal","mean_quality":0.48,"start":"2027-10-08T19:25Z","start_local":"22:25"},{"end":"2027-10-09T02:55Z","end_local":"05:55","hours":6.92,"label":"good","mean_quality":0.93,"start":"2027-10-08T20:00Z","start_local":"23:00"},{"end":"2027-10-09T03:30Z","end_local":"06:30","hours":0.58,"label":"marginal","mean_quality":0.49,"start":"2027-10-09T02:55Z","start_local":"05:55"},{"end":"2027-10-09T04:00Z","end_local":"07:00","hours":0.5,"label":"poor","mean_quality":0.14,"start":"2027-10-09T03:30Z","start_local":"06:30"},{"end":"2027-10-09T04:30Z","end_local":"07:30","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2027-10-09T04:00Z","start_local":"07:00"}]}],"unscheduled":[],"warnings":[]}