{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2027-02-11","schedule":[{"end":"2027-02-11T16:55Z","end_local":"18:55","hours":1.17,"mean_quality":0.0,"start":"2027-02-11T15:45Z","start_local":"17:45","target":null},{"end":"2027-02-11T22:20Z","end_local":"00:20","hours":5.42,"mean_quality":0.75,"start":"2027-02-11T16:55Z","start_local":"18:55","target":"M45"},{"end":"2027-02-12T05:25Z","end_local":"07:25","hours":7.08,"mean_quality":0.0,"start":"2027-02-11T22:20Z","start_local":"00:20","target":null}],"targets":[{"best_window":{"end":"2027-02-11T21:55Z","end_local":"23:55","hours":4.5,"label":"good","mean_quality":0.81,"start":"2027-02-11T17:25Z","start_local":"19:25"},"dec":24.11388889,"moon_separation":36.3,"name":"M45","quality_hours":4.16,"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":87,"score_weather":null,"transit":{"airmass":1.05,"alt":72.5,"az":181.5,"t":"2027-02-11T16:45Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2027-02-11T16:20Z","end_local":"18:20","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2027-02-11T15:45Z","start_local":"17:45"},{"end":"2027-02-11T16:55Z","end_local":"18:55","hours":0.58,"label":"poor","mean_quality":0.13,"start":"2027-02-11T16:20Z","start_local":"18:20"},{"end":"2027-02-11T17:25Z","end_local":"19:25","hours":0.5,"label":"marginal","mean_quality":0.42,"start":"2027-02-11T16:55Z","start_local":"18:55"},{"end":"2027-02-11T21:55Z","end_local":"23:55","hours":4.5,"label":"good","mean_quality":0.81,"start":"2027-02-11T17:25Z","start_local":"19:25"},{"end":"2027-02-11T22:20Z","end_local":"00:20","hours":0.42,"label":"marginal","mean_quality":0.5,"start":"2027-02-11T21:55Z","start_local":"23:55"},{"end":"2027-02-12T05:25Z","end_local":"07:25","hours":7.08,"label":"unusable","mean_quality":0.0,"start":"2027-02-11T22:20Z","start_local":"00:20"}]}],"unscheduled":[],"warnings":[]}