{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2027-02-25","schedule":[{"end":"2027-02-25T17:10Z","end_local":"19:10","hours":1.08,"mean_quality":0.0,"start":"2027-02-25T16:05Z","start_local":"18:05","target":null},{"end":"2027-02-25T21:25Z","end_local":"23:25","hours":4.25,"mean_quality":0.79,"start":"2027-02-25T17:10Z","start_local":"19:10","target":"M45"},{"end":"2027-02-26T05:05Z","end_local":"07:05","hours":7.67,"mean_quality":0.0,"start":"2027-02-25T21:25Z","start_local":"23:25","target":null}],"targets":[{"best_window":{"end":"2027-02-25T21:00Z","end_local":"23:00","hours":3.33,"label":"good","mean_quality":0.88,"start":"2027-02-25T17:40Z","start_local":"19:40"},"dec":24.11388889,"moon_separation":161.2,"name":"M45","quality_hours":3.47,"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":181.6,"t":"2027-02-25T15:50Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2027-02-25T16:35Z","end_local":"18:35","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2027-02-25T16:05Z","start_local":"18:05"},{"end":"2027-02-25T17:10Z","end_local":"19:10","hours":0.58,"label":"poor","mean_quality":0.15,"start":"2027-02-25T16:35Z","start_local":"18:35"},{"end":"2027-02-25T17:40Z","end_local":"19:40","hours":0.5,"label":"marginal","mean_quality":0.5,"start":"2027-02-25T17:10Z","start_local":"19:10"},{"end":"2027-02-25T21:00Z","end_local":"23:00","hours":3.33,"label":"good","mean_quality":0.88,"start":"2027-02-25T17:40Z","start_local":"19:40"},{"end":"2027-02-25T21:25Z","end_local":"23:25","hours":0.42,"label":"marginal","mean_quality":0.5,"start":"2027-02-25T21:00Z","start_local":"23:00"},{"end":"2027-02-26T05:05Z","end_local":"07:05","hours":7.67,"label":"unusable","mean_quality":0.0,"start":"2027-02-25T21:25Z","start_local":"23:25"}]}],"unscheduled":[],"warnings":[]}