{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2027-10-15","schedule":[{"end":"2027-10-16T00:10Z","end_local":"03:10","hours":8.5,"mean_quality":0.0,"start":"2027-10-15T15:40Z","start_local":"18:40","target":null},{"end":"2027-10-16T03:05Z","end_local":"06:05","hours":2.92,"mean_quality":0.36,"start":"2027-10-16T00:10Z","start_local":"03:10","target":"M45"},{"end":"2027-10-16T04:35Z","end_local":"07:35","hours":1.5,"mean_quality":0.0,"start":"2027-10-16T03:05Z","start_local":"06:05","target":null}],"targets":[{"best_window":{"end":"2027-10-16T03:05Z","end_local":"06:05","hours":2.92,"label":"marginal","mean_quality":0.36,"start":"2027-10-16T00:10Z","start_local":"03:10"},"dec":24.11388889,"moon_separation":33.2,"name":"M45","quality_hours":2.53,"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":27,"score_weather":null,"transit":{"airmass":1.05,"alt":72.5,"az":178.6,"t":"2027-10-16T00:30Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2027-10-15T19:00Z","end_local":"22:00","hours":3.33,"label":"unusable","mean_quality":0.0,"start":"2027-10-15T15:40Z","start_local":"18:40"},{"end":"2027-10-16T00:10Z","end_local":"03:10","hours":5.17,"label":"poor","mean_quality":0.25,"start":"2027-10-15T19:00Z","start_local":"22:00"},{"end":"2027-10-16T03:05Z","end_local":"06:05","hours":2.92,"label":"marginal","mean_quality":0.36,"start":"2027-10-16T00:10Z","start_local":"03:10"},{"end":"2027-10-16T04:10Z","end_local":"07:10","hours":1.08,"label":"poor","mean_quality":0.14,"start":"2027-10-16T03:05Z","start_local":"06:05"},{"end":"2027-10-16T04:35Z","end_local":"07:35","hours":0.42,"label":"unusable","mean_quality":0.0,"start":"2027-10-16T04:10Z","start_local":"07:10"}]}],"unscheduled":[],"warnings":[]}
