{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2042-12-21","schedule":[{"end":"2042-12-21T16:35Z","end_local":"18:35","hours":1.75,"mean_quality":0.0,"start":"2042-12-21T14:50Z","start_local":"16:50","target":null},{"end":"2042-12-22T01:45Z","end_local":"03:45","hours":9.17,"mean_quality":0.56,"start":"2042-12-21T16:35Z","start_local":"18:35","target":"M45"},{"end":"2042-12-22T05:50Z","end_local":"07:50","hours":4.08,"mean_quality":0.0,"start":"2042-12-22T01:45Z","start_local":"03:45","target":null}],"targets":[{"best_window":{"end":"2042-12-22T00:30Z","end_local":"02:30","hours":2.58,"label":"good","mean_quality":0.61,"start":"2042-12-21T21:55Z","start_local":"23:55"},"dec":24.11388889,"moon_separation":34.7,"name":"M45","quality_hours":5.29,"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":82,"score_weather":null,"transit":{"airmass":1.05,"alt":72.5,"az":181.6,"t":"2042-12-21T20:10Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2042-12-21T15:30Z","end_local":"17:30","hours":0.67,"label":"unusable","mean_quality":0.0,"start":"2042-12-21T14:50Z","start_local":"16:50"},{"end":"2042-12-21T16:35Z","end_local":"18:35","hours":1.08,"label":"poor","mean_quality":0.14,"start":"2042-12-21T15:30Z","start_local":"17:30"},{"end":"2042-12-21T21:55Z","end_local":"23:55","hours":5.33,"label":"marginal","mean_quality":0.52,"start":"2042-12-21T16:35Z","start_local":"18:35"},{"end":"2042-12-22T00:30Z","end_local":"02:30","hours":2.58,"label":"good","mean_quality":0.61,"start":"2042-12-21T21:55Z","start_local":"23:55"},{"end":"2042-12-22T00:35Z","end_local":"02:35","hours":0.08,"label":"marginal","mean_quality":0.6,"start":"2042-12-22T00:30Z","start_local":"02:30"},{"end":"2042-12-22T01:20Z","end_local":"03:20","hours":0.75,"label":"good","mean_quality":0.74,"start":"2042-12-22T00:35Z","start_local":"02:35"},{"end":"2042-12-22T01:45Z","end_local":"03:45","hours":0.42,"label":"marginal","mean_quality":0.5,"start":"2042-12-22T01:20Z","start_local":"03:20"},{"end":"2042-12-22T05:50Z","end_local":"07:50","hours":4.08,"label":"unusable","mean_quality":0.0,"start":"2042-12-22T01:45Z","start_local":"03:45"}]}],"unscheduled":[],"warnings":[]}
