{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2027-01-24","schedule":[{"end":"2027-01-24T16:30Z","end_local":"18:30","hours":1.08,"mean_quality":0.0,"start":"2027-01-24T15:25Z","start_local":"17:25","target":null},{"end":"2027-01-24T23:30Z","end_local":"01:30","hours":7.0,"mean_quality":0.74,"start":"2027-01-24T16:30Z","start_local":"18:30","target":"M45"},{"end":"2027-01-25T05:40Z","end_local":"07:40","hours":6.17,"mean_quality":0.0,"start":"2027-01-24T23:30Z","start_local":"01:30","target":null}],"targets":[{"best_window":{"end":"2027-01-24T22:40Z","end_local":"00:40","hours":5.58,"label":"good","mean_quality":0.8,"start":"2027-01-24T17:05Z","start_local":"19:05"},"dec":24.11388889,"moon_separation":98.7,"name":"M45","quality_hours":5.22,"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":180.9,"t":"2027-01-24T17:55Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2027-01-24T16:00Z","end_local":"18:00","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2027-01-24T15:25Z","start_local":"17:25"},{"end":"2027-01-24T16:30Z","end_local":"18:30","hours":0.5,"label":"poor","mean_quality":0.15,"start":"2027-01-24T16:00Z","start_local":"18:00"},{"end":"2027-01-24T17:05Z","end_local":"19:05","hours":0.58,"label":"marginal","mean_quality":0.5,"start":"2027-01-24T16:30Z","start_local":"18:30"},{"end":"2027-01-24T22:40Z","end_local":"00:40","hours":5.58,"label":"good","mean_quality":0.8,"start":"2027-01-24T17:05Z","start_local":"19:05"},{"end":"2027-01-24T23:30Z","end_local":"01:30","hours":0.83,"label":"marginal","mean_quality":0.45,"start":"2027-01-24T22:40Z","start_local":"00:40"},{"end":"2027-01-25T05:40Z","end_local":"07:40","hours":6.17,"label":"unusable","mean_quality":0.0,"start":"2027-01-24T23:30Z","start_local":"01:30"}]}],"unscheduled":[],"warnings":[]}