{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2027-03-05","schedule":[{"end":"2027-03-05T17:20Z","end_local":"19:20","hours":1.08,"mean_quality":0.0,"start":"2027-03-05T16:15Z","start_local":"18:15","target":null},{"end":"2027-03-05T20:55Z","end_local":"22:55","hours":3.58,"mean_quality":0.75,"start":"2027-03-05T17:20Z","start_local":"19:20","target":"M45"},{"end":"2027-03-06T04:50Z","end_local":"06:50","hours":7.92,"mean_quality":0.0,"start":"2027-03-05T20:55Z","start_local":"22:55","target":null}],"targets":[{"best_window":{"end":"2027-03-05T20:25Z","end_local":"22:25","hours":2.58,"label":"good","mean_quality":0.85,"start":"2027-03-05T17:50Z","start_local":"19:50"},"dec":24.11388889,"moon_separation":102.3,"name":"M45","quality_hours":2.79,"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":67,"score_weather":null,"transit":{"airmass":1.05,"alt":72.5,"az":178.9,"t":"2027-03-05T15:15Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2027-03-05T16:45Z","end_local":"18:45","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2027-03-05T16:15Z","start_local":"18:15"},{"end":"2027-03-05T17:20Z","end_local":"19:20","hours":0.58,"label":"poor","mean_quality":0.15,"start":"2027-03-05T16:45Z","start_local":"18:45"},{"end":"2027-03-05T17:50Z","end_local":"19:50","hours":0.5,"label":"marginal","mean_quality":0.49,"start":"2027-03-05T17:20Z","start_local":"19:20"},{"end":"2027-03-05T20:25Z","end_local":"22:25","hours":2.58,"label":"good","mean_quality":0.85,"start":"2027-03-05T17:50Z","start_local":"19:50"},{"end":"2027-03-05T20:55Z","end_local":"22:55","hours":0.5,"label":"marginal","mean_quality":0.51,"start":"2027-03-05T20:25Z","start_local":"22:25"},{"end":"2027-03-06T04:50Z","end_local":"06:50","hours":7.92,"label":"unusable","mean_quality":0.0,"start":"2027-03-05T20:55Z","start_local":"22:55"}]}],"unscheduled":[],"warnings":[]}