{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2027-02-04","schedule":[{"end":"2027-02-04T21:35Z","end_local":"23:35","hours":6.0,"mean_quality":0.0,"start":"2027-02-04T15:35Z","start_local":"17:35","target":null},{"end":"2027-02-05T04:30Z","end_local":"06:30","hours":6.92,"mean_quality":0.82,"start":"2027-02-04T21:35Z","start_local":"23:35","target":"3C 273"},{"end":"2027-02-05T05:30Z","end_local":"07:30","hours":1.0,"mean_quality":0.0,"start":"2027-02-05T04:30Z","start_local":"06:30","target":null}],"targets":[{"best_window":{"end":"2027-02-05T03:55Z","end_local":"05:55","hours":5.83,"label":"good","mean_quality":0.88,"start":"2027-02-04T22:05Z","start_local":"00:05"},"dec":2.05238823,"moon_separation":111.3,"name":"3C 273","quality_hours":5.71,"ra":187.27791594,"resolved":{"dec":2.05238823,"morphology":"E3","name":"3C 273","ra":187.27791594,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=3C%20273","source":"sesame","type":"BLL","type_text":"BL Lac object \u2014 a blazar","vmag":14.83},"score":null,"score_astronomy":93,"score_weather":null,"transit":{"airmass":1.3,"alt":50.2,"az":179.4,"t":"2027-02-05T01:50Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2027-02-04T21:35Z","end_local":"23:35","hours":6.0,"label":"unusable","mean_quality":0.0,"start":"2027-02-04T15:35Z","start_local":"17:35"},{"end":"2027-02-04T22:05Z","end_local":"00:05","hours":0.5,"label":"marginal","mean_quality":0.5,"start":"2027-02-04T21:35Z","start_local":"23:35"},{"end":"2027-02-05T03:55Z","end_local":"05:55","hours":5.83,"label":"good","mean_quality":0.88,"start":"2027-02-04T22:05Z","start_local":"00:05"},{"end":"2027-02-05T04:30Z","end_local":"06:30","hours":0.58,"label":"marginal","mean_quality":0.43,"start":"2027-02-05T03:55Z","start_local":"05:55"},{"end":"2027-02-05T05:05Z","end_local":"07:05","hours":0.58,"label":"poor","mean_quality":0.12,"start":"2027-02-05T04:30Z","start_local":"06:30"},{"end":"2027-02-05T05:30Z","end_local":"07:30","hours":0.42,"label":"unusable","mean_quality":0.0,"start":"2027-02-05T05:05Z","start_local":"07:05"}]}],"unscheduled":[],"warnings":[]}