{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2027-09-17","schedule":[{"end":"2027-09-17T18:05Z","end_local":"21:05","hours":1.67,"mean_quality":0.0,"start":"2027-09-17T16:25Z","start_local":"19:25","target":null},{"end":"2027-09-17T22:30Z","end_local":"01:30","hours":4.42,"mean_quality":0.37,"start":"2027-09-17T18:05Z","start_local":"21:05","target":"M31"},{"end":"2027-09-18T00:45Z","end_local":"03:45","hours":2.25,"mean_quality":0.0,"start":"2027-09-17T22:30Z","start_local":"01:30","target":null},{"end":"2027-09-18T02:30Z","end_local":"05:30","hours":1.75,"mean_quality":0.32,"start":"2027-09-18T00:45Z","start_local":"03:45","target":"M31"},{"end":"2027-09-18T04:05Z","end_local":"07:05","hours":1.58,"mean_quality":0.0,"start":"2027-09-18T02:30Z","start_local":"05:30","target":null}],"targets":[{"best_window":{"end":"2027-09-17T22:30Z","end_local":"01:30","hours":4.42,"label":"marginal","mean_quality":0.37,"start":"2027-09-17T18:05Z","start_local":"21:05"},"dec":41.26875,"moon_separation":30.3,"name":"M31","quality_hours":3.15,"ra":10.68470833,"resolved":{"common_name":"Andromeda Galaxy","dec":41.26875,"morphology":"SA(s)b","name":"M 31","ra":10.68470833,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=M31","source":"sesame","type":"AGN","type_text":"galaxy with an active nucleus","vmag":3.44},"score":null,"score_astronomy":34,"score_weather":null,"transit":{"airmass":1.0,"alt":89.6,"az":222.8,"t":"2027-09-17T23:20Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2027-09-17T17:00Z","end_local":"20:00","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2027-09-17T16:25Z","start_local":"19:25"},{"end":"2027-09-17T18:05Z","end_local":"21:05","hours":1.08,"label":"poor","mean_quality":0.14,"start":"2027-09-17T17:00Z","start_local":"20:00"},{"end":"2027-09-17T22:30Z","end_local":"01:30","hours":4.42,"label":"marginal","mean_quality":0.37,"start":"2027-09-17T18:05Z","start_local":"21:05"},{"end":"2027-09-18T00:45Z","end_local":"03:45","hours":2.25,"label":"poor","mean_quality":0.29,"start":"2027-09-17T22:30Z","start_local":"01:30"},{"end":"2027-09-18T02:30Z","end_local":"05:30","hours":1.75,"label":"marginal","mean_quality":0.32,"start":"2027-09-18T00:45Z","start_local":"03:45"},{"end":"2027-09-18T03:40Z","end_local":"06:40","hours":1.17,"label":"poor","mean_quality":0.12,"start":"2027-09-18T02:30Z","start_local":"05:30"},{"end":"2027-09-18T04:05Z","end_local":"07:05","hours":0.42,"label":"unusable","mean_quality":0.0,"start":"2027-09-18T03:40Z","start_local":"06:40"}]}],"unscheduled":[],"warnings":[]}