{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2027-01-21","schedule":[{"end":"2027-01-21T16:30Z","end_local":"18:30","hours":1.17,"mean_quality":0.0,"start":"2027-01-21T15:20Z","start_local":"17:20","target":null},{"end":"2027-01-21T21:30Z","end_local":"23:30","hours":5.0,"mean_quality":0.54,"start":"2027-01-21T16:30Z","start_local":"18:30","target":"M31"},{"end":"2027-01-22T05:45Z","end_local":"07:45","hours":8.25,"mean_quality":0.0,"start":"2027-01-21T21:30Z","start_local":"23:30","target":null}],"targets":[{"best_window":{"end":"2027-01-21T18:45Z","end_local":"20:45","hours":1.75,"label":"good","mean_quality":0.66,"start":"2027-01-21T17:00Z","start_local":"19:00"},"dec":41.26875,"moon_separation":85.1,"name":"M31","quality_hours":2.83,"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":49,"score_weather":null,"transit":{"airmass":1.0,"alt":89.5,"az":122.9,"t":"2027-01-21T15:00Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2027-01-21T15:55Z","end_local":"17:55","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2027-01-21T15:20Z","start_local":"17:20"},{"end":"2027-01-21T16:30Z","end_local":"18:30","hours":0.58,"label":"poor","mean_quality":0.11,"start":"2027-01-21T15:55Z","start_local":"17:55"},{"end":"2027-01-21T17:00Z","end_local":"19:00","hours":0.5,"label":"marginal","mean_quality":0.35,"start":"2027-01-21T16:30Z","start_local":"18:30"},{"end":"2027-01-21T18:45Z","end_local":"20:45","hours":1.75,"label":"good","mean_quality":0.66,"start":"2027-01-21T17:00Z","start_local":"19:00"},{"end":"2027-01-21T21:30Z","end_local":"23:30","hours":2.75,"label":"marginal","mean_quality":0.5,"start":"2027-01-21T18:45Z","start_local":"20:45"},{"end":"2027-01-21T21:45Z","end_local":"23:45","hours":0.25,"label":"poor","mean_quality":0.27,"start":"2027-01-21T21:30Z","start_local":"23:30"},{"end":"2027-01-22T05:45Z","end_local":"07:45","hours":8.0,"label":"unusable","mean_quality":0.0,"start":"2027-01-21T21:45Z","start_local":"23:45"}]}],"unscheduled":[],"warnings":[]}