{"calculation_version":"2026-10-10.1","days":30,"nights":[{"best_hours":9.25,"best_label":"good","best_window":"18:40\u201303:55","dark_hours":10.93,"date":"2042-11-14","moon_free_dark_hours":10.92,"moon_illumination":4,"moon_separation":136.2,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"22:20","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":9.17,"best_label":"good","best_window":"18:40\u201303:50","dark_hours":10.96,"date":"2042-11-15","moon_free_dark_hours":10.93,"moon_illumination":9,"moon_separation":124.9,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"22:15","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":9.08,"best_label":"good","best_window":"18:40\u201303:45","dark_hours":10.99,"date":"2042-11-16","moon_free_dark_hours":10.4,"moon_illumination":15,"moon_separation":113.3,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"22:15","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":9.0,"best_label":"good","best_window":"18:40\u201303:40","dark_hours":11.02,"date":"2042-11-17","moon_free_dark_hours":9.38,"moon_illumination":23,"moon_separation":101.3,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"22:10","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":9.0,"best_label":"good","best_window":"18:40\u201303:40","dark_hours":11.05,"date":"2042-11-18","moon_free_dark_hours":8.25,"moon_illumination":32,"moon_separation":89.0,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"22:05","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":9.0,"best_label":"good","best_window":"18:35\u201303:35","dark_hours":11.07,"date":"2042-11-19","moon_free_dark_hours":7.07,"moon_illumination":43,"moon_separation":76.5,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"22:00","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":8.92,"best_label":"good","best_window":"18:35\u201303:30","dark_hours":11.1,"date":"2042-11-20","moon_free_dark_hours":5.87,"moon_illumination":54,"moon_separation":63.8,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"21:55","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":8.83,"best_label":"good","best_window":"18:35\u201303:25","dark_hours":11.12,"date":"2042-11-21","moon_free_dark_hours":4.65,"moon_illumination":64,"moon_separation":50.8,"score":null,"score_astronomy":94,"score_weather":null,"transit_alt":79.2,"transit_local":"21:55","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":3.58,"best_label":"good","best_window":"23:45\u201303:20","dark_hours":11.15,"date":"2042-11-22","moon_free_dark_hours":3.43,"moon_illumination":75,"moon_separation":38.1,"score":null,"score_astronomy":84,"score_weather":null,"transit_alt":79.2,"transit_local":"21:50","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":9.17,"best_label":"marginal","best_window":"18:35\u201303:45","dark_hours":11.17,"date":"2042-11-23","moon_free_dark_hours":2.17,"moon_illumination":84,"moon_separation":26.3,"score":null,"score_astronomy":49,"score_weather":null,"transit_alt":79.2,"transit_local":"21:45","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":8.75,"best_label":"marginal","best_window":"18:35\u201303:20","dark_hours":11.19,"date":"2042-11-24","moon_free_dark_hours":0.87,"moon_illumination":92,"moon_separation":18.4,"score":null,"score_astronomy":32,"score_weather":null,"transit_alt":79.2,"transit_local":"21:40","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":2.0,"best_label":"marginal","best_window":"18:35\u201320:35","dark_hours":11.22,"date":"2042-11-25","moon_free_dark_hours":0.0,"moon_illumination":97,"moon_separation":20.5,"score":null,"score_astronomy":26,"score_weather":null,"transit_alt":79.2,"transit_local":"21:40","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":2.33,"best_label":"marginal","best_window":"18:35\u201320:55","dark_hours":11.24,"date":"2042-11-26","moon_free_dark_hours":0.0,"moon_illumination":100,"moon_separation":30.7,"score":null,"score_astronomy":26,"score_weather":null,"transit_alt":79.2,"transit_local":"21:35","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":5.92,"best_label":"marginal","best_window":"18:35\u201300:30","dark_hours":11.26,"date":"2042-11-27","moon_free_dark_hours":0.0,"moon_illumination":99,"moon_separation":43.4,"score":null,"score_astronomy":44,"score_weather":null,"transit_alt":79.2,"transit_local":"21:30","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":1.5,"best_label":"good","best_window":"18:35\u201320:05","dark_hours":11.28,"date":"2042-11-28","moon_free_dark_hours":0.0,"moon_illumination":96,"moon_separation":56.8,"score":null,"score_astronomy":64,"score_weather":null,"transit_alt":79.2,"transit_local":"21:25","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":4.92,"best_label":"good","best_window":"18:35\u201323:30","dark_hours":11.3,"date":"2042-11-29","moon_free_dark_hours":0.3,"moon_illumination":90,"moon_separation":70.2,"score":null,"score_astronomy":98,"score_weather":null,"transit_alt":79.2,"transit_local":"21:20","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":6.75,"best_label":"good","best_window":"18:35\u201301:20","dark_hours":11.32,"date":"2042-11-30","moon_free_dark_hours":1.48,"moon_illumination":83,"moon_separation":83.3,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"21:20","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":7.83,"best_label":"good","best_window":"18:35\u201302:25","dark_hours":11.33,"date":"2042-12-01","moon_free_dark_hours":2.68,"moon_illumination":74,"moon_separation":96.0,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"21:15","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":7.92,"best_label":"good","best_window":"18:35\u201302:30","dark_hours":11.35,"date":"2042-12-02","moon_free_dark_hours":3.83,"moon_illumination":64,"moon_separation":108.2,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"21:10","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":8.0,"best_label":"good","best_window":"18:35\u201302:35","dark_hours":11.37,"date":"2042-12-03","moon_free_dark_hours":4.95,"moon_illumination":55,"moon_separation":120.0,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"21:05","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":7.92,"best_label":"good","best_window":"18:35\u201302:30","dark_hours":11.38,"date":"2042-12-04","moon_free_dark_hours":6.0,"moon_illumination":45,"moon_separation":131.3,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"21:00","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":7.92,"best_label":"good","best_window":"18:35\u201302:30","dark_hours":11.4,"date":"2042-12-05","moon_free_dark_hours":7.02,"moon_illumination":36,"moon_separation":142.0,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"21:00","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":7.83,"best_label":"good","best_window":"18:35\u201302:25","dark_hours":11.41,"date":"2042-12-06","moon_free_dark_hours":8.02,"moon_illumination":27,"moon_separation":151.8,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"20:55","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":7.83,"best_label":"good","best_window":"18:35\u201302:25","dark_hours":11.42,"date":"2042-12-07","moon_free_dark_hours":9.03,"moon_illumination":19,"moon_separation":159.5,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"20:50","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":7.75,"best_label":"good","best_window":"18:35\u201302:20","dark_hours":11.43,"date":"2042-12-08","moon_free_dark_hours":10.08,"moon_illumination":12,"moon_separation":162.1,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"20:45","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":7.67,"best_label":"good","best_window":"18:35\u201302:15","dark_hours":11.44,"date":"2042-12-09","moon_free_dark_hours":11.15,"moon_illumination":7,"moon_separation":157.9,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"20:45","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":7.58,"best_label":"good","best_window":"18:35\u201302:10","dark_hours":11.45,"date":"2042-12-10","moon_free_dark_hours":11.43,"moon_illumination":3,"moon_separation":149.3,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"20:40","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":7.5,"best_label":"good","best_window":"18:35\u201302:05","dark_hours":11.46,"date":"2042-12-11","moon_free_dark_hours":11.45,"moon_illumination":1,"moon_separation":139.0,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"20:35","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":7.5,"best_label":"good","best_window":"18:35\u201302:05","dark_hours":11.47,"date":"2042-12-12","moon_free_dark_hours":11.47,"moon_illumination":0,"moon_separation":127.8,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"20:30","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":7.42,"best_label":"good","best_window":"18:35\u201302:00","dark_hours":11.48,"date":"2042-12-13","moon_free_dark_hours":11.45,"moon_illumination":2,"moon_separation":116.1,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"20:25","verdict":"unknown","weather_source":"none","weekday":"Sat"}],"note":"score_astronomy for every night; score_weather/score only where a forecast (next 4 days) or ERA5 history exists \u2014 null otherwise","start":"2042-11-14","target":{"common_name":"Triangulum Pinwheel","dec":30.66017511,"morphology":"SA(s)cd","name":"M 33","ra":23.46206906,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=M33","source":"sesame","type":"GiG","type_text":"galaxy in a group","vmag":5.72}}