{"calculation_version":"2026-10-10.1","days":30,"nights":[{"best_hours":8.75,"best_label":"good","best_window":"18:35\u201303:20","dark_hours":11.12,"date":"2046-11-21","moon_free_dark_hours":6.08,"moon_illumination":43,"moon_separation":124.1,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"21:55","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":8.75,"best_label":"good","best_window":"18:35\u201303:20","dark_hours":11.15,"date":"2046-11-22","moon_free_dark_hours":7.3,"moon_illumination":32,"moon_separation":137.5,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"21:50","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":8.67,"best_label":"good","best_window":"18:35\u201303:15","dark_hours":11.17,"date":"2046-11-23","moon_free_dark_hours":8.57,"moon_illumination":21,"moon_separation":150.6,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"21:45","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":8.67,"best_label":"good","best_window":"18:35\u201303:15","dark_hours":11.19,"date":"2046-11-24","moon_free_dark_hours":9.85,"moon_illumination":12,"moon_separation":161.8,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"21:40","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":8.58,"best_label":"good","best_window":"18:35\u201303:10","dark_hours":11.22,"date":"2046-11-25","moon_free_dark_hours":11.18,"moon_illumination":6,"moon_separation":165.3,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"21:40","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":8.5,"best_label":"good","best_window":"18:35\u201303:05","dark_hours":11.24,"date":"2046-11-26","moon_free_dark_hours":11.22,"moon_illumination":2,"moon_separation":157.0,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"21:35","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":8.5,"best_label":"good","best_window":"18:35\u201303:05","dark_hours":11.26,"date":"2046-11-27","moon_free_dark_hours":11.23,"moon_illumination":0,"moon_separation":144.5,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"21:30","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":8.42,"best_label":"good","best_window":"18:35\u201303:00","dark_hours":11.28,"date":"2046-11-28","moon_free_dark_hours":11.27,"moon_illumination":1,"moon_separation":131.2,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"21:25","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":8.33,"best_label":"good","best_window":"18:35\u201302:55","dark_hours":11.3,"date":"2046-11-29","moon_free_dark_hours":11.28,"moon_illumination":5,"moon_separation":117.8,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"21:20","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":8.25,"best_label":"good","best_window":"18:35\u201302:50","dark_hours":11.32,"date":"2046-11-30","moon_free_dark_hours":10.63,"moon_illumination":11,"moon_separation":104.6,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"21:20","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":8.17,"best_label":"good","best_window":"18:35\u201302:45","dark_hours":11.33,"date":"2046-12-01","moon_free_dark_hours":9.5,"moon_illumination":19,"moon_separation":91.8,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"21:15","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":8.17,"best_label":"good","best_window":"18:35\u201302:45","dark_hours":11.35,"date":"2046-12-02","moon_free_dark_hours":8.38,"moon_illumination":27,"moon_separation":79.4,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"21:10","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":8.08,"best_label":"good","best_window":"18:35\u201302:40","dark_hours":11.37,"date":"2046-12-03","moon_free_dark_hours":7.32,"moon_illumination":36,"moon_separation":67.4,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"21:05","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":8.0,"best_label":"good","best_window":"18:35\u201302:35","dark_hours":11.38,"date":"2046-12-04","moon_free_dark_hours":6.28,"moon_illumination":46,"moon_separation":55.7,"score":null,"score_astronomy":98,"score_weather":null,"transit_alt":79.2,"transit_local":"21:05","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":7.92,"best_label":"good","best_window":"18:35\u201302:30","dark_hours":11.4,"date":"2046-12-05","moon_free_dark_hours":5.28,"moon_illumination":56,"moon_separation":44.4,"score":null,"score_astronomy":90,"score_weather":null,"transit_alt":79.2,"transit_local":"21:00","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":4.25,"best_label":"good","best_window":"22:10\u201302:25","dark_hours":11.41,"date":"2046-12-06","moon_free_dark_hours":4.32,"moon_illumination":65,"moon_separation":33.5,"score":null,"score_astronomy":82,"score_weather":null,"transit_alt":79.2,"transit_local":"20:55","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":8.25,"best_label":"marginal","best_window":"18:35\u201302:50","dark_hours":11.42,"date":"2046-12-07","moon_free_dark_hours":3.33,"moon_illumination":74,"moon_separation":23.5,"score":null,"score_astronomy":54,"score_weather":null,"transit_alt":79.2,"transit_local":"20:50","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":8.0,"best_label":"marginal","best_window":"18:35\u201302:35","dark_hours":11.43,"date":"2046-12-08","moon_free_dark_hours":2.33,"moon_illumination":81,"moon_separation":15.8,"score":null,"score_astronomy":40,"score_weather":null,"transit_alt":79.2,"transit_local":"20:45","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":7.67,"best_label":"marginal","best_window":"18:35\u201302:15","dark_hours":11.44,"date":"2046-12-09","moon_free_dark_hours":1.32,"moon_illumination":88,"moon_separation":15.1,"score":null,"score_astronomy":28,"score_weather":null,"transit_alt":79.2,"transit_local":"20:45","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":1.75,"best_label":"marginal","best_window":"18:35\u201320:20","dark_hours":11.45,"date":"2046-12-10","moon_free_dark_hours":0.27,"moon_illumination":94,"moon_separation":22.2,"score":null,"score_astronomy":23,"score_weather":null,"transit_alt":79.2,"transit_local":"20:40","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":2.0,"best_label":"marginal","best_window":"18:35\u201320:35","dark_hours":11.46,"date":"2046-12-11","moon_free_dark_hours":0.0,"moon_illumination":98,"moon_separation":32.5,"score":null,"score_astronomy":23,"score_weather":null,"transit_alt":79.2,"transit_local":"20:35","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":5.0,"best_label":"marginal","best_window":"18:35\u201323:35","dark_hours":11.47,"date":"2046-12-12","moon_free_dark_hours":0.0,"moon_illumination":100,"moon_separation":44.1,"score":null,"score_astronomy":36,"score_weather":null,"transit_alt":79.2,"transit_local":"20:30","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":0.08,"best_label":"good","best_window":"18:35\u201318:40","dark_hours":11.48,"date":"2046-12-13","moon_free_dark_hours":0.0,"moon_illumination":100,"moon_separation":56.2,"score":null,"score_astronomy":54,"score_weather":null,"transit_alt":79.2,"transit_local":"20:25","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":2.67,"best_label":"good","best_window":"18:35\u201321:15","dark_hours":11.49,"date":"2046-12-14","moon_free_dark_hours":0.0,"moon_illumination":98,"moon_separation":68.8,"score":null,"score_astronomy":71,"score_weather":null,"transit_alt":79.2,"transit_local":"20:25","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":5.08,"best_label":"good","best_window":"18:35\u201323:40","dark_hours":11.49,"date":"2046-12-15","moon_free_dark_hours":0.43,"moon_illumination":93,"moon_separation":81.7,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"20:20","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":6.58,"best_label":"good","best_window":"18:35\u201301:10","dark_hours":11.5,"date":"2046-12-16","moon_free_dark_hours":1.58,"moon_illumination":87,"moon_separation":94.8,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"20:15","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":6.92,"best_label":"good","best_window":"18:35\u201301:30","dark_hours":11.5,"date":"2046-12-17","moon_free_dark_hours":2.77,"moon_illumination":78,"moon_separation":108.0,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"20:10","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":6.92,"best_label":"good","best_window":"18:35\u201301:30","dark_hours":11.5,"date":"2046-12-18","moon_free_dark_hours":3.97,"moon_illumination":69,"moon_separation":121.3,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"20:05","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":6.92,"best_label":"good","best_window":"18:35\u201301:30","dark_hours":11.51,"date":"2046-12-19","moon_free_dark_hours":5.13,"moon_illumination":58,"moon_separation":134.5,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"20:05","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":6.92,"best_label":"good","best_window":"18:35\u201301:30","dark_hours":11.51,"date":"2046-12-20","moon_free_dark_hours":6.35,"moon_illumination":46,"moon_separation":147.4,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"20:00","verdict":"unknown","weather_source":"none","weekday":"Thu"}],"note":"score_astronomy for every night; score_weather/score only where a forecast (next 4 days) or ERA5 history exists \u2014 null otherwise","start":"2046-11-21","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}}