{"calculation_version":"2026-10-10.1","days":30,"nights":[{"best_hours":0.0,"best_label":null,"best_window":null,"dark_hours":6.77,"date":"2034-04-24","moon_free_dark_hours":2.68,"moon_illumination":44,"moon_separation":86.7,"score":null,"score_astronomy":0,"score_weather":null,"transit_alt":79.1,"transit_local":"12:45","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":0.0,"best_label":null,"best_window":null,"dark_hours":6.71,"date":"2034-04-25","moon_free_dark_hours":1.97,"moon_illumination":55,"moon_separation":98.8,"score":null,"score_astronomy":0,"score_weather":null,"transit_alt":79.1,"transit_local":"12:45","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":0.0,"best_label":null,"best_window":null,"dark_hours":6.65,"date":"2034-04-26","moon_free_dark_hours":1.35,"moon_illumination":65,"moon_separation":110.6,"score":null,"score_astronomy":0,"score_weather":null,"transit_alt":79.1,"transit_local":"12:40","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":0.0,"best_label":null,"best_window":null,"dark_hours":6.59,"date":"2034-04-27","moon_free_dark_hours":0.78,"moon_illumination":74,"moon_separation":122.0,"score":null,"score_astronomy":0,"score_weather":null,"transit_alt":79.1,"transit_local":"12:35","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":0.0,"best_label":null,"best_window":null,"dark_hours":6.53,"date":"2034-04-28","moon_free_dark_hours":0.23,"moon_illumination":82,"moon_separation":132.8,"score":null,"score_astronomy":0,"score_weather":null,"transit_alt":79.1,"transit_local":"12:30","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":0.0,"best_label":null,"best_window":null,"dark_hours":6.48,"date":"2034-04-29","moon_free_dark_hours":0.0,"moon_illumination":89,"moon_separation":142.8,"score":null,"score_astronomy":0,"score_weather":null,"transit_alt":79.1,"transit_local":"12:25","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":0.0,"best_label":null,"best_window":null,"dark_hours":6.42,"date":"2034-04-30","moon_free_dark_hours":0.0,"moon_illumination":94,"moon_separation":151.4,"score":null,"score_astronomy":0,"score_weather":null,"transit_alt":79.1,"transit_local":"12:25","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":0.0,"best_label":null,"best_window":null,"dark_hours":6.36,"date":"2034-05-01","moon_free_dark_hours":0.0,"moon_illumination":98,"moon_separation":157.0,"score":null,"score_astronomy":0,"score_weather":null,"transit_alt":79.1,"transit_local":"12:20","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":0.0,"best_label":null,"best_window":null,"dark_hours":6.3,"date":"2034-05-02","moon_free_dark_hours":0.0,"moon_illumination":100,"moon_separation":157.6,"score":null,"score_astronomy":0,"score_weather":null,"transit_alt":79.1,"transit_local":"12:15","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":0.0,"best_label":null,"best_window":null,"dark_hours":6.24,"date":"2034-05-03","moon_free_dark_hours":0.0,"moon_illumination":100,"moon_separation":152.7,"score":null,"score_astronomy":0,"score_weather":null,"transit_alt":79.1,"transit_local":"12:10","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":0.0,"best_label":null,"best_window":null,"dark_hours":6.19,"date":"2034-05-04","moon_free_dark_hours":0.0,"moon_illumination":98,"moon_separation":144.6,"score":null,"score_astronomy":0,"score_weather":null,"transit_alt":79.1,"transit_local":"12:10","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":0.0,"best_label":null,"best_window":null,"dark_hours":6.13,"date":"2034-05-05","moon_free_dark_hours":0.0,"moon_illumination":95,"moon_separation":134.9,"score":null,"score_astronomy":0,"score_weather":null,"transit_alt":79.1,"transit_local":"12:00","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":0.0,"best_label":null,"best_window":null,"dark_hours":6.07,"date":"2034-05-06","moon_free_dark_hours":0.83,"moon_illumination":90,"moon_separation":124.4,"score":null,"score_astronomy":0,"score_weather":null,"transit_alt":79.1,"transit_local":"12:00","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":0.0,"best_label":null,"best_window":null,"dark_hours":6.02,"date":"2034-05-07","moon_free_dark_hours":1.63,"moon_illumination":83,"moon_separation":113.5,"score":null,"score_astronomy":0,"score_weather":null,"transit_alt":79.1,"transit_local":"11:50","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":0.0,"best_label":null,"best_window":null,"dark_hours":5.96,"date":"2034-05-08","moon_free_dark_hours":2.35,"moon_illumination":75,"moon_separation":102.2,"score":null,"score_astronomy":0,"score_weather":null,"transit_alt":79.1,"transit_local":"11:50","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":0.0,"best_label":null,"best_window":null,"dark_hours":5.9,"date":"2034-05-09","moon_free_dark_hours":3.02,"moon_illumination":66,"moon_separation":90.6,"score":null,"score_astronomy":0,"score_weather":null,"transit_alt":79.1,"transit_local":"11:45","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":0.0,"best_label":null,"best_window":null,"dark_hours":5.85,"date":"2034-05-10","moon_free_dark_hours":3.65,"moon_illumination":56,"moon_separation":78.7,"score":null,"score_astronomy":0,"score_weather":null,"transit_alt":79.1,"transit_local":"11:40","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":0.0,"best_label":null,"best_window":null,"dark_hours":5.79,"date":"2034-05-11","moon_free_dark_hours":4.22,"moon_illumination":45,"moon_separation":66.5,"score":null,"score_astronomy":0,"score_weather":null,"transit_alt":79.1,"transit_local":"11:35","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":0.0,"best_label":null,"best_window":null,"dark_hours":5.74,"date":"2034-05-12","moon_free_dark_hours":4.78,"moon_illumination":34,"moon_separation":54.3,"score":null,"score_astronomy":0,"score_weather":null,"transit_alt":79.1,"transit_local":"11:30","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":0.0,"best_label":null,"best_window":null,"dark_hours":5.68,"date":"2034-05-13","moon_free_dark_hours":5.35,"moon_illumination":24,"moon_separation":42.2,"score":null,"score_astronomy":0,"score_weather":null,"transit_alt":79.1,"transit_local":"11:30","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":0.0,"best_label":null,"best_window":null,"dark_hours":5.63,"date":"2034-05-14","moon_free_dark_hours":5.62,"moon_illumination":15,"moon_separation":31.0,"score":null,"score_astronomy":0,"score_weather":null,"transit_alt":79.1,"transit_local":"11:25","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":0.0,"best_label":null,"best_window":null,"dark_hours":5.57,"date":"2034-05-15","moon_free_dark_hours":5.55,"moon_illumination":7,"moon_separation":23.2,"score":null,"score_astronomy":0,"score_weather":null,"transit_alt":79.1,"transit_local":"11:20","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":0.0,"best_label":null,"best_window":null,"dark_hours":5.52,"date":"2034-05-16","moon_free_dark_hours":5.5,"moon_illumination":2,"moon_separation":23.2,"score":null,"score_astronomy":0,"score_weather":null,"transit_alt":79.1,"transit_local":"11:15","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":0.0,"best_label":null,"best_window":null,"dark_hours":5.47,"date":"2034-05-17","moon_free_dark_hours":5.45,"moon_illumination":0,"moon_separation":31.2,"score":null,"score_astronomy":0,"score_weather":null,"transit_alt":79.1,"transit_local":"11:10","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":0.0,"best_label":null,"best_window":null,"dark_hours":5.42,"date":"2034-05-18","moon_free_dark_hours":5.4,"moon_illumination":1,"moon_separation":42.9,"score":null,"score_astronomy":0,"score_weather":null,"transit_alt":79.1,"transit_local":"11:10","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":0.0,"best_label":null,"best_window":null,"dark_hours":5.37,"date":"2034-05-19","moon_free_dark_hours":5.35,"moon_illumination":5,"moon_separation":55.9,"score":null,"score_astronomy":0,"score_weather":null,"transit_alt":79.1,"transit_local":"11:05","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":0.0,"best_label":null,"best_window":null,"dark_hours":5.32,"date":"2034-05-20","moon_free_dark_hours":4.92,"moon_illumination":11,"moon_separation":69.1,"score":null,"score_astronomy":0,"score_weather":null,"transit_alt":79.1,"transit_local":"11:00","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":0.0,"best_label":null,"best_window":null,"dark_hours":5.27,"date":"2034-05-21","moon_free_dark_hours":4.03,"moon_illumination":20,"moon_separation":82.2,"score":null,"score_astronomy":0,"score_weather":null,"transit_alt":79.1,"transit_local":"10:55","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":0.0,"best_label":null,"best_window":null,"dark_hours":5.22,"date":"2034-05-22","moon_free_dark_hours":3.27,"moon_illumination":29,"moon_separation":94.9,"score":null,"score_astronomy":0,"score_weather":null,"transit_alt":79.1,"transit_local":"10:55","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":0.0,"best_label":null,"best_window":null,"dark_hours":5.17,"date":"2034-05-23","moon_free_dark_hours":2.58,"moon_illumination":39,"moon_separation":107.1,"score":null,"score_astronomy":0,"score_weather":null,"transit_alt":79.1,"transit_local":"10:50","verdict":"unknown","weather_source":"none","weekday":"Tue"}],"note":"score_astronomy for every night; score_weather/score only where a forecast (next 4 days) or ERA5 history exists \u2014 null otherwise","start":"2034-04-24","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}}