{"calculation_version":"2026-10-10.1","days":30,"nights":[{"best_hours":3.67,"best_label":"good","best_window":"00:45\u201304:25","dark_hours":5.85,"date":"2038-08-01","moon_free_dark_hours":5.85,"moon_illumination":1,"moon_separation":105.9,"score":null,"score_astronomy":98,"score_weather":null,"transit_alt":79.2,"transit_local":"06:15","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":3.75,"best_label":"good","best_window":"00:40\u201304:25","dark_hours":5.91,"date":"2038-08-02","moon_free_dark_hours":5.88,"moon_illumination":5,"moon_separation":118.4,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"06:10","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":3.83,"best_label":"good","best_window":"00:40\u201304:30","dark_hours":5.96,"date":"2038-08-03","moon_free_dark_hours":5.95,"moon_illumination":11,"moon_separation":130.6,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"06:05","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":3.92,"best_label":"good","best_window":"00:35\u201304:30","dark_hours":6.02,"date":"2038-08-04","moon_free_dark_hours":5.58,"moon_illumination":19,"moon_separation":142.1,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"06:00","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":4.0,"best_label":"good","best_window":"00:30\u201304:30","dark_hours":6.08,"date":"2038-08-05","moon_free_dark_hours":5.13,"moon_illumination":29,"moon_separation":151.4,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"06:00","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":4.17,"best_label":"good","best_window":"00:25\u201304:35","dark_hours":6.13,"date":"2038-08-06","moon_free_dark_hours":4.67,"moon_illumination":40,"moon_separation":155.8,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"05:55","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":4.17,"best_label":"good","best_window":"00:25\u201304:35","dark_hours":6.19,"date":"2038-08-07","moon_free_dark_hours":4.15,"moon_illumination":51,"moon_separation":153.0,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"05:50","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":4.17,"best_label":"good","best_window":"00:25\u201304:35","dark_hours":6.25,"date":"2038-08-08","moon_free_dark_hours":3.6,"moon_illumination":62,"moon_separation":144.7,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"05:45","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":4.33,"best_label":"good","best_window":"00:20\u201304:40","dark_hours":6.3,"date":"2038-08-09","moon_free_dark_hours":2.93,"moon_illumination":73,"moon_separation":133.9,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"05:40","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":4.33,"best_label":"good","best_window":"00:20\u201304:40","dark_hours":6.36,"date":"2038-08-10","moon_free_dark_hours":2.18,"moon_illumination":82,"moon_separation":122.0,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"05:40","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":4.33,"best_label":"good","best_window":"00:20\u201304:40","dark_hours":6.42,"date":"2038-08-11","moon_free_dark_hours":1.28,"moon_illumination":90,"moon_separation":109.9,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"05:35","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":4.33,"best_label":"good","best_window":"00:25\u201304:45","dark_hours":6.47,"date":"2038-08-12","moon_free_dark_hours":0.3,"moon_illumination":95,"moon_separation":97.6,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"05:30","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":3.67,"best_label":"good","best_window":"01:05\u201304:45","dark_hours":6.53,"date":"2038-08-13","moon_free_dark_hours":0.0,"moon_illumination":99,"moon_separation":85.5,"score":null,"score_astronomy":72,"score_weather":null,"transit_alt":79.2,"transit_local":"05:25","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":2.42,"best_label":"good","best_window":"02:20\u201304:45","dark_hours":6.59,"date":"2038-08-14","moon_free_dark_hours":0.0,"moon_illumination":100,"moon_separation":73.6,"score":null,"score_astronomy":57,"score_weather":null,"transit_alt":79.2,"transit_local":"05:25","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":5.25,"best_label":"marginal","best_window":"23:35\u201304:50","dark_hours":6.65,"date":"2038-08-15","moon_free_dark_hours":0.0,"moon_illumination":99,"moon_separation":62.1,"score":null,"score_astronomy":45,"score_weather":null,"transit_alt":79.2,"transit_local":"05:20","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":5.25,"best_label":"marginal","best_window":"23:35\u201304:50","dark_hours":6.7,"date":"2038-08-16","moon_free_dark_hours":0.0,"moon_illumination":96,"moon_separation":51.1,"score":null,"score_astronomy":35,"score_weather":null,"transit_alt":79.2,"transit_local":"05:15","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":5.33,"best_label":"marginal","best_window":"23:30\u201304:50","dark_hours":6.76,"date":"2038-08-17","moon_free_dark_hours":0.0,"moon_illumination":91,"moon_separation":41.0,"score":null,"score_astronomy":29,"score_weather":null,"transit_alt":79.2,"transit_local":"05:10","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":5.42,"best_label":"marginal","best_window":"23:25\u201304:50","dark_hours":6.82,"date":"2038-08-18","moon_free_dark_hours":0.42,"moon_illumination":85,"moon_separation":32.2,"score":null,"score_astronomy":29,"score_weather":null,"transit_alt":79.2,"transit_local":"05:05","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":5.67,"best_label":"marginal","best_window":"23:15\u201304:55","dark_hours":6.88,"date":"2038-08-19","moon_free_dark_hours":0.83,"moon_illumination":77,"moon_separation":26.0,"score":null,"score_astronomy":36,"score_weather":null,"transit_alt":79.2,"transit_local":"05:05","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":5.83,"best_label":"marginal","best_window":"23:05\u201304:55","dark_hours":6.94,"date":"2038-08-20","moon_free_dark_hours":1.28,"moon_illumination":69,"moon_separation":24.1,"score":null,"score_astronomy":46,"score_weather":null,"transit_alt":79.2,"transit_local":"05:00","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":3.67,"best_label":"good","best_window":"23:55\u201303:35","dark_hours":6.99,"date":"2038-08-21","moon_free_dark_hours":1.75,"moon_illumination":60,"moon_separation":27.4,"score":null,"score_astronomy":67,"score_weather":null,"transit_alt":79.2,"transit_local":"04:55","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":5.58,"best_label":"good","best_window":"23:25\u201305:00","dark_hours":7.05,"date":"2038-08-22","moon_free_dark_hours":2.28,"moon_illumination":50,"moon_separation":34.4,"score":null,"score_astronomy":82,"score_weather":null,"transit_alt":79.2,"transit_local":"04:50","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":5.67,"best_label":"good","best_window":"23:20\u201305:00","dark_hours":7.11,"date":"2038-08-23","moon_free_dark_hours":2.87,"moon_illumination":41,"moon_separation":43.5,"score":null,"score_astronomy":87,"score_weather":null,"transit_alt":79.2,"transit_local":"04:45","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":5.75,"best_label":"good","best_window":"23:15\u201305:00","dark_hours":7.16,"date":"2038-08-24","moon_free_dark_hours":3.57,"moon_illumination":31,"moon_separation":53.7,"score":null,"score_astronomy":92,"score_weather":null,"transit_alt":79.2,"transit_local":"04:45","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":5.83,"best_label":"good","best_window":"23:10\u201305:00","dark_hours":7.22,"date":"2038-08-25","moon_free_dark_hours":4.38,"moon_illumination":22,"moon_separation":64.8,"score":null,"score_astronomy":98,"score_weather":null,"transit_alt":79.2,"transit_local":"04:40","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":5.92,"best_label":"good","best_window":"23:10\u201305:05","dark_hours":7.28,"date":"2038-08-26","moon_free_dark_hours":5.33,"moon_illumination":14,"moon_separation":76.4,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"04:35","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":6.0,"best_label":"good","best_window":"23:05\u201305:05","dark_hours":7.33,"date":"2038-08-27","moon_free_dark_hours":6.4,"moon_illumination":8,"moon_separation":88.5,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"04:30","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":6.08,"best_label":"good","best_window":"23:00\u201305:05","dark_hours":7.39,"date":"2038-08-28","moon_free_dark_hours":7.38,"moon_illumination":3,"moon_separation":101.0,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"04:30","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":6.25,"best_label":"good","best_window":"22:55\u201305:10","dark_hours":7.45,"date":"2038-08-29","moon_free_dark_hours":7.43,"moon_illumination":0,"moon_separation":113.7,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"04:25","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":6.33,"best_label":"good","best_window":"22:50\u201305:10","dark_hours":7.5,"date":"2038-08-30","moon_free_dark_hours":7.48,"moon_illumination":0,"moon_separation":126.4,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"04:20","verdict":"unknown","weather_source":"none","weekday":"Mon"}],"note":"score_astronomy for every night; score_weather/score only where a forecast (next 4 days) or ERA5 history exists \u2014 null otherwise","start":"2038-08-01","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}}