{"assessment":{"best_window":{"end":"2031-08-11T01:40Z","end_local":"04:40","hours":4.5,"label":"good","mean_quality":0.73,"start":"2031-08-10T21:10Z","start_local":"00:10"},"cost":{"altitude":2.48,"clouds":0.0,"darkness":1.41,"moon":0.92},"formula":"astronomy = 100 * min(1, sky_hours / reference_hours) * peak_sky; overall = astronomy * score_weather / 100 (null when the weather is unknown)","hard_limit":null,"headline":"Astronomically worth it \u2014 weather unknown","hourly":[{"alt":-4,"cloud":null,"high":null,"iso":"2031-08-10T18:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-27,"precip":null,"q":0.0,"rh":null,"sky":"nautical twilight","temp":null,"time":"21:00","wind":null},{"alt":4,"cloud":null,"high":null,"iso":"2031-08-10T19:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-22,"precip":null,"q":0.0,"rh":null,"sky":"astronomical twilight","temp":null,"time":"22:00","wind":null},{"alt":13,"cloud":null,"high":null,"iso":"2031-08-10T20:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-15,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":23,"cloud":null,"high":null,"iso":"2031-08-10T21:00Z","label":"marginal","low":null,"mid":null,"moon_alt":-6,"precip":null,"q":0.53,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":34,"cloud":null,"high":null,"iso":"2031-08-10T22:00Z","label":"good","low":null,"mid":null,"moon_alt":3,"precip":null,"q":0.69,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":45,"cloud":null,"high":null,"iso":"2031-08-10T23:00Z","label":"good","low":null,"mid":null,"moon_alt":14,"precip":null,"q":0.72,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":56,"cloud":null,"high":null,"iso":"2031-08-11T00:00Z","label":"good","low":null,"mid":null,"moon_alt":24,"precip":null,"q":0.75,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":67,"cloud":null,"high":null,"iso":"2031-08-11T01:00Z","label":"good","low":null,"mid":null,"moon_alt":35,"precip":null,"q":0.75,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":77,"cloud":null,"high":null,"iso":"2031-08-11T02:00Z","label":"marginal","low":null,"mid":null,"moon_alt":46,"precip":null,"q":0.36,"rh":null,"sky":"astronomical twilight","temp":null,"time":"05:00","wind":null},{"alt":78,"cloud":null,"high":null,"iso":"2031-08-11T03:00Z","label":"unusable","low":null,"mid":null,"moon_alt":56,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"06:00","wind":null}],"peak_quality":0.8,"peak_sky":0.8,"quality_hours":3.78,"reasons":["the target being low or below 20\u00b0 cost 2.5 quality-hours","daylight and twilight cost 1.4 quality-hours","moonlight cost 0.9 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":76,"score_weather":null,"sky_hours":3.78,"verdict":"unknown","verdict_astronomy":"good","weather_known":false,"windows":[{"end":"2031-08-10T20:45Z","end_local":"23:45","hours":3.33,"label":"unusable","mean_quality":0.0,"start":"2031-08-10T17:25Z","start_local":"20:25"},{"end":"2031-08-10T21:10Z","end_local":"00:10","hours":0.42,"label":"marginal","mean_quality":0.5,"start":"2031-08-10T20:45Z","start_local":"23:45"},{"end":"2031-08-11T01:40Z","end_local":"04:40","hours":4.5,"label":"good","mean_quality":0.73,"start":"2031-08-10T21:10Z","start_local":"00:10"},{"end":"2031-08-11T02:20Z","end_local":"05:20","hours":0.67,"label":"marginal","mean_quality":0.36,"start":"2031-08-11T01:40Z","start_local":"04:40"},{"end":"2031-08-11T02:55Z","end_local":"05:55","hours":0.58,"label":"poor","mean_quality":0.11,"start":"2031-08-11T02:20Z","start_local":"05:20"},{"end":"2031-08-11T03:30Z","end_local":"06:30","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2031-08-11T02:55Z","start_local":"05:55"}]},"calculation_version":"2026-10-10.1","forecast":[],"forecast_source":"none","forecast_updated_at":null,"limits":{"good_alt":30.0,"usable_alt":20.0},"night":{"dark_from":"2031-08-10T19:16:21Z","dark_hours":6.34,"dark_to":"2031-08-11T01:36:55Z","moon":{"illumination":0.41,"phase":"waning crescent","waxing":false},"moon_free_dark_hours":2.4,"moonrise":"2031-08-10T21:41:24Z","moonset":"2031-08-10T11:31:30Z","sunrise":"2031-08-11T03:25:01Z","sunset":"2031-08-10T17:28:17Z","twilight":{"astronomical":{"end":"2031-08-10T19:16:21Z","start":"2031-08-11T01:36:55Z"},"civil":{"end":"2031-08-10T17:58:37Z","start":"2031-08-11T02:54:40Z"},"nautical":{"end":"2031-08-10T18:35:48Z","start":"2031-08-11T02:17:28Z"}},"window_end":"2031-08-11T09:00:00Z","window_start":"2031-08-10T09:00:00Z"},"night_date":"2031-08-10","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.04,"alt":73.1,"t":"2031-08-11T01:35:00Z"},"dec":30.66017511,"dec_of_date":30.8213,"dec_str":"+30\u00b0 39' 36.6\"","good_hours":4.0,"limit_rise":"2031-08-10T20:40:35Z","limit_set":"2031-08-11T08:37:45Z","max_az_rate_deg_per_min":1.14,"moon_separation":31.7,"never_rises":false,"ra":23.46206906,"ra_of_date":23.9091,"ra_str":"01h 33m 50.9s","resolved":{"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},"summary":"4.0 dark hours above 30\u00b0 \u2014 a proper target for this night.","terrain":{"available":true,"behind_at":"2031-08-10T10:48:08Z","blocked_dark_hours":0,"clears_at":"2031-08-10T18:36:19Z","rise_az":296.5},"track":[{"above_terrain":true,"airmass":3.4,"alt":16.9,"az":296.5,"t":"2031-08-10T09:00:00Z","terrain":0.29},{"above_terrain":true,"airmass":3.57,"alt":16.06,"az":297.2,"t":"2031-08-10T09:05:00Z","terrain":0.23},{"above_terrain":true,"airmass":3.76,"alt":15.24,"az":297.9,"t":"2031-08-10T09:10:00Z","terrain":0.13},{"above_terrain":true,"airmass":3.96,"alt":14.41,"az":298.7,"t":"2031-08-10T09:15:00Z","terrain":0.15},{"above_terrain":true,"airmass":4.19,"alt":13.59,"az":299.4,"t":"2031-08-10T09:20:00Z","terrain":0.25},{"above_terrain":true,"airmass":4.44,"alt":12.78,"az":300.1,"t":"2031-08-10T09:25:00Z","terrain":0.36},{"above_terrain":true,"airmass":4.72,"alt":11.97,"az":300.8,"t":"2031-08-10T09:30:00Z","terrain":0.33},{"above_terrain":true,"airmass":5.04,"alt":11.17,"az":301.6,"t":"2031-08-10T09:35:00Z","terrain":0.18},{"above_terrain":true,"airmass":5.4,"alt":10.38,"az":302.3,"t":"2031-08-10T09:40:00Z","terrain":-0.01},{"above_terrain":true,"airmass":5.81,"alt":9.59,"az":303.0,"t":"2031-08-10T09:45:00Z","terrain":-0.22},{"above_terrain":true,"airmass":6.28,"alt":8.81,"az":303.8,"t":"2031-08-10T09:50:00Z","terrain":-0.13},{"above_terrain":true,"airmass":6.83,"alt":8.04,"az":304.6,"t":"2031-08-10T09:55:00Z","terrain":-0.21},{"above_terrain":true,"airmass":7.47,"alt":7.27,"az":305.3,"t":"2031-08-10T10:00:00Z","terrain":-0.25},{"above_terrain":true,"airmass":8.24,"alt":6.51,"az":306.1,"t":"2031-08-10T10:05:00Z","terrain":-0.14},{"above_terrain":true,"airmass":9.16,"alt":5.76,"az":306.9,"t":"2031-08-10T10:10:00Z","terrain":0.13},{"above_terrain":true,"airmass":10.29,"alt":5.01,"az":307.6,"t":"2031-08-10T10:15:00Z","terrain":0.27},{"above_terrain":true,"airmass":11.69,"alt":4.27,"az":308.4,"t":"2031-08-10T10:20:00Z","terrain":0.26},{"above_terrain":true,"airmass":13.47,"alt":3.54,"az":309.2,"t":"2031-08-10T10:25:00Z","terrain":0.18},{"above_terrain":true,"airmass":15.78,"alt":2.82,"az":310.0,"t":"2031-08-10T10:30:00Z","terrain":0.22},{"above_terrain":true,"airmass":18.86,"alt":2.11,"az":310.8,"t":"2031-08-10T10:35:00Z","terrain":0.34},{"above_terrain":true,"airmass":23.09,"alt":1.41,"az":311.6,"t":"2031-08-10T10:40:00Z","terrain":0.22},{"above_terrain":true,"airmass":29.05,"alt":0.71,"az":312.5,"t":"2031-08-10T10:45:00Z","terrain":0.2},{"above_terrain":false,"airmass":37.54,"alt":0.03,"az":313.3,"t":"2031-08-10T10:50:00Z","terrain":0.33},{"above_terrain":false,"airmass":null,"alt":-0.65,"az":314.1,"t":"2031-08-10T10:55:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-1.32,"az":315.0,"t":"2031-08-10T11:00:00Z","terrain":0.56},{"above_terrain":false,"airmass":null,"alt":-1.98,"az":315.8,"t":"2031-08-10T11:05:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-2.62,"az":316.7,"t":"2031-08-10T11:10:00Z","terrain":0.36},{"above_terrain":false,"airmass":null,"alt":-3.26,"az":317.6,"t":"2031-08-10T11:15:00Z","terrain":0.32},{"above_terrain":false,"airmass":null,"alt":-3.89,"az":318.4,"t":"2031-08-10T11:20:00Z","terrain":0.12},{"above_terrain":false,"airmass":null,"alt":-4.5,"az":319.3,"t":"2031-08-10T11:25:00Z","terrain":-0.16},{"above_terrain":false,"airmass":null,"alt":-5.11,"az":320.2,"t":"2031-08-10T11:30:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-5.7,"az":321.1,"t":"2031-08-10T11:35:00Z","terrain":-0.15},{"above_terrain":false,"airmass":null,"alt":-6.28,"az":322.0,"t":"2031-08-10T11:40:00Z","terrain":0.21},{"above_terrain":false,"airmass":null,"alt":-6.85,"az":322.9,"t":"2031-08-10T11:45:00Z","terrain":0.09},{"above_terrain":false,"airmass":null,"alt":-7.41,"az":323.9,"t":"2031-08-10T11:50:00Z","terrain":-0.17},{"above_terrain":false,"airmass":null,"alt":-7.95,"az":324.8,"t":"2031-08-10T11:55:00Z","terrain":-0.19},{"above_terrain":false,"airmass":null,"alt":-8.49,"az":325.8,"t":"2031-08-10T12:00:00Z","terrain":-0.23},{"above_terrain":false,"airmass":null,"alt":-9.01,"az":326.7,"t":"2031-08-10T12:05:00Z","terrain":-0.35},{"above_terrain":false,"airmass":null,"alt":-9.51,"az":327.7,"t":"2031-08-10T12:10:00Z","terrain":-0.28},{"above_terrain":false,"airmass":null,"alt":-10.01,"az":328.6,"t":"2031-08-10T12:15:00Z","terrain":-0.17},{"above_terrain":false,"airmass":null,"alt":-10.49,"az":329.6,"t":"2031-08-10T12:20:00Z","terrain":-0.27},{"above_terrain":false,"airmass":null,"alt":-10.95,"az":330.6,"t":"2031-08-10T12:25:00Z","terrain":-0.37},{"above_terrain":false,"airmass":null,"alt":-11.41,"az":331.6,"t":"2031-08-10T12:30:00Z","terrain":-0.24},{"above_terrain":false,"airmass":null,"alt":-11.84,"az":332.6,"t":"2031-08-10T12:35:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-12.27,"az":333.6,"t":"2031-08-10T12:40:00Z","terrain":-0.19},{"above_terrain":false,"airmass":null,"alt":-12.68,"az":334.6,"t":"2031-08-10T12:45:00Z","terrain":-0.46},{"above_terrain":false,"airmass":null,"alt":-13.07,"az":335.7,"t":"2031-08-10T12:50:00Z","terrain":-0.75},{"above_terrain":false,"airmass":null,"alt":-13.45,"az":336.7,"t":"2031-08-10T12:55:00Z","terrain":-0.76},{"above_terrain":false,"airmass":null,"alt":-13.81,"az":337.7,"t":"2031-08-10T13:00:00Z","terrain":-0.54},{"above_terrain":false,"airmass":null,"alt":-14.16,"az":338.8,"t":"2031-08-10T13:05:00Z","terrain":-0.69},{"above_terrain":false,"airmass":null,"alt":-14.49,"az":339.9,"t":"2031-08-10T13:10:00Z","terrain":-0.56},{"above_terrain":false,"airmass":null,"alt":-14.8,"az":340.9,"t":"2031-08-10T13:15:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-15.1,"az":342.0,"t":"2031-08-10T13:20:00Z","terrain":-0.49},{"above_terrain":false,"airmass":null,"alt":-15.38,"az":343.1,"t":"2031-08-10T13:25:00Z","terrain":-0.39},{"above_terrain":false,"airmass":null,"alt":-15.64,"az":344.1,"t":"2031-08-10T13:30:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-15.89,"az":345.2,"t":"2031-08-10T13:35:00Z","terrain":-0.44},{"above_terrain":false,"airmass":null,"alt":-16.12,"az":346.3,"t":"2031-08-10T13:40:00Z","terrain":-0.51},{"above_terrain":false,"airmass":null,"alt":-16.33,"az":347.4,"t":"2031-08-10T13:45:00Z","terrain":-0.3},{"above_terrain":false,"airmass":null,"alt":-16.53,"az":348.5,"t":"2031-08-10T13:50:00Z","terrain":-0.07},{"above_terrain":false,"airmass":null,"alt":-16.7,"az":349.6,"t":"2031-08-10T13:55:00Z","terrain":0.09},{"above_terrain":false,"airmass":null,"alt":-16.86,"az":350.8,"t":"2031-08-10T14:00:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-17.01,"az":351.9,"t":"2031-08-10T14:05:00Z","terrain":0.25},{"above_terrain":false,"airmass":null,"alt":-17.13,"az":353.0,"t":"2031-08-10T14:10:00Z","terrain":0.5},{"above_terrain":false,"airmass":null,"alt":-17.23,"az":354.1,"t":"2031-08-10T14:15:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-17.32,"az":355.2,"t":"2031-08-10T14:20:00Z","terrain":0.65},{"above_terrain":false,"airmass":null,"alt":-17.39,"az":356.4,"t":"2031-08-10T14:25:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-17.44,"az":357.5,"t":"2031-08-10T14:30:00Z","terrain":0.69},{"above_terrain":false,"airmass":null,"alt":-17.47,"az":358.6,"t":"2031-08-10T14:35:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-17.49,"az":359.7,"t":"2031-08-10T14:40:00Z","terrain":0.53},{"above_terrain":false,"airmass":null,"alt":-17.48,"az":0.9,"t":"2031-08-10T14:45:00Z","terrain":0.39},{"above_terrain":false,"airmass":null,"alt":-17.46,"az":2.0,"t":"2031-08-10T14:50:00Z","terrain":0.12},{"above_terrain":false,"airmass":null,"alt":-17.41,"az":3.1,"t":"2031-08-10T14:55:00Z","terrain":-0.15},{"above_terrain":false,"airmass":null,"alt":-17.35,"az":4.3,"t":"2031-08-10T15:00:00Z","terrain":-0.32},{"above_terrain":false,"airmass":null,"alt":-17.28,"az":5.4,"t":"2031-08-10T15:05:00Z","terrain":-0.49},{"above_terrain":false,"airmass":null,"alt":-17.18,"az":6.5,"t":"2031-08-10T15:10:00Z","terrain":-0.5},{"above_terrain":false,"airmass":null,"alt":-17.06,"az":7.6,"t":"2031-08-10T15:15:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-16.93,"az":8.7,"t":"2031-08-10T15:20:00Z","terrain":-0.59},{"above_terrain":false,"airmass":null,"alt":-16.78,"az":9.8,"t":"2031-08-10T15:25:00Z","terrain":-0.61},{"above_terrain":false,"airmass":null,"alt":-16.61,"az":11.0,"t":"2031-08-10T15:30:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-16.42,"az":12.1,"t":"2031-08-10T15:35:00Z","terrain":-0.17},{"above_terrain":false,"airmass":null,"alt":-16.22,"az":13.2,"t":"2031-08-10T15:40:00Z","terrain":-0.04},{"above_terrain":false,"airmass":null,"alt":-16.0,"az":14.3,"t":"2031-08-10T15:45:00Z","terrain":0.17},{"above_terrain":false,"airmass":null,"alt":-15.76,"az":15.4,"t":"2031-08-10T15:50:00Z","terrain":0.44},{"above_terrain":false,"airmass":null,"alt":-15.5,"az":16.4,"t":"2031-08-10T15:55:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-15.23,"az":17.5,"t":"2031-08-10T16:00:00Z","terrain":0.5},{"above_terrain":false,"airmass":null,"alt":-14.94,"az":18.6,"t":"2031-08-10T16:05:00Z","terrain":0.58},{"above_terrain":false,"airmass":null,"alt":-14.63,"az":19.7,"t":"2031-08-10T16:10:00Z","terrain":0.65},{"above_terrain":false,"airmass":null,"alt":-14.31,"az":20.7,"t":"2031-08-10T16:15:00Z","terrain":0.68},{"above_terrain":false,"airmass":null,"alt":-13.97,"az":21.8,"t":"2031-08-10T16:20:00Z","terrain":0.92},{"above_terrain":false,"airmass":null,"alt":-13.61,"az":22.8,"t":"2031-08-10T16:25:00Z","terrain":1.13},{"above_terrain":false,"airmass":null,"alt":-13.24,"az":23.9,"t":"2031-08-10T16:30:00Z","terrain":0.95},{"above_terrain":false,"airmass":null,"alt":-12.86,"az":24.9,"t":"2031-08-10T16:35:00Z","terrain":1.19},{"above_terrain":false,"airmass":null,"alt":-12.46,"az":25.9,"t":"2031-08-10T16:40:00Z","terrain":1.33},{"above_terrain":false,"airmass":null,"alt":-12.04,"az":26.9,"t":"2031-08-10T16:45:00Z","terrain":1.28},{"above_terrain":false,"airmass":null,"alt":-11.61,"az":27.9,"t":"2031-08-10T16:50:00Z","terrain":1.2},{"above_terrain":false,"airmass":null,"alt":-11.16,"az":28.9,"t":"2031-08-10T16:55:00Z","terrain":1.01},{"above_terrain":false,"airmass":null,"alt":-10.7,"az":29.9,"t":"2031-08-10T17:00:00Z","terrain":1.14},{"above_terrain":false,"airmass":null,"alt":-10.23,"az":30.9,"t":"2031-08-10T17:05:00Z","terrain":1.3},{"above_terrain":false,"airmass":null,"alt":-9.74,"az":31.9,"t":"2031-08-10T17:10:00Z","terrain":1.33},{"above_terrain":false,"airmass":null,"alt":-9.24,"az":32.9,"t":"2031-08-10T17:15:00Z","terrain":1.04},{"above_terrain":false,"airmass":null,"alt":-8.73,"az":33.8,"t":"2031-08-10T17:20:00Z","terrain":0.54},{"above_terrain":false,"airmass":null,"alt":-8.2,"az":34.8,"t":"2031-08-10T17:25:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-7.66,"az":35.7,"t":"2031-08-10T17:30:00Z","terrain":0.04},{"above_terrain":false,"airmass":null,"alt":-7.11,"az":36.6,"t":"2031-08-10T17:35:00Z","terrain":-0.05},{"above_terrain":false,"airmass":null,"alt":-6.54,"az":37.6,"t":"2031-08-10T17:40:00Z","terrain":-0.16},{"above_terrain":false,"airmass":null,"alt":-5.97,"az":38.5,"t":"2031-08-10T17:45:00Z","terrain":-0.19},{"above_terrain":false,"airmass":null,"alt":-5.38,"az":39.4,"t":"2031-08-10T17:50:00Z","terrain":-0.12},{"above_terrain":false,"airmass":null,"alt":-4.78,"az":40.3,"t":"2031-08-10T17:55:00Z","terrain":-0.03},{"above_terrain":false,"airmass":null,"alt":-4.17,"az":41.2,"t":"2031-08-10T18:00:00Z","terrain":0.04},{"above_terrain":false,"airmass":null,"alt":-3.55,"az":42.0,"t":"2031-08-10T18:05:00Z","terrain":0.13},{"above_terrain":false,"airmass":null,"alt":-2.91,"az":42.9,"t":"2031-08-10T18:10:00Z","terrain":0.24},{"above_terrain":false,"airmass":null,"alt":-2.27,"az":43.8,"t":"2031-08-10T18:15:00Z","terrain":0.37},{"above_terrain":false,"airmass":null,"alt":-1.62,"az":44.6,"t":"2031-08-10T18:20:00Z","terrain":0.52},{"above_terrain":false,"airmass":null,"alt":-0.96,"az":45.5,"t":"2031-08-10T18:25:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-0.29,"az":46.3,"t":"2031-08-10T18:30:00Z","terrain":0.65},{"above_terrain":false,"airmass":32.57,"alt":0.4,"az":47.2,"t":"2031-08-10T18:35:00Z","terrain":0.6},{"above_terrain":true,"airmass":25.56,"alt":1.09,"az":48.0,"t":"2031-08-10T18:40:00Z","terrain":0.53},{"above_terrain":true,"airmass":20.63,"alt":1.79,"az":48.8,"t":"2031-08-10T18:45:00Z","terrain":0.43},{"above_terrain":true,"airmass":17.07,"alt":2.5,"az":49.6,"t":"2031-08-10T18:50:00Z","terrain":0.4},{"above_terrain":true,"airmass":14.45,"alt":3.21,"az":50.4,"t":"2031-08-10T18:55:00Z","terrain":0.45},{"above_terrain":true,"airmass":12.45,"alt":3.94,"az":51.2,"t":"2031-08-10T19:00:00Z","terrain":0.55},{"above_terrain":true,"airmass":10.89,"alt":4.67,"az":52.0,"t":"2031-08-10T19:05:00Z","terrain":0.63},{"above_terrain":true,"airmass":9.65,"alt":5.41,"az":52.8,"t":"2031-08-10T19:10:00Z","terrain":0.79},{"above_terrain":true,"airmass":8.64,"alt":6.16,"az":53.6,"t":"2031-08-10T19:15:00Z","terrain":0.93},{"above_terrain":true,"airmass":7.81,"alt":6.92,"az":54.3,"t":"2031-08-10T19:20:00Z","terrain":1.03},{"above_terrain":true,"airmass":7.11,"alt":7.68,"az":55.1,"t":"2031-08-10T19:25:00Z","terrain":1.08},{"above_terrain":true,"airmass":6.52,"alt":8.45,"az":55.9,"t":"2031-08-10T19:30:00Z","terrain":1.05},{"above_terrain":true,"airmass":6.01,"alt":9.23,"az":56.6,"t":"2031-08-10T19:35:00Z","terrain":1.06},{"above_terrain":true,"airmass":5.58,"alt":10.02,"az":57.4,"t":"2031-08-10T19:40:00Z","terrain":1.13},{"above_terrain":true,"airmass":5.2,"alt":10.81,"az":58.1,"t":"2031-08-10T19:45:00Z","terrain":1.25},{"above_terrain":true,"airmass":4.86,"alt":11.61,"az":58.8,"t":"2031-08-10T19:50:00Z","terrain":1.22},{"above_terrain":true,"airmass":4.56,"alt":12.41,"az":59.6,"t":"2031-08-10T19:55:00Z","terrain":1.19},{"above_terrain":true,"airmass":4.3,"alt":13.22,"az":60.3,"t":"2031-08-10T20:00:00Z","terrain":1.15},{"above_terrain":true,"airmass":4.06,"alt":14.04,"az":61.0,"t":"2031-08-10T20:05:00Z","terrain":1.09},{"above_terrain":true,"airmass":3.85,"alt":14.86,"az":61.7,"t":"2031-08-10T20:10:00Z","terrain":1.03},{"above_terrain":true,"airmass":3.65,"alt":15.68,"az":62.4,"t":"2031-08-10T20:15:00Z","terrain":0.97},{"above_terrain":true,"airmass":3.48,"alt":16.52,"az":63.2,"t":"2031-08-10T20:20:00Z","terrain":0.89},{"above_terrain":true,"airmass":3.32,"alt":17.35,"az":63.9,"t":"2031-08-10T20:25:00Z","terrain":0.79},{"above_terrain":true,"airmass":3.17,"alt":18.2,"az":64.6,"t":"2031-08-10T20:30:00Z","terrain":0.77},{"above_terrain":true,"airmass":3.04,"alt":19.05,"az":65.3,"t":"2031-08-10T20:35:00Z","terrain":0.79},{"above_terrain":true,"airmass":2.92,"alt":19.9,"az":66.0,"t":"2031-08-10T20:40:00Z","terrain":0.83},{"above_terrain":true,"airmass":2.8,"alt":20.75,"az":66.7,"t":"2031-08-10T20:45:00Z","terrain":0.9},{"above_terrain":true,"airmass":2.7,"alt":21.62,"az":67.4,"t":"2031-08-10T20:50:00Z","terrain":0.95},{"above_terrain":true,"airmass":2.6,"alt":22.48,"az":68.0,"t":"2031-08-10T20:55:00Z","terrain":0.99},{"above_terrain":true,"airmass":2.51,"alt":23.35,"az":68.7,"t":"2031-08-10T21:00:00Z","terrain":1.03},{"above_terrain":true,"airmass":2.43,"alt":24.23,"az":69.4,"t":"2031-08-10T21:05:00Z","terrain":1.12},{"above_terrain":true,"airmass":2.35,"alt":25.1,"az":70.1,"t":"2031-08-10T21:10:00Z","terrain":1.22},{"above_terrain":true,"airmass":2.27,"alt":25.99,"az":70.8,"t":"2031-08-10T21:15:00Z","terrain":1.25},{"above_terrain":true,"airmass":2.2,"alt":26.87,"az":71.5,"t":"2031-08-10T21:20:00Z","terrain":1.23},{"above_terrain":true,"airmass":2.14,"alt":27.76,"az":72.1,"t":"2031-08-10T21:25:00Z","terrain":1.17},{"above_terrain":true,"airmass":2.08,"alt":28.65,"az":72.8,"t":"2031-08-10T21:30:00Z","terrain":1.03},{"above_terrain":true,"airmass":2.02,"alt":29.55,"az":73.5,"t":"2031-08-10T21:35:00Z","terrain":0.86},{"above_terrain":true,"airmass":1.97,"alt":30.45,"az":74.2,"t":"2031-08-10T21:40:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.92,"alt":31.35,"az":74.9,"t":"2031-08-10T21:45:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.87,"alt":32.26,"az":75.6,"t":"2031-08-10T21:50:00Z","terrain":0.68},{"above_terrain":true,"airmass":1.82,"alt":33.16,"az":76.3,"t":"2031-08-10T21:55:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.78,"alt":34.07,"az":76.9,"t":"2031-08-10T22:00:00Z","terrain":0.7},{"above_terrain":true,"airmass":1.74,"alt":34.99,"az":77.6,"t":"2031-08-10T22:05:00Z","terrain":0.66},{"above_terrain":true,"airmass":1.7,"alt":35.9,"az":78.3,"t":"2031-08-10T22:10:00Z","terrain":0.61},{"above_terrain":true,"airmass":1.67,"alt":36.82,"az":79.0,"t":"2031-08-10T22:15:00Z","terrain":0.57},{"above_terrain":true,"airmass":1.63,"alt":37.74,"az":79.7,"t":"2031-08-10T22:20:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.6,"alt":38.66,"az":80.4,"t":"2031-08-10T22:25:00Z","terrain":0.56},{"above_terrain":true,"airmass":1.57,"alt":39.59,"az":81.2,"t":"2031-08-10T22:30:00Z","terrain":0.7},{"above_terrain":true,"airmass":1.54,"alt":40.51,"az":81.9,"t":"2031-08-10T22:35:00Z","terrain":0.78},{"above_terrain":true,"airmass":1.51,"alt":41.44,"az":82.6,"t":"2031-08-10T22:40:00Z","terrain":0.6},{"above_terrain":true,"airmass":1.48,"alt":42.37,"az":83.3,"t":"2031-08-10T22:45:00Z","terrain":0.44},{"above_terrain":true,"airmass":1.46,"alt":43.3,"az":84.1,"t":"2031-08-10T22:50:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.43,"alt":44.23,"az":84.8,"t":"2031-08-10T22:55:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.41,"alt":45.16,"az":85.6,"t":"2031-08-10T23:00:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.39,"alt":46.1,"az":86.3,"t":"2031-08-10T23:05:00Z","terrain":0.14},{"above_terrain":true,"airmass":1.37,"alt":47.03,"az":87.1,"t":"2031-08-10T23:10:00Z","terrain":0.05},{"above_terrain":true,"airmass":1.35,"alt":47.97,"az":87.9,"t":"2031-08-10T23:15:00Z","terrain":-0.06},{"above_terrain":true,"airmass":1.33,"alt":48.9,"az":88.7,"t":"2031-08-10T23:20:00Z","terrain":-0.16},{"above_terrain":true,"airmass":1.31,"alt":49.84,"az":89.5,"t":"2031-08-10T23:25:00Z","terrain":-0.21},{"above_terrain":true,"airmass":1.29,"alt":50.77,"az":90.4,"t":"2031-08-10T23:30:00Z","terrain":-0.17},{"above_terrain":true,"airmass":1.27,"alt":51.71,"az":91.2,"t":"2031-08-10T23:35:00Z","terrain":-0.05},{"above_terrain":true,"airmass":1.26,"alt":52.64,"az":92.1,"t":"2031-08-10T23:40:00Z","terrain":0.12},{"above_terrain":true,"airmass":1.24,"alt":53.58,"az":93.0,"t":"2031-08-10T23:45:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.23,"alt":54.51,"az":93.9,"t":"2031-08-10T23:50:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.21,"alt":55.45,"az":94.8,"t":"2031-08-10T23:55:00Z","terrain":0.39},{"above_terrain":true,"airmass":1.2,"alt":56.38,"az":95.8,"t":"2031-08-11T00:00:00Z","terrain":0.51},{"above_terrain":true,"airmass":1.19,"alt":57.31,"az":96.8,"t":"2031-08-11T00:05:00Z","terrain":0.69},{"above_terrain":true,"airmass":1.18,"alt":58.24,"az":97.8,"t":"2031-08-11T00:10:00Z","terrain":0.69},{"above_terrain":true,"airmass":1.16,"alt":59.16,"az":98.8,"t":"2031-08-11T00:15:00Z","terrain":0.51},{"above_terrain":true,"airmass":1.15,"alt":60.09,"az":99.9,"t":"2031-08-11T00:20:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.14,"alt":61.01,"az":101.1,"t":"2031-08-11T00:25:00Z","terrain":0.07},{"above_terrain":true,"airmass":1.13,"alt":61.92,"az":102.2,"t":"2031-08-11T00:30:00Z","terrain":-0.08},{"above_terrain":true,"airmass":1.12,"alt":62.84,"az":103.5,"t":"2031-08-11T00:35:00Z","terrain":-0.11},{"above_terrain":true,"airmass":1.11,"alt":63.74,"az":104.8,"t":"2031-08-11T00:40:00Z","terrain":-0.16},{"above_terrain":true,"airmass":1.11,"alt":64.65,"az":106.1,"t":"2031-08-11T00:45:00Z","terrain":-0.64},{"above_terrain":true,"airmass":1.1,"alt":65.54,"az":107.5,"t":"2031-08-11T00:50:00Z","terrain":-0.78},{"above_terrain":true,"airmass":1.09,"alt":66.43,"az":109.0,"t":"2031-08-11T00:55:00Z","terrain":-1.19},{"above_terrain":true,"airmass":1.08,"alt":67.31,"az":110.6,"t":"2031-08-11T01:00:00Z","terrain":-1.26},{"above_terrain":true,"airmass":1.08,"alt":68.18,"az":112.3,"t":"2031-08-11T01:05:00Z","terrain":-1.4},{"above_terrain":true,"airmass":1.07,"alt":69.04,"az":114.0,"t":"2031-08-11T01:10:00Z","terrain":-1.62},{"above_terrain":true,"airmass":1.06,"alt":69.89,"az":115.9,"t":"2031-08-11T01:15:00Z","terrain":-1.47},{"above_terrain":true,"airmass":1.06,"alt":70.73,"az":117.9,"t":"2031-08-11T01:20:00Z","terrain":-1.43},{"above_terrain":true,"airmass":1.05,"alt":71.55,"az":120.1,"t":"2031-08-11T01:25:00Z","terrain":-1.24},{"above_terrain":true,"airmass":1.05,"alt":72.35,"az":122.4,"t":"2031-08-11T01:30:00Z","terrain":-1.28},{"above_terrain":true,"airmass":1.04,"alt":73.12,"az":124.9,"t":"2031-08-11T01:35:00Z","terrain":-1.63},{"above_terrain":true,"airmass":1.04,"alt":73.88,"az":127.6,"t":"2031-08-11T01:40:00Z","terrain":-1.46},{"above_terrain":true,"airmass":1.04,"alt":74.61,"az":130.6,"t":"2031-08-11T01:45:00Z","terrain":-1.63},{"above_terrain":true,"airmass":1.03,"alt":75.3,"az":133.7,"t":"2031-08-11T01:50:00Z","terrain":-1.57},{"above_terrain":true,"airmass":1.03,"alt":75.96,"az":137.2,"t":"2031-08-11T01:55:00Z","terrain":-1.21},{"above_terrain":true,"airmass":1.03,"alt":76.57,"az":140.9,"t":"2031-08-11T02:00:00Z","terrain":-1.12},{"above_terrain":true,"airmass":1.03,"alt":77.13,"az":144.9,"t":"2031-08-11T02:05:00Z","terrain":-1.48},{"above_terrain":true,"airmass":1.02,"alt":77.64,"az":149.3,"t":"2031-08-11T02:10:00Z","terrain":-1.37},{"above_terrain":true,"airmass":1.02,"alt":78.09,"az":153.9,"t":"2031-08-11T02:15:00Z","terrain":-1.03},{"above_terrain":true,"airmass":1.02,"alt":78.46,"az":158.9,"t":"2031-08-11T02:20:00Z","terrain":-1.31},{"above_terrain":true,"airmass":1.02,"alt":78.76,"az":164.2,"t":"2031-08-11T02:25:00Z","terrain":-1.51},{"above_terrain":true,"airmass":1.02,"alt":78.97,"az":169.6,"t":"2031-08-11T02:30:00Z","terrain":-0.68},{"above_terrain":true,"airmass":1.02,"alt":79.1,"az":175.2,"t":"2031-08-11T02:35:00Z","terrain":-0.45},{"above_terrain":true,"airmass":1.02,"alt":79.13,"az":180.9,"t":"2031-08-11T02:40:00Z","terrain":-0.6},{"above_terrain":true,"airmass":1.02,"alt":79.07,"az":186.6,"t":"2031-08-11T02:45:00Z","terrain":-0.66},{"above_terrain":true,"airmass":1.02,"alt":78.91,"az":192.2,"t":"2031-08-11T02:50:00Z","terrain":-0.41},{"above_terrain":true,"airmass":1.02,"alt":78.67,"az":197.6,"t":"2031-08-11T02:55:00Z","terrain":-0.39},{"above_terrain":true,"airmass":1.02,"alt":78.35,"az":202.8,"t":"2031-08-11T03:00:00Z","terrain":-0.6},{"above_terrain":true,"airmass":1.02,"alt":77.95,"az":207.6,"t":"2031-08-11T03:05:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.02,"alt":77.48,"az":212.2,"t":"2031-08-11T03:10:00Z","terrain":0.42},{"above_terrain":true,"airmass":1.03,"alt":76.95,"az":216.4,"t":"2031-08-11T03:15:00Z","terrain":0.82},{"above_terrain":true,"airmass":1.03,"alt":76.37,"az":220.4,"t":"2031-08-11T03:20:00Z","terrain":1.18},{"above_terrain":true,"airmass":1.03,"alt":75.74,"az":224.0,"t":"2031-08-11T03:25:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.03,"alt":75.08,"az":227.3,"t":"2031-08-11T03:30:00Z","terrain":1.04},{"above_terrain":true,"airmass":1.04,"alt":74.37,"az":230.4,"t":"2031-08-11T03:35:00Z","terrain":1.04},{"above_terrain":true,"airmass":1.04,"alt":73.63,"az":233.3,"t":"2031-08-11T03:40:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.05,"alt":72.87,"az":235.9,"t":"2031-08-11T03:45:00Z","terrain":0.8},{"above_terrain":true,"airmass":1.05,"alt":72.08,"az":238.4,"t":"2031-08-11T03:50:00Z","terrain":0.69},{"above_terrain":true,"airmass":1.06,"alt":71.28,"az":240.6,"t":"2031-08-11T03:55:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.06,"alt":70.45,"az":242.7,"t":"2031-08-11T04:00:00Z","terrain":1.02},{"above_terrain":true,"airmass":1.07,"alt":69.61,"az":244.7,"t":"2031-08-11T04:05:00Z","terrain":0.98},{"above_terrain":true,"airmass":1.07,"alt":68.76,"az":246.6,"t":"2031-08-11T04:10:00Z","terrain":1.09},{"above_terrain":true,"airmass":1.08,"alt":67.9,"az":248.3,"t":"2031-08-11T04:15:00Z","terrain":0.55},{"above_terrain":true,"airmass":1.09,"alt":67.02,"az":249.9,"t":"2031-08-11T04:20:00Z","terrain":0.58},{"above_terrain":true,"airmass":1.09,"alt":66.14,"az":251.5,"t":"2031-08-11T04:25:00Z","terrain":0.39},{"above_terrain":true,"airmass":1.1,"alt":65.25,"az":252.9,"t":"2031-08-11T04:30:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.11,"alt":64.35,"az":254.3,"t":"2031-08-11T04:35:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.12,"alt":63.45,"az":255.7,"t":"2031-08-11T04:40:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.13,"alt":62.54,"az":256.9,"t":"2031-08-11T04:45:00Z","terrain":0.43},{"above_terrain":true,"airmass":1.14,"alt":61.62,"az":258.2,"t":"2031-08-11T04:50:00Z","terrain":0.38},{"above_terrain":true,"airmass":1.15,"alt":60.71,"az":259.3,"t":"2031-08-11T04:55:00Z","terrain":0.51},{"above_terrain":true,"airmass":1.16,"alt":59.78,"az":260.4,"t":"2031-08-11T05:00:00Z","terrain":0.68},{"above_terrain":true,"airmass":1.17,"alt":58.86,"az":261.5,"t":"2031-08-11T05:05:00Z","terrain":0.91},{"above_terrain":true,"airmass":1.18,"alt":57.93,"az":262.6,"t":"2031-08-11T05:10:00Z","terrain":0.88},{"above_terrain":true,"airmass":1.19,"alt":57.0,"az":263.6,"t":"2031-08-11T05:15:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.2,"alt":56.07,"az":264.6,"t":"2031-08-11T05:20:00Z","terrain":0.45},{"above_terrain":true,"airmass":1.22,"alt":55.14,"az":265.5,"t":"2031-08-11T05:25:00Z","terrain":0.43},{"above_terrain":true,"airmass":1.23,"alt":54.21,"az":266.4,"t":"2031-08-11T05:30:00Z","terrain":0.51},{"above_terrain":true,"airmass":1.25,"alt":53.27,"az":267.3,"t":"2031-08-11T05:35:00Z","terrain":0.6},{"above_terrain":true,"airmass":1.26,"alt":52.34,"az":268.2,"t":"2031-08-11T05:40:00Z","terrain":0.67},{"above_terrain":true,"airmass":1.28,"alt":51.4,"az":269.1,"t":"2031-08-11T05:45:00Z","terrain":0.76},{"above_terrain":true,"airmass":1.3,"alt":50.47,"az":269.9,"t":"2031-08-11T05:50:00Z","terrain":0.89},{"above_terrain":true,"airmass":1.31,"alt":49.53,"az":270.8,"t":"2031-08-11T05:55:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.33,"alt":48.59,"az":271.6,"t":"2031-08-11T06:00:00Z","terrain":0.58},{"above_terrain":true,"airmass":1.35,"alt":47.66,"az":272.4,"t":"2031-08-11T06:05:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.37,"alt":46.72,"az":273.1,"t":"2031-08-11T06:10:00Z","terrain":0.11},{"above_terrain":true,"airmass":1.39,"alt":45.79,"az":273.9,"t":"2031-08-11T06:15:00Z","terrain":-0.02},{"above_terrain":true,"airmass":1.42,"alt":44.86,"az":274.7,"t":"2031-08-11T06:20:00Z","terrain":0.05},{"above_terrain":true,"airmass":1.44,"alt":43.92,"az":275.4,"t":"2031-08-11T06:25:00Z","terrain":0.05},{"above_terrain":true,"airmass":1.46,"alt":42.99,"az":276.2,"t":"2031-08-11T06:30:00Z","terrain":-0.03},{"above_terrain":true,"airmass":1.49,"alt":42.06,"az":276.9,"t":"2031-08-11T06:35:00Z","terrain":-0.13},{"above_terrain":true,"airmass":1.52,"alt":41.13,"az":277.6,"t":"2031-08-11T06:40:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.55,"alt":40.21,"az":278.4,"t":"2031-08-11T06:45:00Z","terrain":-0.06},{"above_terrain":true,"airmass":1.58,"alt":39.28,"az":279.1,"t":"2031-08-11T06:50:00Z","terrain":-0.03},{"above_terrain":true,"airmass":1.61,"alt":38.36,"az":279.8,"t":"2031-08-11T06:55:00Z","terrain":-0.11},{"above_terrain":true,"airmass":1.64,"alt":37.44,"az":280.5,"t":"2031-08-11T07:00:00Z","terrain":-0.05},{"above_terrain":true,"airmass":1.68,"alt":36.52,"az":281.2,"t":"2031-08-11T07:05:00Z","terrain":-0.0},{"above_terrain":true,"airmass":1.71,"alt":35.6,"az":281.9,"t":"2031-08-11T07:10:00Z","terrain":-0.11},{"above_terrain":true,"airmass":1.75,"alt":34.69,"az":282.6,"t":"2031-08-11T07:15:00Z","terrain":-0.06},{"above_terrain":true,"airmass":1.79,"alt":33.77,"az":283.3,"t":"2031-08-11T07:20:00Z","terrain":0.03},{"above_terrain":true,"airmass":1.84,"alt":32.87,"az":284.0,"t":"2031-08-11T07:25:00Z","terrain":0.12},{"above_terrain":true,"airmass":1.88,"alt":31.96,"az":284.7,"t":"2031-08-11T07:30:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.93,"alt":31.05,"az":285.3,"t":"2031-08-11T07:35:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.99,"alt":30.15,"az":286.0,"t":"2031-08-11T07:40:00Z","terrain":0.22},{"above_terrain":true,"airmass":2.04,"alt":29.25,"az":286.7,"t":"2031-08-11T07:45:00Z","terrain":0.33},{"above_terrain":true,"airmass":2.1,"alt":28.36,"az":287.4,"t":"2031-08-11T07:50:00Z","terrain":0.29},{"above_terrain":true,"airmass":2.16,"alt":27.47,"az":288.1,"t":"2031-08-11T07:55:00Z","terrain":0.17},{"above_terrain":true,"airmass":2.23,"alt":26.58,"az":288.8,"t":"2031-08-11T08:00:00Z","terrain":0.18},{"above_terrain":true,"airmass":2.3,"alt":25.7,"az":289.4,"t":"2031-08-11T08:05:00Z","terrain":0.23},{"above_terrain":true,"airmass":2.37,"alt":24.82,"az":290.1,"t":"2031-08-11T08:10:00Z","terrain":0.32},{"above_terrain":true,"airmass":2.45,"alt":23.94,"az":290.8,"t":"2031-08-11T08:15:00Z","terrain":0.45},{"above_terrain":true,"airmass":2.54,"alt":23.07,"az":291.5,"t":"2031-08-11T08:20:00Z","terrain":0.52},{"above_terrain":true,"airmass":2.63,"alt":22.2,"az":292.2,"t":"2031-08-11T08:25:00Z","terrain":0.5},{"above_terrain":true,"airmass":2.73,"alt":21.33,"az":292.9,"t":"2031-08-11T08:30:00Z","terrain":0.31},{"above_terrain":true,"airmass":2.84,"alt":20.47,"az":293.6,"t":"2031-08-11T08:35:00Z","terrain":0.26},{"above_terrain":true,"airmass":2.96,"alt":19.62,"az":294.3,"t":"2031-08-11T08:40:00Z","terrain":0.24},{"above_terrain":true,"airmass":3.08,"alt":18.77,"az":295.0,"t":"2031-08-11T08:45:00Z","terrain":0.23},{"above_terrain":true,"airmass":3.22,"alt":17.92,"az":295.7,"t":"2031-08-11T08:50:00Z","terrain":0.3},{"above_terrain":true,"airmass":3.37,"alt":17.08,"az":296.4,"t":"2031-08-11T08:55:00Z","terrain":0.3},{"above_terrain":true,"airmass":3.54,"alt":16.24,"az":297.1,"t":"2031-08-11T09:00:00Z","terrain":0.25}],"transit":{"airmass":1.02,"alt":79.1,"az":180.9,"t":"2031-08-11T02:40:00Z"},"usable_hours":4.92,"verdict":"good","zenith_passage":false},"warnings":["No cloud data for this night (beyond the 4-day forecast, or not yet in the archive) \u2014 the score is geometry only."]}