{"assessment":{"best_window":{"end":"2039-09-19T02:35Z","end_local":"05:35","hours":5.42,"label":"good","mean_quality":0.92,"start":"2039-09-18T21:10Z","start_local":"00:10"},"cost":{"altitude":3.72,"clouds":0.0,"darkness":1.16,"moon":0.0},"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":-14,"cloud":null,"high":null,"iso":"2039-09-18T17:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-2,"precip":null,"q":0.0,"rh":null,"sky":"nautical twilight","temp":null,"time":"20:00","wind":null},{"alt":-7,"cloud":null,"high":null,"iso":"2039-09-18T18:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-13,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"21:00","wind":null},{"alt":2,"cloud":null,"high":null,"iso":"2039-09-18T19:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-23,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"22:00","wind":null},{"alt":12,"cloud":null,"high":null,"iso":"2039-09-18T20:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-32,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":23,"cloud":null,"high":null,"iso":"2039-09-18T21:00Z","label":"marginal","low":null,"mid":null,"moon_alt":-39,"precip":null,"q":0.53,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":34,"cloud":null,"high":null,"iso":"2039-09-18T22:00Z","label":"good","low":null,"mid":null,"moon_alt":-44,"precip":null,"q":0.83,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":45,"cloud":null,"high":null,"iso":"2039-09-18T23:00Z","label":"good","low":null,"mid":null,"moon_alt":-46,"precip":null,"q":0.9,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":56,"cloud":null,"high":null,"iso":"2039-09-19T00:00Z","label":"good","low":null,"mid":null,"moon_alt":-44,"precip":null,"q":0.98,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":66,"cloud":null,"high":null,"iso":"2039-09-19T01:00Z","label":"good","low":null,"mid":null,"moon_alt":-38,"precip":null,"q":1.0,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":72,"cloud":null,"high":null,"iso":"2039-09-19T02:00Z","label":"good","low":null,"mid":null,"moon_alt":-31,"precip":null,"q":1.0,"rh":null,"sky":"night","temp":null,"time":"05:00","wind":null},{"alt":71,"cloud":null,"high":null,"iso":"2039-09-19T03:00Z","label":"marginal","low":null,"mid":null,"moon_alt":-21,"precip":null,"q":0.5,"rh":null,"sky":"astronomical twilight","temp":null,"time":"06:00","wind":null},{"alt":63,"cloud":null,"high":null,"iso":"2039-09-19T04:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-11,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"07:00","wind":null}],"peak_quality":1.0,"peak_sky":1.0,"quality_hours":5.54,"reasons":["the target being low or below 20\u00b0 cost 3.7 quality-hours","daylight and twilight cost 1.2 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":100,"score_weather":null,"sky_hours":5.54,"verdict":"unknown","verdict_astronomy":"good","weather_known":false,"windows":[{"end":"2039-09-18T20:45Z","end_local":"23:45","hours":4.33,"label":"unusable","mean_quality":0.0,"start":"2039-09-18T16:25Z","start_local":"19:25"},{"end":"2039-09-18T21:10Z","end_local":"00:10","hours":0.42,"label":"marginal","mean_quality":0.49,"start":"2039-09-18T20:45Z","start_local":"23:45"},{"end":"2039-09-19T02:35Z","end_local":"05:35","hours":5.42,"label":"good","mean_quality":0.92,"start":"2039-09-18T21:10Z","start_local":"00:10"},{"end":"2039-09-19T03:05Z","end_local":"06:05","hours":0.5,"label":"marginal","mean_quality":0.5,"start":"2039-09-19T02:35Z","start_local":"05:35"},{"end":"2039-09-19T03:40Z","end_local":"06:40","hours":0.58,"label":"poor","mean_quality":0.15,"start":"2039-09-19T03:05Z","start_local":"06:05"},{"end":"2039-09-19T04:05Z","end_local":"07:05","hours":0.42,"label":"unusable","mean_quality":0.0,"start":"2039-09-19T03:40Z","start_local":"06:40"}]},"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":"2039-09-18T17:59:43Z","dark_hours":8.52,"dark_to":"2039-09-19T02:30:58Z","moon":{"illumination":0.006,"phase":"new moon","waxing":true},"moon_free_dark_hours":8.5,"moonrise":"2039-09-19T05:03:35Z","moonset":"2039-09-18T16:49:23Z","sunrise":"2039-09-19T04:04:59Z","sunset":"2039-09-18T16:25:49Z","twilight":{"astronomical":{"end":"2039-09-18T17:59:43Z","start":"2039-09-19T02:30:58Z"},"civil":{"end":"2039-09-18T16:53:35Z","start":"2039-09-19T03:37:10Z"},"nautical":{"end":"2039-09-18T17:26:15Z","start":"2039-09-19T03:04:28Z"}},"window_end":"2039-09-19T09:00:00Z","window_start":"2039-09-18T09:00:00Z"},"night_date":"2039-09-18","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.05,"alt":72.5,"t":"2039-09-19T02:20:00Z"},"dec":24.11388889,"dec_of_date":24.2346,"dec_str":"+24\u00b0 06' 50.0\"","good_hours":4.92,"limit_rise":"2039-09-18T20:42:32Z","limit_set":"2039-09-19T07:54:10Z","max_az_rate_deg_per_min":0.76,"moon_separation":122.9,"never_rises":false,"ra":56.60083333,"ra_of_date":57.1928,"ra_str":"03h 46m 24.2s","resolved":{"common_name":"Seven Sisters","dec":24.11388889,"name":"Cl Melotte 22","ra":56.60083333,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=M45","source":"sesame","type":"OpC","type_text":"open cluster"},"summary":"4.9 dark hours above 30\u00b0 \u2014 a proper target for this night.","terrain":{"available":true,"behind_at":"2039-09-18T09:56:42Z","blocked_dark_hours":0,"clears_at":"2039-09-18T18:52:39Z","rise_az":294.5},"track":[{"above_terrain":true,"airmass":6.09,"alt":9.11,"az":294.5,"t":"2039-09-18T09:00:00Z","terrain":0.24},{"above_terrain":true,"airmass":6.66,"alt":8.26,"az":295.2,"t":"2039-09-18T09:05:00Z","terrain":0.25},{"above_terrain":true,"airmass":7.34,"alt":7.42,"az":296.0,"t":"2039-09-18T09:10:00Z","terrain":0.33},{"above_terrain":true,"airmass":8.16,"alt":6.58,"az":296.8,"t":"2039-09-18T09:15:00Z","terrain":0.28},{"above_terrain":true,"airmass":9.18,"alt":5.74,"az":297.6,"t":"2039-09-18T09:20:00Z","terrain":0.18},{"above_terrain":true,"airmass":10.45,"alt":4.92,"az":298.4,"t":"2039-09-18T09:25:00Z","terrain":0.14},{"above_terrain":true,"airmass":12.08,"alt":4.1,"az":299.2,"t":"2039-09-18T09:30:00Z","terrain":0.2},{"above_terrain":true,"airmass":14.23,"alt":3.28,"az":300.0,"t":"2039-09-18T09:35:00Z","terrain":0.36},{"above_terrain":true,"airmass":17.16,"alt":2.48,"az":300.8,"t":"2039-09-18T09:40:00Z","terrain":0.33},{"above_terrain":true,"airmass":21.3,"alt":1.68,"az":301.6,"t":"2039-09-18T09:45:00Z","terrain":0.18},{"above_terrain":true,"airmass":27.39,"alt":0.88,"az":302.4,"t":"2039-09-18T09:50:00Z","terrain":-0.05},{"above_terrain":true,"airmass":36.54,"alt":0.1,"az":303.2,"t":"2039-09-18T09:55:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-0.68,"az":304.1,"t":"2039-09-18T10:00:00Z","terrain":-0.12},{"above_terrain":false,"airmass":null,"alt":-1.46,"az":304.9,"t":"2039-09-18T10:05:00Z","terrain":-0.28},{"above_terrain":false,"airmass":null,"alt":-2.22,"az":305.8,"t":"2039-09-18T10:10:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-2.97,"az":306.6,"t":"2039-09-18T10:15:00Z","terrain":0.05},{"above_terrain":false,"airmass":null,"alt":-3.72,"az":307.5,"t":"2039-09-18T10:20:00Z","terrain":0.25},{"above_terrain":false,"airmass":null,"alt":-4.46,"az":308.4,"t":"2039-09-18T10:25:00Z","terrain":0.26},{"above_terrain":false,"airmass":null,"alt":-5.19,"az":309.3,"t":"2039-09-18T10:30:00Z","terrain":0.18},{"above_terrain":false,"airmass":null,"alt":-5.91,"az":310.2,"t":"2039-09-18T10:35:00Z","terrain":0.24},{"above_terrain":false,"airmass":null,"alt":-6.62,"az":311.1,"t":"2039-09-18T10:40:00Z","terrain":0.35},{"above_terrain":false,"airmass":null,"alt":-7.32,"az":312.0,"t":"2039-09-18T10:45:00Z","terrain":0.15},{"above_terrain":false,"airmass":null,"alt":-8.01,"az":312.9,"t":"2039-09-18T10:50:00Z","terrain":0.25},{"above_terrain":false,"airmass":null,"alt":-8.69,"az":313.8,"t":"2039-09-18T10:55:00Z","terrain":0.43},{"above_terrain":false,"airmass":null,"alt":-9.36,"az":314.7,"t":"2039-09-18T11:00:00Z","terrain":0.54},{"above_terrain":false,"airmass":null,"alt":-10.02,"az":315.7,"t":"2039-09-18T11:05:00Z","terrain":0.5},{"above_terrain":false,"airmass":null,"alt":-10.67,"az":316.7,"t":"2039-09-18T11:10:00Z","terrain":0.36},{"above_terrain":false,"airmass":null,"alt":-11.31,"az":317.6,"t":"2039-09-18T11:15:00Z","terrain":0.32},{"above_terrain":false,"airmass":null,"alt":-11.93,"az":318.6,"t":"2039-09-18T11:20:00Z","terrain":0.05},{"above_terrain":false,"airmass":null,"alt":-12.54,"az":319.6,"t":"2039-09-18T11:25:00Z","terrain":-0.17},{"above_terrain":false,"airmass":null,"alt":-13.14,"az":320.6,"t":"2039-09-18T11:30:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-13.73,"az":321.6,"t":"2039-09-18T11:35:00Z","terrain":0.04},{"above_terrain":false,"airmass":null,"alt":-14.31,"az":322.6,"t":"2039-09-18T11:40:00Z","terrain":0.13},{"above_terrain":false,"airmass":null,"alt":-14.87,"az":323.6,"t":"2039-09-18T11:45:00Z","terrain":-0.1},{"above_terrain":false,"airmass":null,"alt":-15.42,"az":324.7,"t":"2039-09-18T11:50:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-15.95,"az":325.7,"t":"2039-09-18T11:55:00Z","terrain":-0.23},{"above_terrain":false,"airmass":null,"alt":-16.47,"az":326.8,"t":"2039-09-18T12:00:00Z","terrain":-0.36},{"above_terrain":false,"airmass":null,"alt":-16.98,"az":327.9,"t":"2039-09-18T12:05:00Z","terrain":-0.25},{"above_terrain":false,"airmass":null,"alt":-17.47,"az":328.9,"t":"2039-09-18T12:10:00Z","terrain":-0.14},{"above_terrain":false,"airmass":null,"alt":-17.94,"az":330.0,"t":"2039-09-18T12:15:00Z","terrain":-0.35},{"above_terrain":false,"airmass":null,"alt":-18.4,"az":331.1,"t":"2039-09-18T12:20:00Z","terrain":-0.36},{"above_terrain":false,"airmass":null,"alt":-18.85,"az":332.2,"t":"2039-09-18T12:25:00Z","terrain":-0.14},{"above_terrain":false,"airmass":null,"alt":-19.27,"az":333.4,"t":"2039-09-18T12:30:00Z","terrain":-0.16},{"above_terrain":false,"airmass":null,"alt":-19.69,"az":334.5,"t":"2039-09-18T12:35:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-20.08,"az":335.6,"t":"2039-09-18T12:40:00Z","terrain":-0.74},{"above_terrain":false,"airmass":null,"alt":-20.46,"az":336.8,"t":"2039-09-18T12:45:00Z","terrain":-0.75},{"above_terrain":false,"airmass":null,"alt":-20.82,"az":337.9,"t":"2039-09-18T12:50:00Z","terrain":-0.49},{"above_terrain":false,"airmass":null,"alt":-21.16,"az":339.1,"t":"2039-09-18T12:55:00Z","terrain":-0.73},{"above_terrain":false,"airmass":null,"alt":-21.49,"az":340.3,"t":"2039-09-18T13:00:00Z","terrain":-0.5},{"above_terrain":false,"airmass":null,"alt":-21.79,"az":341.5,"t":"2039-09-18T13:05:00Z","terrain":-0.46},{"above_terrain":false,"airmass":null,"alt":-22.08,"az":342.7,"t":"2039-09-18T13:10:00Z","terrain":-0.42},{"above_terrain":false,"airmass":null,"alt":-22.35,"az":343.9,"t":"2039-09-18T13:15:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-22.6,"az":345.1,"t":"2039-09-18T13:20:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-22.83,"az":346.3,"t":"2039-09-18T13:25:00Z","terrain":-0.51},{"above_terrain":false,"airmass":null,"alt":-23.04,"az":347.5,"t":"2039-09-18T13:30:00Z","terrain":-0.28},{"above_terrain":false,"airmass":null,"alt":-23.24,"az":348.7,"t":"2039-09-18T13:35:00Z","terrain":-0.04},{"above_terrain":false,"airmass":null,"alt":-23.41,"az":350.0,"t":"2039-09-18T13:40:00Z","terrain":0.13},{"above_terrain":false,"airmass":null,"alt":-23.56,"az":351.2,"t":"2039-09-18T13:45:00Z","terrain":0.16},{"above_terrain":false,"airmass":null,"alt":-23.7,"az":352.4,"t":"2039-09-18T13:50:00Z","terrain":0.37},{"above_terrain":false,"airmass":null,"alt":-23.81,"az":353.7,"t":"2039-09-18T13:55:00Z","terrain":0.58},{"above_terrain":false,"airmass":null,"alt":-23.9,"az":354.9,"t":"2039-09-18T14:00:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-23.98,"az":356.2,"t":"2039-09-18T14:05:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-24.03,"az":357.4,"t":"2039-09-18T14:10:00Z","terrain":0.7},{"above_terrain":false,"airmass":null,"alt":-24.06,"az":358.7,"t":"2039-09-18T14:15:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-24.07,"az":359.9,"t":"2039-09-18T14:20:00Z","terrain":0.51},{"above_terrain":false,"airmass":null,"alt":-24.06,"az":1.2,"t":"2039-09-18T14:25:00Z","terrain":0.33},{"above_terrain":false,"airmass":null,"alt":-24.03,"az":2.4,"t":"2039-09-18T14:30:00Z","terrain":0.01},{"above_terrain":false,"airmass":null,"alt":-23.98,"az":3.7,"t":"2039-09-18T14:35:00Z","terrain":-0.23},{"above_terrain":false,"airmass":null,"alt":-23.91,"az":4.9,"t":"2039-09-18T14:40:00Z","terrain":-0.42},{"above_terrain":false,"airmass":null,"alt":-23.82,"az":6.2,"t":"2039-09-18T14:45:00Z","terrain":-0.56},{"above_terrain":false,"airmass":null,"alt":-23.71,"az":7.4,"t":"2039-09-18T14:50:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-23.58,"az":8.6,"t":"2039-09-18T14:55:00Z","terrain":-0.57},{"above_terrain":false,"airmass":null,"alt":-23.43,"az":9.9,"t":"2039-09-18T15:00:00Z","terrain":-0.61},{"above_terrain":false,"airmass":null,"alt":-23.26,"az":11.1,"t":"2039-09-18T15:05:00Z","terrain":-0.37},{"above_terrain":false,"airmass":null,"alt":-23.07,"az":12.3,"t":"2039-09-18T15:10:00Z","terrain":-0.14},{"above_terrain":false,"airmass":null,"alt":-22.86,"az":13.6,"t":"2039-09-18T15:15:00Z","terrain":0.02},{"above_terrain":false,"airmass":null,"alt":-22.63,"az":14.8,"t":"2039-09-18T15:20:00Z","terrain":0.34},{"above_terrain":false,"airmass":null,"alt":-22.38,"az":16.0,"t":"2039-09-18T15:25:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-22.12,"az":17.2,"t":"2039-09-18T15:30:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-21.83,"az":18.4,"t":"2039-09-18T15:35:00Z","terrain":0.56},{"above_terrain":false,"airmass":null,"alt":-21.53,"az":19.6,"t":"2039-09-18T15:40:00Z","terrain":0.65},{"above_terrain":false,"airmass":null,"alt":-21.2,"az":20.7,"t":"2039-09-18T15:45:00Z","terrain":0.68},{"above_terrain":false,"airmass":null,"alt":-20.86,"az":21.9,"t":"2039-09-18T15:50:00Z","terrain":0.96},{"above_terrain":false,"airmass":null,"alt":-20.51,"az":23.1,"t":"2039-09-18T15:55:00Z","terrain":1.14},{"above_terrain":false,"airmass":null,"alt":-20.13,"az":24.2,"t":"2039-09-18T16:00:00Z","terrain":0.99},{"above_terrain":false,"airmass":null,"alt":-19.74,"az":25.4,"t":"2039-09-18T16:05:00Z","terrain":1.26},{"above_terrain":false,"airmass":null,"alt":-19.33,"az":26.5,"t":"2039-09-18T16:10:00Z","terrain":1.31},{"above_terrain":false,"airmass":null,"alt":-18.9,"az":27.6,"t":"2039-09-18T16:15:00Z","terrain":1.22},{"above_terrain":false,"airmass":null,"alt":-18.46,"az":28.7,"t":"2039-09-18T16:20:00Z","terrain":1.05},{"above_terrain":false,"airmass":null,"alt":-18.0,"az":29.8,"t":"2039-09-18T16:25:00Z","terrain":1.12},{"above_terrain":false,"airmass":null,"alt":-17.53,"az":30.9,"t":"2039-09-18T16:30:00Z","terrain":1.3},{"above_terrain":false,"airmass":null,"alt":-17.04,"az":32.0,"t":"2039-09-18T16:35:00Z","terrain":1.33},{"above_terrain":false,"airmass":null,"alt":-16.54,"az":33.1,"t":"2039-09-18T16:40:00Z","terrain":0.95},{"above_terrain":false,"airmass":null,"alt":-16.02,"az":34.1,"t":"2039-09-18T16:45:00Z","terrain":0.38},{"above_terrain":false,"airmass":null,"alt":-15.49,"az":35.2,"t":"2039-09-18T16:50:00Z","terrain":0.05},{"above_terrain":false,"airmass":null,"alt":-14.94,"az":36.2,"t":"2039-09-18T16:55:00Z","terrain":0.0},{"above_terrain":false,"airmass":null,"alt":-14.38,"az":37.3,"t":"2039-09-18T17:00:00Z","terrain":-0.12},{"above_terrain":false,"airmass":null,"alt":-13.81,"az":38.3,"t":"2039-09-18T17:05:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-13.22,"az":39.3,"t":"2039-09-18T17:10:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-12.62,"az":40.3,"t":"2039-09-18T17:15:00Z","terrain":-0.03},{"above_terrain":false,"airmass":null,"alt":-12.01,"az":41.3,"t":"2039-09-18T17:20:00Z","terrain":0.05},{"above_terrain":false,"airmass":null,"alt":-11.39,"az":42.3,"t":"2039-09-18T17:25:00Z","terrain":0.15},{"above_terrain":false,"airmass":null,"alt":-10.75,"az":43.2,"t":"2039-09-18T17:30:00Z","terrain":0.29},{"above_terrain":false,"airmass":null,"alt":-10.11,"az":44.2,"t":"2039-09-18T17:35:00Z","terrain":0.44},{"above_terrain":false,"airmass":null,"alt":-9.45,"az":45.1,"t":"2039-09-18T17:40:00Z","terrain":0.59},{"above_terrain":false,"airmass":null,"alt":-8.78,"az":46.1,"t":"2039-09-18T17:45:00Z","terrain":0.67},{"above_terrain":false,"airmass":null,"alt":-8.1,"az":47.0,"t":"2039-09-18T17:50:00Z","terrain":0.61},{"above_terrain":false,"airmass":null,"alt":-7.41,"az":47.9,"t":"2039-09-18T17:55:00Z","terrain":0.54},{"above_terrain":false,"airmass":null,"alt":-6.71,"az":48.8,"t":"2039-09-18T18:00:00Z","terrain":0.43},{"above_terrain":false,"airmass":null,"alt":-6.0,"az":49.7,"t":"2039-09-18T18:05:00Z","terrain":0.4},{"above_terrain":false,"airmass":null,"alt":-5.28,"az":50.6,"t":"2039-09-18T18:10:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-4.56,"az":51.5,"t":"2039-09-18T18:15:00Z","terrain":0.58},{"above_terrain":false,"airmass":null,"alt":-3.82,"az":52.4,"t":"2039-09-18T18:20:00Z","terrain":0.71},{"above_terrain":false,"airmass":null,"alt":-3.07,"az":53.3,"t":"2039-09-18T18:25:00Z","terrain":0.88},{"above_terrain":false,"airmass":null,"alt":-2.32,"az":54.1,"t":"2039-09-18T18:30:00Z","terrain":1.01},{"above_terrain":false,"airmass":null,"alt":-1.56,"az":55.0,"t":"2039-09-18T18:35:00Z","terrain":1.08},{"above_terrain":false,"airmass":null,"alt":-0.79,"az":55.8,"t":"2039-09-18T18:40:00Z","terrain":1.06},{"above_terrain":false,"airmass":null,"alt":-0.01,"az":56.6,"t":"2039-09-18T18:45:00Z","terrain":1.06},{"above_terrain":false,"airmass":28.38,"alt":0.78,"az":57.5,"t":"2039-09-18T18:50:00Z","terrain":1.16},{"above_terrain":true,"airmass":21.97,"alt":1.57,"az":58.3,"t":"2039-09-18T18:55:00Z","terrain":1.24},{"above_terrain":true,"airmass":17.62,"alt":2.37,"az":59.1,"t":"2039-09-18T19:00:00Z","terrain":1.21},{"above_terrain":true,"airmass":14.56,"alt":3.18,"az":59.9,"t":"2039-09-18T19:05:00Z","terrain":1.17},{"above_terrain":true,"airmass":12.33,"alt":3.99,"az":60.7,"t":"2039-09-18T19:10:00Z","terrain":1.11},{"above_terrain":true,"airmass":10.64,"alt":4.81,"az":61.5,"t":"2039-09-18T19:15:00Z","terrain":1.05},{"above_terrain":true,"airmass":9.33,"alt":5.64,"az":62.3,"t":"2039-09-18T19:20:00Z","terrain":0.98},{"above_terrain":true,"airmass":8.29,"alt":6.47,"az":63.1,"t":"2039-09-18T19:25:00Z","terrain":0.89},{"above_terrain":true,"airmass":7.44,"alt":7.31,"az":63.9,"t":"2039-09-18T19:30:00Z","terrain":0.78},{"above_terrain":true,"airmass":6.74,"alt":8.15,"az":64.7,"t":"2039-09-18T19:35:00Z","terrain":0.77},{"above_terrain":true,"airmass":6.16,"alt":9.0,"az":65.4,"t":"2039-09-18T19:40:00Z","terrain":0.8},{"above_terrain":true,"airmass":5.66,"alt":9.85,"az":66.2,"t":"2039-09-18T19:45:00Z","terrain":0.85},{"above_terrain":true,"airmass":5.24,"alt":10.71,"az":67.0,"t":"2039-09-18T19:50:00Z","terrain":0.93},{"above_terrain":true,"airmass":4.87,"alt":11.57,"az":67.7,"t":"2039-09-18T19:55:00Z","terrain":0.97},{"above_terrain":true,"airmass":4.55,"alt":12.44,"az":68.5,"t":"2039-09-18T20:00:00Z","terrain":1.02},{"above_terrain":true,"airmass":4.27,"alt":13.32,"az":69.3,"t":"2039-09-18T20:05:00Z","terrain":1.09},{"above_terrain":true,"airmass":4.02,"alt":14.19,"az":70.0,"t":"2039-09-18T20:10:00Z","terrain":1.22},{"above_terrain":true,"airmass":3.79,"alt":15.07,"az":70.8,"t":"2039-09-18T20:15:00Z","terrain":1.25},{"above_terrain":true,"airmass":3.59,"alt":15.96,"az":71.5,"t":"2039-09-18T20:20:00Z","terrain":1.23},{"above_terrain":true,"airmass":3.41,"alt":16.85,"az":72.3,"t":"2039-09-18T20:25:00Z","terrain":1.14},{"above_terrain":true,"airmass":3.25,"alt":17.74,"az":73.0,"t":"2039-09-18T20:30:00Z","terrain":0.99},{"above_terrain":true,"airmass":3.1,"alt":18.64,"az":73.8,"t":"2039-09-18T20:35:00Z","terrain":0.79},{"above_terrain":true,"airmass":2.97,"alt":19.54,"az":74.5,"t":"2039-09-18T20:40:00Z","terrain":0.68},{"above_terrain":true,"airmass":2.84,"alt":20.44,"az":75.2,"t":"2039-09-18T20:45:00Z","terrain":0.65},{"above_terrain":true,"airmass":2.73,"alt":21.35,"az":76.0,"t":"2039-09-18T20:50:00Z","terrain":0.72},{"above_terrain":true,"airmass":2.63,"alt":22.26,"az":76.7,"t":"2039-09-18T20:55:00Z","terrain":0.71},{"above_terrain":true,"airmass":2.53,"alt":23.17,"az":77.5,"t":"2039-09-18T21:00:00Z","terrain":0.67},{"above_terrain":true,"airmass":2.44,"alt":24.09,"az":78.2,"t":"2039-09-18T21:05:00Z","terrain":0.62},{"above_terrain":true,"airmass":2.36,"alt":25.01,"az":79.0,"t":"2039-09-18T21:10:00Z","terrain":0.57},{"above_terrain":true,"airmass":2.28,"alt":25.92,"az":79.7,"t":"2039-09-18T21:15:00Z","terrain":0.49},{"above_terrain":true,"airmass":2.21,"alt":26.85,"az":80.5,"t":"2039-09-18T21:20:00Z","terrain":0.57},{"above_terrain":true,"airmass":2.14,"alt":27.77,"az":81.2,"t":"2039-09-18T21:25:00Z","terrain":0.71},{"above_terrain":true,"airmass":2.08,"alt":28.7,"az":82.0,"t":"2039-09-18T21:30:00Z","terrain":0.8},{"above_terrain":true,"airmass":2.02,"alt":29.62,"az":82.8,"t":"2039-09-18T21:35:00Z","terrain":0.55},{"above_terrain":true,"airmass":1.96,"alt":30.55,"az":83.5,"t":"2039-09-18T21:40:00Z","terrain":0.42},{"above_terrain":true,"airmass":1.91,"alt":31.48,"az":84.3,"t":"2039-09-18T21:45:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.86,"alt":32.42,"az":85.1,"t":"2039-09-18T21:50:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.81,"alt":33.35,"az":85.9,"t":"2039-09-18T21:55:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.77,"alt":34.28,"az":86.7,"t":"2039-09-18T22:00:00Z","terrain":0.1},{"above_terrain":true,"airmass":1.73,"alt":35.22,"az":87.5,"t":"2039-09-18T22:05:00Z","terrain":0.0},{"above_terrain":true,"airmass":1.69,"alt":36.15,"az":88.3,"t":"2039-09-18T22:10:00Z","terrain":-0.11},{"above_terrain":true,"airmass":1.66,"alt":37.09,"az":89.1,"t":"2039-09-18T22:15:00Z","terrain":-0.2},{"above_terrain":true,"airmass":1.62,"alt":38.03,"az":89.9,"t":"2039-09-18T22:20:00Z","terrain":-0.22},{"above_terrain":true,"airmass":1.59,"alt":38.96,"az":90.8,"t":"2039-09-18T22:25:00Z","terrain":-0.12},{"above_terrain":true,"airmass":1.56,"alt":39.9,"az":91.6,"t":"2039-09-18T22:30:00Z","terrain":0.03},{"above_terrain":true,"airmass":1.53,"alt":40.83,"az":92.5,"t":"2039-09-18T22:35:00Z","terrain":0.21},{"above_terrain":true,"airmass":1.5,"alt":41.77,"az":93.4,"t":"2039-09-18T22:40:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.47,"alt":42.7,"az":94.2,"t":"2039-09-18T22:45:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.45,"alt":43.63,"az":95.1,"t":"2039-09-18T22:50:00Z","terrain":0.41},{"above_terrain":true,"airmass":1.42,"alt":44.57,"az":96.1,"t":"2039-09-18T22:55:00Z","terrain":0.56},{"above_terrain":true,"airmass":1.4,"alt":45.5,"az":97.0,"t":"2039-09-18T23:00:00Z","terrain":0.73},{"above_terrain":true,"airmass":1.38,"alt":46.42,"az":98.0,"t":"2039-09-18T23:05:00Z","terrain":0.68},{"above_terrain":true,"airmass":1.36,"alt":47.35,"az":99.0,"t":"2039-09-18T23:10:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.34,"alt":48.27,"az":100.0,"t":"2039-09-18T23:15:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.32,"alt":49.19,"az":101.0,"t":"2039-09-18T23:20:00Z","terrain":0.08},{"above_terrain":true,"airmass":1.3,"alt":50.11,"az":102.0,"t":"2039-09-18T23:25:00Z","terrain":-0.05},{"above_terrain":true,"airmass":1.29,"alt":51.02,"az":103.1,"t":"2039-09-18T23:30:00Z","terrain":-0.19},{"above_terrain":true,"airmass":1.27,"alt":51.93,"az":104.2,"t":"2039-09-18T23:35:00Z","terrain":-0.04},{"above_terrain":true,"airmass":1.25,"alt":52.84,"az":105.4,"t":"2039-09-18T23:40:00Z","terrain":-0.37},{"above_terrain":true,"airmass":1.24,"alt":53.74,"az":106.6,"t":"2039-09-18T23:45:00Z","terrain":-0.62},{"above_terrain":true,"airmass":1.23,"alt":54.63,"az":107.8,"t":"2039-09-18T23:50:00Z","terrain":-0.86},{"above_terrain":true,"airmass":1.21,"alt":55.52,"az":109.0,"t":"2039-09-18T23:55:00Z","terrain":-1.19},{"above_terrain":true,"airmass":1.2,"alt":56.4,"az":110.3,"t":"2039-09-19T00:00:00Z","terrain":-1.21},{"above_terrain":true,"airmass":1.19,"alt":57.27,"az":111.7,"t":"2039-09-19T00:05:00Z","terrain":-1.36},{"above_terrain":true,"airmass":1.18,"alt":58.14,"az":113.1,"t":"2039-09-19T00:10:00Z","terrain":-1.45},{"above_terrain":true,"airmass":1.17,"alt":59.0,"az":114.5,"t":"2039-09-19T00:15:00Z","terrain":-1.56},{"above_terrain":true,"airmass":1.16,"alt":59.84,"az":116.0,"t":"2039-09-19T00:20:00Z","terrain":-1.48},{"above_terrain":true,"airmass":1.15,"alt":60.68,"az":117.6,"t":"2039-09-19T00:25:00Z","terrain":-1.5},{"above_terrain":true,"airmass":1.14,"alt":61.5,"az":119.2,"t":"2039-09-19T00:30:00Z","terrain":-1.42},{"above_terrain":true,"airmass":1.13,"alt":62.31,"az":121.0,"t":"2039-09-19T00:35:00Z","terrain":-1.25},{"above_terrain":true,"airmass":1.12,"alt":63.11,"az":122.8,"t":"2039-09-19T00:40:00Z","terrain":-1.34},{"above_terrain":true,"airmass":1.11,"alt":63.88,"az":124.6,"t":"2039-09-19T00:45:00Z","terrain":-1.58},{"above_terrain":true,"airmass":1.11,"alt":64.65,"az":126.6,"t":"2039-09-19T00:50:00Z","terrain":-1.56},{"above_terrain":true,"airmass":1.1,"alt":65.39,"az":128.6,"t":"2039-09-19T00:55:00Z","terrain":-1.23},{"above_terrain":true,"airmass":1.09,"alt":66.11,"az":130.8,"t":"2039-09-19T01:00:00Z","terrain":-1.66},{"above_terrain":true,"airmass":1.09,"alt":66.8,"az":133.1,"t":"2039-09-19T01:05:00Z","terrain":-1.65},{"above_terrain":true,"airmass":1.08,"alt":67.47,"az":135.5,"t":"2039-09-19T01:10:00Z","terrain":-1.25},{"above_terrain":true,"airmass":1.08,"alt":68.12,"az":138.0,"t":"2039-09-19T01:15:00Z","terrain":-1.14},{"above_terrain":true,"airmass":1.07,"alt":68.73,"az":140.6,"t":"2039-09-19T01:20:00Z","terrain":-1.19},{"above_terrain":true,"airmass":1.07,"alt":69.3,"az":143.4,"t":"2039-09-19T01:25:00Z","terrain":-1.36},{"above_terrain":true,"airmass":1.06,"alt":69.84,"az":146.2,"t":"2039-09-19T01:30:00Z","terrain":-1.46},{"above_terrain":true,"airmass":1.06,"alt":70.34,"az":149.3,"t":"2039-09-19T01:35:00Z","terrain":-1.37},{"above_terrain":true,"airmass":1.06,"alt":70.8,"az":152.4,"t":"2039-09-19T01:40:00Z","terrain":-1.12},{"above_terrain":true,"airmass":1.06,"alt":71.21,"az":155.7,"t":"2039-09-19T01:45:00Z","terrain":-1.2},{"above_terrain":true,"airmass":1.05,"alt":71.57,"az":159.1,"t":"2039-09-19T01:50:00Z","terrain":-1.3},{"above_terrain":true,"airmass":1.05,"alt":71.88,"az":162.6,"t":"2039-09-19T01:55:00Z","terrain":-1.36},{"above_terrain":true,"airmass":1.05,"alt":72.13,"az":166.2,"t":"2039-09-19T02:00:00Z","terrain":-1.23},{"above_terrain":true,"airmass":1.05,"alt":72.32,"az":169.9,"t":"2039-09-19T02:05:00Z","terrain":-0.61},{"above_terrain":true,"airmass":1.05,"alt":72.45,"az":173.6,"t":"2039-09-19T02:10:00Z","terrain":-0.43},{"above_terrain":true,"airmass":1.05,"alt":72.53,"az":177.4,"t":"2039-09-19T02:15:00Z","terrain":-0.38},{"above_terrain":true,"airmass":1.05,"alt":72.54,"az":181.2,"t":"2039-09-19T02:20:00Z","terrain":-0.62},{"above_terrain":true,"airmass":1.05,"alt":72.49,"az":185.0,"t":"2039-09-19T02:25:00Z","terrain":-0.61},{"above_terrain":true,"airmass":1.05,"alt":72.37,"az":188.8,"t":"2039-09-19T02:30:00Z","terrain":-0.6},{"above_terrain":true,"airmass":1.05,"alt":72.2,"az":192.5,"t":"2039-09-19T02:35:00Z","terrain":-0.43},{"above_terrain":true,"airmass":1.05,"alt":71.97,"az":196.2,"t":"2039-09-19T02:40:00Z","terrain":-0.61},{"above_terrain":true,"airmass":1.05,"alt":71.68,"az":199.7,"t":"2039-09-19T02:45:00Z","terrain":-0.27},{"above_terrain":true,"airmass":1.06,"alt":71.34,"az":203.2,"t":"2039-09-19T02:50:00Z","terrain":-0.63},{"above_terrain":true,"airmass":1.06,"alt":70.94,"az":206.5,"t":"2039-09-19T02:55:00Z","terrain":0.16},{"above_terrain":true,"airmass":1.06,"alt":70.5,"az":209.7,"t":"2039-09-19T03:00:00Z","terrain":0.54},{"above_terrain":true,"airmass":1.06,"alt":70.02,"az":212.7,"t":"2039-09-19T03:05:00Z","terrain":0.48},{"above_terrain":true,"airmass":1.07,"alt":69.49,"az":215.7,"t":"2039-09-19T03:10:00Z","terrain":0.65},{"above_terrain":true,"airmass":1.07,"alt":68.93,"az":218.5,"t":"2039-09-19T03:15:00Z","terrain":1.26},{"above_terrain":true,"airmass":1.08,"alt":68.33,"az":221.1,"t":"2039-09-19T03:20:00Z","terrain":1.12},{"above_terrain":true,"airmass":1.08,"alt":67.7,"az":223.7,"t":"2039-09-19T03:25:00Z","terrain":0.43},{"above_terrain":true,"airmass":1.09,"alt":67.04,"az":226.1,"t":"2039-09-19T03:30:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.09,"alt":66.35,"az":228.4,"t":"2039-09-19T03:35:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.1,"alt":65.64,"az":230.6,"t":"2039-09-19T03:40:00Z","terrain":0.98},{"above_terrain":true,"airmass":1.1,"alt":64.9,"az":232.7,"t":"2039-09-19T03:45:00Z","terrain":0.83},{"above_terrain":true,"airmass":1.11,"alt":64.15,"az":234.7,"t":"2039-09-19T03:50:00Z","terrain":0.93},{"above_terrain":true,"airmass":1.12,"alt":63.38,"az":236.6,"t":"2039-09-19T03:55:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.13,"alt":62.59,"az":238.4,"t":"2039-09-19T04:00:00Z","terrain":0.67},{"above_terrain":true,"airmass":1.13,"alt":61.78,"az":240.2,"t":"2039-09-19T04:05:00Z","terrain":0.8},{"above_terrain":true,"airmass":1.14,"alt":60.96,"az":241.8,"t":"2039-09-19T04:10:00Z","terrain":0.99},{"above_terrain":true,"airmass":1.15,"alt":60.13,"az":243.4,"t":"2039-09-19T04:15:00Z","terrain":0.98},{"above_terrain":true,"airmass":1.16,"alt":59.29,"az":245.0,"t":"2039-09-19T04:20:00Z","terrain":0.99},{"above_terrain":true,"airmass":1.17,"alt":58.44,"az":246.4,"t":"2039-09-19T04:25:00Z","terrain":1.11},{"above_terrain":true,"airmass":1.18,"alt":57.57,"az":247.9,"t":"2039-09-19T04:30:00Z","terrain":0.65},{"above_terrain":true,"airmass":1.2,"alt":56.7,"az":249.2,"t":"2039-09-19T04:35:00Z","terrain":0.51},{"above_terrain":true,"airmass":1.21,"alt":55.82,"az":250.5,"t":"2039-09-19T04:40:00Z","terrain":0.57},{"above_terrain":true,"airmass":1.22,"alt":54.94,"az":251.8,"t":"2039-09-19T04:45:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.23,"alt":54.05,"az":253.0,"t":"2039-09-19T04:50:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.25,"alt":53.15,"az":254.2,"t":"2039-09-19T04:55:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.26,"alt":52.25,"az":255.4,"t":"2039-09-19T05:00:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.28,"alt":51.34,"az":256.5,"t":"2039-09-19T05:05:00Z","terrain":0.41},{"above_terrain":true,"airmass":1.3,"alt":50.43,"az":257.6,"t":"2039-09-19T05:10:00Z","terrain":0.39},{"above_terrain":true,"airmass":1.31,"alt":49.51,"az":258.7,"t":"2039-09-19T05:15:00Z","terrain":0.44},{"above_terrain":true,"airmass":1.33,"alt":48.59,"az":259.7,"t":"2039-09-19T05:20:00Z","terrain":0.54},{"above_terrain":true,"airmass":1.35,"alt":47.67,"az":260.7,"t":"2039-09-19T05:25:00Z","terrain":0.76},{"above_terrain":true,"airmass":1.37,"alt":46.74,"az":261.7,"t":"2039-09-19T05:30:00Z","terrain":0.94},{"above_terrain":true,"airmass":1.39,"alt":45.82,"az":262.7,"t":"2039-09-19T05:35:00Z","terrain":0.87},{"above_terrain":true,"airmass":1.42,"alt":44.89,"az":263.6,"t":"2039-09-19T05:40:00Z","terrain":0.63},{"above_terrain":true,"airmass":1.44,"alt":43.96,"az":264.5,"t":"2039-09-19T05:45:00Z","terrain":0.45},{"above_terrain":true,"airmass":1.46,"alt":43.02,"az":265.4,"t":"2039-09-19T05:50:00Z","terrain":0.43},{"above_terrain":true,"airmass":1.49,"alt":42.09,"az":266.3,"t":"2039-09-19T05:55:00Z","terrain":0.5},{"above_terrain":true,"airmass":1.52,"alt":41.15,"az":267.2,"t":"2039-09-19T06:00:00Z","terrain":0.59},{"above_terrain":true,"airmass":1.55,"alt":40.22,"az":268.1,"t":"2039-09-19T06:05:00Z","terrain":0.66},{"above_terrain":true,"airmass":1.58,"alt":39.28,"az":268.9,"t":"2039-09-19T06:10:00Z","terrain":0.74},{"above_terrain":true,"airmass":1.61,"alt":38.35,"az":269.8,"t":"2039-09-19T06:15:00Z","terrain":0.87},{"above_terrain":true,"airmass":1.64,"alt":37.41,"az":270.6,"t":"2039-09-19T06:20:00Z","terrain":0.83},{"above_terrain":true,"airmass":1.68,"alt":36.48,"az":271.4,"t":"2039-09-19T06:25:00Z","terrain":0.62},{"above_terrain":true,"airmass":1.72,"alt":35.54,"az":272.2,"t":"2039-09-19T06:30:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.76,"alt":34.61,"az":273.1,"t":"2039-09-19T06:35:00Z","terrain":0.13},{"above_terrain":true,"airmass":1.8,"alt":33.67,"az":273.8,"t":"2039-09-19T06:40:00Z","terrain":-0.0},{"above_terrain":true,"airmass":1.84,"alt":32.74,"az":274.6,"t":"2039-09-19T06:45:00Z","terrain":0.05},{"above_terrain":true,"airmass":1.89,"alt":31.81,"az":275.4,"t":"2039-09-19T06:50:00Z","terrain":0.05},{"above_terrain":true,"airmass":1.94,"alt":30.87,"az":276.2,"t":"2039-09-19T06:55:00Z","terrain":-0.04},{"above_terrain":true,"airmass":2.0,"alt":29.95,"az":277.0,"t":"2039-09-19T07:00:00Z","terrain":-0.14},{"above_terrain":true,"airmass":2.06,"alt":29.02,"az":277.7,"t":"2039-09-19T07:05:00Z","terrain":-0.1},{"above_terrain":true,"airmass":2.12,"alt":28.09,"az":278.5,"t":"2039-09-19T07:10:00Z","terrain":-0.05},{"above_terrain":true,"airmass":2.18,"alt":27.17,"az":279.3,"t":"2039-09-19T07:15:00Z","terrain":-0.05},{"above_terrain":true,"airmass":2.25,"alt":26.24,"az":280.0,"t":"2039-09-19T07:20:00Z","terrain":-0.13},{"above_terrain":true,"airmass":2.33,"alt":25.32,"az":280.8,"t":"2039-09-19T07:25:00Z","terrain":-0.01},{"above_terrain":true,"airmass":2.41,"alt":24.4,"az":281.5,"t":"2039-09-19T07:30:00Z","terrain":-0.05},{"above_terrain":true,"airmass":2.5,"alt":23.49,"az":282.3,"t":"2039-09-19T07:35:00Z","terrain":-0.1},{"above_terrain":true,"airmass":2.59,"alt":22.57,"az":283.0,"t":"2039-09-19T07:40:00Z","terrain":-0.01},{"above_terrain":true,"airmass":2.69,"alt":21.66,"az":283.7,"t":"2039-09-19T07:45:00Z","terrain":0.09},{"above_terrain":true,"airmass":2.8,"alt":20.76,"az":284.5,"t":"2039-09-19T07:50:00Z","terrain":0.17},{"above_terrain":true,"airmass":2.92,"alt":19.85,"az":285.2,"t":"2039-09-19T07:55:00Z","terrain":0.23},{"above_terrain":true,"airmass":3.05,"alt":18.95,"az":286.0,"t":"2039-09-19T08:00:00Z","terrain":0.22},{"above_terrain":true,"airmass":3.2,"alt":18.05,"az":286.7,"t":"2039-09-19T08:05:00Z","terrain":0.33},{"above_terrain":true,"airmass":3.36,"alt":17.16,"az":287.5,"t":"2039-09-19T08:10:00Z","terrain":0.27},{"above_terrain":true,"airmass":3.53,"alt":16.27,"az":288.2,"t":"2039-09-19T08:15:00Z","terrain":0.17},{"above_terrain":true,"airmass":3.72,"alt":15.38,"az":289.0,"t":"2039-09-19T08:20:00Z","terrain":0.18},{"above_terrain":true,"airmass":3.94,"alt":14.5,"az":289.7,"t":"2039-09-19T08:25:00Z","terrain":0.26},{"above_terrain":true,"airmass":4.18,"alt":13.62,"az":290.5,"t":"2039-09-19T08:30:00Z","terrain":0.39},{"above_terrain":true,"airmass":4.45,"alt":12.74,"az":291.2,"t":"2039-09-19T08:35:00Z","terrain":0.5},{"above_terrain":true,"airmass":4.76,"alt":11.87,"az":292.0,"t":"2039-09-19T08:40:00Z","terrain":0.55},{"above_terrain":true,"airmass":5.11,"alt":11.01,"az":292.8,"t":"2039-09-19T08:45:00Z","terrain":0.35},{"above_terrain":true,"airmass":5.51,"alt":10.15,"az":293.5,"t":"2039-09-19T08:50:00Z","terrain":0.26},{"above_terrain":true,"airmass":5.98,"alt":9.29,"az":294.3,"t":"2039-09-19T08:55:00Z","terrain":0.24},{"above_terrain":true,"airmass":6.53,"alt":8.44,"az":295.1,"t":"2039-09-19T09:00:00Z","terrain":0.24}],"transit":{"airmass":1.05,"alt":72.5,"az":181.2,"t":"2039-09-19T02:20:00Z"},"usable_hours":5.83,"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."]}