{"assessment":{"best_window":{"end":"2039-08-16T01:45Z","end_local":"04:45","hours":2.33,"label":"good","mean_quality":0.79,"start":"2039-08-15T23:25Z","start_local":"02:25"},"cost":{"altitude":4.86,"clouds":0.0,"darkness":1.39,"moon":0.13},"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 possible, with compromises \u2014 weather unknown","hourly":[{"alt":-21,"cloud":null,"high":null,"iso":"2039-08-15T18:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-23,"precip":null,"q":0.0,"rh":null,"sky":"nautical twilight","temp":null,"time":"21:00","wind":null},{"alt":-16,"cloud":null,"high":null,"iso":"2039-08-15T19:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-24,"precip":null,"q":0.0,"rh":null,"sky":"astronomical twilight","temp":null,"time":"22:00","wind":null},{"alt":-9,"cloud":null,"high":null,"iso":"2039-08-15T20:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-24,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":0,"cloud":null,"high":null,"iso":"2039-08-15T21:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-20,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":10,"cloud":null,"high":null,"iso":"2039-08-15T22:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-15,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":21,"cloud":null,"high":null,"iso":"2039-08-15T23:00Z","label":"marginal","low":null,"mid":null,"moon_alt":-7,"precip":null,"q":0.43,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":32,"cloud":null,"high":null,"iso":"2039-08-16T00:00Z","label":"good","low":null,"mid":null,"moon_alt":1,"precip":null,"q":0.77,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":43,"cloud":null,"high":null,"iso":"2039-08-16T01:00Z","label":"good","low":null,"mid":null,"moon_alt":11,"precip":null,"q":0.83,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":54,"cloud":null,"high":null,"iso":"2039-08-16T02:00Z","label":"marginal","low":null,"mid":null,"moon_alt":21,"precip":null,"q":0.44,"rh":null,"sky":"astronomical twilight","temp":null,"time":"05:00","wind":null},{"alt":64,"cloud":null,"high":null,"iso":"2039-08-16T03:00Z","label":"poor","low":null,"mid":null,"moon_alt":32,"precip":null,"q":0.14,"rh":null,"sky":"nautical twilight","temp":null,"time":"06:00","wind":null}],"peak_quality":0.87,"peak_sky":0.87,"quality_hours":2.44,"reasons":["the target being low or below 20\u00b0 cost 4.9 quality-hours","daylight and twilight cost 1.4 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":53,"score_weather":null,"sky_hours":2.44,"verdict":"unknown","verdict_astronomy":"marginal","weather_known":false,"windows":[{"end":"2039-08-15T23:00Z","end_local":"02:00","hours":5.67,"label":"unusable","mean_quality":0.0,"start":"2039-08-15T17:20Z","start_local":"20:20"},{"end":"2039-08-15T23:25Z","end_local":"02:25","hours":0.42,"label":"marginal","mean_quality":0.5,"start":"2039-08-15T23:00Z","start_local":"02:00"},{"end":"2039-08-16T01:45Z","end_local":"04:45","hours":2.33,"label":"good","mean_quality":0.79,"start":"2039-08-15T23:25Z","start_local":"02:25"},{"end":"2039-08-16T02:25Z","end_local":"05:25","hours":0.67,"label":"marginal","mean_quality":0.45,"start":"2039-08-16T01:45Z","start_local":"04:45"},{"end":"2039-08-16T03:05Z","end_local":"06:05","hours":0.67,"label":"poor","mean_quality":0.14,"start":"2039-08-16T02:25Z","start_local":"05:25"},{"end":"2039-08-16T03:35Z","end_local":"06:35","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2039-08-16T03:05Z","start_local":"06:05"}]},"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":"2039-08-15T19:06:43Z","dark_hours":6.63,"dark_to":"2039-08-16T01:44:43Z","moon":{"illumination":0.147,"phase":"waning crescent","waxing":false},"moon_free_dark_hours":4.73,"moonrise":"2039-08-15T23:51:31Z","moonset":"2039-08-15T14:31:56Z","sunrise":"2039-08-16T03:30:12Z","sunset":"2039-08-15T17:21:17Z","twilight":{"astronomical":{"end":"2039-08-15T19:06:43Z","start":"2039-08-16T01:44:43Z"},"civil":{"end":"2039-08-15T17:51:09Z","start":"2039-08-16T03:00:19Z"},"nautical":{"end":"2039-08-15T18:27:30Z","start":"2039-08-16T02:23:57Z"}},"window_end":"2039-08-16T09:00:00Z","window_start":"2039-08-15T09:00:00Z"},"night_date":"2039-08-15","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.3,"alt":50.4,"t":"2039-08-16T01:40:00Z"},"dec":24.11388889,"dec_of_date":24.2344,"dec_str":"+24\u00b0 06' 50.0\"","good_hours":1.83,"limit_rise":"2039-08-15T22:56:13Z","limit_set":"2039-08-15T10:11:47Z","max_az_rate_deg_per_min":0.76,"moon_separation":38.1,"never_rises":false,"ra":56.60083333,"ra_of_date":57.1914,"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":"Only 1.8 h above 30\u00b0, 2.8 h above 20\u00b0 \u2014 usable, at high airmass.","terrain":{"available":true,"behind_at":"2039-08-15T12:10:21Z","blocked_dark_hours":0,"clears_at":"2039-08-15T21:06:22Z","rise_az":274.2},"track":[{"above_terrain":true,"airmass":1.82,"alt":33.23,"az":274.2,"t":"2039-08-15T09:00:00Z","terrain":-0.0},{"above_terrain":true,"airmass":1.87,"alt":32.29,"az":275.0,"t":"2039-08-15T09:05:00Z","terrain":0.09},{"above_terrain":true,"airmass":1.92,"alt":31.36,"az":275.8,"t":"2039-08-15T09:10:00Z","terrain":0.01},{"above_terrain":true,"airmass":1.97,"alt":30.43,"az":276.6,"t":"2039-08-15T09:15:00Z","terrain":-0.08},{"above_terrain":true,"airmass":2.02,"alt":29.5,"az":277.3,"t":"2039-08-15T09:20:00Z","terrain":-0.12},{"above_terrain":true,"airmass":2.08,"alt":28.57,"az":278.1,"t":"2039-08-15T09:25:00Z","terrain":-0.07},{"above_terrain":true,"airmass":2.15,"alt":27.65,"az":278.9,"t":"2039-08-15T09:30:00Z","terrain":-0.03},{"above_terrain":true,"airmass":2.22,"alt":26.72,"az":279.6,"t":"2039-08-15T09:35:00Z","terrain":-0.09},{"above_terrain":true,"airmass":2.29,"alt":25.8,"az":280.4,"t":"2039-08-15T09:40:00Z","terrain":-0.07},{"above_terrain":true,"airmass":2.37,"alt":24.88,"az":281.1,"t":"2039-08-15T09:45:00Z","terrain":0.01},{"above_terrain":true,"airmass":2.45,"alt":23.97,"az":281.9,"t":"2039-08-15T09:50:00Z","terrain":-0.11},{"above_terrain":true,"airmass":2.54,"alt":23.05,"az":282.6,"t":"2039-08-15T09:55:00Z","terrain":-0.06},{"above_terrain":true,"airmass":2.64,"alt":22.14,"az":283.4,"t":"2039-08-15T10:00:00Z","terrain":0.04},{"above_terrain":true,"airmass":2.74,"alt":21.23,"az":284.1,"t":"2039-08-15T10:05:00Z","terrain":0.13},{"above_terrain":true,"airmass":2.86,"alt":20.32,"az":284.8,"t":"2039-08-15T10:10:00Z","terrain":0.21},{"above_terrain":true,"airmass":2.98,"alt":19.42,"az":285.6,"t":"2039-08-15T10:15:00Z","terrain":0.22},{"above_terrain":true,"airmass":3.12,"alt":18.52,"az":286.3,"t":"2039-08-15T10:20:00Z","terrain":0.27},{"above_terrain":true,"airmass":3.27,"alt":17.62,"az":287.1,"t":"2039-08-15T10:25:00Z","terrain":0.35},{"above_terrain":true,"airmass":3.44,"alt":16.73,"az":287.8,"t":"2039-08-15T10:30:00Z","terrain":0.2},{"above_terrain":true,"airmass":3.62,"alt":15.84,"az":288.6,"t":"2039-08-15T10:35:00Z","terrain":0.18},{"above_terrain":true,"airmass":3.82,"alt":14.96,"az":289.3,"t":"2039-08-15T10:40:00Z","terrain":0.22},{"above_terrain":true,"airmass":4.05,"alt":14.08,"az":290.1,"t":"2039-08-15T10:45:00Z","terrain":0.31},{"above_terrain":true,"airmass":4.3,"alt":13.2,"az":290.8,"t":"2039-08-15T10:50:00Z","terrain":0.46},{"above_terrain":true,"airmass":4.59,"alt":12.33,"az":291.6,"t":"2039-08-15T10:55:00Z","terrain":0.53},{"above_terrain":true,"airmass":4.92,"alt":11.46,"az":292.4,"t":"2039-08-15T11:00:00Z","terrain":0.45},{"above_terrain":true,"airmass":5.29,"alt":10.59,"az":293.1,"t":"2039-08-15T11:05:00Z","terrain":0.28},{"above_terrain":true,"airmass":5.73,"alt":9.74,"az":293.9,"t":"2039-08-15T11:10:00Z","terrain":0.25},{"above_terrain":true,"airmass":6.23,"alt":8.88,"az":294.7,"t":"2039-08-15T11:15:00Z","terrain":0.24},{"above_terrain":true,"airmass":6.83,"alt":8.04,"az":295.4,"t":"2039-08-15T11:20:00Z","terrain":0.27},{"above_terrain":true,"airmass":7.54,"alt":7.19,"az":296.2,"t":"2039-08-15T11:25:00Z","terrain":0.32},{"above_terrain":true,"airmass":8.41,"alt":6.36,"az":297.0,"t":"2039-08-15T11:30:00Z","terrain":0.26},{"above_terrain":true,"airmass":9.48,"alt":5.52,"az":297.8,"t":"2039-08-15T11:35:00Z","terrain":0.15},{"above_terrain":true,"airmass":10.84,"alt":4.7,"az":298.6,"t":"2039-08-15T11:40:00Z","terrain":0.15},{"above_terrain":true,"airmass":12.59,"alt":3.88,"az":299.4,"t":"2039-08-15T11:45:00Z","terrain":0.25},{"above_terrain":true,"airmass":14.91,"alt":3.07,"az":300.2,"t":"2039-08-15T11:50:00Z","terrain":0.36},{"above_terrain":true,"airmass":18.12,"alt":2.26,"az":301.0,"t":"2039-08-15T11:55:00Z","terrain":0.32},{"above_terrain":true,"airmass":22.69,"alt":1.46,"az":301.8,"t":"2039-08-15T12:00:00Z","terrain":0.13},{"above_terrain":true,"airmass":29.46,"alt":0.67,"az":302.6,"t":"2039-08-15T12:05:00Z","terrain":-0.12},{"above_terrain":true,"airmass":null,"alt":-0.11,"az":303.5,"t":"2039-08-15T12:10:00Z","terrain":-0.17},{"above_terrain":false,"airmass":null,"alt":-0.89,"az":304.3,"t":"2039-08-15T12:15:00Z","terrain":-0.16},{"above_terrain":false,"airmass":null,"alt":-1.66,"az":305.1,"t":"2039-08-15T12:20:00Z","terrain":-0.27},{"above_terrain":false,"airmass":null,"alt":-2.42,"az":306.0,"t":"2039-08-15T12:25:00Z","terrain":-0.17},{"above_terrain":false,"airmass":null,"alt":-3.17,"az":306.9,"t":"2039-08-15T12:30:00Z","terrain":0.13},{"above_terrain":false,"airmass":null,"alt":-3.92,"az":307.7,"t":"2039-08-15T12:35:00Z","terrain":0.28},{"above_terrain":false,"airmass":null,"alt":-4.65,"az":308.6,"t":"2039-08-15T12:40:00Z","terrain":0.23},{"above_terrain":false,"airmass":null,"alt":-5.38,"az":309.5,"t":"2039-08-15T12:45:00Z","terrain":0.19},{"above_terrain":false,"airmass":null,"alt":-6.1,"az":310.4,"t":"2039-08-15T12:50:00Z","terrain":0.27},{"above_terrain":false,"airmass":null,"alt":-6.81,"az":311.3,"t":"2039-08-15T12:55:00Z","terrain":0.3},{"above_terrain":false,"airmass":null,"alt":-7.5,"az":312.2,"t":"2039-08-15T13:00:00Z","terrain":0.17},{"above_terrain":false,"airmass":null,"alt":-8.19,"az":313.1,"t":"2039-08-15T13:05:00Z","terrain":0.3},{"above_terrain":false,"airmass":null,"alt":-8.87,"az":314.1,"t":"2039-08-15T13:10:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-9.54,"az":315.0,"t":"2039-08-15T13:15:00Z","terrain":0.56},{"above_terrain":false,"airmass":null,"alt":-10.19,"az":315.9,"t":"2039-08-15T13:20:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-10.84,"az":316.9,"t":"2039-08-15T13:25:00Z","terrain":0.32},{"above_terrain":false,"airmass":null,"alt":-11.47,"az":317.9,"t":"2039-08-15T13:30:00Z","terrain":0.33},{"above_terrain":false,"airmass":null,"alt":-12.09,"az":318.9,"t":"2039-08-15T13:35:00Z","terrain":-0.07},{"above_terrain":false,"airmass":null,"alt":-12.7,"az":319.8,"t":"2039-08-15T13:40:00Z","terrain":-0.19},{"above_terrain":false,"airmass":null,"alt":-13.3,"az":320.8,"t":"2039-08-15T13:45:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-13.89,"az":321.9,"t":"2039-08-15T13:50:00Z","terrain":0.15},{"above_terrain":false,"airmass":null,"alt":-14.46,"az":322.9,"t":"2039-08-15T13:55:00Z","terrain":0.1},{"above_terrain":false,"airmass":null,"alt":-15.02,"az":323.9,"t":"2039-08-15T14:00:00Z","terrain":-0.18},{"above_terrain":false,"airmass":null,"alt":-15.56,"az":324.9,"t":"2039-08-15T14:05:00Z","terrain":-0.19},{"above_terrain":false,"airmass":null,"alt":-16.09,"az":326.0,"t":"2039-08-15T14:10:00Z","terrain":-0.24},{"above_terrain":false,"airmass":null,"alt":-16.61,"az":327.1,"t":"2039-08-15T14:15:00Z","terrain":-0.38},{"above_terrain":false,"airmass":null,"alt":-17.11,"az":328.1,"t":"2039-08-15T14:20:00Z","terrain":-0.22},{"above_terrain":false,"airmass":null,"alt":-17.59,"az":329.2,"t":"2039-08-15T14:25:00Z","terrain":-0.18},{"above_terrain":false,"airmass":null,"alt":-18.07,"az":330.3,"t":"2039-08-15T14:30:00Z","terrain":-0.36},{"above_terrain":false,"airmass":null,"alt":-18.52,"az":331.4,"t":"2039-08-15T14:35:00Z","terrain":-0.29},{"above_terrain":false,"airmass":null,"alt":-18.96,"az":332.5,"t":"2039-08-15T14:40:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-19.38,"az":333.7,"t":"2039-08-15T14:45:00Z","terrain":-0.19},{"above_terrain":false,"airmass":null,"alt":-19.79,"az":334.8,"t":"2039-08-15T14:50:00Z","terrain":-0.51},{"above_terrain":false,"airmass":null,"alt":-20.18,"az":335.9,"t":"2039-08-15T14:55:00Z","terrain":-0.81},{"above_terrain":false,"airmass":null,"alt":-20.56,"az":337.1,"t":"2039-08-15T15:00:00Z","terrain":-0.71},{"above_terrain":false,"airmass":null,"alt":-20.91,"az":338.2,"t":"2039-08-15T15:05:00Z","terrain":-0.54},{"above_terrain":false,"airmass":null,"alt":-21.25,"az":339.4,"t":"2039-08-15T15:10:00Z","terrain":-0.66},{"above_terrain":false,"airmass":null,"alt":-21.57,"az":340.6,"t":"2039-08-15T15:15:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-21.87,"az":341.8,"t":"2039-08-15T15:20:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-22.15,"az":343.0,"t":"2039-08-15T15:25:00Z","terrain":-0.39},{"above_terrain":false,"airmass":null,"alt":-22.42,"az":344.2,"t":"2039-08-15T15:30:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-22.66,"az":345.4,"t":"2039-08-15T15:35:00Z","terrain":-0.46},{"above_terrain":false,"airmass":null,"alt":-22.89,"az":346.6,"t":"2039-08-15T15:40:00Z","terrain":-0.47},{"above_terrain":false,"airmass":null,"alt":-23.1,"az":347.8,"t":"2039-08-15T15:45:00Z","terrain":-0.19},{"above_terrain":false,"airmass":null,"alt":-23.29,"az":349.0,"t":"2039-08-15T15:50:00Z","terrain":0.01},{"above_terrain":false,"airmass":null,"alt":-23.45,"az":350.3,"t":"2039-08-15T15:55:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-23.6,"az":351.5,"t":"2039-08-15T16:00:00Z","terrain":0.21},{"above_terrain":false,"airmass":null,"alt":-23.73,"az":352.8,"t":"2039-08-15T16:05:00Z","terrain":0.44},{"above_terrain":false,"airmass":null,"alt":-23.84,"az":354.0,"t":"2039-08-15T16:10:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-23.93,"az":355.2,"t":"2039-08-15T16:15:00Z","terrain":0.65},{"above_terrain":false,"airmass":null,"alt":-23.99,"az":356.5,"t":"2039-08-15T16:20:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-24.04,"az":357.7,"t":"2039-08-15T16:25:00Z","terrain":0.65},{"above_terrain":false,"airmass":null,"alt":-24.07,"az":359.0,"t":"2039-08-15T16:30:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-24.07,"az":0.2,"t":"2039-08-15T16:35:00Z","terrain":0.47},{"above_terrain":false,"airmass":null,"alt":-24.06,"az":1.5,"t":"2039-08-15T16:40:00Z","terrain":0.24},{"above_terrain":false,"airmass":null,"alt":-24.02,"az":2.8,"t":"2039-08-15T16:45:00Z","terrain":-0.07},{"above_terrain":false,"airmass":null,"alt":-23.97,"az":4.0,"t":"2039-08-15T16:50:00Z","terrain":-0.28},{"above_terrain":false,"airmass":null,"alt":-23.89,"az":5.2,"t":"2039-08-15T16:55:00Z","terrain":-0.47},{"above_terrain":false,"airmass":null,"alt":-23.8,"az":6.5,"t":"2039-08-15T17:00:00Z","terrain":-0.5},{"above_terrain":false,"airmass":null,"alt":-23.68,"az":7.7,"t":"2039-08-15T17:05:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-23.54,"az":9.0,"t":"2039-08-15T17:10:00Z","terrain":-0.65},{"above_terrain":false,"airmass":null,"alt":-23.39,"az":10.2,"t":"2039-08-15T17:15:00Z","terrain":-0.56},{"above_terrain":false,"airmass":null,"alt":-23.21,"az":11.4,"t":"2039-08-15T17:20:00Z","terrain":-0.3},{"above_terrain":false,"airmass":null,"alt":-23.02,"az":12.7,"t":"2039-08-15T17:25:00Z","terrain":-0.11},{"above_terrain":false,"airmass":null,"alt":-22.8,"az":13.9,"t":"2039-08-15T17:30:00Z","terrain":0.07},{"above_terrain":false,"airmass":null,"alt":-22.57,"az":15.1,"t":"2039-08-15T17:35:00Z","terrain":0.42},{"above_terrain":false,"airmass":null,"alt":-22.32,"az":16.3,"t":"2039-08-15T17:40:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-22.04,"az":17.5,"t":"2039-08-15T17:45:00Z","terrain":0.5},{"above_terrain":false,"airmass":null,"alt":-21.75,"az":18.7,"t":"2039-08-15T17:50:00Z","terrain":0.59},{"above_terrain":false,"airmass":null,"alt":-21.44,"az":19.9,"t":"2039-08-15T17:55:00Z","terrain":0.66},{"above_terrain":false,"airmass":null,"alt":-21.12,"az":21.0,"t":"2039-08-15T18:00:00Z","terrain":0.7},{"above_terrain":false,"airmass":null,"alt":-20.77,"az":22.2,"t":"2039-08-15T18:05:00Z","terrain":1.03},{"above_terrain":false,"airmass":null,"alt":-20.41,"az":23.4,"t":"2039-08-15T18:10:00Z","terrain":1.07},{"above_terrain":false,"airmass":null,"alt":-20.03,"az":24.5,"t":"2039-08-15T18:15:00Z","terrain":1.08},{"above_terrain":false,"airmass":null,"alt":-19.63,"az":25.7,"t":"2039-08-15T18:20:00Z","terrain":1.3},{"above_terrain":false,"airmass":null,"alt":-19.22,"az":26.8,"t":"2039-08-15T18:25:00Z","terrain":1.29},{"above_terrain":false,"airmass":null,"alt":-18.79,"az":27.9,"t":"2039-08-15T18:30:00Z","terrain":1.2},{"above_terrain":false,"airmass":null,"alt":-18.34,"az":29.0,"t":"2039-08-15T18:35:00Z","terrain":1.0},{"above_terrain":false,"airmass":null,"alt":-17.88,"az":30.1,"t":"2039-08-15T18:40:00Z","terrain":1.17},{"above_terrain":false,"airmass":null,"alt":-17.4,"az":31.2,"t":"2039-08-15T18:45:00Z","terrain":1.31},{"above_terrain":false,"airmass":null,"alt":-16.91,"az":32.3,"t":"2039-08-15T18:50:00Z","terrain":1.23},{"above_terrain":false,"airmass":null,"alt":-16.4,"az":33.4,"t":"2039-08-15T18:55:00Z","terrain":0.79},{"above_terrain":false,"airmass":null,"alt":-15.88,"az":34.4,"t":"2039-08-15T19:00:00Z","terrain":0.27},{"above_terrain":false,"airmass":null,"alt":-15.34,"az":35.5,"t":"2039-08-15T19:05:00Z","terrain":0.04},{"above_terrain":false,"airmass":null,"alt":-14.79,"az":36.5,"t":"2039-08-15T19:10:00Z","terrain":-0.03},{"above_terrain":false,"airmass":null,"alt":-14.23,"az":37.5,"t":"2039-08-15T19:15:00Z","terrain":-0.15},{"above_terrain":false,"airmass":null,"alt":-13.65,"az":38.5,"t":"2039-08-15T19:20:00Z","terrain":-0.18},{"above_terrain":false,"airmass":null,"alt":-13.06,"az":39.6,"t":"2039-08-15T19:25:00Z","terrain":-0.1},{"above_terrain":false,"airmass":null,"alt":-12.46,"az":40.6,"t":"2039-08-15T19:30:00Z","terrain":-0.01},{"above_terrain":false,"airmass":null,"alt":-11.85,"az":41.5,"t":"2039-08-15T19:35:00Z","terrain":0.07},{"above_terrain":false,"airmass":null,"alt":-11.22,"az":42.5,"t":"2039-08-15T19:40:00Z","terrain":0.19},{"above_terrain":false,"airmass":null,"alt":-10.58,"az":43.5,"t":"2039-08-15T19:45:00Z","terrain":0.33},{"above_terrain":false,"airmass":null,"alt":-9.93,"az":44.4,"t":"2039-08-15T19:50:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-9.27,"az":45.4,"t":"2039-08-15T19:55:00Z","terrain":0.61},{"above_terrain":false,"airmass":null,"alt":-8.6,"az":46.3,"t":"2039-08-15T20:00:00Z","terrain":0.65},{"above_terrain":false,"airmass":null,"alt":-7.92,"az":47.2,"t":"2039-08-15T20:05:00Z","terrain":0.59},{"above_terrain":false,"airmass":null,"alt":-7.23,"az":48.2,"t":"2039-08-15T20:10:00Z","terrain":0.51},{"above_terrain":false,"airmass":null,"alt":-6.52,"az":49.1,"t":"2039-08-15T20:15:00Z","terrain":0.41},{"above_terrain":false,"airmass":null,"alt":-5.81,"az":50.0,"t":"2039-08-15T20:20:00Z","terrain":0.4},{"above_terrain":false,"airmass":null,"alt":-5.09,"az":50.9,"t":"2039-08-15T20:25:00Z","terrain":0.51},{"above_terrain":false,"airmass":null,"alt":-4.36,"az":51.7,"t":"2039-08-15T20:30:00Z","terrain":0.6},{"above_terrain":false,"airmass":null,"alt":-3.62,"az":52.6,"t":"2039-08-15T20:35:00Z","terrain":0.76},{"above_terrain":false,"airmass":null,"alt":-2.87,"az":53.5,"t":"2039-08-15T20:40:00Z","terrain":0.92},{"above_terrain":false,"airmass":null,"alt":-2.12,"az":54.3,"t":"2039-08-15T20:45:00Z","terrain":1.03},{"above_terrain":false,"airmass":null,"alt":-1.35,"az":55.2,"t":"2039-08-15T20:50:00Z","terrain":1.07},{"above_terrain":false,"airmass":null,"alt":-0.58,"az":56.0,"t":"2039-08-15T20:55:00Z","terrain":1.05},{"above_terrain":false,"airmass":35.09,"alt":0.2,"az":56.9,"t":"2039-08-15T21:00:00Z","terrain":1.07},{"above_terrain":false,"airmass":26.43,"alt":0.99,"az":57.7,"t":"2039-08-15T21:05:00Z","terrain":1.19},{"above_terrain":true,"airmass":20.66,"alt":1.78,"az":58.5,"t":"2039-08-15T21:10:00Z","terrain":1.23},{"above_terrain":true,"airmass":16.71,"alt":2.58,"az":59.3,"t":"2039-08-15T21:15:00Z","terrain":1.2},{"above_terrain":true,"airmass":13.9,"alt":3.39,"az":60.1,"t":"2039-08-15T21:20:00Z","terrain":1.16},{"above_terrain":true,"airmass":11.83,"alt":4.21,"az":60.9,"t":"2039-08-15T21:25:00Z","terrain":1.09},{"above_terrain":true,"airmass":10.26,"alt":5.03,"az":61.7,"t":"2039-08-15T21:30:00Z","terrain":1.03},{"above_terrain":true,"airmass":9.03,"alt":5.86,"az":62.5,"t":"2039-08-15T21:35:00Z","terrain":0.96},{"above_terrain":true,"airmass":8.04,"alt":6.69,"az":63.3,"t":"2039-08-15T21:40:00Z","terrain":0.87},{"above_terrain":true,"airmass":7.24,"alt":7.53,"az":64.1,"t":"2039-08-15T21:45:00Z","terrain":0.77},{"above_terrain":true,"airmass":6.58,"alt":8.37,"az":64.9,"t":"2039-08-15T21:50:00Z","terrain":0.77},{"above_terrain":true,"airmass":6.02,"alt":9.22,"az":65.7,"t":"2039-08-15T21:55:00Z","terrain":0.81},{"above_terrain":true,"airmass":5.55,"alt":10.08,"az":66.4,"t":"2039-08-15T22:00:00Z","terrain":0.87},{"above_terrain":true,"airmass":5.14,"alt":10.94,"az":67.2,"t":"2039-08-15T22:05:00Z","terrain":0.94},{"above_terrain":true,"airmass":4.78,"alt":11.8,"az":67.9,"t":"2039-08-15T22:10:00Z","terrain":0.99},{"above_terrain":true,"airmass":4.47,"alt":12.67,"az":68.7,"t":"2039-08-15T22:15:00Z","terrain":1.03},{"above_terrain":true,"airmass":4.2,"alt":13.55,"az":69.5,"t":"2039-08-15T22:20:00Z","terrain":1.13},{"above_terrain":true,"airmass":3.96,"alt":14.43,"az":70.2,"t":"2039-08-15T22:25:00Z","terrain":1.23},{"above_terrain":true,"airmass":3.74,"alt":15.31,"az":71.0,"t":"2039-08-15T22:30:00Z","terrain":1.26},{"above_terrain":true,"airmass":3.55,"alt":16.2,"az":71.7,"t":"2039-08-15T22:35:00Z","terrain":1.22},{"above_terrain":true,"airmass":3.37,"alt":17.09,"az":72.5,"t":"2039-08-15T22:40:00Z","terrain":1.1},{"above_terrain":true,"airmass":3.21,"alt":17.98,"az":73.2,"t":"2039-08-15T22:45:00Z","terrain":0.94},{"above_terrain":true,"airmass":3.07,"alt":18.88,"az":74.0,"t":"2039-08-15T22:50:00Z","terrain":0.74},{"above_terrain":true,"airmass":2.93,"alt":19.78,"az":74.7,"t":"2039-08-15T22:55:00Z","terrain":0.66},{"above_terrain":true,"airmass":2.81,"alt":20.68,"az":75.4,"t":"2039-08-15T23:00:00Z","terrain":0.67},{"above_terrain":true,"airmass":2.7,"alt":21.59,"az":76.2,"t":"2039-08-15T23:05:00Z","terrain":0.72},{"above_terrain":true,"airmass":2.6,"alt":22.5,"az":76.9,"t":"2039-08-15T23:10:00Z","terrain":0.7},{"above_terrain":true,"airmass":2.5,"alt":23.41,"az":77.7,"t":"2039-08-15T23:15:00Z","terrain":0.65},{"above_terrain":true,"airmass":2.42,"alt":24.33,"az":78.4,"t":"2039-08-15T23:20:00Z","terrain":0.6},{"above_terrain":true,"airmass":2.33,"alt":25.25,"az":79.2,"t":"2039-08-15T23:25:00Z","terrain":0.55},{"above_terrain":true,"airmass":2.26,"alt":26.17,"az":79.9,"t":"2039-08-15T23:30:00Z","terrain":0.47},{"above_terrain":true,"airmass":2.19,"alt":27.09,"az":80.7,"t":"2039-08-15T23:35:00Z","terrain":0.61},{"above_terrain":true,"airmass":2.12,"alt":28.02,"az":81.4,"t":"2039-08-15T23:40:00Z","terrain":0.73},{"above_terrain":true,"airmass":2.06,"alt":28.94,"az":82.2,"t":"2039-08-15T23:45:00Z","terrain":0.73},{"above_terrain":true,"airmass":2.0,"alt":29.87,"az":83.0,"t":"2039-08-15T23:50:00Z","terrain":0.48},{"above_terrain":true,"airmass":1.95,"alt":30.8,"az":83.7,"t":"2039-08-15T23:55:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.9,"alt":31.73,"az":84.5,"t":"2039-08-16T00:00:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.85,"alt":32.66,"az":85.3,"t":"2039-08-16T00:05:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.8,"alt":33.6,"az":86.1,"t":"2039-08-16T00:10:00Z","terrain":0.16},{"above_terrain":true,"airmass":1.76,"alt":34.53,"az":86.9,"t":"2039-08-16T00:15:00Z","terrain":0.08},{"above_terrain":true,"airmass":1.72,"alt":35.47,"az":87.7,"t":"2039-08-16T00:20:00Z","terrain":-0.03},{"above_terrain":true,"airmass":1.68,"alt":36.4,"az":88.5,"t":"2039-08-16T00:25:00Z","terrain":-0.13},{"above_terrain":true,"airmass":1.65,"alt":37.34,"az":89.3,"t":"2039-08-16T00:30:00Z","terrain":-0.21},{"above_terrain":true,"airmass":1.61,"alt":38.27,"az":90.1,"t":"2039-08-16T00:35:00Z","terrain":-0.2},{"above_terrain":true,"airmass":1.58,"alt":39.21,"az":91.0,"t":"2039-08-16T00:40:00Z","terrain":-0.09},{"above_terrain":true,"airmass":1.55,"alt":40.14,"az":91.8,"t":"2039-08-16T00:45:00Z","terrain":0.07},{"above_terrain":true,"airmass":1.52,"alt":41.08,"az":92.7,"t":"2039-08-16T00:50:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.49,"alt":42.01,"az":93.6,"t":"2039-08-16T00:55:00Z","terrain":0.38},{"above_terrain":true,"airmass":1.47,"alt":42.95,"az":94.5,"t":"2039-08-16T01:00:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.44,"alt":43.88,"az":95.4,"t":"2039-08-16T01:05:00Z","terrain":0.45},{"above_terrain":true,"airmass":1.42,"alt":44.81,"az":96.3,"t":"2039-08-16T01:10:00Z","terrain":0.61},{"above_terrain":true,"airmass":1.39,"alt":45.74,"az":97.3,"t":"2039-08-16T01:15:00Z","terrain":0.72},{"above_terrain":true,"airmass":1.37,"alt":46.67,"az":98.2,"t":"2039-08-16T01:20:00Z","terrain":0.63},{"above_terrain":true,"airmass":1.35,"alt":47.59,"az":99.2,"t":"2039-08-16T01:25:00Z","terrain":0.43},{"above_terrain":true,"airmass":1.33,"alt":48.52,"az":100.2,"t":"2039-08-16T01:30:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.32,"alt":49.44,"az":101.3,"t":"2039-08-16T01:35:00Z","terrain":0.05},{"above_terrain":true,"airmass":1.3,"alt":50.35,"az":102.3,"t":"2039-08-16T01:40:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.28,"alt":51.26,"az":103.4,"t":"2039-08-16T01:45:00Z","terrain":-0.13},{"above_terrain":true,"airmass":1.27,"alt":52.17,"az":104.5,"t":"2039-08-16T01:50:00Z","terrain":-0.11},{"above_terrain":true,"airmass":1.25,"alt":53.08,"az":105.7,"t":"2039-08-16T01:55:00Z","terrain":-0.5},{"above_terrain":true,"airmass":1.24,"alt":53.97,"az":106.9,"t":"2039-08-16T02:00:00Z","terrain":-0.61},{"above_terrain":true,"airmass":1.22,"alt":54.87,"az":108.1,"t":"2039-08-16T02:05:00Z","terrain":-0.96},{"above_terrain":true,"airmass":1.21,"alt":55.75,"az":109.4,"t":"2039-08-16T02:10:00Z","terrain":-1.18},{"above_terrain":true,"airmass":1.2,"alt":56.63,"az":110.7,"t":"2039-08-16T02:15:00Z","terrain":-1.27},{"above_terrain":true,"airmass":1.18,"alt":57.5,"az":112.0,"t":"2039-08-16T02:20:00Z","terrain":-1.38},{"above_terrain":true,"airmass":1.17,"alt":58.37,"az":113.5,"t":"2039-08-16T02:25:00Z","terrain":-1.52},{"above_terrain":true,"airmass":1.16,"alt":59.22,"az":114.9,"t":"2039-08-16T02:30:00Z","terrain":-1.52},{"above_terrain":true,"airmass":1.15,"alt":60.07,"az":116.4,"t":"2039-08-16T02:35:00Z","terrain":-1.54},{"above_terrain":true,"airmass":1.14,"alt":60.9,"az":118.0,"t":"2039-08-16T02:40:00Z","terrain":-1.42},{"above_terrain":true,"airmass":1.13,"alt":61.72,"az":119.7,"t":"2039-08-16T02:45:00Z","terrain":-1.31},{"above_terrain":true,"airmass":1.13,"alt":62.52,"az":121.4,"t":"2039-08-16T02:50:00Z","terrain":-1.22},{"above_terrain":true,"airmass":1.12,"alt":63.31,"az":123.2,"t":"2039-08-16T02:55:00Z","terrain":-1.41},{"above_terrain":true,"airmass":1.11,"alt":64.09,"az":125.1,"t":"2039-08-16T03:00:00Z","terrain":-1.63},{"above_terrain":true,"airmass":1.1,"alt":64.84,"az":127.1,"t":"2039-08-16T03:05:00Z","terrain":-1.52},{"above_terrain":true,"airmass":1.1,"alt":65.58,"az":129.2,"t":"2039-08-16T03:10:00Z","terrain":-1.23},{"above_terrain":true,"airmass":1.09,"alt":66.29,"az":131.4,"t":"2039-08-16T03:15:00Z","terrain":-1.67},{"above_terrain":true,"airmass":1.09,"alt":66.98,"az":133.7,"t":"2039-08-16T03:20:00Z","terrain":-1.58},{"above_terrain":true,"airmass":1.08,"alt":67.65,"az":136.1,"t":"2039-08-16T03:25:00Z","terrain":-1.19},{"above_terrain":true,"airmass":1.08,"alt":68.28,"az":138.7,"t":"2039-08-16T03:30:00Z","terrain":-1.26},{"above_terrain":true,"airmass":1.07,"alt":68.88,"az":141.3,"t":"2039-08-16T03:35:00Z","terrain":-1.17},{"above_terrain":true,"airmass":1.07,"alt":69.45,"az":144.1,"t":"2039-08-16T03:40:00Z","terrain":-1.35},{"above_terrain":true,"airmass":1.06,"alt":69.98,"az":147.0,"t":"2039-08-16T03:45:00Z","terrain":-1.3},{"above_terrain":true,"airmass":1.06,"alt":70.47,"az":150.1,"t":"2039-08-16T03:50:00Z","terrain":-1.18},{"above_terrain":true,"airmass":1.06,"alt":70.91,"az":153.3,"t":"2039-08-16T03:55:00Z","terrain":-0.95},{"above_terrain":true,"airmass":1.06,"alt":71.31,"az":156.6,"t":"2039-08-16T04:00:00Z","terrain":-1.16},{"above_terrain":true,"airmass":1.05,"alt":71.65,"az":160.0,"t":"2039-08-16T04:05:00Z","terrain":-0.91},{"above_terrain":true,"airmass":1.05,"alt":71.95,"az":163.5,"t":"2039-08-16T04:10:00Z","terrain":-1.45},{"above_terrain":true,"airmass":1.05,"alt":72.18,"az":167.2,"t":"2039-08-16T04:15:00Z","terrain":-1.13},{"above_terrain":true,"airmass":1.05,"alt":72.36,"az":170.9,"t":"2039-08-16T04:20:00Z","terrain":-0.64},{"above_terrain":true,"airmass":1.05,"alt":72.48,"az":174.6,"t":"2039-08-16T04:25:00Z","terrain":-0.43},{"above_terrain":true,"airmass":1.05,"alt":72.54,"az":178.4,"t":"2039-08-16T04:30:00Z","terrain":-0.4},{"above_terrain":true,"airmass":1.05,"alt":72.53,"az":182.3,"t":"2039-08-16T04:35:00Z","terrain":-0.66},{"above_terrain":true,"airmass":1.05,"alt":72.46,"az":186.0,"t":"2039-08-16T04:40:00Z","terrain":-0.72},{"above_terrain":true,"airmass":1.05,"alt":72.33,"az":189.8,"t":"2039-08-16T04:45:00Z","terrain":-0.57},{"above_terrain":true,"airmass":1.05,"alt":72.14,"az":193.5,"t":"2039-08-16T04:50:00Z","terrain":-0.47},{"above_terrain":true,"airmass":1.05,"alt":71.9,"az":197.1,"t":"2039-08-16T04:55:00Z","terrain":-0.42},{"above_terrain":true,"airmass":1.05,"alt":71.59,"az":200.6,"t":"2039-08-16T05:00:00Z","terrain":-0.42},{"above_terrain":true,"airmass":1.06,"alt":71.24,"az":204.0,"t":"2039-08-16T05:05:00Z","terrain":-0.54},{"above_terrain":true,"airmass":1.06,"alt":70.83,"az":207.3,"t":"2039-08-16T05:10:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.06,"alt":70.38,"az":210.5,"t":"2039-08-16T05:15:00Z","terrain":0.74},{"above_terrain":true,"airmass":1.06,"alt":69.88,"az":213.5,"t":"2039-08-16T05:20:00Z","terrain":0.59},{"above_terrain":true,"airmass":1.07,"alt":69.35,"az":216.4,"t":"2039-08-16T05:25:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.07,"alt":68.77,"az":219.2,"t":"2039-08-16T05:30:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.08,"alt":68.17,"az":221.8,"t":"2039-08-16T05:35:00Z","terrain":1.08},{"above_terrain":true,"airmass":1.08,"alt":67.53,"az":224.3,"t":"2039-08-16T05:40:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.09,"alt":66.86,"az":226.7,"t":"2039-08-16T05:45:00Z","terrain":0.89},{"above_terrain":true,"airmass":1.09,"alt":66.16,"az":229.0,"t":"2039-08-16T05:50:00Z","terrain":1.31},{"above_terrain":true,"airmass":1.1,"alt":65.45,"az":231.2,"t":"2039-08-16T05:55:00Z","terrain":0.88},{"above_terrain":true,"airmass":1.11,"alt":64.71,"az":233.2,"t":"2039-08-16T06:00:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.11,"alt":63.95,"az":235.2,"t":"2039-08-16T06:05:00Z","terrain":0.94},{"above_terrain":true,"airmass":1.12,"alt":63.17,"az":237.1,"t":"2039-08-16T06:10:00Z","terrain":0.83},{"above_terrain":true,"airmass":1.13,"alt":62.38,"az":238.9,"t":"2039-08-16T06:15:00Z","terrain":0.53},{"above_terrain":true,"airmass":1.14,"alt":61.57,"az":240.6,"t":"2039-08-16T06:20:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.15,"alt":60.74,"az":242.3,"t":"2039-08-16T06:25:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.16,"alt":59.91,"az":243.8,"t":"2039-08-16T06:30:00Z","terrain":0.95},{"above_terrain":true,"airmass":1.17,"alt":59.06,"az":245.4,"t":"2039-08-16T06:35:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.18,"alt":58.21,"az":246.8,"t":"2039-08-16T06:40:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.19,"alt":57.34,"az":248.2,"t":"2039-08-16T06:45:00Z","terrain":0.56},{"above_terrain":true,"airmass":1.2,"alt":56.47,"az":249.6,"t":"2039-08-16T06:50:00Z","terrain":0.55},{"above_terrain":true,"airmass":1.21,"alt":55.59,"az":250.9,"t":"2039-08-16T06:55:00Z","terrain":0.56},{"above_terrain":true,"airmass":1.22,"alt":54.7,"az":252.1,"t":"2039-08-16T07:00:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.24,"alt":53.81,"az":253.4,"t":"2039-08-16T07:05:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.25,"alt":52.91,"az":254.5,"t":"2039-08-16T07:10:00Z","terrain":0.21},{"above_terrain":true,"airmass":1.27,"alt":52.01,"az":255.7,"t":"2039-08-16T07:15:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.28,"alt":51.1,"az":256.8,"t":"2039-08-16T07:20:00Z","terrain":0.42},{"above_terrain":true,"airmass":1.3,"alt":50.18,"az":257.9,"t":"2039-08-16T07:25:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.32,"alt":49.27,"az":258.9,"t":"2039-08-16T07:30:00Z","terrain":0.47},{"above_terrain":true,"airmass":1.34,"alt":48.35,"az":260.0,"t":"2039-08-16T07:35:00Z","terrain":0.56},{"above_terrain":true,"airmass":1.36,"alt":47.42,"az":261.0,"t":"2039-08-16T07:40:00Z","terrain":0.83},{"above_terrain":true,"airmass":1.38,"alt":46.5,"az":262.0,"t":"2039-08-16T07:45:00Z","terrain":0.97},{"above_terrain":true,"airmass":1.4,"alt":45.57,"az":262.9,"t":"2039-08-16T07:50:00Z","terrain":0.83},{"above_terrain":true,"airmass":1.42,"alt":44.64,"az":263.9,"t":"2039-08-16T07:55:00Z","terrain":0.56},{"above_terrain":true,"airmass":1.45,"alt":43.71,"az":264.8,"t":"2039-08-16T08:00:00Z","terrain":0.42},{"above_terrain":true,"airmass":1.47,"alt":42.78,"az":265.7,"t":"2039-08-16T08:05:00Z","terrain":0.44},{"above_terrain":true,"airmass":1.5,"alt":41.84,"az":266.6,"t":"2039-08-16T08:10:00Z","terrain":0.53},{"above_terrain":true,"airmass":1.52,"alt":40.91,"az":267.5,"t":"2039-08-16T08:15:00Z","terrain":0.61},{"above_terrain":true,"airmass":1.55,"alt":39.97,"az":268.3,"t":"2039-08-16T08:20:00Z","terrain":0.68},{"above_terrain":true,"airmass":1.59,"alt":39.04,"az":269.2,"t":"2039-08-16T08:25:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.62,"alt":38.1,"az":270.0,"t":"2039-08-16T08:30:00Z","terrain":0.9},{"above_terrain":true,"airmass":1.65,"alt":37.16,"az":270.8,"t":"2039-08-16T08:35:00Z","terrain":0.8},{"above_terrain":true,"airmass":1.69,"alt":36.23,"az":271.7,"t":"2039-08-16T08:40:00Z","terrain":0.55},{"above_terrain":true,"airmass":1.73,"alt":35.29,"az":272.5,"t":"2039-08-16T08:45:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.77,"alt":34.36,"az":273.3,"t":"2039-08-16T08:50:00Z","terrain":0.1},{"above_terrain":true,"airmass":1.81,"alt":33.42,"az":274.1,"t":"2039-08-16T08:55:00Z","terrain":-0.02},{"above_terrain":true,"airmass":1.86,"alt":32.49,"az":274.8,"t":"2039-08-16T09:00:00Z","terrain":0.07}],"transit":{"airmass":1.05,"alt":72.5,"az":178.4,"t":"2039-08-16T04:30:00Z"},"usable_hours":2.75,"verdict":"marginal","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."]}