{"assessment":{"best_window":{"end":"2039-08-31T02:10Z","end_local":"05:10","hours":5.92,"label":"good","mean_quality":0.82,"start":"2039-08-30T20:15Z","start_local":"23:15"},"cost":{"altitude":1.78,"clouds":0.0,"darkness":1.29,"moon":0.86},"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":-2,"cloud":null,"high":null,"iso":"2039-08-30T17:00Z","label":"unusable","low":null,"mid":null,"moon_alt":13,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"20:00","wind":null},{"alt":7,"cloud":null,"high":null,"iso":"2039-08-30T18:00Z","label":"unusable","low":null,"mid":null,"moon_alt":19,"precip":null,"q":0.0,"rh":null,"sky":"nautical twilight","temp":null,"time":"21:00","wind":null},{"alt":16,"cloud":null,"high":null,"iso":"2039-08-30T19:00Z","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":27,"cloud":null,"high":null,"iso":"2039-08-30T20:00Z","label":"marginal","low":null,"mid":null,"moon_alt":24,"precip":null,"q":0.52,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":37,"cloud":null,"high":null,"iso":"2039-08-30T21:00Z","label":"good","low":null,"mid":null,"moon_alt":22,"precip":null,"q":0.67,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":49,"cloud":null,"high":null,"iso":"2039-08-30T22:00Z","label":"good","low":null,"mid":null,"moon_alt":18,"precip":null,"q":0.74,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":60,"cloud":null,"high":null,"iso":"2039-08-30T23:00Z","label":"good","low":null,"mid":null,"moon_alt":12,"precip":null,"q":0.81,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":70,"cloud":null,"high":null,"iso":"2039-08-31T00:00Z","label":"good","low":null,"mid":null,"moon_alt":4,"precip":null,"q":0.84,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":78,"cloud":null,"high":null,"iso":"2039-08-31T01:00Z","label":"good","low":null,"mid":null,"moon_alt":-5,"precip":null,"q":1.0,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":77,"cloud":null,"high":null,"iso":"2039-08-31T02:00Z","label":"good","low":null,"mid":null,"moon_alt":-15,"precip":null,"q":1.0,"rh":null,"sky":"night","temp":null,"time":"05:00","wind":null},{"alt":67,"cloud":null,"high":null,"iso":"2039-08-31T03:00Z","label":"poor","low":null,"mid":null,"moon_alt":-25,"precip":null,"q":0.15,"rh":null,"sky":"nautical twilight","temp":null,"time":"06:00","wind":null}],"peak_quality":1.0,"peak_sky":1.0,"quality_hours":5.62,"reasons":["the target being low or below 20\u00b0 cost 1.8 quality-hours","daylight and twilight cost 1.3 quality-hours","moonlight cost 0.9 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":100,"score_weather":null,"sky_hours":5.62,"verdict":"unknown","verdict_astronomy":"good","weather_known":false,"windows":[{"end":"2039-08-30T19:25Z","end_local":"22:25","hours":2.5,"label":"unusable","mean_quality":0.0,"start":"2039-08-30T16:55Z","start_local":"19:55"},{"end":"2039-08-30T20:15Z","end_local":"23:15","hours":0.83,"label":"marginal","mean_quality":0.45,"start":"2039-08-30T19:25Z","start_local":"22:25"},{"end":"2039-08-31T02:10Z","end_local":"05:10","hours":5.92,"label":"good","mean_quality":0.82,"start":"2039-08-30T20:15Z","start_local":"23:15"},{"end":"2039-08-31T02:45Z","end_local":"05:45","hours":0.58,"label":"marginal","mean_quality":0.5,"start":"2039-08-31T02:10Z","start_local":"05:10"},{"end":"2039-08-31T03:20Z","end_local":"06:20","hours":0.58,"label":"poor","mean_quality":0.15,"start":"2039-08-31T02:45Z","start_local":"05:45"},{"end":"2039-08-31T03:50Z","end_local":"06:50","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2039-08-31T03:20Z","start_local":"06:20"}]},"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":"2039-08-30T18:37:08Z","dark_hours":7.49,"dark_to":"2039-08-31T02:06:34Z","moon":{"illumination":0.896,"phase":"waxing gibbous","waxing":true},"moon_free_dark_hours":1.68,"moonrise":"2039-08-30T15:19:39Z","moonset":"2039-08-31T00:24:33Z","sunrise":"2039-08-31T03:45:36Z","sunset":"2039-08-30T16:58:10Z","twilight":{"astronomical":{"end":"2039-08-30T18:37:08Z","start":"2039-08-31T02:06:34Z"},"civil":{"end":"2039-08-30T17:26:49Z","start":"2039-08-31T03:16:56Z"},"nautical":{"end":"2039-08-30T18:01:06Z","start":"2039-08-31T02:42:37Z"}},"window_end":"2039-08-31T09:00:00Z","window_start":"2039-08-30T09:00:00Z"},"night_date":"2039-08-30","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.02,"alt":79.2,"t":"2039-08-31T01:20:00Z"},"dec":30.66017511,"dec_of_date":30.8623,"dec_str":"+30\u00b0 39' 36.6\"","good_hours":5.83,"limit_rise":"2039-08-30T19:22:01Z","limit_set":"2039-08-31T07:19:28Z","max_az_rate_deg_per_min":1.14,"moon_separation":94.3,"never_rises":false,"ra":23.46206906,"ra_of_date":24.0232,"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":"5.8 dark hours above 30\u00b0 \u2014 a proper target for this night.","terrain":{"available":true,"behind_at":"2039-08-30T09:29:56Z","blocked_dark_hours":0,"clears_at":"2039-08-30T17:17:41Z","rise_az":308.2},"track":[{"above_terrain":true,"airmass":11.16,"alt":4.53,"az":308.2,"t":"2039-08-30T09:00:00Z","terrain":0.29},{"above_terrain":true,"airmass":12.78,"alt":3.8,"az":309.0,"t":"2039-08-30T09:05:00Z","terrain":0.17},{"above_terrain":true,"airmass":14.88,"alt":3.08,"az":309.8,"t":"2039-08-30T09:10:00Z","terrain":0.21},{"above_terrain":true,"airmass":17.65,"alt":2.36,"az":310.6,"t":"2039-08-30T09:15:00Z","terrain":0.3},{"above_terrain":true,"airmass":21.41,"alt":1.66,"az":311.4,"t":"2039-08-30T09:20:00Z","terrain":0.27},{"above_terrain":true,"airmass":26.66,"alt":0.96,"az":312.2,"t":"2039-08-30T09:25:00Z","terrain":0.17},{"above_terrain":false,"airmass":34.13,"alt":0.27,"az":313.1,"t":"2039-08-30T09:30:00Z","terrain":0.28},{"above_terrain":false,"airmass":null,"alt":-0.41,"az":313.9,"t":"2039-08-30T09:35:00Z","terrain":0.45},{"above_terrain":false,"airmass":null,"alt":-1.08,"az":314.7,"t":"2039-08-30T09:40:00Z","terrain":0.54},{"above_terrain":false,"airmass":null,"alt":-1.74,"az":315.6,"t":"2039-08-30T09:45:00Z","terrain":0.51},{"above_terrain":false,"airmass":null,"alt":-2.39,"az":316.4,"t":"2039-08-30T09:50:00Z","terrain":0.4},{"above_terrain":false,"airmass":null,"alt":-3.03,"az":317.3,"t":"2039-08-30T09:55:00Z","terrain":0.31},{"above_terrain":false,"airmass":null,"alt":-3.66,"az":318.2,"t":"2039-08-30T10:00:00Z","terrain":0.24},{"above_terrain":false,"airmass":null,"alt":-4.27,"az":319.1,"t":"2039-08-30T10:05:00Z","terrain":-0.14},{"above_terrain":false,"airmass":null,"alt":-4.88,"az":320.0,"t":"2039-08-30T10:10:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-5.48,"az":320.9,"t":"2039-08-30T10:15:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-6.06,"az":321.8,"t":"2039-08-30T10:20:00Z","terrain":0.11},{"above_terrain":false,"airmass":null,"alt":-6.64,"az":322.7,"t":"2039-08-30T10:25:00Z","terrain":0.12},{"above_terrain":false,"airmass":null,"alt":-7.2,"az":323.6,"t":"2039-08-30T10:30:00Z","terrain":-0.1},{"above_terrain":false,"airmass":null,"alt":-7.75,"az":324.5,"t":"2039-08-30T10:35:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-8.28,"az":325.5,"t":"2039-08-30T10:40:00Z","terrain":-0.21},{"above_terrain":false,"airmass":null,"alt":-8.81,"az":326.4,"t":"2039-08-30T10:45:00Z","terrain":-0.3},{"above_terrain":false,"airmass":null,"alt":-9.32,"az":327.4,"t":"2039-08-30T10:50:00Z","terrain":-0.33},{"above_terrain":false,"airmass":null,"alt":-9.82,"az":328.4,"t":"2039-08-30T10:55:00Z","terrain":-0.19},{"above_terrain":false,"airmass":null,"alt":-10.3,"az":329.3,"t":"2039-08-30T11:00:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-10.77,"az":330.3,"t":"2039-08-30T11:05:00Z","terrain":-0.36},{"above_terrain":false,"airmass":null,"alt":-11.23,"az":331.3,"t":"2039-08-30T11:10:00Z","terrain":-0.31},{"above_terrain":false,"airmass":null,"alt":-11.67,"az":332.3,"t":"2039-08-30T11:15:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-12.1,"az":333.3,"t":"2039-08-30T11:20:00Z","terrain":-0.15},{"above_terrain":false,"airmass":null,"alt":-12.51,"az":334.3,"t":"2039-08-30T11:25:00Z","terrain":-0.35},{"above_terrain":false,"airmass":null,"alt":-12.91,"az":335.4,"t":"2039-08-30T11:30:00Z","terrain":-0.68},{"above_terrain":false,"airmass":null,"alt":-13.29,"az":336.4,"t":"2039-08-30T11:35:00Z","terrain":-0.79},{"above_terrain":false,"airmass":null,"alt":-13.66,"az":337.4,"t":"2039-08-30T11:40:00Z","terrain":-0.62},{"above_terrain":false,"airmass":null,"alt":-14.01,"az":338.5,"t":"2039-08-30T11:45:00Z","terrain":-0.6},{"above_terrain":false,"airmass":null,"alt":-14.35,"az":339.5,"t":"2039-08-30T11:50:00Z","terrain":-0.63},{"above_terrain":false,"airmass":null,"alt":-14.66,"az":340.6,"t":"2039-08-30T11:55:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-14.97,"az":341.7,"t":"2039-08-30T12:00:00Z","terrain":-0.47},{"above_terrain":false,"airmass":null,"alt":-15.25,"az":342.7,"t":"2039-08-30T12:05:00Z","terrain":-0.42},{"above_terrain":false,"airmass":null,"alt":-15.52,"az":343.8,"t":"2039-08-30T12:10:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-15.77,"az":344.9,"t":"2039-08-30T12:15:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-16.01,"az":346.0,"t":"2039-08-30T12:20:00Z","terrain":-0.55},{"above_terrain":false,"airmass":null,"alt":-16.23,"az":347.1,"t":"2039-08-30T12:25:00Z","terrain":-0.39},{"above_terrain":false,"airmass":null,"alt":-16.43,"az":348.2,"t":"2039-08-30T12:30:00Z","terrain":-0.11},{"above_terrain":false,"airmass":null,"alt":-16.61,"az":349.3,"t":"2039-08-30T12:35:00Z","terrain":0.04},{"above_terrain":false,"airmass":null,"alt":-16.78,"az":350.4,"t":"2039-08-30T12:40:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-16.92,"az":351.5,"t":"2039-08-30T12:45:00Z","terrain":0.21},{"above_terrain":false,"airmass":null,"alt":-17.05,"az":352.6,"t":"2039-08-30T12:50:00Z","terrain":0.42},{"above_terrain":false,"airmass":null,"alt":-17.16,"az":353.8,"t":"2039-08-30T12:55:00Z","terrain":0.59},{"above_terrain":false,"airmass":null,"alt":-17.25,"az":354.9,"t":"2039-08-30T13:00:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-17.33,"az":356.0,"t":"2039-08-30T13:05:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-17.39,"az":357.1,"t":"2039-08-30T13:10:00Z","terrain":0.73},{"above_terrain":false,"airmass":null,"alt":-17.42,"az":358.3,"t":"2039-08-30T13:15:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-17.44,"az":359.4,"t":"2039-08-30T13:20:00Z","terrain":0.57},{"above_terrain":false,"airmass":null,"alt":-17.44,"az":0.5,"t":"2039-08-30T13:25:00Z","terrain":0.43},{"above_terrain":false,"airmass":null,"alt":-17.43,"az":1.6,"t":"2039-08-30T13:30:00Z","terrain":0.21},{"above_terrain":false,"airmass":null,"alt":-17.39,"az":2.8,"t":"2039-08-30T13:35:00Z","terrain":-0.07},{"above_terrain":false,"airmass":null,"alt":-17.33,"az":3.9,"t":"2039-08-30T13:40:00Z","terrain":-0.26},{"above_terrain":false,"airmass":null,"alt":-17.26,"az":5.0,"t":"2039-08-30T13:45:00Z","terrain":-0.43},{"above_terrain":false,"airmass":null,"alt":-17.17,"az":6.1,"t":"2039-08-30T13:50:00Z","terrain":-0.56},{"above_terrain":false,"airmass":null,"alt":-17.06,"az":7.3,"t":"2039-08-30T13:55:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-16.93,"az":8.4,"t":"2039-08-30T14:00:00Z","terrain":-0.5},{"above_terrain":false,"airmass":null,"alt":-16.79,"az":9.5,"t":"2039-08-30T14:05:00Z","terrain":-0.63},{"above_terrain":false,"airmass":null,"alt":-16.63,"az":10.6,"t":"2039-08-30T14:10:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-16.44,"az":11.7,"t":"2039-08-30T14:15:00Z","terrain":-0.24},{"above_terrain":false,"airmass":null,"alt":-16.25,"az":12.8,"t":"2039-08-30T14:20:00Z","terrain":-0.09},{"above_terrain":false,"airmass":null,"alt":-16.03,"az":13.9,"t":"2039-08-30T14:25:00Z","terrain":0.08},{"above_terrain":false,"airmass":null,"alt":-15.8,"az":15.0,"t":"2039-08-30T14:30:00Z","terrain":0.41},{"above_terrain":false,"airmass":null,"alt":-15.55,"az":16.1,"t":"2039-08-30T14:35:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-15.28,"az":17.2,"t":"2039-08-30T14:40:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-14.99,"az":18.2,"t":"2039-08-30T14:45:00Z","terrain":0.55},{"above_terrain":false,"airmass":null,"alt":-14.69,"az":19.3,"t":"2039-08-30T14:50:00Z","terrain":0.64},{"above_terrain":false,"airmass":null,"alt":-14.37,"az":20.4,"t":"2039-08-30T14:55:00Z","terrain":0.68},{"above_terrain":false,"airmass":null,"alt":-14.04,"az":21.4,"t":"2039-08-30T15:00:00Z","terrain":0.82},{"above_terrain":false,"airmass":null,"alt":-13.69,"az":22.5,"t":"2039-08-30T15:05:00Z","terrain":1.07},{"above_terrain":false,"airmass":null,"alt":-13.32,"az":23.5,"t":"2039-08-30T15:10:00Z","terrain":1.04},{"above_terrain":false,"airmass":null,"alt":-12.94,"az":24.6,"t":"2039-08-30T15:15:00Z","terrain":1.09},{"above_terrain":false,"airmass":null,"alt":-12.55,"az":25.6,"t":"2039-08-30T15:20:00Z","terrain":1.29},{"above_terrain":false,"airmass":null,"alt":-12.13,"az":26.6,"t":"2039-08-30T15:25:00Z","terrain":1.3},{"above_terrain":false,"airmass":null,"alt":-11.71,"az":27.6,"t":"2039-08-30T15:30:00Z","terrain":1.23},{"above_terrain":false,"airmass":null,"alt":-11.27,"az":28.6,"t":"2039-08-30T15:35:00Z","terrain":1.07},{"above_terrain":false,"airmass":null,"alt":-10.81,"az":29.6,"t":"2039-08-30T15:40:00Z","terrain":1.09},{"above_terrain":false,"airmass":null,"alt":-10.34,"az":30.6,"t":"2039-08-30T15:45:00Z","terrain":1.24},{"above_terrain":false,"airmass":null,"alt":-9.86,"az":31.6,"t":"2039-08-30T15:50:00Z","terrain":1.32},{"above_terrain":false,"airmass":null,"alt":-9.36,"az":32.5,"t":"2039-08-30T15:55:00Z","terrain":1.15},{"above_terrain":false,"airmass":null,"alt":-8.85,"az":33.5,"t":"2039-08-30T16:00:00Z","terrain":0.72},{"above_terrain":false,"airmass":null,"alt":-8.33,"az":34.4,"t":"2039-08-30T16:05:00Z","terrain":0.26},{"above_terrain":false,"airmass":null,"alt":-7.79,"az":35.4,"t":"2039-08-30T16:10:00Z","terrain":0.04},{"above_terrain":false,"airmass":null,"alt":-7.25,"az":36.3,"t":"2039-08-30T16:15:00Z","terrain":-0.01},{"above_terrain":false,"airmass":null,"alt":-6.69,"az":37.2,"t":"2039-08-30T16:20:00Z","terrain":-0.12},{"above_terrain":false,"airmass":null,"alt":-6.11,"az":38.2,"t":"2039-08-30T16:25:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-5.53,"az":39.1,"t":"2039-08-30T16:30:00Z","terrain":-0.15},{"above_terrain":false,"airmass":null,"alt":-4.93,"az":40.0,"t":"2039-08-30T16:35:00Z","terrain":-0.05},{"above_terrain":false,"airmass":null,"alt":-4.33,"az":40.9,"t":"2039-08-30T16:40:00Z","terrain":0.01},{"above_terrain":false,"airmass":null,"alt":-3.71,"az":41.7,"t":"2039-08-30T16:45:00Z","terrain":0.09},{"above_terrain":false,"airmass":null,"alt":-3.08,"az":42.6,"t":"2039-08-30T16:50:00Z","terrain":0.2},{"above_terrain":false,"airmass":null,"alt":-2.44,"az":43.5,"t":"2039-08-30T16:55:00Z","terrain":0.33},{"above_terrain":false,"airmass":null,"alt":-1.79,"az":44.3,"t":"2039-08-30T17:00:00Z","terrain":0.47},{"above_terrain":false,"airmass":null,"alt":-1.13,"az":45.2,"t":"2039-08-30T17:05:00Z","terrain":0.6},{"above_terrain":false,"airmass":null,"alt":-0.47,"az":46.0,"t":"2039-08-30T17:10:00Z","terrain":0.67},{"above_terrain":false,"airmass":34.91,"alt":0.21,"az":46.9,"t":"2039-08-30T17:15:00Z","terrain":0.62},{"above_terrain":true,"airmass":27.21,"alt":0.9,"az":47.7,"t":"2039-08-30T17:20:00Z","terrain":0.55},{"above_terrain":true,"airmass":21.8,"alt":1.6,"az":48.5,"t":"2039-08-30T17:25:00Z","terrain":0.47},{"above_terrain":true,"airmass":17.93,"alt":2.3,"az":49.3,"t":"2039-08-30T17:30:00Z","terrain":0.41},{"above_terrain":true,"airmass":15.09,"alt":3.02,"az":50.1,"t":"2039-08-30T17:35:00Z","terrain":0.42},{"above_terrain":true,"airmass":12.94,"alt":3.74,"az":50.9,"t":"2039-08-30T17:40:00Z","terrain":0.52},{"above_terrain":true,"airmass":11.28,"alt":4.47,"az":51.7,"t":"2039-08-30T17:45:00Z","terrain":0.6},{"above_terrain":true,"airmass":9.96,"alt":5.21,"az":52.5,"t":"2039-08-30T17:50:00Z","terrain":0.74},{"above_terrain":true,"airmass":8.9,"alt":5.96,"az":53.3,"t":"2039-08-30T17:55:00Z","terrain":0.89},{"above_terrain":true,"airmass":8.02,"alt":6.71,"az":54.1,"t":"2039-08-30T18:00:00Z","terrain":1.0},{"above_terrain":true,"airmass":7.29,"alt":7.47,"az":54.8,"t":"2039-08-30T18:05:00Z","terrain":1.07},{"above_terrain":true,"airmass":6.68,"alt":8.24,"az":55.6,"t":"2039-08-30T18:10:00Z","terrain":1.06},{"above_terrain":true,"airmass":6.15,"alt":9.02,"az":56.3,"t":"2039-08-30T18:15:00Z","terrain":1.06},{"above_terrain":true,"airmass":5.69,"alt":9.8,"az":57.1,"t":"2039-08-30T18:20:00Z","terrain":1.09},{"above_terrain":true,"airmass":5.3,"alt":10.59,"az":57.8,"t":"2039-08-30T18:25:00Z","terrain":1.22},{"above_terrain":true,"airmass":4.95,"alt":11.38,"az":58.6,"t":"2039-08-30T18:30:00Z","terrain":1.23},{"above_terrain":true,"airmass":4.64,"alt":12.18,"az":59.3,"t":"2039-08-30T18:35:00Z","terrain":1.2},{"above_terrain":true,"airmass":4.37,"alt":12.99,"az":60.0,"t":"2039-08-30T18:40:00Z","terrain":1.17},{"above_terrain":true,"airmass":4.13,"alt":13.81,"az":60.8,"t":"2039-08-30T18:45:00Z","terrain":1.11},{"above_terrain":true,"airmass":3.91,"alt":14.62,"az":61.5,"t":"2039-08-30T18:50:00Z","terrain":1.05},{"above_terrain":true,"airmass":3.71,"alt":15.45,"az":62.2,"t":"2039-08-30T18:55:00Z","terrain":0.99},{"above_terrain":true,"airmass":3.53,"alt":16.28,"az":62.9,"t":"2039-08-30T19:00:00Z","terrain":0.92},{"above_terrain":true,"airmass":3.36,"alt":17.12,"az":63.6,"t":"2039-08-30T19:05:00Z","terrain":0.82},{"above_terrain":true,"airmass":3.21,"alt":17.96,"az":64.3,"t":"2039-08-30T19:10:00Z","terrain":0.77},{"above_terrain":true,"airmass":3.08,"alt":18.8,"az":65.0,"t":"2039-08-30T19:15:00Z","terrain":0.77},{"above_terrain":true,"airmass":2.95,"alt":19.65,"az":65.7,"t":"2039-08-30T19:20:00Z","terrain":0.81},{"above_terrain":true,"airmass":2.84,"alt":20.51,"az":66.4,"t":"2039-08-30T19:25:00Z","terrain":0.87},{"above_terrain":true,"airmass":2.73,"alt":21.37,"az":67.1,"t":"2039-08-30T19:30:00Z","terrain":0.94},{"above_terrain":true,"airmass":2.63,"alt":22.23,"az":67.8,"t":"2039-08-30T19:35:00Z","terrain":0.98},{"above_terrain":true,"airmass":2.54,"alt":23.1,"az":68.5,"t":"2039-08-30T19:40:00Z","terrain":1.02},{"above_terrain":true,"airmass":2.45,"alt":23.98,"az":69.2,"t":"2039-08-30T19:45:00Z","terrain":1.08},{"above_terrain":true,"airmass":2.37,"alt":24.85,"az":69.8,"t":"2039-08-30T19:50:00Z","terrain":1.19},{"above_terrain":true,"airmass":2.29,"alt":25.73,"az":70.5,"t":"2039-08-30T19:55:00Z","terrain":1.24},{"above_terrain":true,"airmass":2.22,"alt":26.62,"az":71.2,"t":"2039-08-30T20:00:00Z","terrain":1.25},{"above_terrain":true,"airmass":2.16,"alt":27.5,"az":71.9,"t":"2039-08-30T20:05:00Z","terrain":1.21},{"above_terrain":true,"airmass":2.1,"alt":28.4,"az":72.6,"t":"2039-08-30T20:10:00Z","terrain":1.08},{"above_terrain":true,"airmass":2.04,"alt":29.29,"az":73.3,"t":"2039-08-30T20:15:00Z","terrain":0.92},{"above_terrain":true,"airmass":1.98,"alt":30.19,"az":73.9,"t":"2039-08-30T20:20:00Z","terrain":0.74},{"above_terrain":true,"airmass":1.93,"alt":31.09,"az":74.6,"t":"2039-08-30T20:25:00Z","terrain":0.67},{"above_terrain":true,"airmass":1.88,"alt":31.99,"az":75.3,"t":"2039-08-30T20:30:00Z","terrain":0.66},{"above_terrain":true,"airmass":1.84,"alt":32.9,"az":76.0,"t":"2039-08-30T20:35:00Z","terrain":0.72},{"above_terrain":true,"airmass":1.79,"alt":33.81,"az":76.7,"t":"2039-08-30T20:40:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.75,"alt":34.72,"az":77.4,"t":"2039-08-30T20:45:00Z","terrain":0.67},{"above_terrain":true,"airmass":1.71,"alt":35.64,"az":78.1,"t":"2039-08-30T20:50:00Z","terrain":0.63},{"above_terrain":true,"airmass":1.68,"alt":36.55,"az":78.8,"t":"2039-08-30T20:55:00Z","terrain":0.58},{"above_terrain":true,"airmass":1.64,"alt":37.47,"az":79.5,"t":"2039-08-30T21:00:00Z","terrain":0.52},{"above_terrain":true,"airmass":1.61,"alt":38.39,"az":80.2,"t":"2039-08-30T21:05:00Z","terrain":0.5},{"above_terrain":true,"airmass":1.58,"alt":39.32,"az":80.9,"t":"2039-08-30T21:10:00Z","terrain":0.65},{"above_terrain":true,"airmass":1.55,"alt":40.24,"az":81.6,"t":"2039-08-30T21:15:00Z","terrain":0.75},{"above_terrain":true,"airmass":1.52,"alt":41.17,"az":82.3,"t":"2039-08-30T21:20:00Z","terrain":0.69},{"above_terrain":true,"airmass":1.49,"alt":42.1,"az":83.0,"t":"2039-08-30T21:25:00Z","terrain":0.47},{"above_terrain":true,"airmass":1.46,"alt":43.03,"az":83.8,"t":"2039-08-30T21:30:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.44,"alt":43.96,"az":84.5,"t":"2039-08-30T21:35:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.42,"alt":44.89,"az":85.3,"t":"2039-08-30T21:40:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.39,"alt":45.82,"az":86.0,"t":"2039-08-30T21:45:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.37,"alt":46.76,"az":86.8,"t":"2039-08-30T21:50:00Z","terrain":0.09},{"above_terrain":true,"airmass":1.35,"alt":47.69,"az":87.6,"t":"2039-08-30T21:55:00Z","terrain":-0.01},{"above_terrain":true,"airmass":1.33,"alt":48.63,"az":88.4,"t":"2039-08-30T22:00:00Z","terrain":-0.12},{"above_terrain":true,"airmass":1.31,"alt":49.56,"az":89.2,"t":"2039-08-30T22:05:00Z","terrain":-0.2},{"above_terrain":true,"airmass":1.29,"alt":50.5,"az":90.0,"t":"2039-08-30T22:10:00Z","terrain":-0.22},{"above_terrain":true,"airmass":1.28,"alt":51.43,"az":90.9,"t":"2039-08-30T22:15:00Z","terrain":-0.11},{"above_terrain":true,"airmass":1.26,"alt":52.37,"az":91.7,"t":"2039-08-30T22:20:00Z","terrain":0.05},{"above_terrain":true,"airmass":1.25,"alt":53.31,"az":92.6,"t":"2039-08-30T22:25:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.23,"alt":54.24,"az":93.5,"t":"2039-08-30T22:30:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.22,"alt":55.17,"az":94.4,"t":"2039-08-30T22:35:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.2,"alt":56.11,"az":95.4,"t":"2039-08-30T22:40:00Z","terrain":0.45},{"above_terrain":true,"airmass":1.19,"alt":57.04,"az":96.4,"t":"2039-08-30T22:45:00Z","terrain":0.62},{"above_terrain":true,"airmass":1.18,"alt":57.97,"az":97.4,"t":"2039-08-30T22:50:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.17,"alt":58.89,"az":98.4,"t":"2039-08-30T22:55:00Z","terrain":0.59},{"above_terrain":true,"airmass":1.16,"alt":59.82,"az":99.5,"t":"2039-08-30T23:00:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.15,"alt":60.74,"az":100.6,"t":"2039-08-30T23:05:00Z","terrain":0.15},{"above_terrain":true,"airmass":1.14,"alt":61.66,"az":101.8,"t":"2039-08-30T23:10:00Z","terrain":-0.01},{"above_terrain":true,"airmass":1.13,"alt":62.57,"az":103.0,"t":"2039-08-30T23:15:00Z","terrain":-0.22},{"above_terrain":true,"airmass":1.12,"alt":63.48,"az":104.3,"t":"2039-08-30T23:20:00Z","terrain":-0.05},{"above_terrain":true,"airmass":1.11,"alt":64.39,"az":105.6,"t":"2039-08-30T23:25:00Z","terrain":-0.47},{"above_terrain":true,"airmass":1.1,"alt":65.28,"az":107.0,"t":"2039-08-30T23:30:00Z","terrain":-0.61},{"above_terrain":true,"airmass":1.09,"alt":66.18,"az":108.5,"t":"2039-08-30T23:35:00Z","terrain":-1.05},{"above_terrain":true,"airmass":1.09,"alt":67.06,"az":110.0,"t":"2039-08-30T23:40:00Z","terrain":-1.15},{"above_terrain":true,"airmass":1.08,"alt":67.93,"az":111.6,"t":"2039-08-30T23:45:00Z","terrain":-1.36},{"above_terrain":true,"airmass":1.07,"alt":68.8,"az":113.4,"t":"2039-08-30T23:50:00Z","terrain":-1.51},{"above_terrain":true,"airmass":1.07,"alt":69.65,"az":115.2,"t":"2039-08-30T23:55:00Z","terrain":-1.5},{"above_terrain":true,"airmass":1.06,"alt":70.49,"az":117.2,"t":"2039-08-31T00:00:00Z","terrain":-1.59},{"above_terrain":true,"airmass":1.06,"alt":71.32,"az":119.3,"t":"2039-08-31T00:05:00Z","terrain":-1.4},{"above_terrain":true,"airmass":1.05,"alt":72.12,"az":121.6,"t":"2039-08-31T00:10:00Z","terrain":-1.21},{"above_terrain":true,"airmass":1.05,"alt":72.91,"az":124.0,"t":"2039-08-31T00:15:00Z","terrain":-1.48},{"above_terrain":true,"airmass":1.04,"alt":73.67,"az":126.7,"t":"2039-08-31T00:20:00Z","terrain":-1.56},{"above_terrain":true,"airmass":1.04,"alt":74.41,"az":129.5,"t":"2039-08-31T00:25:00Z","terrain":-1.35},{"above_terrain":true,"airmass":1.03,"alt":75.12,"az":132.6,"t":"2039-08-31T00:30:00Z","terrain":-1.65},{"above_terrain":true,"airmass":1.03,"alt":75.79,"az":136.0,"t":"2039-08-31T00:35:00Z","terrain":-1.19},{"above_terrain":true,"airmass":1.03,"alt":76.42,"az":139.6,"t":"2039-08-31T00:40:00Z","terrain":-1.33},{"above_terrain":true,"airmass":1.03,"alt":77.0,"az":143.5,"t":"2039-08-31T00:45:00Z","terrain":-1.35},{"above_terrain":true,"airmass":1.02,"alt":77.53,"az":147.8,"t":"2039-08-31T00:50:00Z","terrain":-1.41},{"above_terrain":true,"airmass":1.02,"alt":77.99,"az":152.4,"t":"2039-08-31T00:55:00Z","terrain":-1.14},{"above_terrain":true,"airmass":1.02,"alt":78.39,"az":157.2,"t":"2039-08-31T01:00:00Z","terrain":-1.08},{"above_terrain":true,"airmass":1.02,"alt":78.71,"az":162.4,"t":"2039-08-31T01:05:00Z","terrain":-1.37},{"above_terrain":true,"airmass":1.02,"alt":78.96,"az":167.8,"t":"2039-08-31T01:10:00Z","terrain":-0.99},{"above_terrain":true,"airmass":1.02,"alt":79.11,"az":173.4,"t":"2039-08-31T01:15:00Z","terrain":-0.46},{"above_terrain":true,"airmass":1.02,"alt":79.17,"az":179.1,"t":"2039-08-31T01:20:00Z","terrain":-0.44},{"above_terrain":true,"airmass":1.02,"alt":79.14,"az":184.9,"t":"2039-08-31T01:25:00Z","terrain":-0.6},{"above_terrain":true,"airmass":1.02,"alt":79.01,"az":190.5,"t":"2039-08-31T01:30:00Z","terrain":-0.51},{"above_terrain":true,"airmass":1.02,"alt":78.8,"az":196.0,"t":"2039-08-31T01:35:00Z","terrain":-0.64},{"above_terrain":true,"airmass":1.02,"alt":78.5,"az":201.2,"t":"2039-08-31T01:40:00Z","terrain":-0.51},{"above_terrain":true,"airmass":1.02,"alt":78.12,"az":206.2,"t":"2039-08-31T01:45:00Z","terrain":0.11},{"above_terrain":true,"airmass":1.02,"alt":77.67,"az":210.9,"t":"2039-08-31T01:50:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.03,"alt":77.16,"az":215.2,"t":"2039-08-31T01:55:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.03,"alt":76.6,"az":219.3,"t":"2039-08-31T02:00:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.03,"alt":75.98,"az":223.0,"t":"2039-08-31T02:05:00Z","terrain":0.74},{"above_terrain":true,"airmass":1.03,"alt":75.32,"az":226.4,"t":"2039-08-31T02:10:00Z","terrain":0.76},{"above_terrain":true,"airmass":1.04,"alt":74.63,"az":229.6,"t":"2039-08-31T02:15:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.04,"alt":73.9,"az":232.5,"t":"2039-08-31T02:20:00Z","terrain":0.85},{"above_terrain":true,"airmass":1.04,"alt":73.14,"az":235.2,"t":"2039-08-31T02:25:00Z","terrain":0.94},{"above_terrain":true,"airmass":1.05,"alt":72.36,"az":237.7,"t":"2039-08-31T02:30:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.05,"alt":71.56,"az":240.0,"t":"2039-08-31T02:35:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.06,"alt":70.74,"az":242.2,"t":"2039-08-31T02:40:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.06,"alt":69.91,"az":244.2,"t":"2039-08-31T02:45:00Z","terrain":0.95},{"above_terrain":true,"airmass":1.07,"alt":69.06,"az":246.1,"t":"2039-08-31T02:50:00Z","terrain":1.17},{"above_terrain":true,"airmass":1.08,"alt":68.2,"az":247.8,"t":"2039-08-31T02:55:00Z","terrain":0.65},{"above_terrain":true,"airmass":1.08,"alt":67.32,"az":249.5,"t":"2039-08-31T03:00:00Z","terrain":0.54},{"above_terrain":true,"airmass":1.09,"alt":66.44,"az":251.1,"t":"2039-08-31T03:05:00Z","terrain":0.52},{"above_terrain":true,"airmass":1.1,"alt":65.55,"az":252.6,"t":"2039-08-31T03:10:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.11,"alt":64.66,"az":254.0,"t":"2039-08-31T03:15:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.11,"alt":63.75,"az":255.3,"t":"2039-08-31T03:20:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.12,"alt":62.85,"az":256.6,"t":"2039-08-31T03:25:00Z","terrain":0.41},{"above_terrain":true,"airmass":1.13,"alt":61.93,"az":257.9,"t":"2039-08-31T03:30:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.14,"alt":61.02,"az":259.0,"t":"2039-08-31T03:35:00Z","terrain":0.48},{"above_terrain":true,"airmass":1.15,"alt":60.1,"az":260.2,"t":"2039-08-31T03:40:00Z","terrain":0.61},{"above_terrain":true,"airmass":1.16,"alt":59.17,"az":261.3,"t":"2039-08-31T03:45:00Z","terrain":0.88},{"above_terrain":true,"airmass":1.18,"alt":58.25,"az":262.3,"t":"2039-08-31T03:50:00Z","terrain":0.93},{"above_terrain":true,"airmass":1.19,"alt":57.32,"az":263.3,"t":"2039-08-31T03:55:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.2,"alt":56.39,"az":264.3,"t":"2039-08-31T04:00:00Z","terrain":0.48},{"above_terrain":true,"airmass":1.21,"alt":55.45,"az":265.3,"t":"2039-08-31T04:05:00Z","terrain":0.41},{"above_terrain":true,"airmass":1.23,"alt":54.52,"az":266.2,"t":"2039-08-31T04:10:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.24,"alt":53.59,"az":267.1,"t":"2039-08-31T04:15:00Z","terrain":0.58},{"above_terrain":true,"airmass":1.26,"alt":52.65,"az":268.0,"t":"2039-08-31T04:20:00Z","terrain":0.65},{"above_terrain":true,"airmass":1.27,"alt":51.72,"az":268.9,"t":"2039-08-31T04:25:00Z","terrain":0.74},{"above_terrain":true,"airmass":1.29,"alt":50.78,"az":269.7,"t":"2039-08-31T04:30:00Z","terrain":0.86},{"above_terrain":true,"airmass":1.31,"alt":49.84,"az":270.5,"t":"2039-08-31T04:35:00Z","terrain":0.83},{"above_terrain":true,"airmass":1.33,"alt":48.91,"az":271.4,"t":"2039-08-31T04:40:00Z","terrain":0.65},{"above_terrain":true,"airmass":1.34,"alt":47.97,"az":272.2,"t":"2039-08-31T04:45:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.37,"alt":47.04,"az":273.0,"t":"2039-08-31T04:50:00Z","terrain":0.15},{"above_terrain":true,"airmass":1.39,"alt":46.1,"az":273.7,"t":"2039-08-31T04:55:00Z","terrain":0.02},{"above_terrain":true,"airmass":1.41,"alt":45.17,"az":274.5,"t":"2039-08-31T05:00:00Z","terrain":0.03},{"above_terrain":true,"airmass":1.43,"alt":44.24,"az":275.3,"t":"2039-08-31T05:05:00Z","terrain":0.06},{"above_terrain":true,"airmass":1.46,"alt":43.31,"az":276.0,"t":"2039-08-31T05:10:00Z","terrain":-0.01},{"above_terrain":true,"airmass":1.48,"alt":42.38,"az":276.7,"t":"2039-08-31T05:15:00Z","terrain":-0.11},{"above_terrain":true,"airmass":1.51,"alt":41.45,"az":277.5,"t":"2039-08-31T05:20:00Z","terrain":-0.11},{"above_terrain":true,"airmass":1.54,"alt":40.52,"az":278.2,"t":"2039-08-31T05:25:00Z","terrain":-0.07},{"above_terrain":true,"airmass":1.57,"alt":39.59,"az":278.9,"t":"2039-08-31T05:30:00Z","terrain":-0.03},{"above_terrain":true,"airmass":1.6,"alt":38.67,"az":279.6,"t":"2039-08-31T05:35:00Z","terrain":-0.09},{"above_terrain":true,"airmass":1.63,"alt":37.75,"az":280.3,"t":"2039-08-31T05:40:00Z","terrain":-0.08},{"above_terrain":true,"airmass":1.67,"alt":36.83,"az":281.0,"t":"2039-08-31T05:45:00Z","terrain":0.03},{"above_terrain":true,"airmass":1.7,"alt":35.91,"az":281.7,"t":"2039-08-31T05:50:00Z","terrain":-0.09},{"above_terrain":true,"airmass":1.74,"alt":35.0,"az":282.4,"t":"2039-08-31T05:55:00Z","terrain":-0.08},{"above_terrain":true,"airmass":1.78,"alt":34.08,"az":283.1,"t":"2039-08-31T06:00:00Z","terrain":0.0},{"above_terrain":true,"airmass":1.82,"alt":33.17,"az":283.8,"t":"2039-08-31T06:05:00Z","terrain":0.09},{"above_terrain":true,"airmass":1.87,"alt":32.27,"az":284.5,"t":"2039-08-31T06:10:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.92,"alt":31.36,"az":285.2,"t":"2039-08-31T06:15:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.97,"alt":30.46,"az":285.9,"t":"2039-08-31T06:20:00Z","terrain":0.22},{"above_terrain":true,"airmass":2.02,"alt":29.56,"az":286.5,"t":"2039-08-31T06:25:00Z","terrain":0.3},{"above_terrain":true,"airmass":2.08,"alt":28.66,"az":287.2,"t":"2039-08-31T06:30:00Z","terrain":0.33},{"above_terrain":true,"airmass":2.14,"alt":27.77,"az":287.9,"t":"2039-08-31T06:35:00Z","terrain":0.19},{"above_terrain":true,"airmass":2.2,"alt":26.88,"az":288.6,"t":"2039-08-31T06:40:00Z","terrain":0.18},{"above_terrain":true,"airmass":2.27,"alt":26.0,"az":289.3,"t":"2039-08-31T06:45:00Z","terrain":0.21},{"above_terrain":true,"airmass":2.35,"alt":25.12,"az":289.9,"t":"2039-08-31T06:50:00Z","terrain":0.28},{"above_terrain":true,"airmass":2.42,"alt":24.24,"az":290.6,"t":"2039-08-31T06:55:00Z","terrain":0.42},{"above_terrain":true,"airmass":2.51,"alt":23.36,"az":291.3,"t":"2039-08-31T07:00:00Z","terrain":0.51},{"above_terrain":true,"airmass":2.6,"alt":22.49,"az":292.0,"t":"2039-08-31T07:05:00Z","terrain":0.55},{"above_terrain":true,"airmass":2.7,"alt":21.63,"az":292.7,"t":"2039-08-31T07:10:00Z","terrain":0.36},{"above_terrain":true,"airmass":2.8,"alt":20.77,"az":293.4,"t":"2039-08-31T07:15:00Z","terrain":0.27},{"above_terrain":true,"airmass":2.92,"alt":19.91,"az":294.1,"t":"2039-08-31T07:20:00Z","terrain":0.25},{"above_terrain":true,"airmass":3.04,"alt":19.06,"az":294.8,"t":"2039-08-31T07:25:00Z","terrain":0.23},{"above_terrain":true,"airmass":3.17,"alt":18.21,"az":295.5,"t":"2039-08-31T07:30:00Z","terrain":0.28},{"above_terrain":true,"airmass":3.32,"alt":17.37,"az":296.2,"t":"2039-08-31T07:35:00Z","terrain":0.32},{"above_terrain":true,"airmass":3.48,"alt":16.53,"az":296.9,"t":"2039-08-31T07:40:00Z","terrain":0.27},{"above_terrain":true,"airmass":3.65,"alt":15.7,"az":297.6,"t":"2039-08-31T07:45:00Z","terrain":0.18},{"above_terrain":true,"airmass":3.84,"alt":14.87,"az":298.3,"t":"2039-08-31T07:50:00Z","terrain":0.14},{"above_terrain":true,"airmass":4.06,"alt":14.05,"az":299.0,"t":"2039-08-31T07:55:00Z","terrain":0.18},{"above_terrain":true,"airmass":4.29,"alt":13.24,"az":299.7,"t":"2039-08-31T08:00:00Z","terrain":0.32},{"above_terrain":true,"airmass":4.56,"alt":12.43,"az":300.5,"t":"2039-08-31T08:05:00Z","terrain":0.35},{"above_terrain":true,"airmass":4.85,"alt":11.62,"az":301.2,"t":"2039-08-31T08:10:00Z","terrain":0.27},{"above_terrain":true,"airmass":5.19,"alt":10.82,"az":301.9,"t":"2039-08-31T08:15:00Z","terrain":0.09},{"above_terrain":true,"airmass":5.57,"alt":10.03,"az":302.7,"t":"2039-08-31T08:20:00Z","terrain":-0.13},{"above_terrain":true,"airmass":6.0,"alt":9.25,"az":303.4,"t":"2039-08-31T08:25:00Z","terrain":-0.17},{"above_terrain":true,"airmass":6.51,"alt":8.47,"az":304.2,"t":"2039-08-31T08:30:00Z","terrain":-0.14},{"above_terrain":true,"airmass":7.1,"alt":7.7,"az":304.9,"t":"2039-08-31T08:35:00Z","terrain":-0.28},{"above_terrain":true,"airmass":7.79,"alt":6.94,"az":305.7,"t":"2039-08-31T08:40:00Z","terrain":-0.21},{"above_terrain":true,"airmass":8.62,"alt":6.18,"az":306.5,"t":"2039-08-31T08:45:00Z","terrain":-0.0},{"above_terrain":true,"airmass":9.62,"alt":5.43,"az":307.3,"t":"2039-08-31T08:50:00Z","terrain":0.22},{"above_terrain":true,"airmass":10.85,"alt":4.69,"az":308.0,"t":"2039-08-31T08:55:00Z","terrain":0.31},{"above_terrain":true,"airmass":12.4,"alt":3.96,"az":308.8,"t":"2039-08-31T09:00:00Z","terrain":0.2}],"transit":{"airmass":1.02,"alt":79.2,"az":179.1,"t":"2039-08-31T01:20:00Z"},"usable_hours":6.75,"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."]}