{"assessment":{"best_window":{"end":"2037-09-18T02:35Z","end_local":"05:35","hours":1.67,"label":"good","mean_quality":0.79,"start":"2037-09-18T00:55Z","start_local":"03:55"},"cost":{"altitude":7.36,"clouds":0.0,"darkness":1.02,"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 possible, with compromises \u2014 weather unknown","hourly":[{"alt":-52,"cloud":null,"high":null,"iso":"2037-09-17T17:00Z","label":"unusable","low":null,"mid":null,"moon_alt":26,"precip":null,"q":0.0,"rh":null,"sky":"nautical twilight","temp":null,"time":"20:00","wind":null},{"alt":-46,"cloud":null,"high":null,"iso":"2037-09-17T18:00Z","label":"unusable","low":null,"mid":null,"moon_alt":25,"precip":null,"q":0.0,"rh":null,"sky":"astronomical twilight","temp":null,"time":"21:00","wind":null},{"alt":-38,"cloud":null,"high":null,"iso":"2037-09-17T19:00Z","label":"unusable","low":null,"mid":null,"moon_alt":22,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"22:00","wind":null},{"alt":-27,"cloud":null,"high":null,"iso":"2037-09-17T20:00Z","label":"unusable","low":null,"mid":null,"moon_alt":16,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":-17,"cloud":null,"high":null,"iso":"2037-09-17T21:00Z","label":"unusable","low":null,"mid":null,"moon_alt":9,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":-5,"cloud":null,"high":null,"iso":"2037-09-17T22:00Z","label":"unusable","low":null,"mid":null,"moon_alt":0,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":6,"cloud":null,"high":null,"iso":"2037-09-17T23:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-10,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":16,"cloud":null,"high":null,"iso":"2037-09-18T00:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-20,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":26,"cloud":null,"high":null,"iso":"2037-09-18T01:00Z","label":"good","low":null,"mid":null,"moon_alt":-31,"precip":null,"q":0.65,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":35,"cloud":null,"high":null,"iso":"2037-09-18T02:00Z","label":"good","low":null,"mid":null,"moon_alt":-41,"precip":null,"q":0.83,"rh":null,"sky":"night","temp":null,"time":"05:00","wind":null},{"alt":40,"cloud":null,"high":null,"iso":"2037-09-18T03:00Z","label":"marginal","low":null,"mid":null,"moon_alt":-52,"precip":null,"q":0.43,"rh":null,"sky":"astronomical twilight","temp":null,"time":"06:00","wind":null},{"alt":43,"cloud":null,"high":null,"iso":"2037-09-18T04:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-61,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"07:00","wind":null}],"peak_quality":0.85,"peak_sky":0.85,"quality_hours":1.86,"reasons":["the target being low or below 20\u00b0 cost 7.4 quality-hours","daylight and twilight cost 1.0 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":40,"score_weather":null,"sky_hours":1.86,"verdict":"unknown","verdict_astronomy":"marginal","weather_known":false,"windows":[{"end":"2037-09-18T00:25Z","end_local":"03:25","hours":8.0,"label":"unusable","mean_quality":0.0,"start":"2037-09-17T16:25Z","start_local":"19:25"},{"end":"2037-09-18T00:55Z","end_local":"03:55","hours":0.5,"label":"marginal","mean_quality":0.51,"start":"2037-09-18T00:25Z","start_local":"03:25"},{"end":"2037-09-18T02:35Z","end_local":"05:35","hours":1.67,"label":"good","mean_quality":0.79,"start":"2037-09-18T00:55Z","start_local":"03:55"},{"end":"2037-09-18T03:05Z","end_local":"06:05","hours":0.5,"label":"marginal","mean_quality":0.43,"start":"2037-09-18T02:35Z","start_local":"05:35"},{"end":"2037-09-18T03:40Z","end_local":"06:40","hours":0.58,"label":"poor","mean_quality":0.13,"start":"2037-09-18T03:05Z","start_local":"06:05"},{"end":"2037-09-18T04:05Z","end_local":"07:05","hours":0.42,"label":"unusable","mean_quality":0.0,"start":"2037-09-18T03:40Z","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":"2037-09-17T18:00:42Z","dark_hours":8.49,"dark_to":"2037-09-18T02:30:21Z","moon":{"illumination":0.651,"phase":"waxing gibbous","waxing":true},"moon_free_dark_hours":4.52,"moonrise":"2037-09-17T12:36:34Z","moonset":"2037-09-17T21:58:16Z","sunrise":"2037-09-18T04:04:27Z","sunset":"2037-09-17T16:26:42Z","twilight":{"astronomical":{"end":"2037-09-17T18:00:42Z","start":"2037-09-18T02:30:21Z"},"civil":{"end":"2037-09-17T16:54:30Z","start":"2037-09-18T03:36:38Z"},"nautical":{"end":"2037-09-17T17:27:11Z","start":"2037-09-18T03:03:54Z"}},"window_end":"2037-09-18T09:00:00Z","window_start":"2037-09-17T09:00:00Z"},"night_date":"2037-09-17","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.63,"alt":37.8,"t":"2037-09-18T02:30:00Z"},"dec":-5.3876,"dec_of_date":-5.3658,"dec_str":"-05\u00b0 23' 15.4\"","good_hours":1.08,"limit_rise":"2037-09-18T00:20:49Z","limit_set":"2037-09-18T07:56:05Z","max_az_rate_deg_per_min":0.0,"moon_separation":146.6,"never_rises":false,"ra":83.8201,"ra_of_date":84.2837,"ra_str":"05h 35m 16.8s","resolved":{"common_name":"Great Orion Nebula","dec":-5.3876,"name":"M 42","ra":83.8201,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=M42","source":"sesame","type":"HII","type_text":"HII region \u2014 a star-forming nebula"},"summary":"Only 1.1 h above 30\u00b0, 2.2 h above 20\u00b0 \u2014 usable, at high airmass.","terrain":{"available":true,"behind_at":"2037-09-17T09:47:19Z","blocked_dark_hours":0,"clears_at":"2037-09-17T22:32:12Z","rise_az":253.9},"track":[{"above_terrain":true,"airmass":5.82,"alt":9.57,"az":253.9,"t":"2037-09-17T09:00:00Z","terrain":0.17},{"above_terrain":true,"airmass":6.37,"alt":8.67,"az":254.8,"t":"2037-09-17T09:05:00Z","terrain":0.22},{"above_terrain":true,"airmass":7.04,"alt":7.77,"az":255.6,"t":"2037-09-17T09:10:00Z","terrain":0.34},{"above_terrain":true,"airmass":7.87,"alt":6.86,"az":256.5,"t":"2037-09-17T09:15:00Z","terrain":0.41},{"above_terrain":true,"airmass":8.91,"alt":5.95,"az":257.4,"t":"2037-09-17T09:20:00Z","terrain":0.4},{"above_terrain":true,"airmass":10.25,"alt":5.03,"az":258.2,"t":"2037-09-17T09:25:00Z","terrain":0.39},{"above_terrain":true,"airmass":12.04,"alt":4.11,"az":259.1,"t":"2037-09-17T09:30:00Z","terrain":0.49},{"above_terrain":true,"airmass":14.51,"alt":3.19,"az":259.9,"t":"2037-09-17T09:35:00Z","terrain":0.55},{"above_terrain":true,"airmass":18.08,"alt":2.27,"az":260.8,"t":"2037-09-17T09:40:00Z","terrain":0.77},{"above_terrain":true,"airmass":23.52,"alt":1.35,"az":261.6,"t":"2037-09-17T09:45:00Z","terrain":0.92},{"above_terrain":false,"airmass":32.29,"alt":0.42,"az":262.4,"t":"2037-09-17T09:50:00Z","terrain":0.91},{"above_terrain":false,"airmass":null,"alt":-0.51,"az":263.3,"t":"2037-09-17T09:55:00Z","terrain":0.73},{"above_terrain":false,"airmass":null,"alt":-1.44,"az":264.1,"t":"2037-09-17T10:00:00Z","terrain":0.51},{"above_terrain":false,"airmass":null,"alt":-2.37,"az":264.9,"t":"2037-09-17T10:05:00Z","terrain":0.4},{"above_terrain":false,"airmass":null,"alt":-3.3,"az":265.8,"t":"2037-09-17T10:10:00Z","terrain":0.45},{"above_terrain":false,"airmass":null,"alt":-4.24,"az":266.6,"t":"2037-09-17T10:15:00Z","terrain":0.53},{"above_terrain":false,"airmass":null,"alt":-5.17,"az":267.4,"t":"2037-09-17T10:20:00Z","terrain":0.6},{"above_terrain":false,"airmass":null,"alt":-6.11,"az":268.2,"t":"2037-09-17T10:25:00Z","terrain":0.67},{"above_terrain":false,"airmass":null,"alt":-7.04,"az":269.1,"t":"2037-09-17T10:30:00Z","terrain":0.76},{"above_terrain":false,"airmass":null,"alt":-7.98,"az":269.9,"t":"2037-09-17T10:35:00Z","terrain":0.89},{"above_terrain":false,"airmass":null,"alt":-8.91,"az":270.7,"t":"2037-09-17T10:40:00Z","terrain":0.81},{"above_terrain":false,"airmass":null,"alt":-9.85,"az":271.6,"t":"2037-09-17T10:45:00Z","terrain":0.57},{"above_terrain":false,"airmass":null,"alt":-10.79,"az":272.4,"t":"2037-09-17T10:50:00Z","terrain":0.3},{"above_terrain":false,"airmass":null,"alt":-11.72,"az":273.3,"t":"2037-09-17T10:55:00Z","terrain":0.1},{"above_terrain":false,"airmass":null,"alt":-12.65,"az":274.1,"t":"2037-09-17T11:00:00Z","terrain":-0.02},{"above_terrain":false,"airmass":null,"alt":-13.59,"az":275.0,"t":"2037-09-17T11:05:00Z","terrain":0.09},{"above_terrain":false,"airmass":null,"alt":-14.52,"az":275.8,"t":"2037-09-17T11:10:00Z","terrain":0.01},{"above_terrain":false,"airmass":null,"alt":-15.45,"az":276.7,"t":"2037-09-17T11:15:00Z","terrain":-0.1},{"above_terrain":false,"airmass":null,"alt":-16.38,"az":277.5,"t":"2037-09-17T11:20:00Z","terrain":-0.11},{"above_terrain":false,"airmass":null,"alt":-17.31,"az":278.4,"t":"2037-09-17T11:25:00Z","terrain":-0.06},{"above_terrain":false,"airmass":null,"alt":-18.23,"az":279.3,"t":"2037-09-17T11:30:00Z","terrain":-0.05},{"above_terrain":false,"airmass":null,"alt":-19.15,"az":280.2,"t":"2037-09-17T11:35:00Z","terrain":-0.1},{"above_terrain":false,"airmass":null,"alt":-20.07,"az":281.1,"t":"2037-09-17T11:40:00Z","terrain":0.02},{"above_terrain":false,"airmass":null,"alt":-20.99,"az":282.0,"t":"2037-09-17T11:45:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-21.9,"az":282.9,"t":"2037-09-17T11:50:00Z","terrain":-0.02},{"above_terrain":false,"airmass":null,"alt":-22.81,"az":283.8,"t":"2037-09-17T11:55:00Z","terrain":0.1},{"above_terrain":false,"airmass":null,"alt":-23.72,"az":284.8,"t":"2037-09-17T12:00:00Z","terrain":0.2},{"above_terrain":false,"airmass":null,"alt":-24.62,"az":285.7,"t":"2037-09-17T12:05:00Z","terrain":0.22},{"above_terrain":false,"airmass":null,"alt":-25.52,"az":286.7,"t":"2037-09-17T12:10:00Z","terrain":0.32},{"above_terrain":false,"airmass":null,"alt":-26.42,"az":287.6,"t":"2037-09-17T12:15:00Z","terrain":0.25},{"above_terrain":false,"airmass":null,"alt":-27.31,"az":288.6,"t":"2037-09-17T12:20:00Z","terrain":0.18},{"above_terrain":false,"airmass":null,"alt":-28.19,"az":289.6,"t":"2037-09-17T12:25:00Z","terrain":0.25},{"above_terrain":false,"airmass":null,"alt":-29.07,"az":290.6,"t":"2037-09-17T12:30:00Z","terrain":0.41},{"above_terrain":false,"airmass":null,"alt":-29.94,"az":291.6,"t":"2037-09-17T12:35:00Z","terrain":0.53},{"above_terrain":false,"airmass":null,"alt":-30.81,"az":292.7,"t":"2037-09-17T12:40:00Z","terrain":0.37},{"above_terrain":false,"airmass":null,"alt":-31.67,"az":293.7,"t":"2037-09-17T12:45:00Z","terrain":0.26},{"above_terrain":false,"airmass":null,"alt":-32.52,"az":294.8,"t":"2037-09-17T12:50:00Z","terrain":0.23},{"above_terrain":false,"airmass":null,"alt":-33.37,"az":295.9,"t":"2037-09-17T12:55:00Z","terrain":0.32},{"above_terrain":false,"airmass":null,"alt":-34.21,"az":297.0,"t":"2037-09-17T13:00:00Z","terrain":0.26},{"above_terrain":false,"airmass":null,"alt":-35.04,"az":298.1,"t":"2037-09-17T13:05:00Z","terrain":0.13},{"above_terrain":false,"airmass":null,"alt":-35.86,"az":299.3,"t":"2037-09-17T13:10:00Z","terrain":0.23},{"above_terrain":false,"airmass":null,"alt":-36.67,"az":300.5,"t":"2037-09-17T13:15:00Z","terrain":0.35},{"above_terrain":false,"airmass":null,"alt":-37.47,"az":301.7,"t":"2037-09-17T13:20:00Z","terrain":0.16},{"above_terrain":false,"airmass":null,"alt":-38.26,"az":302.9,"t":"2037-09-17T13:25:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-39.04,"az":304.1,"t":"2037-09-17T13:30:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-39.81,"az":305.4,"t":"2037-09-17T13:35:00Z","terrain":-0.24},{"above_terrain":false,"airmass":null,"alt":-40.57,"az":306.7,"t":"2037-09-17T13:40:00Z","terrain":0.08},{"above_terrain":false,"airmass":null,"alt":-41.31,"az":308.0,"t":"2037-09-17T13:45:00Z","terrain":0.31},{"above_terrain":false,"airmass":null,"alt":-42.04,"az":309.4,"t":"2037-09-17T13:50:00Z","terrain":0.19},{"above_terrain":false,"airmass":null,"alt":-42.76,"az":310.8,"t":"2037-09-17T13:55:00Z","terrain":0.33},{"above_terrain":false,"airmass":null,"alt":-43.46,"az":312.2,"t":"2037-09-17T14:00:00Z","terrain":0.16},{"above_terrain":false,"airmass":null,"alt":-44.15,"az":313.6,"t":"2037-09-17T14:05:00Z","terrain":0.4},{"above_terrain":false,"airmass":null,"alt":-44.82,"az":315.1,"t":"2037-09-17T14:10:00Z","terrain":0.55},{"above_terrain":false,"airmass":null,"alt":-45.47,"az":316.6,"t":"2037-09-17T14:15:00Z","terrain":0.37},{"above_terrain":false,"airmass":null,"alt":-46.1,"az":318.2,"t":"2037-09-17T14:20:00Z","terrain":0.25},{"above_terrain":false,"airmass":null,"alt":-46.72,"az":319.7,"t":"2037-09-17T14:25:00Z","terrain":-0.18},{"above_terrain":false,"airmass":null,"alt":-47.31,"az":321.3,"t":"2037-09-17T14:30:00Z","terrain":-0.06},{"above_terrain":false,"airmass":null,"alt":-47.88,"az":323.0,"t":"2037-09-17T14:35:00Z","terrain":0.08},{"above_terrain":false,"airmass":null,"alt":-48.44,"az":324.7,"t":"2037-09-17T14:40:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-48.97,"az":326.4,"t":"2037-09-17T14:45:00Z","terrain":-0.3},{"above_terrain":false,"airmass":null,"alt":-49.47,"az":328.1,"t":"2037-09-17T14:50:00Z","terrain":-0.22},{"above_terrain":false,"airmass":null,"alt":-49.95,"az":329.9,"t":"2037-09-17T14:55:00Z","terrain":-0.33},{"above_terrain":false,"airmass":null,"alt":-50.41,"az":331.7,"t":"2037-09-17T15:00:00Z","terrain":-0.21},{"above_terrain":false,"airmass":null,"alt":-50.84,"az":333.6,"t":"2037-09-17T15:05:00Z","terrain":-0.18},{"above_terrain":false,"airmass":null,"alt":-51.24,"az":335.4,"t":"2037-09-17T15:10:00Z","terrain":-0.7},{"above_terrain":false,"airmass":null,"alt":-51.62,"az":337.4,"t":"2037-09-17T15:15:00Z","terrain":-0.64},{"above_terrain":false,"airmass":null,"alt":-51.96,"az":339.3,"t":"2037-09-17T15:20:00Z","terrain":-0.69},{"above_terrain":false,"airmass":null,"alt":-52.28,"az":341.3,"t":"2037-09-17T15:25:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-52.57,"az":343.3,"t":"2037-09-17T15:30:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-52.82,"az":345.3,"t":"2037-09-17T15:35:00Z","terrain":-0.44},{"above_terrain":false,"airmass":null,"alt":-53.04,"az":347.3,"t":"2037-09-17T15:40:00Z","terrain":-0.33},{"above_terrain":false,"airmass":null,"alt":-53.23,"az":349.4,"t":"2037-09-17T15:45:00Z","terrain":0.05},{"above_terrain":false,"airmass":null,"alt":-53.39,"az":351.4,"t":"2037-09-17T15:50:00Z","terrain":0.2},{"above_terrain":false,"airmass":null,"alt":-53.51,"az":353.5,"t":"2037-09-17T15:55:00Z","terrain":0.56},{"above_terrain":false,"airmass":null,"alt":-53.6,"az":355.6,"t":"2037-09-17T16:00:00Z","terrain":0.7},{"above_terrain":false,"airmass":null,"alt":-53.65,"az":357.7,"t":"2037-09-17T16:05:00Z","terrain":0.66},{"above_terrain":false,"airmass":null,"alt":-53.67,"az":359.8,"t":"2037-09-17T16:10:00Z","terrain":0.52},{"above_terrain":false,"airmass":null,"alt":-53.66,"az":1.9,"t":"2037-09-17T16:15:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-53.61,"az":4.0,"t":"2037-09-17T16:20:00Z","terrain":-0.28},{"above_terrain":false,"airmass":null,"alt":-53.53,"az":6.1,"t":"2037-09-17T16:25:00Z","terrain":-0.57},{"above_terrain":false,"airmass":null,"alt":-53.41,"az":8.2,"t":"2037-09-17T16:30:00Z","terrain":-0.46},{"above_terrain":false,"airmass":null,"alt":-53.26,"az":10.3,"t":"2037-09-17T16:35:00Z","terrain":-0.54},{"above_terrain":false,"airmass":null,"alt":-53.08,"az":12.3,"t":"2037-09-17T16:40:00Z","terrain":-0.14},{"above_terrain":false,"airmass":null,"alt":-52.86,"az":14.4,"t":"2037-09-17T16:45:00Z","terrain":0.21},{"above_terrain":false,"airmass":null,"alt":-52.61,"az":16.4,"t":"2037-09-17T16:50:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-52.33,"az":18.4,"t":"2037-09-17T16:55:00Z","terrain":0.57},{"above_terrain":false,"airmass":null,"alt":-52.02,"az":20.4,"t":"2037-09-17T17:00:00Z","terrain":0.68},{"above_terrain":false,"airmass":null,"alt":-51.68,"az":22.3,"t":"2037-09-17T17:05:00Z","terrain":1.04},{"above_terrain":false,"airmass":null,"alt":-51.31,"az":24.2,"t":"2037-09-17T17:10:00Z","terrain":0.99},{"above_terrain":false,"airmass":null,"alt":-50.91,"az":26.1,"t":"2037-09-17T17:15:00Z","terrain":1.33},{"above_terrain":false,"airmass":null,"alt":-50.49,"az":28.0,"t":"2037-09-17T17:20:00Z","terrain":1.19},{"above_terrain":false,"airmass":null,"alt":-50.03,"az":29.8,"t":"2037-09-17T17:25:00Z","terrain":1.12},{"above_terrain":false,"airmass":null,"alt":-49.56,"az":31.6,"t":"2037-09-17T17:30:00Z","terrain":1.32},{"above_terrain":false,"airmass":null,"alt":-49.05,"az":33.3,"t":"2037-09-17T17:35:00Z","terrain":0.81},{"above_terrain":false,"airmass":null,"alt":-48.53,"az":35.0,"t":"2037-09-17T17:40:00Z","terrain":0.05},{"above_terrain":false,"airmass":null,"alt":-47.98,"az":36.7,"t":"2037-09-17T17:45:00Z","terrain":-0.06},{"above_terrain":false,"airmass":null,"alt":-47.41,"az":38.4,"t":"2037-09-17T17:50:00Z","terrain":-0.19},{"above_terrain":false,"airmass":null,"alt":-46.82,"az":40.0,"t":"2037-09-17T17:55:00Z","terrain":-0.05},{"above_terrain":false,"airmass":null,"alt":-46.21,"az":41.6,"t":"2037-09-17T18:00:00Z","terrain":0.08},{"above_terrain":false,"airmass":null,"alt":-45.58,"az":43.1,"t":"2037-09-17T18:05:00Z","terrain":0.27},{"above_terrain":false,"airmass":null,"alt":-44.93,"az":44.6,"t":"2037-09-17T18:10:00Z","terrain":0.52},{"above_terrain":false,"airmass":null,"alt":-44.26,"az":46.1,"t":"2037-09-17T18:15:00Z","terrain":0.66},{"above_terrain":false,"airmass":null,"alt":-43.58,"az":47.6,"t":"2037-09-17T18:20:00Z","terrain":0.56},{"above_terrain":false,"airmass":null,"alt":-42.88,"az":49.0,"t":"2037-09-17T18:25:00Z","terrain":0.41},{"above_terrain":false,"airmass":null,"alt":-42.17,"az":50.4,"t":"2037-09-17T18:30:00Z","terrain":0.45},{"above_terrain":false,"airmass":null,"alt":-41.44,"az":51.7,"t":"2037-09-17T18:35:00Z","terrain":0.6},{"above_terrain":false,"airmass":null,"alt":-40.7,"az":53.1,"t":"2037-09-17T18:40:00Z","terrain":0.85},{"above_terrain":false,"airmass":null,"alt":-39.94,"az":54.4,"t":"2037-09-17T18:45:00Z","terrain":1.03},{"above_terrain":false,"airmass":null,"alt":-39.17,"az":55.6,"t":"2037-09-17T18:50:00Z","terrain":1.06},{"above_terrain":false,"airmass":null,"alt":-38.4,"az":56.9,"t":"2037-09-17T18:55:00Z","terrain":1.07},{"above_terrain":false,"airmass":null,"alt":-37.61,"az":58.1,"t":"2037-09-17T19:00:00Z","terrain":1.24},{"above_terrain":false,"airmass":null,"alt":-36.81,"az":59.3,"t":"2037-09-17T19:05:00Z","terrain":1.2},{"above_terrain":false,"airmass":null,"alt":-36.0,"az":60.5,"t":"2037-09-17T19:10:00Z","terrain":1.13},{"above_terrain":false,"airmass":null,"alt":-35.18,"az":61.7,"t":"2037-09-17T19:15:00Z","terrain":1.04},{"above_terrain":false,"airmass":null,"alt":-34.35,"az":62.8,"t":"2037-09-17T19:20:00Z","terrain":0.93},{"above_terrain":false,"airmass":null,"alt":-33.51,"az":63.9,"t":"2037-09-17T19:25:00Z","terrain":0.78},{"above_terrain":false,"airmass":null,"alt":-32.67,"az":65.0,"t":"2037-09-17T19:30:00Z","terrain":0.77},{"above_terrain":false,"airmass":null,"alt":-31.82,"az":66.1,"t":"2037-09-17T19:35:00Z","terrain":0.84},{"above_terrain":false,"airmass":null,"alt":-30.96,"az":67.2,"t":"2037-09-17T19:40:00Z","terrain":0.94},{"above_terrain":false,"airmass":null,"alt":-30.09,"az":68.2,"t":"2037-09-17T19:45:00Z","terrain":1.0},{"above_terrain":false,"airmass":null,"alt":-29.22,"az":69.2,"t":"2037-09-17T19:50:00Z","terrain":1.09},{"above_terrain":false,"airmass":null,"alt":-28.34,"az":70.2,"t":"2037-09-17T19:55:00Z","terrain":1.23},{"above_terrain":false,"airmass":null,"alt":-27.46,"az":71.2,"t":"2037-09-17T20:00:00Z","terrain":1.25},{"above_terrain":false,"airmass":null,"alt":-26.57,"az":72.2,"t":"2037-09-17T20:05:00Z","terrain":1.15},{"above_terrain":false,"airmass":null,"alt":-25.68,"az":73.2,"t":"2037-09-17T20:10:00Z","terrain":0.94},{"above_terrain":false,"airmass":null,"alt":-24.78,"az":74.1,"t":"2037-09-17T20:15:00Z","terrain":0.72},{"above_terrain":false,"airmass":null,"alt":-23.87,"az":75.1,"t":"2037-09-17T20:20:00Z","terrain":0.64},{"above_terrain":false,"airmass":null,"alt":-22.97,"az":76.0,"t":"2037-09-17T20:25:00Z","terrain":0.72},{"above_terrain":false,"airmass":null,"alt":-22.06,"az":76.9,"t":"2037-09-17T20:30:00Z","terrain":0.7},{"above_terrain":false,"airmass":null,"alt":-21.14,"az":77.9,"t":"2037-09-17T20:35:00Z","terrain":0.64},{"above_terrain":false,"airmass":null,"alt":-20.23,"az":78.8,"t":"2037-09-17T20:40:00Z","terrain":0.58},{"above_terrain":false,"airmass":null,"alt":-19.31,"az":79.7,"t":"2037-09-17T20:45:00Z","terrain":0.5},{"above_terrain":false,"airmass":null,"alt":-18.39,"az":80.6,"t":"2037-09-17T20:50:00Z","terrain":0.58},{"above_terrain":false,"airmass":null,"alt":-17.46,"az":81.4,"t":"2037-09-17T20:55:00Z","terrain":0.73},{"above_terrain":false,"airmass":null,"alt":-16.54,"az":82.3,"t":"2037-09-17T21:00:00Z","terrain":0.7},{"above_terrain":false,"airmass":null,"alt":-15.61,"az":83.2,"t":"2037-09-17T21:05:00Z","terrain":0.45},{"above_terrain":false,"airmass":null,"alt":-14.68,"az":84.0,"t":"2037-09-17T21:10:00Z","terrain":0.38},{"above_terrain":false,"airmass":null,"alt":-13.75,"az":84.9,"t":"2037-09-17T21:15:00Z","terrain":0.31},{"above_terrain":false,"airmass":null,"alt":-12.81,"az":85.7,"t":"2037-09-17T21:20:00Z","terrain":0.2},{"above_terrain":false,"airmass":null,"alt":-11.88,"az":86.6,"t":"2037-09-17T21:25:00Z","terrain":0.11},{"above_terrain":false,"airmass":null,"alt":-10.94,"az":87.4,"t":"2037-09-17T21:30:00Z","terrain":0.01},{"above_terrain":false,"airmass":null,"alt":-10.01,"az":88.3,"t":"2037-09-17T21:35:00Z","terrain":-0.11},{"above_terrain":false,"airmass":null,"alt":-9.07,"az":89.1,"t":"2037-09-17T21:40:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-8.14,"az":90.0,"t":"2037-09-17T21:45:00Z","terrain":-0.22},{"above_terrain":false,"airmass":null,"alt":-7.2,"az":90.8,"t":"2037-09-17T21:50:00Z","terrain":-0.12},{"above_terrain":false,"airmass":null,"alt":-6.27,"az":91.6,"t":"2037-09-17T21:55:00Z","terrain":0.03},{"above_terrain":false,"airmass":null,"alt":-5.33,"az":92.4,"t":"2037-09-17T22:00:00Z","terrain":0.2},{"above_terrain":false,"airmass":null,"alt":-4.4,"az":93.3,"t":"2037-09-17T22:05:00Z","terrain":0.35},{"above_terrain":false,"airmass":null,"alt":-3.46,"az":94.1,"t":"2037-09-17T22:10:00Z","terrain":0.41},{"above_terrain":false,"airmass":null,"alt":-2.53,"az":94.9,"t":"2037-09-17T22:15:00Z","terrain":0.38},{"above_terrain":false,"airmass":null,"alt":-1.6,"az":95.8,"t":"2037-09-17T22:20:00Z","terrain":0.51},{"above_terrain":false,"airmass":null,"alt":-0.67,"az":96.6,"t":"2037-09-17T22:25:00Z","terrain":0.66},{"above_terrain":false,"airmass":34.25,"alt":0.26,"az":97.4,"t":"2037-09-17T22:30:00Z","terrain":0.71},{"above_terrain":true,"airmass":24.72,"alt":1.19,"az":98.3,"t":"2037-09-17T22:35:00Z","terrain":0.63},{"above_terrain":true,"airmass":18.84,"alt":2.12,"az":99.1,"t":"2037-09-17T22:40:00Z","terrain":0.46},{"above_terrain":true,"airmass":15.02,"alt":3.04,"az":99.9,"t":"2037-09-17T22:45:00Z","terrain":0.28},{"above_terrain":true,"airmass":12.4,"alt":3.96,"az":100.8,"t":"2037-09-17T22:50:00Z","terrain":0.12},{"above_terrain":true,"airmass":10.52,"alt":4.88,"az":101.6,"t":"2037-09-17T22:55:00Z","terrain":0.0},{"above_terrain":true,"airmass":9.11,"alt":5.79,"az":102.5,"t":"2037-09-17T23:00:00Z","terrain":-0.13},{"above_terrain":true,"airmass":8.03,"alt":6.7,"az":103.3,"t":"2037-09-17T23:05:00Z","terrain":-0.14},{"above_terrain":true,"airmass":7.17,"alt":7.61,"az":104.2,"t":"2037-09-17T23:10:00Z","terrain":-0.04},{"above_terrain":true,"airmass":6.48,"alt":8.52,"az":105.1,"t":"2037-09-17T23:15:00Z","terrain":-0.24},{"above_terrain":true,"airmass":5.9,"alt":9.42,"az":105.9,"t":"2037-09-17T23:20:00Z","terrain":-0.62},{"above_terrain":true,"airmass":5.43,"alt":10.32,"az":106.8,"t":"2037-09-17T23:25:00Z","terrain":-0.62},{"above_terrain":true,"airmass":5.02,"alt":11.21,"az":107.7,"t":"2037-09-17T23:30:00Z","terrain":-0.84},{"above_terrain":true,"airmass":4.67,"alt":12.1,"az":108.6,"t":"2037-09-17T23:35:00Z","terrain":-1.09},{"above_terrain":true,"airmass":4.37,"alt":12.99,"az":109.5,"t":"2037-09-17T23:40:00Z","terrain":-1.17},{"above_terrain":true,"airmass":4.11,"alt":13.87,"az":110.4,"t":"2037-09-17T23:45:00Z","terrain":-1.23},{"above_terrain":true,"airmass":3.88,"alt":14.74,"az":111.3,"t":"2037-09-17T23:50:00Z","terrain":-1.35},{"above_terrain":true,"airmass":3.67,"alt":15.61,"az":112.3,"t":"2037-09-17T23:55:00Z","terrain":-1.4},{"above_terrain":true,"airmass":3.49,"alt":16.47,"az":113.2,"t":"2037-09-18T00:00:00Z","terrain":-1.48},{"above_terrain":true,"airmass":3.32,"alt":17.33,"az":114.2,"t":"2037-09-18T00:05:00Z","terrain":-1.6},{"above_terrain":true,"airmass":3.18,"alt":18.18,"az":115.1,"t":"2037-09-18T00:10:00Z","terrain":-1.51},{"above_terrain":true,"airmass":3.04,"alt":19.03,"az":116.1,"t":"2037-09-18T00:15:00Z","terrain":-1.48},{"above_terrain":true,"airmass":2.92,"alt":19.86,"az":117.1,"t":"2037-09-18T00:20:00Z","terrain":-1.62},{"above_terrain":true,"airmass":2.81,"alt":20.69,"az":118.1,"t":"2037-09-18T00:25:00Z","terrain":-1.42},{"above_terrain":true,"airmass":2.71,"alt":21.51,"az":119.1,"t":"2037-09-18T00:30:00Z","terrain":-1.47},{"above_terrain":true,"airmass":2.62,"alt":22.33,"az":120.1,"t":"2037-09-18T00:35:00Z","terrain":-1.24},{"above_terrain":true,"airmass":2.53,"alt":23.13,"az":121.1,"t":"2037-09-18T00:40:00Z","terrain":-1.24},{"above_terrain":true,"airmass":2.45,"alt":23.93,"az":122.2,"t":"2037-09-18T00:45:00Z","terrain":-1.22},{"above_terrain":true,"airmass":2.38,"alt":24.72,"az":123.2,"t":"2037-09-18T00:50:00Z","terrain":-1.41},{"above_terrain":true,"airmass":2.31,"alt":25.5,"az":124.3,"t":"2037-09-18T00:55:00Z","terrain":-1.53},{"above_terrain":true,"airmass":2.25,"alt":26.26,"az":125.4,"t":"2037-09-18T01:00:00Z","terrain":-1.62},{"above_terrain":true,"airmass":2.19,"alt":27.02,"az":126.5,"t":"2037-09-18T01:05:00Z","terrain":-1.57},{"above_terrain":true,"airmass":2.14,"alt":27.77,"az":127.6,"t":"2037-09-18T01:10:00Z","terrain":-1.46},{"above_terrain":true,"airmass":2.09,"alt":28.5,"az":128.8,"t":"2037-09-18T01:15:00Z","terrain":-1.2},{"above_terrain":true,"airmass":2.04,"alt":29.23,"az":129.9,"t":"2037-09-18T01:20:00Z","terrain":-1.52},{"above_terrain":true,"airmass":2.0,"alt":29.94,"az":131.1,"t":"2037-09-18T01:25:00Z","terrain":-1.68},{"above_terrain":true,"airmass":1.96,"alt":30.64,"az":132.3,"t":"2037-09-18T01:30:00Z","terrain":-1.65},{"above_terrain":true,"airmass":1.92,"alt":31.32,"az":133.5,"t":"2037-09-18T01:35:00Z","terrain":-1.6},{"above_terrain":true,"airmass":1.88,"alt":32.0,"az":134.8,"t":"2037-09-18T01:40:00Z","terrain":-1.36},{"above_terrain":true,"airmass":1.85,"alt":32.65,"az":136.0,"t":"2037-09-18T01:45:00Z","terrain":-1.19},{"above_terrain":true,"airmass":1.82,"alt":33.3,"az":137.3,"t":"2037-09-18T01:50:00Z","terrain":-1.2},{"above_terrain":true,"airmass":1.79,"alt":33.92,"az":138.6,"t":"2037-09-18T01:55:00Z","terrain":-1.25},{"above_terrain":true,"airmass":1.76,"alt":34.53,"az":139.9,"t":"2037-09-18T02:00:00Z","terrain":-1.33},{"above_terrain":true,"airmass":1.73,"alt":35.13,"az":141.2,"t":"2037-09-18T02:05:00Z","terrain":-1.15},{"above_terrain":true,"airmass":1.71,"alt":35.7,"az":142.6,"t":"2037-09-18T02:10:00Z","terrain":-1.35},{"above_terrain":true,"airmass":1.69,"alt":36.26,"az":144.0,"t":"2037-09-18T02:15:00Z","terrain":-1.33},{"above_terrain":true,"airmass":1.67,"alt":36.81,"az":145.4,"t":"2037-09-18T02:20:00Z","terrain":-1.5},{"above_terrain":true,"airmass":1.65,"alt":37.33,"az":146.8,"t":"2037-09-18T02:25:00Z","terrain":-1.34},{"above_terrain":true,"airmass":1.63,"alt":37.83,"az":148.2,"t":"2037-09-18T02:30:00Z","terrain":-1.44},{"above_terrain":true,"airmass":1.61,"alt":38.31,"az":149.7,"t":"2037-09-18T02:35:00Z","terrain":-1.26},{"above_terrain":true,"airmass":1.59,"alt":38.77,"az":151.2,"t":"2037-09-18T02:40:00Z","terrain":-1.23},{"above_terrain":true,"airmass":1.58,"alt":39.22,"az":152.7,"t":"2037-09-18T02:45:00Z","terrain":-1.03},{"above_terrain":true,"airmass":1.57,"alt":39.63,"az":154.2,"t":"2037-09-18T02:50:00Z","terrain":-1.05},{"above_terrain":true,"airmass":1.55,"alt":40.03,"az":155.7,"t":"2037-09-18T02:55:00Z","terrain":-1.21},{"above_terrain":true,"airmass":1.54,"alt":40.4,"az":157.3,"t":"2037-09-18T03:00:00Z","terrain":-1.08},{"above_terrain":true,"airmass":1.53,"alt":40.75,"az":158.9,"t":"2037-09-18T03:05:00Z","terrain":-1.31},{"above_terrain":true,"airmass":1.52,"alt":41.08,"az":160.5,"t":"2037-09-18T03:10:00Z","terrain":-1.03},{"above_terrain":true,"airmass":1.51,"alt":41.38,"az":162.1,"t":"2037-09-18T03:15:00Z","terrain":-1.37},{"above_terrain":true,"airmass":1.5,"alt":41.65,"az":163.7,"t":"2037-09-18T03:20:00Z","terrain":-1.48},{"above_terrain":true,"airmass":1.5,"alt":41.9,"az":165.4,"t":"2037-09-18T03:25:00Z","terrain":-1.34},{"above_terrain":true,"airmass":1.49,"alt":42.12,"az":167.0,"t":"2037-09-18T03:30:00Z","terrain":-1.17},{"above_terrain":true,"airmass":1.48,"alt":42.32,"az":168.7,"t":"2037-09-18T03:35:00Z","terrain":-0.86},{"above_terrain":true,"airmass":1.48,"alt":42.49,"az":170.3,"t":"2037-09-18T03:40:00Z","terrain":-0.61},{"above_terrain":true,"airmass":1.47,"alt":42.64,"az":172.0,"t":"2037-09-18T03:45:00Z","terrain":-0.58},{"above_terrain":true,"airmass":1.47,"alt":42.75,"az":173.7,"t":"2037-09-18T03:50:00Z","terrain":-0.42},{"above_terrain":true,"airmass":1.47,"alt":42.84,"az":175.4,"t":"2037-09-18T03:55:00Z","terrain":-0.44},{"above_terrain":true,"airmass":1.47,"alt":42.9,"az":177.1,"t":"2037-09-18T04:00:00Z","terrain":-0.37},{"above_terrain":true,"airmass":1.47,"alt":42.93,"az":178.8,"t":"2037-09-18T04:05:00Z","terrain":-0.41},{"above_terrain":true,"airmass":1.47,"alt":42.94,"az":180.5,"t":"2037-09-18T04:10:00Z","terrain":-0.58},{"above_terrain":true,"airmass":1.47,"alt":42.92,"az":182.2,"t":"2037-09-18T04:15:00Z","terrain":-0.66},{"above_terrain":true,"airmass":1.47,"alt":42.87,"az":183.9,"t":"2037-09-18T04:20:00Z","terrain":-0.6},{"above_terrain":true,"airmass":1.47,"alt":42.79,"az":185.6,"t":"2037-09-18T04:25:00Z","terrain":-0.68},{"above_terrain":true,"airmass":1.47,"alt":42.68,"az":187.3,"t":"2037-09-18T04:30:00Z","terrain":-0.63},{"above_terrain":true,"airmass":1.48,"alt":42.55,"az":189.0,"t":"2037-09-18T04:35:00Z","terrain":-0.59},{"above_terrain":true,"airmass":1.48,"alt":42.39,"az":190.7,"t":"2037-09-18T04:40:00Z","terrain":-0.49},{"above_terrain":true,"airmass":1.49,"alt":42.2,"az":192.4,"t":"2037-09-18T04:45:00Z","terrain":-0.42},{"above_terrain":true,"airmass":1.49,"alt":41.99,"az":194.0,"t":"2037-09-18T04:50:00Z","terrain":-0.49},{"above_terrain":true,"airmass":1.5,"alt":41.75,"az":195.7,"t":"2037-09-18T04:55:00Z","terrain":-0.57},{"above_terrain":true,"airmass":1.51,"alt":41.48,"az":197.3,"t":"2037-09-18T05:00:00Z","terrain":-0.41},{"above_terrain":true,"airmass":1.52,"alt":41.19,"az":198.9,"t":"2037-09-18T05:05:00Z","terrain":-0.33},{"above_terrain":true,"airmass":1.53,"alt":40.88,"az":200.5,"t":"2037-09-18T05:10:00Z","terrain":-0.39},{"above_terrain":true,"airmass":1.54,"alt":40.54,"az":202.1,"t":"2037-09-18T05:15:00Z","terrain":-0.5},{"above_terrain":true,"airmass":1.55,"alt":40.17,"az":203.7,"t":"2037-09-18T05:20:00Z","terrain":-0.59},{"above_terrain":true,"airmass":1.56,"alt":39.79,"az":205.2,"t":"2037-09-18T05:25:00Z","terrain":-0.13},{"above_terrain":true,"airmass":1.57,"alt":39.38,"az":206.7,"t":"2037-09-18T05:30:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.59,"alt":38.95,"az":208.2,"t":"2037-09-18T05:35:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.6,"alt":38.49,"az":209.7,"t":"2037-09-18T05:40:00Z","terrain":0.56},{"above_terrain":true,"airmass":1.62,"alt":38.02,"az":211.2,"t":"2037-09-18T05:45:00Z","terrain":0.74},{"above_terrain":true,"airmass":1.64,"alt":37.52,"az":212.7,"t":"2037-09-18T05:50:00Z","terrain":0.47},{"above_terrain":true,"airmass":1.66,"alt":37.01,"az":214.1,"t":"2037-09-18T05:55:00Z","terrain":0.66},{"above_terrain":true,"airmass":1.68,"alt":36.47,"az":215.5,"t":"2037-09-18T06:00:00Z","terrain":0.65},{"above_terrain":true,"airmass":1.7,"alt":35.92,"az":216.9,"t":"2037-09-18T06:05:00Z","terrain":0.98},{"above_terrain":true,"airmass":1.72,"alt":35.35,"az":218.2,"t":"2037-09-18T06:10:00Z","terrain":1.26},{"above_terrain":true,"airmass":1.75,"alt":34.76,"az":219.6,"t":"2037-09-18T06:15:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.78,"alt":34.16,"az":220.9,"t":"2037-09-18T06:20:00Z","terrain":1.14},{"above_terrain":true,"airmass":1.81,"alt":33.54,"az":222.2,"t":"2037-09-18T06:25:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.84,"alt":32.9,"az":223.5,"t":"2037-09-18T06:30:00Z","terrain":0.52},{"above_terrain":true,"airmass":1.87,"alt":32.25,"az":224.8,"t":"2037-09-18T06:35:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.9,"alt":31.58,"az":226.0,"t":"2037-09-18T06:40:00Z","terrain":0.6},{"above_terrain":true,"airmass":1.94,"alt":30.9,"az":227.2,"t":"2037-09-18T06:45:00Z","terrain":1.02},{"above_terrain":true,"airmass":1.98,"alt":30.21,"az":228.4,"t":"2037-09-18T06:50:00Z","terrain":1.21},{"above_terrain":true,"airmass":2.02,"alt":29.5,"az":229.6,"t":"2037-09-18T06:55:00Z","terrain":1.21},{"above_terrain":true,"airmass":2.07,"alt":28.78,"az":230.8,"t":"2037-09-18T07:00:00Z","terrain":0.94},{"above_terrain":true,"airmass":2.12,"alt":28.05,"az":231.9,"t":"2037-09-18T07:05:00Z","terrain":0.89},{"above_terrain":true,"airmass":2.17,"alt":27.31,"az":233.1,"t":"2037-09-18T07:10:00Z","terrain":0.81},{"above_terrain":true,"airmass":2.23,"alt":26.56,"az":234.2,"t":"2037-09-18T07:15:00Z","terrain":0.84},{"above_terrain":true,"airmass":2.29,"alt":25.79,"az":235.3,"t":"2037-09-18T07:20:00Z","terrain":0.92},{"above_terrain":true,"airmass":2.35,"alt":25.02,"az":236.4,"t":"2037-09-18T07:25:00Z","terrain":0.8},{"above_terrain":true,"airmass":2.43,"alt":24.23,"az":237.4,"t":"2037-09-18T07:30:00Z","terrain":0.82},{"above_terrain":true,"airmass":2.5,"alt":23.44,"az":238.5,"t":"2037-09-18T07:35:00Z","terrain":0.65},{"above_terrain":true,"airmass":2.58,"alt":22.64,"az":239.5,"t":"2037-09-18T07:40:00Z","terrain":0.66},{"above_terrain":true,"airmass":2.67,"alt":21.83,"az":240.6,"t":"2037-09-18T07:45:00Z","terrain":0.77},{"above_terrain":true,"airmass":2.77,"alt":21.01,"az":241.6,"t":"2037-09-18T07:50:00Z","terrain":0.91},{"above_terrain":true,"airmass":2.88,"alt":20.18,"az":242.6,"t":"2037-09-18T07:55:00Z","terrain":1.02},{"above_terrain":true,"airmass":3.0,"alt":19.35,"az":243.5,"t":"2037-09-18T08:00:00Z","terrain":0.97},{"above_terrain":true,"airmass":3.12,"alt":18.51,"az":244.5,"t":"2037-09-18T08:05:00Z","terrain":0.97},{"above_terrain":true,"airmass":3.27,"alt":17.66,"az":245.5,"t":"2037-09-18T08:10:00Z","terrain":1.08},{"above_terrain":true,"airmass":3.42,"alt":16.8,"az":246.4,"t":"2037-09-18T08:15:00Z","terrain":1.11},{"above_terrain":true,"airmass":3.6,"alt":15.94,"az":247.4,"t":"2037-09-18T08:20:00Z","terrain":0.85},{"above_terrain":true,"airmass":3.8,"alt":15.07,"az":248.3,"t":"2037-09-18T08:25:00Z","terrain":0.55},{"above_terrain":true,"airmass":4.02,"alt":14.2,"az":249.2,"t":"2037-09-18T08:30:00Z","terrain":0.51},{"above_terrain":true,"airmass":4.27,"alt":13.32,"az":250.1,"t":"2037-09-18T08:35:00Z","terrain":0.58},{"above_terrain":true,"airmass":4.55,"alt":12.44,"az":251.0,"t":"2037-09-18T08:40:00Z","terrain":0.53},{"above_terrain":true,"airmass":4.88,"alt":11.55,"az":251.9,"t":"2037-09-18T08:45:00Z","terrain":0.23},{"above_terrain":true,"airmass":5.26,"alt":10.66,"az":252.8,"t":"2037-09-18T08:50:00Z","terrain":0.18},{"above_terrain":true,"airmass":5.71,"alt":9.77,"az":253.7,"t":"2037-09-18T08:55:00Z","terrain":0.17},{"above_terrain":true,"airmass":6.24,"alt":8.86,"az":254.6,"t":"2037-09-18T09:00:00Z","terrain":0.21}],"transit":{"airmass":1.47,"alt":42.9,"az":180.5,"t":"2037-09-18T04:10:00Z"},"usable_hours":2.17,"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."]}
