{"assessment":{"best_window":{"end":"2035-12-19T04:05Z","end_local":"06:05","hours":2.83,"label":"marginal","mean_quality":0.41,"start":"2035-12-19T01:15Z","start_local":"03:15"},"cost":{"altitude":9.28,"clouds":0.0,"darkness":1.2,"moon":1.51},"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 barely \u2014 weather unknown","hourly":[{"alt":-38,"cloud":null,"high":null,"iso":"2035-12-18T15:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-32,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"17:00","wind":null},{"alt":-44,"cloud":null,"high":null,"iso":"2035-12-18T16:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-27,"precip":null,"q":0.0,"rh":null,"sky":"astronomical twilight","temp":null,"time":"18:00","wind":null},{"alt":-46,"cloud":null,"high":null,"iso":"2035-12-18T17:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-20,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"19:00","wind":null},{"alt":-45,"cloud":null,"high":null,"iso":"2035-12-18T18:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-12,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"20:00","wind":null},{"alt":-39,"cloud":null,"high":null,"iso":"2035-12-18T19:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-2,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"21:00","wind":null},{"alt":-31,"cloud":null,"high":null,"iso":"2035-12-18T20:00Z","label":"unusable","low":null,"mid":null,"moon_alt":8,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"22:00","wind":null},{"alt":-21,"cloud":null,"high":null,"iso":"2035-12-18T21:00Z","label":"unusable","low":null,"mid":null,"moon_alt":19,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":-10,"cloud":null,"high":null,"iso":"2035-12-18T22:00Z","label":"unusable","low":null,"mid":null,"moon_alt":30,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":1,"cloud":null,"high":null,"iso":"2035-12-18T23:00Z","label":"unusable","low":null,"mid":null,"moon_alt":40,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":12,"cloud":null,"high":null,"iso":"2035-12-19T00:00Z","label":"unusable","low":null,"mid":null,"moon_alt":50,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":23,"cloud":null,"high":null,"iso":"2035-12-19T01:00Z","label":"poor","low":null,"mid":null,"moon_alt":57,"precip":null,"q":0.25,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":33,"cloud":null,"high":null,"iso":"2035-12-19T02:00Z","label":"marginal","low":null,"mid":null,"moon_alt":61,"precip":null,"q":0.4,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":42,"cloud":null,"high":null,"iso":"2035-12-19T03:00Z","label":"marginal","low":null,"mid":null,"moon_alt":59,"precip":null,"q":0.43,"rh":null,"sky":"night","temp":null,"time":"05:00","wind":null},{"alt":48,"cloud":null,"high":null,"iso":"2035-12-19T04:00Z","label":"marginal","low":null,"mid":null,"moon_alt":53,"precip":null,"q":0.46,"rh":null,"sky":"night","temp":null,"time":"06:00","wind":null},{"alt":50,"cloud":null,"high":null,"iso":"2035-12-19T05:00Z","label":"poor","low":null,"mid":null,"moon_alt":44,"precip":null,"q":0.07,"rh":null,"sky":"nautical twilight","temp":null,"time":"07:00","wind":null}],"peak_quality":0.46,"peak_sky":0.46,"quality_hours":1.47,"reasons":["the target being low or below 20\u00b0 cost 9.3 quality-hours","moonlight cost 1.5 quality-hours","daylight and twilight cost 1.2 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":17,"score_weather":null,"sky_hours":1.47,"verdict":"unknown","verdict_astronomy":"poor","weather_known":false,"windows":[{"end":"2035-12-19T00:45Z","end_local":"02:45","hours":9.92,"label":"unusable","mean_quality":0.0,"start":"2035-12-18T14:50Z","start_local":"16:50"},{"end":"2035-12-19T01:15Z","end_local":"03:15","hours":0.5,"label":"poor","mean_quality":0.25,"start":"2035-12-19T00:45Z","start_local":"02:45"},{"end":"2035-12-19T04:05Z","end_local":"06:05","hours":2.83,"label":"marginal","mean_quality":0.41,"start":"2035-12-19T01:15Z","start_local":"03:15"},{"end":"2035-12-19T05:15Z","end_local":"07:15","hours":1.17,"label":"poor","mean_quality":0.16,"start":"2035-12-19T04:05Z","start_local":"06:05"},{"end":"2035-12-19T05:45Z","end_local":"07:45","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2035-12-19T05:15Z","start_local":"07:15"}]},"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":"2035-12-18T16:32:39Z","dark_hours":11.5,"dark_to":"2035-12-19T04:02:49Z","moon":{"illumination":0.79,"phase":"waning gibbous","waxing":false},"moon_free_dark_hours":2.65,"moonrise":"2035-12-18T19:12:50Z","moonset":"2035-12-19T09:08:17Z","sunrise":"2035-12-19T05:43:19Z","sunset":"2035-12-18T14:52:10Z","twilight":{"astronomical":{"end":"2035-12-18T16:32:39Z","start":"2035-12-19T04:02:49Z"},"civil":{"end":"2035-12-18T15:23:44Z","start":"2035-12-19T05:11:44Z"},"nautical":{"end":"2035-12-18T15:58:48Z","start":"2035-12-19T04:36:40Z"}},"window_end":"2035-12-19T10:00:00Z","window_start":"2035-12-18T10:00:00Z"},"night_date":"2035-12-18","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.35,"alt":47.8,"t":"2035-12-19T04:00:00Z"},"dec":2.05238823,"dec_of_date":1.8539,"dec_str":"+02\u00b0 03' 08.6\"","good_hours":2.33,"limit_rise":"2035-12-19T00:43:52Z","limit_set":"2035-12-19T09:19:00Z","max_az_rate_deg_per_min":0.0,"moon_separation":44.8,"never_rises":false,"ra":187.27791594,"ra_of_date":187.7378,"ra_str":"12h 29m 06.7s","resolved":{"dec":2.05238823,"morphology":"E3","name":"3C 273","ra":187.27791594,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=3C%20273","source":"sesame","type":"BLL","type_text":"BL Lac object \u2014 a blazar","vmag":14.83},"summary":"Only 2.3 h above 30\u00b0, 3.3 h above 20\u00b0 \u2014 usable, at high airmass.","terrain":{"available":true,"behind_at":"2035-12-18T11:08:53Z","blocked_dark_hours":0,"clears_at":"2035-12-18T22:55:49Z","rise_az":260.5},"track":[{"above_terrain":true,"airmass":4.29,"alt":13.24,"az":260.5,"t":"2035-12-18T10:00:00Z","terrain":0.7},{"above_terrain":true,"airmass":4.6,"alt":12.31,"az":261.4,"t":"2035-12-18T10:05:00Z","terrain":0.89},{"above_terrain":true,"airmass":4.95,"alt":11.39,"az":262.2,"t":"2035-12-18T10:10:00Z","terrain":0.94},{"above_terrain":true,"airmass":5.36,"alt":10.46,"az":263.1,"t":"2035-12-18T10:15:00Z","terrain":0.79},{"above_terrain":true,"airmass":5.84,"alt":9.53,"az":263.9,"t":"2035-12-18T10:20:00Z","terrain":0.54},{"above_terrain":true,"airmass":6.42,"alt":8.6,"az":264.8,"t":"2035-12-18T10:25:00Z","terrain":0.42},{"above_terrain":true,"airmass":7.13,"alt":7.67,"az":265.6,"t":"2035-12-18T10:30:00Z","terrain":0.44},{"above_terrain":true,"airmass":8.0,"alt":6.73,"az":266.5,"t":"2035-12-18T10:35:00Z","terrain":0.52},{"above_terrain":true,"airmass":9.1,"alt":5.8,"az":267.3,"t":"2035-12-18T10:40:00Z","terrain":0.59},{"above_terrain":true,"airmass":10.54,"alt":4.86,"az":268.1,"t":"2035-12-18T10:45:00Z","terrain":0.66},{"above_terrain":true,"airmass":12.48,"alt":3.93,"az":269.0,"t":"2035-12-18T10:50:00Z","terrain":0.75},{"above_terrain":true,"airmass":15.18,"alt":2.99,"az":269.8,"t":"2035-12-18T10:55:00Z","terrain":0.87},{"above_terrain":true,"airmass":19.14,"alt":2.06,"az":270.7,"t":"2035-12-18T11:00:00Z","terrain":0.82},{"above_terrain":true,"airmass":25.29,"alt":1.12,"az":271.5,"t":"2035-12-18T11:05:00Z","terrain":0.61},{"above_terrain":false,"airmass":35.3,"alt":0.18,"az":272.3,"t":"2035-12-18T11:10:00Z","terrain":0.33},{"above_terrain":false,"airmass":null,"alt":-0.75,"az":273.2,"t":"2035-12-18T11:15:00Z","terrain":0.11},{"above_terrain":false,"airmass":null,"alt":-1.69,"az":274.0,"t":"2035-12-18T11:20:00Z","terrain":-0.03},{"above_terrain":false,"airmass":null,"alt":-2.62,"az":274.8,"t":"2035-12-18T11:25:00Z","terrain":0.07},{"above_terrain":false,"airmass":null,"alt":-3.55,"az":275.7,"t":"2035-12-18T11:30:00Z","terrain":0.02},{"above_terrain":false,"airmass":null,"alt":-4.48,"az":276.5,"t":"2035-12-18T11:35:00Z","terrain":-0.08},{"above_terrain":false,"airmass":null,"alt":-5.41,"az":277.3,"t":"2035-12-18T11:40:00Z","terrain":-0.12},{"above_terrain":false,"airmass":null,"alt":-6.34,"az":278.2,"t":"2035-12-18T11:45:00Z","terrain":-0.07},{"above_terrain":false,"airmass":null,"alt":-7.26,"az":279.0,"t":"2035-12-18T11:50:00Z","terrain":-0.02},{"above_terrain":false,"airmass":null,"alt":-8.19,"az":279.9,"t":"2035-12-18T11:55:00Z","terrain":-0.12},{"above_terrain":false,"airmass":null,"alt":-9.11,"az":280.8,"t":"2035-12-18T12:00:00Z","terrain":-0.01},{"above_terrain":false,"airmass":null,"alt":-10.03,"az":281.6,"t":"2035-12-18T12:05:00Z","terrain":-0.07},{"above_terrain":false,"airmass":null,"alt":-10.94,"az":282.5,"t":"2035-12-18T12:10:00Z","terrain":-0.07},{"above_terrain":false,"airmass":null,"alt":-11.85,"az":283.4,"t":"2035-12-18T12:15:00Z","terrain":0.04},{"above_terrain":false,"airmass":null,"alt":-12.76,"az":284.3,"t":"2035-12-18T12:20:00Z","terrain":0.15},{"above_terrain":false,"airmass":null,"alt":-13.67,"az":285.1,"t":"2035-12-18T12:25:00Z","terrain":0.23},{"above_terrain":false,"airmass":null,"alt":-14.57,"az":286.0,"t":"2035-12-18T12:30:00Z","terrain":0.23},{"above_terrain":false,"airmass":null,"alt":-15.47,"az":286.9,"t":"2035-12-18T12:35:00Z","terrain":0.36},{"above_terrain":false,"airmass":null,"alt":-16.36,"az":287.9,"t":"2035-12-18T12:40:00Z","terrain":0.2},{"above_terrain":false,"airmass":null,"alt":-17.25,"az":288.8,"t":"2035-12-18T12:45:00Z","terrain":0.18},{"above_terrain":false,"airmass":null,"alt":-18.13,"az":289.7,"t":"2035-12-18T12:50:00Z","terrain":0.26},{"above_terrain":false,"airmass":null,"alt":-19.01,"az":290.7,"t":"2035-12-18T12:55:00Z","terrain":0.42},{"above_terrain":false,"airmass":null,"alt":-19.88,"az":291.6,"t":"2035-12-18T13:00:00Z","terrain":0.53},{"above_terrain":false,"airmass":null,"alt":-20.75,"az":292.6,"t":"2035-12-18T13:05:00Z","terrain":0.4},{"above_terrain":false,"airmass":null,"alt":-21.61,"az":293.5,"t":"2035-12-18T13:10:00Z","terrain":0.26},{"above_terrain":false,"airmass":null,"alt":-22.47,"az":294.5,"t":"2035-12-18T13:15:00Z","terrain":0.24},{"above_terrain":false,"airmass":null,"alt":-23.31,"az":295.5,"t":"2035-12-18T13:20:00Z","terrain":0.28},{"above_terrain":false,"airmass":null,"alt":-24.15,"az":296.5,"t":"2035-12-18T13:25:00Z","terrain":0.29},{"above_terrain":false,"airmass":null,"alt":-24.99,"az":297.6,"t":"2035-12-18T13:30:00Z","terrain":0.18},{"above_terrain":false,"airmass":null,"alt":-25.81,"az":298.6,"t":"2035-12-18T13:35:00Z","terrain":0.15},{"above_terrain":false,"airmass":null,"alt":-26.63,"az":299.7,"t":"2035-12-18T13:40:00Z","terrain":0.31},{"above_terrain":false,"airmass":null,"alt":-27.44,"az":300.8,"t":"2035-12-18T13:45:00Z","terrain":0.33},{"above_terrain":false,"airmass":null,"alt":-28.24,"az":301.8,"t":"2035-12-18T13:50:00Z","terrain":0.12},{"above_terrain":false,"airmass":null,"alt":-29.03,"az":303.0,"t":"2035-12-18T13:55:00Z","terrain":-0.21},{"above_terrain":false,"airmass":null,"alt":-29.81,"az":304.1,"t":"2035-12-18T14:00:00Z","terrain":-0.11},{"above_terrain":false,"airmass":null,"alt":-30.58,"az":305.2,"t":"2035-12-18T14:05:00Z","terrain":-0.26},{"above_terrain":false,"airmass":null,"alt":-31.34,"az":306.4,"t":"2035-12-18T14:10:00Z","terrain":-0.04},{"above_terrain":false,"airmass":null,"alt":-32.09,"az":307.6,"t":"2035-12-18T14:15:00Z","terrain":0.26},{"above_terrain":false,"airmass":null,"alt":-32.82,"az":308.8,"t":"2035-12-18T14:20:00Z","terrain":0.21},{"above_terrain":false,"airmass":null,"alt":-33.55,"az":310.0,"t":"2035-12-18T14:25:00Z","terrain":0.22},{"above_terrain":false,"airmass":null,"alt":-34.26,"az":311.2,"t":"2035-12-18T14:30:00Z","terrain":0.31},{"above_terrain":false,"airmass":null,"alt":-34.95,"az":312.5,"t":"2035-12-18T14:35:00Z","terrain":0.2},{"above_terrain":false,"airmass":null,"alt":-35.64,"az":313.8,"t":"2035-12-18T14:40:00Z","terrain":0.43},{"above_terrain":false,"airmass":null,"alt":-36.31,"az":315.1,"t":"2035-12-18T14:45:00Z","terrain":0.55},{"above_terrain":false,"airmass":null,"alt":-36.96,"az":316.4,"t":"2035-12-18T14:50:00Z","terrain":0.4},{"above_terrain":false,"airmass":null,"alt":-37.6,"az":317.8,"t":"2035-12-18T14:55:00Z","terrain":0.32},{"above_terrain":false,"airmass":null,"alt":-38.22,"az":319.2,"t":"2035-12-18T15:00:00Z","terrain":-0.15},{"above_terrain":false,"airmass":null,"alt":-38.82,"az":320.6,"t":"2035-12-18T15:05:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-39.41,"az":322.0,"t":"2035-12-18T15:10:00Z","terrain":0.21},{"above_terrain":false,"airmass":null,"alt":-39.97,"az":323.4,"t":"2035-12-18T15:15:00Z","terrain":-0.05},{"above_terrain":false,"airmass":null,"alt":-40.52,"az":324.9,"t":"2035-12-18T15:20:00Z","terrain":-0.19},{"above_terrain":false,"airmass":null,"alt":-41.05,"az":326.4,"t":"2035-12-18T15:25:00Z","terrain":-0.3},{"above_terrain":false,"airmass":null,"alt":-41.56,"az":327.9,"t":"2035-12-18T15:30:00Z","terrain":-0.24},{"above_terrain":false,"airmass":null,"alt":-42.04,"az":329.5,"t":"2035-12-18T15:35:00Z","terrain":-0.24},{"above_terrain":false,"airmass":null,"alt":-42.51,"az":331.1,"t":"2035-12-18T15:40:00Z","terrain":-0.37},{"above_terrain":false,"airmass":null,"alt":-42.95,"az":332.7,"t":"2035-12-18T15:45:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-43.37,"az":334.3,"t":"2035-12-18T15:50:00Z","terrain":-0.33},{"above_terrain":false,"airmass":null,"alt":-43.76,"az":335.9,"t":"2035-12-18T15:55:00Z","terrain":-0.81},{"above_terrain":false,"airmass":null,"alt":-44.13,"az":337.6,"t":"2035-12-18T16:00:00Z","terrain":-0.58},{"above_terrain":false,"airmass":null,"alt":-44.47,"az":339.3,"t":"2035-12-18T16:05:00Z","terrain":-0.69},{"above_terrain":false,"airmass":null,"alt":-44.79,"az":341.0,"t":"2035-12-18T16:10:00Z","terrain":-0.44},{"above_terrain":false,"airmass":null,"alt":-45.08,"az":342.7,"t":"2035-12-18T16:15:00Z","terrain":-0.42},{"above_terrain":false,"airmass":null,"alt":-45.35,"az":344.4,"t":"2035-12-18T16:20:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-45.59,"az":346.2,"t":"2035-12-18T16:25:00Z","terrain":-0.53},{"above_terrain":false,"airmass":null,"alt":-45.8,"az":347.9,"t":"2035-12-18T16:30:00Z","terrain":-0.15},{"above_terrain":false,"airmass":null,"alt":-45.98,"az":349.7,"t":"2035-12-18T16:35:00Z","terrain":0.1},{"above_terrain":false,"airmass":null,"alt":-46.13,"az":351.5,"t":"2035-12-18T16:40:00Z","terrain":0.21},{"above_terrain":false,"airmass":null,"alt":-46.25,"az":353.3,"t":"2035-12-18T16:45:00Z","terrain":0.54},{"above_terrain":false,"airmass":null,"alt":-46.35,"az":355.1,"t":"2035-12-18T16:50:00Z","terrain":0.64},{"above_terrain":false,"airmass":null,"alt":-46.41,"az":356.9,"t":"2035-12-18T16:55:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-46.45,"az":358.8,"t":"2035-12-18T17:00:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-46.45,"az":0.6,"t":"2035-12-18T17:05:00Z","terrain":0.42},{"above_terrain":false,"airmass":null,"alt":-46.43,"az":2.4,"t":"2035-12-18T17:10:00Z","terrain":0.02},{"above_terrain":false,"airmass":null,"alt":-46.37,"az":4.2,"t":"2035-12-18T17:15:00Z","terrain":-0.31},{"above_terrain":false,"airmass":null,"alt":-46.29,"az":6.0,"t":"2035-12-18T17:20:00Z","terrain":-0.59},{"above_terrain":false,"airmass":null,"alt":-46.18,"az":7.8,"t":"2035-12-18T17:25:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-46.04,"az":9.6,"t":"2035-12-18T17:30:00Z","terrain":-0.62},{"above_terrain":false,"airmass":null,"alt":-45.86,"az":11.4,"t":"2035-12-18T17:35:00Z","terrain":-0.31},{"above_terrain":false,"airmass":null,"alt":-45.67,"az":13.2,"t":"2035-12-18T17:40:00Z","terrain":-0.04},{"above_terrain":false,"airmass":null,"alt":-45.44,"az":14.9,"t":"2035-12-18T17:45:00Z","terrain":0.39},{"above_terrain":false,"airmass":null,"alt":-45.18,"az":16.7,"t":"2035-12-18T17:50:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-44.9,"az":18.4,"t":"2035-12-18T17:55:00Z","terrain":0.57},{"above_terrain":false,"airmass":null,"alt":-44.59,"az":20.1,"t":"2035-12-18T18:00:00Z","terrain":0.67},{"above_terrain":false,"airmass":null,"alt":-44.26,"az":21.8,"t":"2035-12-18T18:05:00Z","terrain":0.93},{"above_terrain":false,"airmass":null,"alt":-43.9,"az":23.5,"t":"2035-12-18T18:10:00Z","terrain":1.04},{"above_terrain":false,"airmass":null,"alt":-43.51,"az":25.1,"t":"2035-12-18T18:15:00Z","terrain":1.24},{"above_terrain":false,"airmass":null,"alt":-43.1,"az":26.8,"t":"2035-12-18T18:20:00Z","terrain":1.29},{"above_terrain":false,"airmass":null,"alt":-42.67,"az":28.4,"t":"2035-12-18T18:25:00Z","terrain":1.12},{"above_terrain":false,"airmass":null,"alt":-42.21,"az":29.9,"t":"2035-12-18T18:30:00Z","terrain":1.14},{"above_terrain":false,"airmass":null,"alt":-41.73,"az":31.5,"t":"2035-12-18T18:35:00Z","terrain":1.32},{"above_terrain":false,"airmass":null,"alt":-41.24,"az":33.0,"t":"2035-12-18T18:40:00Z","terrain":0.97},{"above_terrain":false,"airmass":null,"alt":-40.71,"az":34.5,"t":"2035-12-18T18:45:00Z","terrain":0.22},{"above_terrain":false,"airmass":null,"alt":-40.17,"az":36.0,"t":"2035-12-18T18:50:00Z","terrain":0.03},{"above_terrain":false,"airmass":null,"alt":-39.61,"az":37.5,"t":"2035-12-18T18:55:00Z","terrain":-0.15},{"above_terrain":false,"airmass":null,"alt":-39.03,"az":38.9,"t":"2035-12-18T19:00:00Z","terrain":-0.16},{"above_terrain":false,"airmass":null,"alt":-38.44,"az":40.3,"t":"2035-12-18T19:05:00Z","terrain":-0.03},{"above_terrain":false,"airmass":null,"alt":-37.82,"az":41.7,"t":"2035-12-18T19:10:00Z","terrain":0.09},{"above_terrain":false,"airmass":null,"alt":-37.19,"az":43.1,"t":"2035-12-18T19:15:00Z","terrain":0.26},{"above_terrain":false,"airmass":null,"alt":-36.55,"az":44.4,"t":"2035-12-18T19:20:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-35.88,"az":45.7,"t":"2035-12-18T19:25:00Z","terrain":0.65},{"above_terrain":false,"airmass":null,"alt":-35.2,"az":47.0,"t":"2035-12-18T19:30:00Z","terrain":0.61},{"above_terrain":false,"airmass":null,"alt":-34.51,"az":48.3,"t":"2035-12-18T19:35:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-33.81,"az":49.6,"t":"2035-12-18T19:40:00Z","terrain":0.4},{"above_terrain":false,"airmass":null,"alt":-33.09,"az":50.8,"t":"2035-12-18T19:45:00Z","terrain":0.5},{"above_terrain":false,"airmass":null,"alt":-32.36,"az":52.0,"t":"2035-12-18T19:50:00Z","terrain":0.63},{"above_terrain":false,"airmass":null,"alt":-31.61,"az":53.2,"t":"2035-12-18T19:55:00Z","terrain":0.87},{"above_terrain":false,"airmass":null,"alt":-30.86,"az":54.4,"t":"2035-12-18T20:00:00Z","terrain":1.03},{"above_terrain":false,"airmass":null,"alt":-30.09,"az":55.5,"t":"2035-12-18T20:05:00Z","terrain":1.06},{"above_terrain":false,"airmass":null,"alt":-29.32,"az":56.6,"t":"2035-12-18T20:10:00Z","terrain":1.06},{"above_terrain":false,"airmass":null,"alt":-28.53,"az":57.8,"t":"2035-12-18T20:15:00Z","terrain":1.21},{"above_terrain":false,"airmass":null,"alt":-27.73,"az":58.9,"t":"2035-12-18T20:20:00Z","terrain":1.22},{"above_terrain":false,"airmass":null,"alt":-26.93,"az":59.9,"t":"2035-12-18T20:25:00Z","terrain":1.17},{"above_terrain":false,"airmass":null,"alt":-26.11,"az":61.0,"t":"2035-12-18T20:30:00Z","terrain":1.09},{"above_terrain":false,"airmass":null,"alt":-25.29,"az":62.0,"t":"2035-12-18T20:35:00Z","terrain":1.01},{"above_terrain":false,"airmass":null,"alt":-24.46,"az":63.1,"t":"2035-12-18T20:40:00Z","terrain":0.9},{"above_terrain":false,"airmass":null,"alt":-23.62,"az":64.1,"t":"2035-12-18T20:45:00Z","terrain":0.77},{"above_terrain":false,"airmass":null,"alt":-22.78,"az":65.1,"t":"2035-12-18T20:50:00Z","terrain":0.78},{"above_terrain":false,"airmass":null,"alt":-21.92,"az":66.1,"t":"2035-12-18T20:55:00Z","terrain":0.84},{"above_terrain":false,"airmass":null,"alt":-21.06,"az":67.1,"t":"2035-12-18T21:00:00Z","terrain":0.93},{"above_terrain":false,"airmass":null,"alt":-20.2,"az":68.0,"t":"2035-12-18T21:05:00Z","terrain":0.99},{"above_terrain":false,"airmass":null,"alt":-19.33,"az":69.0,"t":"2035-12-18T21:10:00Z","terrain":1.05},{"above_terrain":false,"airmass":null,"alt":-18.45,"az":69.9,"t":"2035-12-18T21:15:00Z","terrain":1.21},{"above_terrain":false,"airmass":null,"alt":-17.57,"az":70.9,"t":"2035-12-18T21:20:00Z","terrain":1.26},{"above_terrain":false,"airmass":null,"alt":-16.68,"az":71.8,"t":"2035-12-18T21:25:00Z","terrain":1.21},{"above_terrain":false,"airmass":null,"alt":-15.79,"az":72.7,"t":"2035-12-18T21:30:00Z","terrain":1.05},{"above_terrain":false,"airmass":null,"alt":-14.9,"az":73.6,"t":"2035-12-18T21:35:00Z","terrain":0.82},{"above_terrain":false,"airmass":null,"alt":-14.0,"az":74.5,"t":"2035-12-18T21:40:00Z","terrain":0.68},{"above_terrain":false,"airmass":null,"alt":-13.09,"az":75.4,"t":"2035-12-18T21:45:00Z","terrain":0.67},{"above_terrain":false,"airmass":null,"alt":-12.18,"az":76.3,"t":"2035-12-18T21:50:00Z","terrain":0.71},{"above_terrain":false,"airmass":null,"alt":-11.27,"az":77.2,"t":"2035-12-18T21:55:00Z","terrain":0.69},{"above_terrain":false,"airmass":null,"alt":-10.36,"az":78.1,"t":"2035-12-18T22:00:00Z","terrain":0.63},{"above_terrain":false,"airmass":null,"alt":-9.44,"az":78.9,"t":"2035-12-18T22:05:00Z","terrain":0.57},{"above_terrain":false,"airmass":null,"alt":-8.52,"az":79.8,"t":"2035-12-18T22:10:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-7.6,"az":80.6,"t":"2035-12-18T22:15:00Z","terrain":0.6},{"above_terrain":false,"airmass":null,"alt":-6.67,"az":81.5,"t":"2035-12-18T22:20:00Z","terrain":0.74},{"above_terrain":false,"airmass":null,"alt":-5.75,"az":82.3,"t":"2035-12-18T22:25:00Z","terrain":0.69},{"above_terrain":false,"airmass":null,"alt":-4.82,"az":83.2,"t":"2035-12-18T22:30:00Z","terrain":0.45},{"above_terrain":false,"airmass":null,"alt":-3.89,"az":84.0,"t":"2035-12-18T22:35:00Z","terrain":0.38},{"above_terrain":false,"airmass":null,"alt":-2.96,"az":84.9,"t":"2035-12-18T22:40:00Z","terrain":0.31},{"above_terrain":false,"airmass":null,"alt":-2.02,"az":85.7,"t":"2035-12-18T22:45:00Z","terrain":0.21},{"above_terrain":false,"airmass":null,"alt":-1.09,"az":86.5,"t":"2035-12-18T22:50:00Z","terrain":0.12},{"above_terrain":false,"airmass":null,"alt":-0.16,"az":87.4,"t":"2035-12-18T22:55:00Z","terrain":0.02},{"above_terrain":true,"airmass":28.37,"alt":0.78,"az":88.2,"t":"2035-12-18T23:00:00Z","terrain":-0.1},{"above_terrain":true,"airmass":21.06,"alt":1.71,"az":89.0,"t":"2035-12-18T23:05:00Z","terrain":-0.2},{"above_terrain":true,"airmass":16.44,"alt":2.65,"az":89.9,"t":"2035-12-18T23:10:00Z","terrain":-0.22},{"above_terrain":true,"airmass":13.35,"alt":3.59,"az":90.7,"t":"2035-12-18T23:15:00Z","terrain":-0.13},{"above_terrain":true,"airmass":11.18,"alt":4.52,"az":91.5,"t":"2035-12-18T23:20:00Z","terrain":0.01},{"above_terrain":true,"airmass":9.58,"alt":5.46,"az":92.4,"t":"2035-12-18T23:25:00Z","terrain":0.19},{"above_terrain":true,"airmass":8.37,"alt":6.39,"az":93.2,"t":"2035-12-18T23:30:00Z","terrain":0.35},{"above_terrain":true,"airmass":7.42,"alt":7.33,"az":94.1,"t":"2035-12-18T23:35:00Z","terrain":0.41},{"above_terrain":true,"airmass":6.66,"alt":8.26,"az":94.9,"t":"2035-12-18T23:40:00Z","terrain":0.38},{"above_terrain":true,"airmass":6.04,"alt":9.19,"az":95.8,"t":"2035-12-18T23:45:00Z","terrain":0.51},{"above_terrain":true,"airmass":5.52,"alt":10.12,"az":96.6,"t":"2035-12-18T23:50:00Z","terrain":0.66},{"above_terrain":true,"airmass":5.09,"alt":11.05,"az":97.5,"t":"2035-12-18T23:55:00Z","terrain":0.71},{"above_terrain":true,"airmass":4.72,"alt":11.98,"az":98.3,"t":"2035-12-19T00:00:00Z","terrain":0.62},{"above_terrain":true,"airmass":4.4,"alt":12.9,"az":99.2,"t":"2035-12-19T00:05:00Z","terrain":0.44},{"above_terrain":true,"airmass":4.12,"alt":13.83,"az":100.1,"t":"2035-12-19T00:10:00Z","terrain":0.26},{"above_terrain":true,"airmass":3.88,"alt":14.75,"az":100.9,"t":"2035-12-19T00:15:00Z","terrain":0.09},{"above_terrain":true,"airmass":3.66,"alt":15.66,"az":101.8,"t":"2035-12-19T00:20:00Z","terrain":-0.02},{"above_terrain":true,"airmass":3.47,"alt":16.58,"az":102.7,"t":"2035-12-19T00:25:00Z","terrain":-0.17},{"above_terrain":true,"airmass":3.3,"alt":17.49,"az":103.6,"t":"2035-12-19T00:30:00Z","terrain":-0.08},{"above_terrain":true,"airmass":3.14,"alt":18.4,"az":104.5,"t":"2035-12-19T00:35:00Z","terrain":-0.1},{"above_terrain":true,"airmass":3.0,"alt":19.3,"az":105.4,"t":"2035-12-19T00:40:00Z","terrain":-0.39},{"above_terrain":true,"airmass":2.88,"alt":20.2,"az":106.4,"t":"2035-12-19T00:45:00Z","terrain":-0.63},{"above_terrain":true,"airmass":2.76,"alt":21.1,"az":107.3,"t":"2035-12-19T00:50:00Z","terrain":-0.7},{"above_terrain":true,"airmass":2.66,"alt":21.99,"az":108.2,"t":"2035-12-19T00:55:00Z","terrain":-0.99},{"above_terrain":true,"airmass":2.56,"alt":22.88,"az":109.2,"t":"2035-12-19T01:00:00Z","terrain":-1.18},{"above_terrain":true,"airmass":2.47,"alt":23.76,"az":110.2,"t":"2035-12-19T01:05:00Z","terrain":-1.18},{"above_terrain":true,"airmass":2.39,"alt":24.63,"az":111.1,"t":"2035-12-19T01:10:00Z","terrain":-1.34},{"above_terrain":true,"airmass":2.31,"alt":25.5,"az":112.1,"t":"2035-12-19T01:15:00Z","terrain":-1.39},{"above_terrain":true,"airmass":2.24,"alt":26.37,"az":113.2,"t":"2035-12-19T01:20:00Z","terrain":-1.47},{"above_terrain":true,"airmass":2.18,"alt":27.22,"az":114.2,"t":"2035-12-19T01:25:00Z","terrain":-1.6},{"above_terrain":true,"airmass":2.12,"alt":28.07,"az":115.2,"t":"2035-12-19T01:30:00Z","terrain":-1.5},{"above_terrain":true,"airmass":2.06,"alt":28.92,"az":116.3,"t":"2035-12-19T01:35:00Z","terrain":-1.51},{"above_terrain":true,"airmass":2.01,"alt":29.75,"az":117.3,"t":"2035-12-19T01:40:00Z","terrain":-1.56},{"above_terrain":true,"airmass":1.96,"alt":30.58,"az":118.4,"t":"2035-12-19T01:45:00Z","terrain":-1.45},{"above_terrain":true,"airmass":1.91,"alt":31.4,"az":119.5,"t":"2035-12-19T01:50:00Z","terrain":-1.35},{"above_terrain":true,"airmass":1.87,"alt":32.21,"az":120.7,"t":"2035-12-19T01:55:00Z","terrain":-1.25},{"above_terrain":true,"airmass":1.83,"alt":33.01,"az":121.8,"t":"2035-12-19T02:00:00Z","terrain":-1.2},{"above_terrain":true,"airmass":1.79,"alt":33.8,"az":123.0,"t":"2035-12-19T02:05:00Z","terrain":-1.38},{"above_terrain":true,"airmass":1.76,"alt":34.58,"az":124.2,"t":"2035-12-19T02:10:00Z","terrain":-1.5},{"above_terrain":true,"airmass":1.73,"alt":35.35,"az":125.4,"t":"2035-12-19T02:15:00Z","terrain":-1.63},{"above_terrain":true,"airmass":1.69,"alt":36.11,"az":126.6,"t":"2035-12-19T02:20:00Z","terrain":-1.56},{"above_terrain":true,"airmass":1.66,"alt":36.85,"az":127.8,"t":"2035-12-19T02:25:00Z","terrain":-1.43},{"above_terrain":true,"airmass":1.64,"alt":37.58,"az":129.1,"t":"2035-12-19T02:30:00Z","terrain":-1.19},{"above_terrain":true,"airmass":1.61,"alt":38.3,"az":130.4,"t":"2035-12-19T02:35:00Z","terrain":-1.61},{"above_terrain":true,"airmass":1.59,"alt":39.01,"az":131.7,"t":"2035-12-19T02:40:00Z","terrain":-1.65},{"above_terrain":true,"airmass":1.56,"alt":39.7,"az":133.1,"t":"2035-12-19T02:45:00Z","terrain":-1.65},{"above_terrain":true,"airmass":1.54,"alt":40.38,"az":134.5,"t":"2035-12-19T02:50:00Z","terrain":-1.43},{"above_terrain":true,"airmass":1.52,"alt":41.04,"az":135.9,"t":"2035-12-19T02:55:00Z","terrain":-1.2},{"above_terrain":true,"airmass":1.5,"alt":41.68,"az":137.3,"t":"2035-12-19T03:00:00Z","terrain":-1.2},{"above_terrain":true,"airmass":1.48,"alt":42.3,"az":138.8,"t":"2035-12-19T03:05:00Z","terrain":-1.29},{"above_terrain":true,"airmass":1.47,"alt":42.91,"az":140.3,"t":"2035-12-19T03:10:00Z","terrain":-1.27},{"above_terrain":true,"airmass":1.45,"alt":43.5,"az":141.8,"t":"2035-12-19T03:15:00Z","terrain":-1.27},{"above_terrain":true,"airmass":1.44,"alt":44.07,"az":143.3,"t":"2035-12-19T03:20:00Z","terrain":-1.36},{"above_terrain":true,"airmass":1.42,"alt":44.62,"az":144.9,"t":"2035-12-19T03:25:00Z","terrain":-1.47},{"above_terrain":true,"airmass":1.41,"alt":45.15,"az":146.5,"t":"2035-12-19T03:30:00Z","terrain":-1.41},{"above_terrain":true,"airmass":1.4,"alt":45.65,"az":148.1,"t":"2035-12-19T03:35:00Z","terrain":-1.44},{"above_terrain":true,"airmass":1.39,"alt":46.13,"az":149.8,"t":"2035-12-19T03:40:00Z","terrain":-1.23},{"above_terrain":true,"airmass":1.38,"alt":46.59,"az":151.5,"t":"2035-12-19T03:45:00Z","terrain":-1.24},{"above_terrain":true,"airmass":1.37,"alt":47.03,"az":153.2,"t":"2035-12-19T03:50:00Z","terrain":-0.94},{"above_terrain":true,"airmass":1.36,"alt":47.44,"az":154.9,"t":"2035-12-19T03:55:00Z","terrain":-1.08},{"above_terrain":true,"airmass":1.35,"alt":47.82,"az":156.7,"t":"2035-12-19T04:00:00Z","terrain":-1.14},{"above_terrain":true,"airmass":1.34,"alt":48.18,"az":158.5,"t":"2035-12-19T04:05:00Z","terrain":-1.2},{"above_terrain":true,"airmass":1.33,"alt":48.51,"az":160.3,"t":"2035-12-19T04:10:00Z","terrain":-0.99},{"above_terrain":true,"airmass":1.33,"alt":48.81,"az":162.2,"t":"2035-12-19T04:15:00Z","terrain":-1.37},{"above_terrain":true,"airmass":1.32,"alt":49.08,"az":164.0,"t":"2035-12-19T04:20:00Z","terrain":-1.53},{"above_terrain":true,"airmass":1.32,"alt":49.32,"az":165.9,"t":"2035-12-19T04:25:00Z","terrain":-1.25},{"above_terrain":true,"airmass":1.31,"alt":49.53,"az":167.8,"t":"2035-12-19T04:30:00Z","terrain":-0.99},{"above_terrain":true,"airmass":1.31,"alt":49.72,"az":169.7,"t":"2035-12-19T04:35:00Z","terrain":-0.65},{"above_terrain":true,"airmass":1.31,"alt":49.87,"az":171.6,"t":"2035-12-19T04:40:00Z","terrain":-0.6},{"above_terrain":true,"airmass":1.3,"alt":49.99,"az":173.6,"t":"2035-12-19T04:45:00Z","terrain":-0.44},{"above_terrain":true,"airmass":1.3,"alt":50.08,"az":175.5,"t":"2035-12-19T04:50:00Z","terrain":-0.43},{"above_terrain":true,"airmass":1.3,"alt":50.13,"az":177.5,"t":"2035-12-19T04:55:00Z","terrain":-0.38},{"above_terrain":true,"airmass":1.3,"alt":50.16,"az":179.4,"t":"2035-12-19T05:00:00Z","terrain":-0.48},{"above_terrain":true,"airmass":1.3,"alt":50.15,"az":181.4,"t":"2035-12-19T05:05:00Z","terrain":-0.63},{"above_terrain":true,"airmass":1.3,"alt":50.11,"az":183.3,"t":"2035-12-19T05:10:00Z","terrain":-0.61},{"above_terrain":true,"airmass":1.3,"alt":50.04,"az":185.3,"t":"2035-12-19T05:15:00Z","terrain":-0.64},{"above_terrain":true,"airmass":1.31,"alt":49.94,"az":187.2,"t":"2035-12-19T05:20:00Z","terrain":-0.63},{"above_terrain":true,"airmass":1.31,"alt":49.81,"az":189.2,"t":"2035-12-19T05:25:00Z","terrain":-0.58},{"above_terrain":true,"airmass":1.31,"alt":49.64,"az":191.1,"t":"2035-12-19T05:30:00Z","terrain":-0.45},{"above_terrain":true,"airmass":1.31,"alt":49.45,"az":193.0,"t":"2035-12-19T05:35:00Z","terrain":-0.45},{"above_terrain":true,"airmass":1.32,"alt":49.22,"az":194.9,"t":"2035-12-19T05:40:00Z","terrain":-0.44},{"above_terrain":true,"airmass":1.32,"alt":48.97,"az":196.8,"t":"2035-12-19T05:45:00Z","terrain":-0.48},{"above_terrain":true,"airmass":1.33,"alt":48.68,"az":198.6,"t":"2035-12-19T05:50:00Z","terrain":-0.35},{"above_terrain":true,"airmass":1.34,"alt":48.37,"az":200.4,"t":"2035-12-19T05:55:00Z","terrain":-0.37},{"above_terrain":true,"airmass":1.34,"alt":48.03,"az":202.3,"t":"2035-12-19T06:00:00Z","terrain":-0.53},{"above_terrain":true,"airmass":1.35,"alt":47.66,"az":204.0,"t":"2035-12-19T06:05:00Z","terrain":-0.55},{"above_terrain":true,"airmass":1.36,"alt":47.27,"az":205.8,"t":"2035-12-19T06:10:00Z","terrain":0.03},{"above_terrain":true,"airmass":1.37,"alt":46.85,"az":207.5,"t":"2035-12-19T06:15:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.38,"alt":46.4,"az":209.2,"t":"2035-12-19T06:20:00Z","terrain":0.39},{"above_terrain":true,"airmass":1.39,"alt":45.93,"az":210.9,"t":"2035-12-19T06:25:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.4,"alt":45.44,"az":212.6,"t":"2035-12-19T06:30:00Z","terrain":0.46},{"above_terrain":true,"airmass":1.41,"alt":44.93,"az":214.2,"t":"2035-12-19T06:35:00Z","terrain":0.66},{"above_terrain":true,"airmass":1.43,"alt":44.39,"az":215.8,"t":"2035-12-19T06:40:00Z","terrain":0.66},{"above_terrain":true,"airmass":1.44,"alt":43.83,"az":217.3,"t":"2035-12-19T06:45:00Z","terrain":1.1},{"above_terrain":true,"airmass":1.46,"alt":43.25,"az":218.9,"t":"2035-12-19T06:50:00Z","terrain":1.26},{"above_terrain":true,"airmass":1.47,"alt":42.66,"az":220.4,"t":"2035-12-19T06:55:00Z","terrain":1.18},{"above_terrain":true,"airmass":1.49,"alt":42.04,"az":221.9,"t":"2035-12-19T07:00:00Z","terrain":1.08},{"above_terrain":true,"airmass":1.51,"alt":41.41,"az":223.3,"t":"2035-12-19T07:05:00Z","terrain":0.6},{"above_terrain":true,"airmass":1.53,"alt":40.76,"az":224.7,"t":"2035-12-19T07:10:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.55,"alt":40.09,"az":226.1,"t":"2035-12-19T07:15:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.57,"alt":39.41,"az":227.5,"t":"2035-12-19T07:20:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.6,"alt":38.71,"az":228.8,"t":"2035-12-19T07:25:00Z","terrain":1.28},{"above_terrain":true,"airmass":1.62,"alt":38.0,"az":230.1,"t":"2035-12-19T07:30:00Z","terrain":1.11},{"above_terrain":true,"airmass":1.65,"alt":37.28,"az":231.4,"t":"2035-12-19T07:35:00Z","terrain":0.88},{"above_terrain":true,"airmass":1.68,"alt":36.54,"az":232.7,"t":"2035-12-19T07:40:00Z","terrain":0.83},{"above_terrain":true,"airmass":1.71,"alt":35.79,"az":233.9,"t":"2035-12-19T07:45:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.74,"alt":35.02,"az":235.2,"t":"2035-12-19T07:50:00Z","terrain":0.95},{"above_terrain":true,"airmass":1.77,"alt":34.25,"az":236.4,"t":"2035-12-19T07:55:00Z","terrain":0.8},{"above_terrain":true,"airmass":1.81,"alt":33.47,"az":237.5,"t":"2035-12-19T08:00:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.85,"alt":32.67,"az":238.7,"t":"2035-12-19T08:05:00Z","terrain":0.59},{"above_terrain":true,"airmass":1.89,"alt":31.87,"az":239.8,"t":"2035-12-19T08:10:00Z","terrain":0.75},{"above_terrain":true,"airmass":1.93,"alt":31.05,"az":240.9,"t":"2035-12-19T08:15:00Z","terrain":0.74},{"above_terrain":true,"airmass":1.98,"alt":30.23,"az":242.0,"t":"2035-12-19T08:20:00Z","terrain":1.04},{"above_terrain":true,"airmass":2.03,"alt":29.4,"az":243.1,"t":"2035-12-19T08:25:00Z","terrain":1.0},{"above_terrain":true,"airmass":2.08,"alt":28.56,"az":244.2,"t":"2035-12-19T08:30:00Z","terrain":0.95},{"above_terrain":true,"airmass":2.14,"alt":27.72,"az":245.2,"t":"2035-12-19T08:35:00Z","terrain":1.03},{"above_terrain":true,"airmass":2.21,"alt":26.86,"az":246.3,"t":"2035-12-19T08:40:00Z","terrain":1.14},{"above_terrain":true,"airmass":2.27,"alt":26.0,"az":247.3,"t":"2035-12-19T08:45:00Z","terrain":0.9},{"above_terrain":true,"airmass":2.34,"alt":25.14,"az":248.3,"t":"2035-12-19T08:50:00Z","terrain":0.55},{"above_terrain":true,"airmass":2.42,"alt":24.26,"az":249.3,"t":"2035-12-19T08:55:00Z","terrain":0.52},{"above_terrain":true,"airmass":2.51,"alt":23.39,"az":250.2,"t":"2035-12-19T09:00:00Z","terrain":0.58},{"above_terrain":true,"airmass":2.6,"alt":22.5,"az":251.2,"t":"2035-12-19T09:05:00Z","terrain":0.48},{"above_terrain":true,"airmass":2.7,"alt":21.61,"az":252.2,"t":"2035-12-19T09:10:00Z","terrain":0.2},{"above_terrain":true,"airmass":2.81,"alt":20.72,"az":253.1,"t":"2035-12-19T09:15:00Z","terrain":0.17},{"above_terrain":true,"airmass":2.93,"alt":19.82,"az":254.0,"t":"2035-12-19T09:20:00Z","terrain":0.17},{"above_terrain":true,"airmass":3.06,"alt":18.92,"az":255.0,"t":"2035-12-19T09:25:00Z","terrain":0.24},{"above_terrain":true,"airmass":3.2,"alt":18.01,"az":255.9,"t":"2035-12-19T09:30:00Z","terrain":0.37},{"above_terrain":true,"airmass":3.37,"alt":17.1,"az":256.8,"t":"2035-12-19T09:35:00Z","terrain":0.42},{"above_terrain":true,"airmass":3.55,"alt":16.19,"az":257.7,"t":"2035-12-19T09:40:00Z","terrain":0.38},{"above_terrain":true,"airmass":3.75,"alt":15.28,"az":258.6,"t":"2035-12-19T09:45:00Z","terrain":0.43},{"above_terrain":true,"airmass":3.97,"alt":14.36,"az":259.4,"t":"2035-12-19T09:50:00Z","terrain":0.52},{"above_terrain":true,"airmass":4.23,"alt":13.44,"az":260.3,"t":"2035-12-19T09:55:00Z","terrain":0.65},{"above_terrain":true,"airmass":4.53,"alt":12.51,"az":261.2,"t":"2035-12-19T10:00:00Z","terrain":0.87}],"transit":{"airmass":1.3,"alt":50.2,"az":179.4,"t":"2035-12-19T05:00:00Z"},"usable_hours":3.33,"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."]}