{"assessment":{"best_window":{"end":"2026-12-21T17:30Z","end_local":"19:30","hours":1.42,"label":"marginal","mean_quality":0.4,"start":"2026-12-21T16:05Z","start_local":"18:05"},"cost":{"altitude":11.33,"clouds":0.0,"darkness":1.99,"moon":0.17},"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":45,"cloud":null,"high":null,"iso":"2026-12-21T15:00Z","label":"unusable","low":null,"mid":null,"moon_alt":28,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"17:00","wind":null},{"alt":34,"cloud":null,"high":null,"iso":"2026-12-21T16:00Z","label":"poor","low":null,"mid":null,"moon_alt":39,"precip":null,"q":0.1,"rh":null,"sky":"nautical twilight","temp":null,"time":"18:00","wind":null},{"alt":24,"cloud":null,"high":null,"iso":"2026-12-21T17:00Z","label":"marginal","low":null,"mid":null,"moon_alt":50,"precip":null,"q":0.45,"rh":null,"sky":"night","temp":null,"time":"19:00","wind":null},{"alt":15,"cloud":null,"high":null,"iso":"2026-12-21T18:00Z","label":"unusable","low":null,"mid":null,"moon_alt":60,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"20:00","wind":null},{"alt":7,"cloud":null,"high":null,"iso":"2026-12-21T19:00Z","label":"unusable","low":null,"mid":null,"moon_alt":69,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"21:00","wind":null},{"alt":0,"cloud":null,"high":null,"iso":"2026-12-21T20:00Z","label":"unusable","low":null,"mid":null,"moon_alt":73,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"22:00","wind":null},{"alt":-5,"cloud":null,"high":null,"iso":"2026-12-21T21:00Z","label":"unusable","low":null,"mid":null,"moon_alt":69,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":-8,"cloud":null,"high":null,"iso":"2026-12-21T22:00Z","label":"unusable","low":null,"mid":null,"moon_alt":60,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":-9,"cloud":null,"high":null,"iso":"2026-12-21T23:00Z","label":"unusable","low":null,"mid":null,"moon_alt":50,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":-8,"cloud":null,"high":null,"iso":"2026-12-22T00:00Z","label":"unusable","low":null,"mid":null,"moon_alt":39,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":-5,"cloud":null,"high":null,"iso":"2026-12-22T01:00Z","label":"unusable","low":null,"mid":null,"moon_alt":29,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":1,"cloud":null,"high":null,"iso":"2026-12-22T02:00Z","label":"unusable","low":null,"mid":null,"moon_alt":18,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":8,"cloud":null,"high":null,"iso":"2026-12-22T03:00Z","label":"unusable","low":null,"mid":null,"moon_alt":8,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"05:00","wind":null},{"alt":16,"cloud":null,"high":null,"iso":"2026-12-22T04:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-1,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"06:00","wind":null},{"alt":25,"cloud":null,"high":null,"iso":"2026-12-22T05:00Z","label":"poor","low":null,"mid":null,"moon_alt":-9,"precip":null,"q":0.09,"rh":null,"sky":"nautical twilight","temp":null,"time":"07:00","wind":null}],"peak_quality":0.58,"peak_sky":0.58,"quality_hours":0.71,"reasons":["the target being low or below 20\u00b0 cost 11.3 quality-hours","daylight and twilight cost 2.0 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":10,"score_weather":null,"sky_hours":0.71,"verdict":"unknown","verdict_astronomy":"poor","weather_known":false,"windows":[{"end":"2026-12-21T15:30Z","end_local":"17:30","hours":0.67,"label":"unusable","mean_quality":0.0,"start":"2026-12-21T14:50Z","start_local":"16:50"},{"end":"2026-12-21T16:05Z","end_local":"18:05","hours":0.58,"label":"poor","mean_quality":0.1,"start":"2026-12-21T15:30Z","start_local":"17:30"},{"end":"2026-12-21T17:30Z","end_local":"19:30","hours":1.42,"label":"marginal","mean_quality":0.4,"start":"2026-12-21T16:05Z","start_local":"18:05"},{"end":"2026-12-22T04:30Z","end_local":"06:30","hours":11.0,"label":"unusable","mean_quality":0.0,"start":"2026-12-21T17:30Z","start_local":"19:30"},{"end":"2026-12-22T05:15Z","end_local":"07:15","hours":0.75,"label":"poor","mean_quality":0.12,"start":"2026-12-22T04:30Z","start_local":"06:30"},{"end":"2026-12-22T05:50Z","end_local":"07:50","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2026-12-22T05:15Z","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":"2026-12-21T16:34:05Z","dark_hours":11.51,"dark_to":"2026-12-22T04:04:34Z","moon":{"illumination":0.931,"phase":"waxing gibbous","waxing":true},"moon_free_dark_hours":0.17,"moonrise":"2026-12-21T12:15:25Z","moonset":"2026-12-22T03:53:59Z","sunrise":"2026-12-22T05:45:06Z","sunset":"2026-12-21T14:53:33Z","twilight":{"astronomical":{"end":"2026-12-21T16:34:05Z","start":"2026-12-22T04:04:34Z"},"civil":{"end":"2026-12-21T15:25:09Z","start":"2026-12-22T05:13:30Z"},"nautical":{"end":"2026-12-21T16:00:13Z","start":"2026-12-22T04:38:26Z"}},"window_end":"2026-12-22T10:00:00Z","window_start":"2026-12-21T10:00:00Z"},"night_date":"2026-12-21","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":2.1,"alt":28.3,"t":"2026-12-21T16:35:00Z"},"dec":38.78368896,"dec_of_date":38.8081,"dec_str":"+38\u00b0 47' 01.3\"","good_hours":0,"limit_rise":"2026-12-22T04:26:20Z","limit_set":"2026-12-21T17:27:15Z","max_az_rate_deg_per_min":3.82,"moon_separation":104.7,"never_rises":false,"ra":279.23473479,"ra_of_date":279.4612,"ra_str":"18h 36m 56.3s","resolved":{"common_name":"Vega","dec":38.78368896,"name":"* alf Lyr","ra":279.23473479,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=Vega","source":"sesame","spectral_type":"A0V","type":"dS*","type_text":"delta Scuti variable","vmag":0.03},"summary":"Just 0.9 h above 20\u00b0 in darkness \u2014 barely observable tonight.","terrain":{"available":true,"behind_at":"2026-12-21T20:03:17Z","blocked_dark_hours":0,"clears_at":"2026-12-22T01:58:33Z","rise_az":99.5},"track":[{"above_terrain":true,"airmass":1.02,"alt":78.41,"az":99.5,"t":"2026-12-21T10:00:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.02,"alt":79.33,"az":101.2,"t":"2026-12-21T10:05:00Z","terrain":0.05},{"above_terrain":true,"airmass":1.01,"alt":80.24,"az":103.2,"t":"2026-12-21T10:10:00Z","terrain":-0.18},{"above_terrain":true,"airmass":1.01,"alt":81.15,"az":105.4,"t":"2026-12-21T10:15:00Z","terrain":-0.38},{"above_terrain":true,"airmass":1.01,"alt":82.05,"az":108.1,"t":"2026-12-21T10:20:00Z","terrain":-0.95},{"above_terrain":true,"airmass":1.01,"alt":82.93,"az":111.3,"t":"2026-12-21T10:25:00Z","terrain":-1.34},{"above_terrain":true,"airmass":1.01,"alt":83.79,"az":115.3,"t":"2026-12-21T10:30:00Z","terrain":-1.5},{"above_terrain":true,"airmass":1.0,"alt":84.62,"az":120.4,"t":"2026-12-21T10:35:00Z","terrain":-1.24},{"above_terrain":true,"airmass":1.0,"alt":85.4,"az":127.2,"t":"2026-12-21T10:40:00Z","terrain":-1.51},{"above_terrain":true,"airmass":1.0,"alt":86.09,"az":136.5,"t":"2026-12-21T10:45:00Z","terrain":-1.21},{"above_terrain":true,"airmass":1.0,"alt":86.66,"az":149.1,"t":"2026-12-21T10:50:00Z","terrain":-1.41},{"above_terrain":true,"airmass":1.0,"alt":87.03,"az":165.7,"t":"2026-12-21T10:55:00Z","terrain":-1.29},{"above_terrain":true,"airmass":1.0,"alt":87.11,"az":184.8,"t":"2026-12-21T11:00:00Z","terrain":-0.6},{"above_terrain":true,"airmass":1.0,"alt":86.88,"az":203.0,"t":"2026-12-21T11:05:00Z","terrain":-0.64},{"above_terrain":true,"airmass":1.0,"alt":86.4,"az":217.6,"t":"2026-12-21T11:10:00Z","terrain":1.17},{"above_terrain":true,"airmass":1.0,"alt":85.76,"az":228.4,"t":"2026-12-21T11:15:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.0,"alt":85.02,"az":236.4,"t":"2026-12-21T11:20:00Z","terrain":0.8},{"above_terrain":true,"airmass":1.0,"alt":84.21,"az":242.3,"t":"2026-12-21T11:25:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.01,"alt":83.37,"az":246.8,"t":"2026-12-21T11:30:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.01,"alt":82.5,"az":250.4,"t":"2026-12-21T11:35:00Z","terrain":0.57},{"above_terrain":true,"airmass":1.01,"alt":81.61,"az":253.3,"t":"2026-12-21T11:40:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.01,"alt":80.7,"az":255.8,"t":"2026-12-21T11:45:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.02,"alt":79.79,"az":257.8,"t":"2026-12-21T11:50:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.02,"alt":78.88,"az":259.6,"t":"2026-12-21T11:55:00Z","terrain":0.53},{"above_terrain":true,"airmass":1.02,"alt":77.95,"az":261.2,"t":"2026-12-21T12:00:00Z","terrain":0.87},{"above_terrain":true,"airmass":1.03,"alt":77.03,"az":262.7,"t":"2026-12-21T12:05:00Z","terrain":0.87},{"above_terrain":true,"airmass":1.03,"alt":76.1,"az":263.9,"t":"2026-12-21T12:10:00Z","terrain":0.54},{"above_terrain":true,"airmass":1.03,"alt":75.16,"az":265.1,"t":"2026-12-21T12:15:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.04,"alt":74.23,"az":266.2,"t":"2026-12-21T12:20:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.04,"alt":73.3,"az":267.2,"t":"2026-12-21T12:25:00Z","terrain":0.59},{"above_terrain":true,"airmass":1.05,"alt":72.36,"az":268.2,"t":"2026-12-21T12:30:00Z","terrain":0.67},{"above_terrain":true,"airmass":1.05,"alt":71.43,"az":269.1,"t":"2026-12-21T12:35:00Z","terrain":0.76},{"above_terrain":true,"airmass":1.06,"alt":70.49,"az":269.9,"t":"2026-12-21T12:40:00Z","terrain":0.89},{"above_terrain":true,"airmass":1.07,"alt":69.55,"az":270.8,"t":"2026-12-21T12:45:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.07,"alt":68.62,"az":271.5,"t":"2026-12-21T12:50:00Z","terrain":0.58},{"above_terrain":true,"airmass":1.08,"alt":67.68,"az":272.3,"t":"2026-12-21T12:55:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.09,"alt":66.75,"az":273.0,"t":"2026-12-21T13:00:00Z","terrain":0.13},{"above_terrain":true,"airmass":1.1,"alt":65.81,"az":273.7,"t":"2026-12-21T13:05:00Z","terrain":0.01},{"above_terrain":true,"airmass":1.1,"alt":64.88,"az":274.4,"t":"2026-12-21T13:10:00Z","terrain":0.02},{"above_terrain":true,"airmass":1.11,"alt":63.95,"az":275.1,"t":"2026-12-21T13:15:00Z","terrain":0.08},{"above_terrain":true,"airmass":1.12,"alt":63.02,"az":275.8,"t":"2026-12-21T13:20:00Z","terrain":0.01},{"above_terrain":true,"airmass":1.13,"alt":62.08,"az":276.4,"t":"2026-12-21T13:25:00Z","terrain":-0.06},{"above_terrain":true,"airmass":1.14,"alt":61.16,"az":277.0,"t":"2026-12-21T13:30:00Z","terrain":-0.14},{"above_terrain":true,"airmass":1.15,"alt":60.23,"az":277.7,"t":"2026-12-21T13:35:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.16,"alt":59.3,"az":278.3,"t":"2026-12-21T13:40:00Z","terrain":-0.06},{"above_terrain":true,"airmass":1.17,"alt":58.37,"az":278.9,"t":"2026-12-21T13:45:00Z","terrain":-0.03},{"above_terrain":true,"airmass":1.19,"alt":57.45,"az":279.5,"t":"2026-12-21T13:50:00Z","terrain":-0.07},{"above_terrain":true,"airmass":1.2,"alt":56.53,"az":280.1,"t":"2026-12-21T13:55:00Z","terrain":-0.12},{"above_terrain":true,"airmass":1.21,"alt":55.61,"az":280.6,"t":"2026-12-21T14:00:00Z","terrain":-0.03},{"above_terrain":true,"airmass":1.22,"alt":54.69,"az":281.2,"t":"2026-12-21T14:05:00Z","terrain":-0.0},{"above_terrain":true,"airmass":1.24,"alt":53.77,"az":281.8,"t":"2026-12-21T14:10:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.25,"alt":52.86,"az":282.4,"t":"2026-12-21T14:15:00Z","terrain":-0.09},{"above_terrain":true,"airmass":1.27,"alt":51.94,"az":282.9,"t":"2026-12-21T14:20:00Z","terrain":-0.02},{"above_terrain":true,"airmass":1.29,"alt":51.03,"az":283.5,"t":"2026-12-21T14:25:00Z","terrain":0.05},{"above_terrain":true,"airmass":1.3,"alt":50.12,"az":284.1,"t":"2026-12-21T14:30:00Z","terrain":0.13},{"above_terrain":true,"airmass":1.32,"alt":49.22,"az":284.6,"t":"2026-12-21T14:35:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.34,"alt":48.31,"az":285.2,"t":"2026-12-21T14:40:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.36,"alt":47.41,"az":285.7,"t":"2026-12-21T14:45:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.38,"alt":46.51,"az":286.3,"t":"2026-12-21T14:50:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.4,"alt":45.61,"az":286.8,"t":"2026-12-21T14:55:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.42,"alt":44.72,"az":287.4,"t":"2026-12-21T15:00:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.44,"alt":43.83,"az":288.0,"t":"2026-12-21T15:05:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.47,"alt":42.94,"az":288.5,"t":"2026-12-21T15:10:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.49,"alt":42.05,"az":289.1,"t":"2026-12-21T15:15:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.52,"alt":41.17,"az":289.6,"t":"2026-12-21T15:20:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.54,"alt":40.29,"az":290.2,"t":"2026-12-21T15:25:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.57,"alt":39.41,"az":290.8,"t":"2026-12-21T15:30:00Z","terrain":0.44},{"above_terrain":true,"airmass":1.6,"alt":38.54,"az":291.3,"t":"2026-12-21T15:35:00Z","terrain":0.51},{"above_terrain":true,"airmass":1.63,"alt":37.67,"az":291.9,"t":"2026-12-21T15:40:00Z","terrain":0.54},{"above_terrain":true,"airmass":1.67,"alt":36.8,"az":292.4,"t":"2026-12-21T15:45:00Z","terrain":0.43},{"above_terrain":true,"airmass":1.7,"alt":35.94,"az":293.0,"t":"2026-12-21T15:50:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.74,"alt":35.08,"az":293.6,"t":"2026-12-21T15:55:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.77,"alt":34.22,"az":294.2,"t":"2026-12-21T16:00:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.81,"alt":33.37,"az":294.7,"t":"2026-12-21T16:05:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.86,"alt":32.52,"az":295.3,"t":"2026-12-21T16:10:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.9,"alt":31.68,"az":295.9,"t":"2026-12-21T16:15:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.95,"alt":30.84,"az":296.5,"t":"2026-12-21T16:20:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.99,"alt":30.0,"az":297.1,"t":"2026-12-21T16:25:00Z","terrain":0.25},{"above_terrain":true,"airmass":2.05,"alt":29.17,"az":297.6,"t":"2026-12-21T16:30:00Z","terrain":0.17},{"above_terrain":true,"airmass":2.1,"alt":28.34,"az":298.2,"t":"2026-12-21T16:35:00Z","terrain":0.13},{"above_terrain":true,"airmass":2.16,"alt":27.52,"az":298.8,"t":"2026-12-21T16:40:00Z","terrain":0.16},{"above_terrain":true,"airmass":2.22,"alt":26.7,"az":299.4,"t":"2026-12-21T16:45:00Z","terrain":0.26},{"above_terrain":true,"airmass":2.28,"alt":25.89,"az":300.0,"t":"2026-12-21T16:50:00Z","terrain":0.37},{"above_terrain":true,"airmass":2.35,"alt":25.08,"az":300.6,"t":"2026-12-21T16:55:00Z","terrain":0.34},{"above_terrain":true,"airmass":2.42,"alt":24.28,"az":301.3,"t":"2026-12-21T17:00:00Z","terrain":0.26},{"above_terrain":true,"airmass":2.5,"alt":23.48,"az":301.9,"t":"2026-12-21T17:05:00Z","terrain":0.11},{"above_terrain":true,"airmass":2.58,"alt":22.69,"az":302.5,"t":"2026-12-21T17:10:00Z","terrain":-0.07},{"above_terrain":true,"airmass":2.67,"alt":21.9,"az":303.1,"t":"2026-12-21T17:15:00Z","terrain":-0.21},{"above_terrain":true,"airmass":2.76,"alt":21.12,"az":303.8,"t":"2026-12-21T17:20:00Z","terrain":-0.13},{"above_terrain":true,"airmass":2.86,"alt":20.35,"az":304.4,"t":"2026-12-21T17:25:00Z","terrain":-0.17},{"above_terrain":true,"airmass":2.96,"alt":19.58,"az":305.0,"t":"2026-12-21T17:30:00Z","terrain":-0.29},{"above_terrain":true,"airmass":3.08,"alt":18.82,"az":305.7,"t":"2026-12-21T17:35:00Z","terrain":-0.21},{"above_terrain":true,"airmass":3.2,"alt":18.06,"az":306.3,"t":"2026-12-21T17:40:00Z","terrain":-0.06},{"above_terrain":true,"airmass":3.33,"alt":17.31,"az":307.0,"t":"2026-12-21T17:45:00Z","terrain":0.17},{"above_terrain":true,"airmass":3.47,"alt":16.56,"az":307.6,"t":"2026-12-21T17:50:00Z","terrain":0.27},{"above_terrain":true,"airmass":3.62,"alt":15.82,"az":308.3,"t":"2026-12-21T17:55:00Z","terrain":0.27},{"above_terrain":true,"airmass":3.79,"alt":15.09,"az":309.0,"t":"2026-12-21T18:00:00Z","terrain":0.17},{"above_terrain":true,"airmass":3.97,"alt":14.37,"az":309.7,"t":"2026-12-21T18:05:00Z","terrain":0.2},{"above_terrain":true,"airmass":4.17,"alt":13.65,"az":310.3,"t":"2026-12-21T18:10:00Z","terrain":0.27},{"above_terrain":true,"airmass":4.38,"alt":12.94,"az":311.0,"t":"2026-12-21T18:15:00Z","terrain":0.35},{"above_terrain":true,"airmass":4.62,"alt":12.24,"az":311.7,"t":"2026-12-21T18:20:00Z","terrain":0.2},{"above_terrain":true,"airmass":4.88,"alt":11.55,"az":312.4,"t":"2026-12-21T18:25:00Z","terrain":0.2},{"above_terrain":true,"airmass":5.17,"alt":10.86,"az":313.1,"t":"2026-12-21T18:30:00Z","terrain":0.3},{"above_terrain":true,"airmass":5.49,"alt":10.18,"az":313.8,"t":"2026-12-21T18:35:00Z","terrain":0.44},{"above_terrain":true,"airmass":5.85,"alt":9.51,"az":314.6,"t":"2026-12-21T18:40:00Z","terrain":0.52},{"above_terrain":true,"airmass":6.26,"alt":8.85,"az":315.3,"t":"2026-12-21T18:45:00Z","terrain":0.54},{"above_terrain":true,"airmass":6.71,"alt":8.19,"az":316.0,"t":"2026-12-21T18:50:00Z","terrain":0.47},{"above_terrain":true,"airmass":7.23,"alt":7.55,"az":316.8,"t":"2026-12-21T18:55:00Z","terrain":0.34},{"above_terrain":true,"airmass":7.82,"alt":6.91,"az":317.5,"t":"2026-12-21T19:00:00Z","terrain":0.32},{"above_terrain":true,"airmass":8.5,"alt":6.28,"az":318.3,"t":"2026-12-21T19:05:00Z","terrain":0.2},{"above_terrain":true,"airmass":9.29,"alt":5.66,"az":319.0,"t":"2026-12-21T19:10:00Z","terrain":-0.14},{"above_terrain":true,"airmass":10.21,"alt":5.06,"az":319.8,"t":"2026-12-21T19:15:00Z","terrain":-0.19},{"above_terrain":true,"airmass":11.31,"alt":4.46,"az":320.6,"t":"2026-12-21T19:20:00Z","terrain":-0.2},{"above_terrain":true,"airmass":12.62,"alt":3.87,"az":321.4,"t":"2026-12-21T19:25:00Z","terrain":-0.06},{"above_terrain":true,"airmass":14.22,"alt":3.29,"az":322.1,"t":"2026-12-21T19:30:00Z","terrain":0.19},{"above_terrain":true,"airmass":16.17,"alt":2.72,"az":322.9,"t":"2026-12-21T19:35:00Z","terrain":0.09},{"above_terrain":true,"airmass":18.62,"alt":2.16,"az":323.7,"t":"2026-12-21T19:40:00Z","terrain":-0.13},{"above_terrain":true,"airmass":21.71,"alt":1.61,"az":324.5,"t":"2026-12-21T19:45:00Z","terrain":-0.2},{"above_terrain":true,"airmass":25.68,"alt":1.07,"az":325.4,"t":"2026-12-21T19:50:00Z","terrain":-0.21},{"above_terrain":true,"airmass":30.82,"alt":0.55,"az":326.2,"t":"2026-12-21T19:55:00Z","terrain":-0.27},{"above_terrain":true,"airmass":37.45,"alt":0.03,"az":327.0,"t":"2026-12-21T20:00:00Z","terrain":-0.39},{"above_terrain":false,"airmass":null,"alt":-0.47,"az":327.9,"t":"2026-12-21T20:05:00Z","terrain":-0.25},{"above_terrain":false,"airmass":null,"alt":-0.96,"az":328.7,"t":"2026-12-21T20:10:00Z","terrain":-0.16},{"above_terrain":false,"airmass":null,"alt":-1.44,"az":329.5,"t":"2026-12-21T20:15:00Z","terrain":-0.25},{"above_terrain":false,"airmass":null,"alt":-1.91,"az":330.4,"t":"2026-12-21T20:20:00Z","terrain":-0.37},{"above_terrain":false,"airmass":null,"alt":-2.37,"az":331.3,"t":"2026-12-21T20:25:00Z","terrain":-0.32},{"above_terrain":false,"airmass":null,"alt":-2.81,"az":332.1,"t":"2026-12-21T20:30:00Z","terrain":-0.14},{"above_terrain":false,"airmass":null,"alt":-3.24,"az":333.0,"t":"2026-12-21T20:35:00Z","terrain":-0.12},{"above_terrain":false,"airmass":null,"alt":-3.66,"az":333.9,"t":"2026-12-21T20:40:00Z","terrain":-0.22},{"above_terrain":false,"airmass":null,"alt":-4.07,"az":334.8,"t":"2026-12-21T20:45:00Z","terrain":-0.51},{"above_terrain":false,"airmass":null,"alt":-4.46,"az":335.7,"t":"2026-12-21T20:50:00Z","terrain":-0.75},{"above_terrain":false,"airmass":null,"alt":-4.84,"az":336.6,"t":"2026-12-21T20:55:00Z","terrain":-0.77},{"above_terrain":false,"airmass":null,"alt":-5.2,"az":337.5,"t":"2026-12-21T21:00:00Z","terrain":-0.6},{"above_terrain":false,"airmass":null,"alt":-5.55,"az":338.4,"t":"2026-12-21T21:05:00Z","terrain":-0.59},{"above_terrain":false,"airmass":null,"alt":-5.89,"az":339.3,"t":"2026-12-21T21:10:00Z","terrain":-0.68},{"above_terrain":false,"airmass":null,"alt":-6.22,"az":340.3,"t":"2026-12-21T21:15:00Z","terrain":-0.51},{"above_terrain":false,"airmass":null,"alt":-6.52,"az":341.2,"t":"2026-12-21T21:20:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-6.82,"az":342.1,"t":"2026-12-21T21:25:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-7.1,"az":343.1,"t":"2026-12-21T21:30:00Z","terrain":-0.39},{"above_terrain":false,"airmass":null,"alt":-7.36,"az":344.0,"t":"2026-12-21T21:35:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-7.61,"az":345.0,"t":"2026-12-21T21:40:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-7.85,"az":345.9,"t":"2026-12-21T21:45:00Z","terrain":-0.54},{"above_terrain":false,"airmass":null,"alt":-8.07,"az":346.9,"t":"2026-12-21T21:50:00Z","terrain":-0.43},{"above_terrain":false,"airmass":null,"alt":-8.27,"az":347.9,"t":"2026-12-21T21:55:00Z","terrain":-0.18},{"above_terrain":false,"airmass":null,"alt":-8.46,"az":348.8,"t":"2026-12-21T22:00:00Z","terrain":-0.02},{"above_terrain":false,"airmass":null,"alt":-8.64,"az":349.8,"t":"2026-12-21T22:05:00Z","terrain":0.11},{"above_terrain":false,"airmass":null,"alt":-8.79,"az":350.8,"t":"2026-12-21T22:10:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-8.94,"az":351.8,"t":"2026-12-21T22:15:00Z","terrain":0.24},{"above_terrain":false,"airmass":null,"alt":-9.06,"az":352.7,"t":"2026-12-21T22:20:00Z","terrain":0.44},{"above_terrain":false,"airmass":null,"alt":-9.17,"az":353.7,"t":"2026-12-21T22:25:00Z","terrain":0.59},{"above_terrain":false,"airmass":null,"alt":-9.27,"az":354.7,"t":"2026-12-21T22:30:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-9.35,"az":355.7,"t":"2026-12-21T22:35:00Z","terrain":0.71},{"above_terrain":false,"airmass":null,"alt":-9.41,"az":356.7,"t":"2026-12-21T22:40:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-9.45,"az":357.7,"t":"2026-12-21T22:45:00Z","terrain":0.66},{"above_terrain":false,"airmass":null,"alt":-9.48,"az":358.7,"t":"2026-12-21T22:50:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-9.5,"az":359.6,"t":"2026-12-21T22:55:00Z","terrain":0.54},{"above_terrain":false,"airmass":null,"alt":-9.5,"az":0.6,"t":"2026-12-21T23:00:00Z","terrain":0.42},{"above_terrain":false,"airmass":null,"alt":-9.48,"az":1.6,"t":"2026-12-21T23:05:00Z","terrain":0.21},{"above_terrain":false,"airmass":null,"alt":-9.44,"az":2.6,"t":"2026-12-21T23:10:00Z","terrain":-0.03},{"above_terrain":false,"airmass":null,"alt":-9.39,"az":3.6,"t":"2026-12-21T23:15:00Z","terrain":-0.22},{"above_terrain":false,"airmass":null,"alt":-9.32,"az":4.6,"t":"2026-12-21T23:20:00Z","terrain":-0.37},{"above_terrain":false,"airmass":null,"alt":-9.24,"az":5.6,"t":"2026-12-21T23:25:00Z","terrain":-0.52},{"above_terrain":false,"airmass":null,"alt":-9.14,"az":6.6,"t":"2026-12-21T23:30:00Z","terrain":-0.49},{"above_terrain":false,"airmass":null,"alt":-9.03,"az":7.5,"t":"2026-12-21T23:35:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-8.9,"az":8.5,"t":"2026-12-21T23:40:00Z","terrain":-0.54},{"above_terrain":false,"airmass":null,"alt":-8.75,"az":9.5,"t":"2026-12-21T23:45:00Z","terrain":-0.63},{"above_terrain":false,"airmass":null,"alt":-8.59,"az":10.5,"t":"2026-12-21T23:50:00Z","terrain":-0.51},{"above_terrain":false,"airmass":null,"alt":-8.41,"az":11.4,"t":"2026-12-21T23:55:00Z","terrain":-0.3},{"above_terrain":false,"airmass":null,"alt":-8.22,"az":12.4,"t":"2026-12-22T00:00:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-8.01,"az":13.4,"t":"2026-12-22T00:05:00Z","terrain":-0.01},{"above_terrain":false,"airmass":null,"alt":-7.78,"az":14.3,"t":"2026-12-22T00:10:00Z","terrain":0.2},{"above_terrain":false,"airmass":null,"alt":-7.54,"az":15.3,"t":"2026-12-22T00:15:00Z","terrain":0.43},{"above_terrain":false,"airmass":null,"alt":-7.29,"az":16.2,"t":"2026-12-22T00:20:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-7.02,"az":17.2,"t":"2026-12-22T00:25:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-6.74,"az":18.1,"t":"2026-12-22T00:30:00Z","terrain":0.54},{"above_terrain":false,"airmass":null,"alt":-6.44,"az":19.1,"t":"2026-12-22T00:35:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-6.13,"az":20.0,"t":"2026-12-22T00:40:00Z","terrain":0.67},{"above_terrain":false,"airmass":null,"alt":-5.8,"az":20.9,"t":"2026-12-22T00:45:00Z","terrain":0.69},{"above_terrain":false,"airmass":null,"alt":-5.46,"az":21.8,"t":"2026-12-22T00:50:00Z","terrain":0.94},{"above_terrain":false,"airmass":null,"alt":-5.1,"az":22.8,"t":"2026-12-22T00:55:00Z","terrain":1.12},{"above_terrain":false,"airmass":null,"alt":-4.73,"az":23.7,"t":"2026-12-22T01:00:00Z","terrain":1.0},{"above_terrain":false,"airmass":null,"alt":-4.35,"az":24.6,"t":"2026-12-22T01:05:00Z","terrain":1.09},{"above_terrain":false,"airmass":null,"alt":-3.96,"az":25.5,"t":"2026-12-22T01:10:00Z","terrain":1.28},{"above_terrain":false,"airmass":null,"alt":-3.55,"az":26.3,"t":"2026-12-22T01:15:00Z","terrain":1.32},{"above_terrain":false,"airmass":null,"alt":-3.12,"az":27.2,"t":"2026-12-22T01:20:00Z","terrain":1.26},{"above_terrain":false,"airmass":null,"alt":-2.69,"az":28.1,"t":"2026-12-22T01:25:00Z","terrain":1.17},{"above_terrain":false,"airmass":null,"alt":-2.24,"az":29.0,"t":"2026-12-22T01:30:00Z","terrain":1.0},{"above_terrain":false,"airmass":null,"alt":-1.78,"az":29.8,"t":"2026-12-22T01:35:00Z","terrain":1.13},{"above_terrain":false,"airmass":null,"alt":-1.31,"az":30.7,"t":"2026-12-22T01:40:00Z","terrain":1.26},{"above_terrain":false,"airmass":null,"alt":-0.83,"az":31.5,"t":"2026-12-22T01:45:00Z","terrain":1.32},{"above_terrain":false,"airmass":null,"alt":-0.33,"az":32.4,"t":"2026-12-22T01:50:00Z","terrain":1.2},{"above_terrain":false,"airmass":35.43,"alt":0.17,"az":33.2,"t":"2026-12-22T01:55:00Z","terrain":0.87},{"above_terrain":true,"airmass":29.24,"alt":0.69,"az":34.0,"t":"2026-12-22T02:00:00Z","terrain":0.41},{"above_terrain":true,"airmass":24.46,"alt":1.22,"az":34.9,"t":"2026-12-22T02:05:00Z","terrain":0.1},{"above_terrain":true,"airmass":20.77,"alt":1.76,"az":35.7,"t":"2026-12-22T02:10:00Z","terrain":0.04},{"above_terrain":true,"airmass":17.88,"alt":2.31,"az":36.5,"t":"2026-12-22T02:15:00Z","terrain":-0.03},{"above_terrain":true,"airmass":15.58,"alt":2.88,"az":37.3,"t":"2026-12-22T02:20:00Z","terrain":-0.12},{"above_terrain":true,"airmass":13.74,"alt":3.45,"az":38.1,"t":"2026-12-22T02:25:00Z","terrain":-0.21},{"above_terrain":true,"airmass":12.23,"alt":4.03,"az":38.9,"t":"2026-12-22T02:30:00Z","terrain":-0.17},{"above_terrain":true,"airmass":10.98,"alt":4.62,"az":39.6,"t":"2026-12-22T02:35:00Z","terrain":-0.09},{"above_terrain":true,"airmass":9.94,"alt":5.23,"az":40.4,"t":"2026-12-22T02:40:00Z","terrain":-0.02},{"above_terrain":true,"airmass":9.05,"alt":5.84,"az":41.2,"t":"2026-12-22T02:45:00Z","terrain":0.04},{"above_terrain":true,"airmass":8.3,"alt":6.46,"az":41.9,"t":"2026-12-22T02:50:00Z","terrain":0.11},{"above_terrain":true,"airmass":7.64,"alt":7.09,"az":42.7,"t":"2026-12-22T02:55:00Z","terrain":0.21},{"above_terrain":true,"airmass":7.07,"alt":7.73,"az":43.4,"t":"2026-12-22T03:00:00Z","terrain":0.32},{"above_terrain":true,"airmass":6.58,"alt":8.37,"az":44.2,"t":"2026-12-22T03:05:00Z","terrain":0.44},{"above_terrain":true,"airmass":6.14,"alt":9.03,"az":44.9,"t":"2026-12-22T03:10:00Z","terrain":0.56},{"above_terrain":true,"airmass":5.75,"alt":9.7,"az":45.6,"t":"2026-12-22T03:15:00Z","terrain":0.64},{"above_terrain":true,"airmass":5.4,"alt":10.37,"az":46.4,"t":"2026-12-22T03:20:00Z","terrain":0.65},{"above_terrain":true,"airmass":5.09,"alt":11.05,"az":47.1,"t":"2026-12-22T03:25:00Z","terrain":0.6},{"above_terrain":true,"airmass":4.81,"alt":11.74,"az":47.8,"t":"2026-12-22T03:30:00Z","terrain":0.55},{"above_terrain":true,"airmass":4.55,"alt":12.44,"az":48.5,"t":"2026-12-22T03:35:00Z","terrain":0.47},{"above_terrain":true,"airmass":4.32,"alt":13.14,"az":49.2,"t":"2026-12-22T03:40:00Z","terrain":0.41},{"above_terrain":true,"airmass":4.11,"alt":13.85,"az":49.9,"t":"2026-12-22T03:45:00Z","terrain":0.4},{"above_terrain":true,"airmass":3.92,"alt":14.57,"az":50.5,"t":"2026-12-22T03:50:00Z","terrain":0.47},{"above_terrain":true,"airmass":3.74,"alt":15.3,"az":51.2,"t":"2026-12-22T03:55:00Z","terrain":0.55},{"above_terrain":true,"airmass":3.58,"alt":16.03,"az":51.9,"t":"2026-12-22T04:00:00Z","terrain":0.62},{"above_terrain":true,"airmass":3.43,"alt":16.77,"az":52.5,"t":"2026-12-22T04:05:00Z","terrain":0.74},{"above_terrain":true,"airmass":3.29,"alt":17.52,"az":53.2,"t":"2026-12-22T04:10:00Z","terrain":0.87},{"above_terrain":true,"airmass":3.16,"alt":18.27,"az":53.9,"t":"2026-12-22T04:15:00Z","terrain":0.98},{"above_terrain":true,"airmass":3.04,"alt":19.03,"az":54.5,"t":"2026-12-22T04:20:00Z","terrain":1.04},{"above_terrain":true,"airmass":2.93,"alt":19.79,"az":55.2,"t":"2026-12-22T04:25:00Z","terrain":1.08},{"above_terrain":true,"airmass":2.83,"alt":20.56,"az":55.8,"t":"2026-12-22T04:30:00Z","terrain":1.06},{"above_terrain":true,"airmass":2.73,"alt":21.34,"az":56.4,"t":"2026-12-22T04:35:00Z","terrain":1.06},{"above_terrain":true,"airmass":2.64,"alt":22.12,"az":57.1,"t":"2026-12-22T04:40:00Z","terrain":1.08},{"above_terrain":true,"airmass":2.56,"alt":22.91,"az":57.7,"t":"2026-12-22T04:45:00Z","terrain":1.19},{"above_terrain":true,"airmass":2.48,"alt":23.71,"az":58.3,"t":"2026-12-22T04:50:00Z","terrain":1.24},{"above_terrain":true,"airmass":2.4,"alt":24.51,"az":58.9,"t":"2026-12-22T04:55:00Z","terrain":1.21},{"above_terrain":true,"airmass":2.33,"alt":25.31,"az":59.5,"t":"2026-12-22T05:00:00Z","terrain":1.19},{"above_terrain":true,"airmass":2.26,"alt":26.12,"az":60.1,"t":"2026-12-22T05:05:00Z","terrain":1.16},{"above_terrain":true,"airmass":2.2,"alt":26.93,"az":60.7,"t":"2026-12-22T05:10:00Z","terrain":1.11},{"above_terrain":true,"airmass":2.14,"alt":27.75,"az":61.3,"t":"2026-12-22T05:15:00Z","terrain":1.06},{"above_terrain":true,"airmass":2.08,"alt":28.57,"az":61.9,"t":"2026-12-22T05:20:00Z","terrain":1.02},{"above_terrain":true,"airmass":2.03,"alt":29.4,"az":62.5,"t":"2026-12-22T05:25:00Z","terrain":0.96},{"above_terrain":true,"airmass":1.98,"alt":30.24,"az":63.1,"t":"2026-12-22T05:30:00Z","terrain":0.89},{"above_terrain":true,"airmass":1.93,"alt":31.07,"az":63.7,"t":"2026-12-22T05:35:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.89,"alt":31.91,"az":64.3,"t":"2026-12-22T05:40:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.84,"alt":32.76,"az":64.9,"t":"2026-12-22T05:45:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.8,"alt":33.61,"az":65.4,"t":"2026-12-22T05:50:00Z","terrain":0.8},{"above_terrain":true,"airmass":1.76,"alt":34.46,"az":66.0,"t":"2026-12-22T05:55:00Z","terrain":0.83},{"above_terrain":true,"airmass":1.73,"alt":35.32,"az":66.6,"t":"2026-12-22T06:00:00Z","terrain":0.89},{"above_terrain":true,"airmass":1.69,"alt":36.18,"az":67.1,"t":"2026-12-22T06:05:00Z","terrain":0.94},{"above_terrain":true,"airmass":1.66,"alt":37.04,"az":67.7,"t":"2026-12-22T06:10:00Z","terrain":0.97},{"above_terrain":true,"airmass":1.62,"alt":37.91,"az":68.3,"t":"2026-12-22T06:15:00Z","terrain":1.01},{"above_terrain":true,"airmass":1.59,"alt":38.78,"az":68.8,"t":"2026-12-22T06:20:00Z","terrain":1.04},{"above_terrain":true,"airmass":1.56,"alt":39.66,"az":69.4,"t":"2026-12-22T06:25:00Z","terrain":1.12},{"above_terrain":true,"airmass":1.54,"alt":40.53,"az":70.0,"t":"2026-12-22T06:30:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.51,"alt":41.42,"az":70.5,"t":"2026-12-22T06:35:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.48,"alt":42.3,"az":71.1,"t":"2026-12-22T06:40:00Z","terrain":1.26},{"above_terrain":true,"airmass":1.46,"alt":43.19,"az":71.6,"t":"2026-12-22T06:45:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.44,"alt":44.08,"az":72.2,"t":"2026-12-22T06:50:00Z","terrain":1.16},{"above_terrain":true,"airmass":1.41,"alt":44.97,"az":72.8,"t":"2026-12-22T06:55:00Z","terrain":1.04},{"above_terrain":true,"airmass":1.39,"alt":45.86,"az":73.3,"t":"2026-12-22T07:00:00Z","terrain":0.91},{"above_terrain":true,"airmass":1.37,"alt":46.76,"az":73.9,"t":"2026-12-22T07:05:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.35,"alt":47.66,"az":74.4,"t":"2026-12-22T07:10:00Z","terrain":0.69},{"above_terrain":true,"airmass":1.33,"alt":48.56,"az":75.0,"t":"2026-12-22T07:15:00Z","terrain":0.63},{"above_terrain":true,"airmass":1.31,"alt":49.47,"az":75.5,"t":"2026-12-22T07:20:00Z","terrain":0.68},{"above_terrain":true,"airmass":1.3,"alt":50.38,"az":76.1,"t":"2026-12-22T07:25:00Z","terrain":0.72},{"above_terrain":true,"airmass":1.28,"alt":51.29,"az":76.7,"t":"2026-12-22T07:30:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.26,"alt":52.2,"az":77.2,"t":"2026-12-22T07:35:00Z","terrain":0.68},{"above_terrain":true,"airmass":1.25,"alt":53.11,"az":77.8,"t":"2026-12-22T07:40:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.23,"alt":54.03,"az":78.4,"t":"2026-12-22T07:45:00Z","terrain":0.61},{"above_terrain":true,"airmass":1.22,"alt":54.95,"az":78.9,"t":"2026-12-22T07:50:00Z","terrain":0.57},{"above_terrain":true,"airmass":1.21,"alt":55.87,"az":79.5,"t":"2026-12-22T07:55:00Z","terrain":0.51},{"above_terrain":true,"airmass":1.19,"alt":56.79,"az":80.1,"t":"2026-12-22T08:00:00Z","terrain":0.48},{"above_terrain":true,"airmass":1.18,"alt":57.71,"az":80.7,"t":"2026-12-22T08:05:00Z","terrain":0.61},{"above_terrain":true,"airmass":1.17,"alt":58.63,"az":81.3,"t":"2026-12-22T08:10:00Z","terrain":0.72},{"above_terrain":true,"airmass":1.16,"alt":59.56,"az":81.9,"t":"2026-12-22T08:15:00Z","terrain":0.79},{"above_terrain":true,"airmass":1.15,"alt":60.49,"az":82.5,"t":"2026-12-22T08:20:00Z","terrain":0.63},{"above_terrain":true,"airmass":1.14,"alt":61.42,"az":83.1,"t":"2026-12-22T08:25:00Z","terrain":0.46},{"above_terrain":true,"airmass":1.13,"alt":62.35,"az":83.8,"t":"2026-12-22T08:30:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.12,"alt":63.28,"az":84.4,"t":"2026-12-22T08:35:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.11,"alt":64.21,"az":85.1,"t":"2026-12-22T08:40:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.1,"alt":65.14,"az":85.8,"t":"2026-12-22T08:45:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.09,"alt":66.08,"az":86.5,"t":"2026-12-22T08:50:00Z","terrain":0.12},{"above_terrain":true,"airmass":1.09,"alt":67.01,"az":87.2,"t":"2026-12-22T08:55:00Z","terrain":0.05},{"above_terrain":true,"airmass":1.08,"alt":67.94,"az":87.9,"t":"2026-12-22T09:00:00Z","terrain":-0.06},{"above_terrain":true,"airmass":1.07,"alt":68.88,"az":88.7,"t":"2026-12-22T09:05:00Z","terrain":-0.16},{"above_terrain":true,"airmass":1.06,"alt":69.82,"az":89.5,"t":"2026-12-22T09:10:00Z","terrain":-0.21},{"above_terrain":true,"airmass":1.06,"alt":70.75,"az":90.3,"t":"2026-12-22T09:15:00Z","terrain":-0.18},{"above_terrain":true,"airmass":1.05,"alt":71.69,"az":91.2,"t":"2026-12-22T09:20:00Z","terrain":-0.06},{"above_terrain":true,"airmass":1.05,"alt":72.62,"az":92.1,"t":"2026-12-22T09:25:00Z","terrain":0.12},{"above_terrain":true,"airmass":1.04,"alt":73.56,"az":93.0,"t":"2026-12-22T09:30:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.04,"alt":74.49,"az":94.1,"t":"2026-12-22T09:35:00Z","terrain":0.41},{"above_terrain":true,"airmass":1.03,"alt":75.43,"az":95.2,"t":"2026-12-22T09:40:00Z","terrain":0.41},{"above_terrain":true,"airmass":1.03,"alt":76.36,"az":96.4,"t":"2026-12-22T09:45:00Z","terrain":0.62},{"above_terrain":true,"airmass":1.02,"alt":77.29,"az":97.7,"t":"2026-12-22T09:50:00Z","terrain":0.69},{"above_terrain":true,"airmass":1.02,"alt":78.21,"az":99.2,"t":"2026-12-22T09:55:00Z","terrain":0.44},{"above_terrain":true,"airmass":1.02,"alt":79.13,"az":100.8,"t":"2026-12-22T10:00:00Z","terrain":0.11}],"transit":{"airmass":1.0,"alt":87.1,"az":184.8,"t":"2026-12-21T11:00:00Z"},"usable_hours":0.92,"verdict":"poor","zenith_passage":true},"warnings":["No cloud data for this night (beyond the 4-day forecast, or not yet in the archive) \u2014 the score is geometry only."]}