{"assessment":{"best_window":{"end":"2028-02-21T03:40Z","end_local":"05:40","hours":0.58,"label":"good","mean_quality":0.69,"start":"2028-02-21T03:05Z","start_local":"05:05"},"cost":{"altitude":9.76,"clouds":0.0,"darkness":1.15,"moon":0.03},"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":22,"cloud":null,"high":null,"iso":"2028-02-20T16:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-49,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"18:00","wind":null},{"alt":14,"cloud":null,"high":null,"iso":"2028-02-20T17:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-60,"precip":null,"q":0.0,"rh":null,"sky":"nautical twilight","temp":null,"time":"19:00","wind":null},{"alt":7,"cloud":null,"high":null,"iso":"2028-02-20T18:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-69,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"20:00","wind":null},{"alt":2,"cloud":null,"high":null,"iso":"2028-02-20T19:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-73,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"21:00","wind":null},{"alt":-2,"cloud":null,"high":null,"iso":"2028-02-20T20:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-71,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"22:00","wind":null},{"alt":-4,"cloud":null,"high":null,"iso":"2028-02-20T21:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-63,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":-3,"cloud":null,"high":null,"iso":"2028-02-20T22:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-53,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":-1,"cloud":null,"high":null,"iso":"2028-02-20T23:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-42,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":3,"cloud":null,"high":null,"iso":"2028-02-21T00:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-31,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":9,"cloud":null,"high":null,"iso":"2028-02-21T01:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-21,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":17,"cloud":null,"high":null,"iso":"2028-02-21T02:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-10,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":25,"cloud":null,"high":null,"iso":"2028-02-21T03:00Z","label":"marginal","low":null,"mid":null,"moon_alt":-1,"precip":null,"q":0.6,"rh":null,"sky":"night","temp":null,"time":"05:00","wind":null},{"alt":34,"cloud":null,"high":null,"iso":"2028-02-21T04:00Z","label":"marginal","low":null,"mid":null,"moon_alt":8,"precip":null,"q":0.39,"rh":null,"sky":"astronomical twilight","temp":null,"time":"06:00","wind":null},{"alt":44,"cloud":null,"high":null,"iso":"2028-02-21T05:00Z","label":"unusable","low":null,"mid":null,"moon_alt":15,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"07:00","wind":null}],"peak_quality":0.77,"peak_sky":0.77,"quality_hours":0.97,"reasons":["the target being low or below 20\u00b0 cost 9.8 quality-hours","daylight and twilight cost 1.2 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":19,"score_weather":null,"sky_hours":0.97,"verdict":"unknown","verdict_astronomy":"poor","weather_known":false,"windows":[{"end":"2028-02-21T02:30Z","end_local":"04:30","hours":10.58,"label":"unusable","mean_quality":0.0,"start":"2028-02-20T15:55Z","start_local":"17:55"},{"end":"2028-02-21T03:05Z","end_local":"05:05","hours":0.58,"label":"marginal","mean_quality":0.51,"start":"2028-02-21T02:30Z","start_local":"04:30"},{"end":"2028-02-21T03:40Z","end_local":"05:40","hours":0.58,"label":"good","mean_quality":0.69,"start":"2028-02-21T03:05Z","start_local":"05:05"},{"end":"2028-02-21T04:10Z","end_local":"06:10","hours":0.5,"label":"marginal","mean_quality":0.39,"start":"2028-02-21T03:40Z","start_local":"05:40"},{"end":"2028-02-21T04:45Z","end_local":"06:45","hours":0.58,"label":"poor","mean_quality":0.12,"start":"2028-02-21T04:10Z","start_local":"06:10"},{"end":"2028-02-21T05:10Z","end_local":"07:10","hours":0.42,"label":"unusable","mean_quality":0.0,"start":"2028-02-21T04:45Z","start_local":"06:45"}]},"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":"2028-02-20T17:32:39Z","dark_hours":10.06,"dark_to":"2028-02-21T03:36:19Z","moon":{"illumination":0.171,"phase":"waning crescent","waxing":false},"moon_free_dark_hours":9.55,"moonrise":"2028-02-21T03:06:37Z","moonset":"2028-02-20T11:06:04Z","sunrise":"2028-02-21T05:08:59Z","sunset":"2028-02-20T15:59:46Z","twilight":{"astronomical":{"end":"2028-02-20T17:32:39Z","start":"2028-02-21T03:36:19Z"},"civil":{"end":"2028-02-20T16:28:04Z","start":"2028-02-21T04:40:46Z"},"nautical":{"end":"2028-02-20T17:00:27Z","start":"2028-02-21T04:08:27Z"}},"window_end":"2028-02-21T10:00:00Z","window_start":"2028-02-20T10:00:00Z"},"night_date":"2028-02-20","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.98,"alt":30.2,"t":"2028-02-21T03:35:00Z"},"dec":44.25788576,"dec_of_date":44.3684,"dec_str":"+44\u00b0 15' 28.4\"","good_hours":0.08,"limit_rise":"2028-02-21T02:25:24Z","limit_set":"2028-02-20T16:13:45Z","max_az_rate_deg_per_min":3.8,"moon_separation":74.2,"never_rises":false,"ra":314.72388973,"ra_of_date":314.976,"ra_str":"20h 58m 53.7s","resolved":{"dec":44.25788576,"name":"EM* LkHA 190","ra":314.72388973,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=V1057%20Cyg","source":"sesame","spectral_type":"F7/G3I/IIe","type":"Or*","type_text":"Orion-type variable \u2014 a young, erupting star","vmag":12.33},"summary":"Just 1.2 h above 20\u00b0 in darkness \u2014 barely observable tonight.","terrain":{"available":true,"behind_at":"2028-02-20T19:29:41Z","blocked_dark_hours":0,"clears_at":"2028-02-20T23:32:15Z","rise_az":294.0},"track":[{"above_terrain":true,"airmass":1.01,"alt":82.47,"az":294.0,"t":"2028-02-20T10:00:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.01,"alt":81.61,"az":292.2,"t":"2028-02-20T10:05:00Z","terrain":0.48},{"above_terrain":true,"airmass":1.01,"alt":80.74,"az":290.9,"t":"2028-02-20T10:10:00Z","terrain":0.46},{"above_terrain":true,"airmass":1.02,"alt":79.86,"az":289.8,"t":"2028-02-20T10:15:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.02,"alt":78.98,"az":289.0,"t":"2028-02-20T10:20:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.02,"alt":78.09,"az":288.3,"t":"2028-02-20T10:25:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.03,"alt":77.2,"az":287.8,"t":"2028-02-20T10:30:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.03,"alt":76.31,"az":287.5,"t":"2028-02-20T10:35:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.03,"alt":75.41,"az":287.2,"t":"2028-02-20T10:40:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.04,"alt":74.52,"az":287.0,"t":"2028-02-20T10:45:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.04,"alt":73.62,"az":286.9,"t":"2028-02-20T10:50:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.05,"alt":72.73,"az":286.8,"t":"2028-02-20T10:55:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.05,"alt":71.83,"az":286.8,"t":"2028-02-20T11:00:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.06,"alt":70.94,"az":286.8,"t":"2028-02-20T11:05:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.06,"alt":70.04,"az":286.9,"t":"2028-02-20T11:10:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.07,"alt":69.15,"az":287.0,"t":"2028-02-20T11:15:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.08,"alt":68.25,"az":287.1,"t":"2028-02-20T11:20:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.08,"alt":67.36,"az":287.3,"t":"2028-02-20T11:25:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.09,"alt":66.46,"az":287.5,"t":"2028-02-20T11:30:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.1,"alt":65.57,"az":287.7,"t":"2028-02-20T11:35:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.11,"alt":64.68,"az":287.9,"t":"2028-02-20T11:40:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.11,"alt":63.79,"az":288.1,"t":"2028-02-20T11:45:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.12,"alt":62.9,"az":288.4,"t":"2028-02-20T11:50:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.13,"alt":62.01,"az":288.6,"t":"2028-02-20T11:55:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.14,"alt":61.13,"az":288.9,"t":"2028-02-20T12:00:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.15,"alt":60.24,"az":289.2,"t":"2028-02-20T12:05:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.16,"alt":59.36,"az":289.5,"t":"2028-02-20T12:10:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.17,"alt":58.48,"az":289.8,"t":"2028-02-20T12:15:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.18,"alt":57.6,"az":290.1,"t":"2028-02-20T12:20:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.2,"alt":56.72,"az":290.5,"t":"2028-02-20T12:25:00Z","terrain":0.38},{"above_terrain":true,"airmass":1.21,"alt":55.84,"az":290.8,"t":"2028-02-20T12:30:00Z","terrain":0.45},{"above_terrain":true,"airmass":1.22,"alt":54.97,"az":291.1,"t":"2028-02-20T12:35:00Z","terrain":0.5},{"above_terrain":true,"airmass":1.23,"alt":54.1,"az":291.5,"t":"2028-02-20T12:40:00Z","terrain":0.52},{"above_terrain":true,"airmass":1.25,"alt":53.23,"az":291.9,"t":"2028-02-20T12:45:00Z","terrain":0.54},{"above_terrain":true,"airmass":1.26,"alt":52.36,"az":292.2,"t":"2028-02-20T12:50:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.28,"alt":51.5,"az":292.6,"t":"2028-02-20T12:55:00Z","terrain":0.38},{"above_terrain":true,"airmass":1.29,"alt":50.63,"az":293.0,"t":"2028-02-20T13:00:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.31,"alt":49.77,"az":293.4,"t":"2028-02-20T13:05:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.33,"alt":48.91,"az":293.8,"t":"2028-02-20T13:10:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.34,"alt":48.06,"az":294.2,"t":"2028-02-20T13:15:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.36,"alt":47.21,"az":294.6,"t":"2028-02-20T13:20:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.38,"alt":46.36,"az":295.0,"t":"2028-02-20T13:25:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.4,"alt":45.51,"az":295.4,"t":"2028-02-20T13:30:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.42,"alt":44.67,"az":295.9,"t":"2028-02-20T13:35:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.44,"alt":43.83,"az":296.3,"t":"2028-02-20T13:40:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.46,"alt":42.99,"az":296.7,"t":"2028-02-20T13:45:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.49,"alt":42.15,"az":297.2,"t":"2028-02-20T13:50:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.51,"alt":41.32,"az":297.6,"t":"2028-02-20T13:55:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.54,"alt":40.5,"az":298.1,"t":"2028-02-20T14:00:00Z","terrain":0.12},{"above_terrain":true,"airmass":1.56,"alt":39.67,"az":298.5,"t":"2028-02-20T14:05:00Z","terrain":0.15},{"above_terrain":true,"airmass":1.59,"alt":38.85,"az":299.0,"t":"2028-02-20T14:10:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.62,"alt":38.04,"az":299.5,"t":"2028-02-20T14:15:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.65,"alt":37.22,"az":300.0,"t":"2028-02-20T14:20:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.68,"alt":36.41,"az":300.4,"t":"2028-02-20T14:25:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.71,"alt":35.61,"az":300.9,"t":"2028-02-20T14:30:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.75,"alt":34.81,"az":301.4,"t":"2028-02-20T14:35:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.78,"alt":34.01,"az":301.9,"t":"2028-02-20T14:40:00Z","terrain":0.1},{"above_terrain":true,"airmass":1.82,"alt":33.22,"az":302.4,"t":"2028-02-20T14:45:00Z","terrain":-0.05},{"above_terrain":true,"airmass":1.86,"alt":32.43,"az":302.9,"t":"2028-02-20T14:50:00Z","terrain":-0.21},{"above_terrain":true,"airmass":1.9,"alt":31.65,"az":303.4,"t":"2028-02-20T14:55:00Z","terrain":-0.17},{"above_terrain":true,"airmass":1.94,"alt":30.87,"az":304.0,"t":"2028-02-20T15:00:00Z","terrain":-0.11},{"above_terrain":true,"airmass":1.99,"alt":30.09,"az":304.5,"t":"2028-02-20T15:05:00Z","terrain":-0.19},{"above_terrain":true,"airmass":2.04,"alt":29.33,"az":305.0,"t":"2028-02-20T15:10:00Z","terrain":-0.29},{"above_terrain":true,"airmass":2.08,"alt":28.56,"az":305.5,"t":"2028-02-20T15:15:00Z","terrain":-0.22},{"above_terrain":true,"airmass":2.14,"alt":27.8,"az":306.1,"t":"2028-02-20T15:20:00Z","terrain":-0.14},{"above_terrain":true,"airmass":2.19,"alt":27.05,"az":306.6,"t":"2028-02-20T15:25:00Z","terrain":0.05},{"above_terrain":true,"airmass":2.25,"alt":26.3,"az":307.2,"t":"2028-02-20T15:30:00Z","terrain":0.21},{"above_terrain":true,"airmass":2.31,"alt":25.56,"az":307.7,"t":"2028-02-20T15:35:00Z","terrain":0.28},{"above_terrain":true,"airmass":2.37,"alt":24.82,"az":308.3,"t":"2028-02-20T15:40:00Z","terrain":0.27},{"above_terrain":true,"airmass":2.44,"alt":24.09,"az":308.9,"t":"2028-02-20T15:45:00Z","terrain":0.19},{"above_terrain":true,"airmass":2.51,"alt":23.36,"az":309.4,"t":"2028-02-20T15:50:00Z","terrain":0.19},{"above_terrain":true,"airmass":2.58,"alt":22.64,"az":310.0,"t":"2028-02-20T15:55:00Z","terrain":0.22},{"above_terrain":true,"airmass":2.66,"alt":21.93,"az":310.6,"t":"2028-02-20T16:00:00Z","terrain":0.31},{"above_terrain":true,"airmass":2.75,"alt":21.22,"az":311.2,"t":"2028-02-20T16:05:00Z","terrain":0.32},{"above_terrain":true,"airmass":2.83,"alt":20.52,"az":311.8,"t":"2028-02-20T16:10:00Z","terrain":0.18},{"above_terrain":true,"airmass":2.93,"alt":19.83,"az":312.4,"t":"2028-02-20T16:15:00Z","terrain":0.19},{"above_terrain":true,"airmass":3.03,"alt":19.14,"az":313.0,"t":"2028-02-20T16:20:00Z","terrain":0.27},{"above_terrain":true,"airmass":3.13,"alt":18.46,"az":313.6,"t":"2028-02-20T16:25:00Z","terrain":0.39},{"above_terrain":true,"airmass":3.24,"alt":17.78,"az":314.2,"t":"2028-02-20T16:30:00Z","terrain":0.49},{"above_terrain":true,"airmass":3.36,"alt":17.12,"az":314.9,"t":"2028-02-20T16:35:00Z","terrain":0.55},{"above_terrain":true,"airmass":3.49,"alt":16.46,"az":315.5,"t":"2028-02-20T16:40:00Z","terrain":0.52},{"above_terrain":true,"airmass":3.63,"alt":15.81,"az":316.1,"t":"2028-02-20T16:45:00Z","terrain":0.45},{"above_terrain":true,"airmass":3.77,"alt":15.16,"az":316.8,"t":"2028-02-20T16:50:00Z","terrain":0.34},{"above_terrain":true,"airmass":3.93,"alt":14.52,"az":317.4,"t":"2028-02-20T16:55:00Z","terrain":0.31},{"above_terrain":true,"airmass":4.1,"alt":13.89,"az":318.1,"t":"2028-02-20T17:00:00Z","terrain":0.28},{"above_terrain":true,"airmass":4.28,"alt":13.27,"az":318.8,"t":"2028-02-20T17:05:00Z","terrain":-0.03},{"above_terrain":true,"airmass":4.48,"alt":12.66,"az":319.4,"t":"2028-02-20T17:10:00Z","terrain":-0.17},{"above_terrain":true,"airmass":4.69,"alt":12.06,"az":320.1,"t":"2028-02-20T17:15:00Z","terrain":-0.2},{"above_terrain":true,"airmass":4.92,"alt":11.46,"az":320.8,"t":"2028-02-20T17:20:00Z","terrain":-0.2},{"above_terrain":true,"airmass":5.17,"alt":10.87,"az":321.5,"t":"2028-02-20T17:25:00Z","terrain":-0.0},{"above_terrain":true,"airmass":5.44,"alt":10.29,"az":322.2,"t":"2028-02-20T17:30:00Z","terrain":0.19},{"above_terrain":true,"airmass":5.73,"alt":9.73,"az":322.9,"t":"2028-02-20T17:35:00Z","terrain":0.09},{"above_terrain":true,"airmass":6.06,"alt":9.17,"az":323.6,"t":"2028-02-20T17:40:00Z","terrain":-0.09},{"above_terrain":true,"airmass":6.41,"alt":8.61,"az":324.3,"t":"2028-02-20T17:45:00Z","terrain":-0.2},{"above_terrain":true,"airmass":6.8,"alt":8.07,"az":325.0,"t":"2028-02-20T17:50:00Z","terrain":-0.19},{"above_terrain":true,"airmass":7.23,"alt":7.54,"az":325.8,"t":"2028-02-20T17:55:00Z","terrain":-0.23},{"above_terrain":true,"airmass":7.71,"alt":7.02,"az":326.5,"t":"2028-02-20T18:00:00Z","terrain":-0.31},{"above_terrain":true,"airmass":8.24,"alt":6.51,"az":327.2,"t":"2028-02-20T18:05:00Z","terrain":-0.35},{"above_terrain":true,"airmass":8.83,"alt":6.01,"az":328.0,"t":"2028-02-20T18:10:00Z","terrain":-0.23},{"above_terrain":true,"airmass":9.5,"alt":5.52,"az":328.7,"t":"2028-02-20T18:15:00Z","terrain":-0.16},{"above_terrain":true,"airmass":10.25,"alt":5.04,"az":329.5,"t":"2028-02-20T18:20:00Z","terrain":-0.24},{"above_terrain":true,"airmass":11.09,"alt":4.57,"az":330.3,"t":"2028-02-20T18:25:00Z","terrain":-0.36},{"above_terrain":true,"airmass":12.05,"alt":4.11,"az":331.0,"t":"2028-02-20T18:30:00Z","terrain":-0.38},{"above_terrain":true,"airmass":13.15,"alt":3.66,"az":331.8,"t":"2028-02-20T18:35:00Z","terrain":-0.19},{"above_terrain":true,"airmass":14.41,"alt":3.22,"az":332.6,"t":"2028-02-20T18:40:00Z","terrain":-0.13},{"above_terrain":true,"airmass":15.87,"alt":2.8,"az":333.4,"t":"2028-02-20T18:45:00Z","terrain":-0.16},{"above_terrain":true,"airmass":17.56,"alt":2.38,"az":334.2,"t":"2028-02-20T18:50:00Z","terrain":-0.3},{"above_terrain":true,"airmass":19.52,"alt":1.98,"az":335.0,"t":"2028-02-20T18:55:00Z","terrain":-0.58},{"above_terrain":true,"airmass":21.82,"alt":1.59,"az":335.8,"t":"2028-02-20T19:00:00Z","terrain":-0.78},{"above_terrain":true,"airmass":24.52,"alt":1.22,"az":336.6,"t":"2028-02-20T19:05:00Z","terrain":-0.77},{"above_terrain":true,"airmass":27.69,"alt":0.85,"az":337.4,"t":"2028-02-20T19:10:00Z","terrain":-0.62},{"above_terrain":true,"airmass":31.39,"alt":0.5,"az":338.2,"t":"2028-02-20T19:15:00Z","terrain":-0.54},{"above_terrain":true,"airmass":35.69,"alt":0.16,"az":339.1,"t":"2028-02-20T19:20:00Z","terrain":-0.73},{"above_terrain":true,"airmass":null,"alt":-0.17,"az":339.9,"t":"2028-02-20T19:25:00Z","terrain":-0.55},{"above_terrain":false,"airmass":null,"alt":-0.49,"az":340.7,"t":"2028-02-20T19:30:00Z","terrain":-0.46},{"above_terrain":false,"airmass":null,"alt":-0.79,"az":341.6,"t":"2028-02-20T19:35:00Z","terrain":-0.47},{"above_terrain":false,"airmass":null,"alt":-1.08,"az":342.4,"t":"2028-02-20T19:40:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-1.35,"az":343.3,"t":"2028-02-20T19:45:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-1.62,"az":344.1,"t":"2028-02-20T19:50:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-1.87,"az":345.0,"t":"2028-02-20T19:55:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-2.1,"az":345.9,"t":"2028-02-20T20:00:00Z","terrain":-0.53},{"above_terrain":false,"airmass":null,"alt":-2.32,"az":346.7,"t":"2028-02-20T20:05:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-2.53,"az":347.6,"t":"2028-02-20T20:10:00Z","terrain":-0.25},{"above_terrain":false,"airmass":null,"alt":-2.72,"az":348.5,"t":"2028-02-20T20:15:00Z","terrain":-0.07},{"above_terrain":false,"airmass":null,"alt":-2.9,"az":349.4,"t":"2028-02-20T20:20:00Z","terrain":0.05},{"above_terrain":false,"airmass":null,"alt":-3.07,"az":350.3,"t":"2028-02-20T20:25:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-3.22,"az":351.1,"t":"2028-02-20T20:30:00Z","terrain":0.16},{"above_terrain":false,"airmass":null,"alt":-3.36,"az":352.0,"t":"2028-02-20T20:35:00Z","terrain":0.28},{"above_terrain":false,"airmass":null,"alt":-3.48,"az":352.9,"t":"2028-02-20T20:40:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-3.59,"az":353.8,"t":"2028-02-20T20:45:00Z","terrain":0.6},{"above_terrain":false,"airmass":null,"alt":-3.68,"az":354.7,"t":"2028-02-20T20:50:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-3.76,"az":355.6,"t":"2028-02-20T20:55:00Z","terrain":0.7},{"above_terrain":false,"airmass":null,"alt":-3.83,"az":356.5,"t":"2028-02-20T21:00:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-3.88,"az":357.4,"t":"2028-02-20T21:05:00Z","terrain":0.7},{"above_terrain":false,"airmass":null,"alt":-3.91,"az":358.3,"t":"2028-02-20T21:10:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-3.93,"az":359.2,"t":"2028-02-20T21:15:00Z","terrain":0.6},{"above_terrain":false,"airmass":null,"alt":-3.94,"az":0.1,"t":"2028-02-20T21:20:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-3.93,"az":1.0,"t":"2028-02-20T21:25:00Z","terrain":0.37},{"above_terrain":false,"airmass":null,"alt":-3.91,"az":1.9,"t":"2028-02-20T21:30:00Z","terrain":0.15},{"above_terrain":false,"airmass":null,"alt":-3.87,"az":2.8,"t":"2028-02-20T21:35:00Z","terrain":-0.07},{"above_terrain":false,"airmass":null,"alt":-3.82,"az":3.7,"t":"2028-02-20T21:40:00Z","terrain":-0.23},{"above_terrain":false,"airmass":null,"alt":-3.75,"az":4.6,"t":"2028-02-20T21:45:00Z","terrain":-0.36},{"above_terrain":false,"airmass":null,"alt":-3.67,"az":5.5,"t":"2028-02-20T21:50:00Z","terrain":-0.5},{"above_terrain":false,"airmass":null,"alt":-3.57,"az":6.3,"t":"2028-02-20T21:55:00Z","terrain":-0.53},{"above_terrain":false,"airmass":null,"alt":-3.46,"az":7.2,"t":"2028-02-20T22:00:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-3.34,"az":8.1,"t":"2028-02-20T22:05:00Z","terrain":-0.44},{"above_terrain":false,"airmass":null,"alt":-3.2,"az":9.0,"t":"2028-02-20T22:10:00Z","terrain":-0.66},{"above_terrain":false,"airmass":null,"alt":-3.04,"az":9.9,"t":"2028-02-20T22:15:00Z","terrain":-0.61},{"above_terrain":false,"airmass":null,"alt":-2.87,"az":10.8,"t":"2028-02-20T22:20:00Z","terrain":-0.44},{"above_terrain":false,"airmass":null,"alt":-2.69,"az":11.7,"t":"2028-02-20T22:25:00Z","terrain":-0.26},{"above_terrain":false,"airmass":null,"alt":-2.5,"az":12.5,"t":"2028-02-20T22:30:00Z","terrain":-0.12},{"above_terrain":false,"airmass":null,"alt":-2.29,"az":13.4,"t":"2028-02-20T22:35:00Z","terrain":-0.01},{"above_terrain":false,"airmass":null,"alt":-2.06,"az":14.3,"t":"2028-02-20T22:40:00Z","terrain":0.18},{"above_terrain":false,"airmass":null,"alt":-1.82,"az":15.1,"t":"2028-02-20T22:45:00Z","terrain":0.42},{"above_terrain":false,"airmass":null,"alt":-1.57,"az":16.0,"t":"2028-02-20T22:50:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-1.31,"az":16.9,"t":"2028-02-20T22:55:00Z","terrain":0.47},{"above_terrain":false,"airmass":null,"alt":-1.03,"az":17.7,"t":"2028-02-20T23:00:00Z","terrain":0.51},{"above_terrain":false,"airmass":null,"alt":-0.74,"az":18.6,"t":"2028-02-20T23:05:00Z","terrain":0.58},{"above_terrain":false,"airmass":null,"alt":-0.44,"az":19.4,"t":"2028-02-20T23:10:00Z","terrain":0.64},{"above_terrain":false,"airmass":null,"alt":-0.12,"az":20.2,"t":"2028-02-20T23:15:00Z","terrain":0.67},{"above_terrain":false,"airmass":34.92,"alt":0.21,"az":21.1,"t":"2028-02-20T23:20:00Z","terrain":0.71},{"above_terrain":false,"airmass":30.73,"alt":0.55,"az":21.9,"t":"2028-02-20T23:25:00Z","terrain":0.96},{"above_terrain":false,"airmass":27.12,"alt":0.91,"az":22.7,"t":"2028-02-20T23:30:00Z","terrain":1.11},{"above_terrain":true,"airmass":24.04,"alt":1.28,"az":23.5,"t":"2028-02-20T23:35:00Z","terrain":1.03},{"above_terrain":true,"airmass":21.41,"alt":1.66,"az":24.3,"t":"2028-02-20T23:40:00Z","terrain":1.02},{"above_terrain":true,"airmass":19.17,"alt":2.05,"az":25.2,"t":"2028-02-20T23:45:00Z","terrain":1.24},{"above_terrain":true,"airmass":17.26,"alt":2.45,"az":26.0,"t":"2028-02-20T23:50:00Z","terrain":1.33},{"above_terrain":true,"airmass":15.61,"alt":2.87,"az":26.7,"t":"2028-02-20T23:55:00Z","terrain":1.3},{"above_terrain":true,"airmass":14.19,"alt":3.3,"az":27.5,"t":"2028-02-21T00:00:00Z","terrain":1.23},{"above_terrain":true,"airmass":12.96,"alt":3.73,"az":28.3,"t":"2028-02-21T00:05:00Z","terrain":1.13},{"above_terrain":true,"airmass":11.88,"alt":4.18,"az":29.1,"t":"2028-02-21T00:10:00Z","terrain":1.01},{"above_terrain":true,"airmass":10.94,"alt":4.64,"az":29.9,"t":"2028-02-21T00:15:00Z","terrain":1.13},{"above_terrain":true,"airmass":10.11,"alt":5.12,"az":30.6,"t":"2028-02-21T00:20:00Z","terrain":1.25},{"above_terrain":true,"airmass":9.38,"alt":5.6,"az":31.4,"t":"2028-02-21T00:25:00Z","terrain":1.32},{"above_terrain":true,"airmass":8.73,"alt":6.09,"az":32.1,"t":"2028-02-21T00:30:00Z","terrain":1.28},{"above_terrain":true,"airmass":8.15,"alt":6.59,"az":32.9,"t":"2028-02-21T00:35:00Z","terrain":1.03},{"above_terrain":true,"airmass":7.62,"alt":7.11,"az":33.6,"t":"2028-02-21T00:40:00Z","terrain":0.64},{"above_terrain":true,"airmass":7.16,"alt":7.63,"az":34.4,"t":"2028-02-21T00:45:00Z","terrain":0.29},{"above_terrain":true,"airmass":6.73,"alt":8.16,"az":35.1,"t":"2028-02-21T00:50:00Z","terrain":0.05},{"above_terrain":true,"airmass":6.35,"alt":8.71,"az":35.8,"t":"2028-02-21T00:55:00Z","terrain":0.03},{"above_terrain":true,"airmass":6.0,"alt":9.26,"az":36.5,"t":"2028-02-21T01:00:00Z","terrain":-0.03},{"above_terrain":true,"airmass":5.68,"alt":9.82,"az":37.2,"t":"2028-02-21T01:05:00Z","terrain":-0.12},{"above_terrain":true,"airmass":5.39,"alt":10.39,"az":37.9,"t":"2028-02-21T01:10:00Z","terrain":-0.2},{"above_terrain":true,"airmass":5.12,"alt":10.97,"az":38.6,"t":"2028-02-21T01:15:00Z","terrain":-0.18},{"above_terrain":true,"airmass":4.88,"alt":11.56,"az":39.3,"t":"2028-02-21T01:20:00Z","terrain":-0.13},{"above_terrain":true,"airmass":4.65,"alt":12.16,"az":40.0,"t":"2028-02-21T01:25:00Z","terrain":-0.05},{"above_terrain":true,"airmass":4.44,"alt":12.76,"az":40.7,"t":"2028-02-21T01:30:00Z","terrain":-0.0},{"above_terrain":true,"airmass":4.25,"alt":13.38,"az":41.3,"t":"2028-02-21T01:35:00Z","terrain":0.05},{"above_terrain":true,"airmass":4.07,"alt":14.0,"az":42.0,"t":"2028-02-21T01:40:00Z","terrain":0.12},{"above_terrain":true,"airmass":3.9,"alt":14.63,"az":42.7,"t":"2028-02-21T01:45:00Z","terrain":0.21},{"above_terrain":true,"airmass":3.75,"alt":15.27,"az":43.3,"t":"2028-02-21T01:50:00Z","terrain":0.3},{"above_terrain":true,"airmass":3.6,"alt":15.91,"az":44.0,"t":"2028-02-21T01:55:00Z","terrain":0.4},{"above_terrain":true,"airmass":3.47,"alt":16.57,"az":44.6,"t":"2028-02-21T02:00:00Z","terrain":0.51},{"above_terrain":true,"airmass":3.34,"alt":17.23,"az":45.2,"t":"2028-02-21T02:05:00Z","terrain":0.6},{"above_terrain":true,"airmass":3.22,"alt":17.9,"az":45.9,"t":"2028-02-21T02:10:00Z","terrain":0.66},{"above_terrain":true,"airmass":3.11,"alt":18.57,"az":46.5,"t":"2028-02-21T02:15:00Z","terrain":0.64},{"above_terrain":true,"airmass":3.01,"alt":19.25,"az":47.1,"t":"2028-02-21T02:20:00Z","terrain":0.6},{"above_terrain":true,"airmass":2.91,"alt":19.94,"az":47.7,"t":"2028-02-21T02:25:00Z","terrain":0.55},{"above_terrain":true,"airmass":2.82,"alt":20.64,"az":48.3,"t":"2028-02-21T02:30:00Z","terrain":0.49},{"above_terrain":true,"airmass":2.73,"alt":21.34,"az":48.9,"t":"2028-02-21T02:35:00Z","terrain":0.42},{"above_terrain":true,"airmass":2.65,"alt":22.05,"az":49.5,"t":"2028-02-21T02:40:00Z","terrain":0.41},{"above_terrain":true,"airmass":2.57,"alt":22.76,"az":50.1,"t":"2028-02-21T02:45:00Z","terrain":0.41},{"above_terrain":true,"airmass":2.5,"alt":23.48,"az":50.7,"t":"2028-02-21T02:50:00Z","terrain":0.48},{"above_terrain":true,"airmass":2.43,"alt":24.21,"az":51.2,"t":"2028-02-21T02:55:00Z","terrain":0.55},{"above_terrain":true,"airmass":2.36,"alt":24.94,"az":51.8,"t":"2028-02-21T03:00:00Z","terrain":0.61},{"above_terrain":true,"airmass":2.3,"alt":25.68,"az":52.4,"t":"2028-02-21T03:05:00Z","terrain":0.7},{"above_terrain":true,"airmass":2.24,"alt":26.43,"az":52.9,"t":"2028-02-21T03:10:00Z","terrain":0.82},{"above_terrain":true,"airmass":2.18,"alt":27.17,"az":53.5,"t":"2028-02-21T03:15:00Z","terrain":0.91},{"above_terrain":true,"airmass":2.13,"alt":27.93,"az":54.0,"t":"2028-02-21T03:20:00Z","terrain":1.0},{"above_terrain":true,"airmass":2.08,"alt":28.69,"az":54.5,"t":"2028-02-21T03:25:00Z","terrain":1.04},{"above_terrain":true,"airmass":2.03,"alt":29.45,"az":55.1,"t":"2028-02-21T03:30:00Z","terrain":1.08},{"above_terrain":true,"airmass":1.98,"alt":30.22,"az":55.6,"t":"2028-02-21T03:35:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.94,"alt":31.0,"az":56.1,"t":"2028-02-21T03:40:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.89,"alt":31.78,"az":56.6,"t":"2028-02-21T03:45:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.85,"alt":32.56,"az":57.2,"t":"2028-02-21T03:50:00Z","terrain":1.1},{"above_terrain":true,"airmass":1.81,"alt":33.35,"az":57.7,"t":"2028-02-21T03:55:00Z","terrain":1.19},{"above_terrain":true,"airmass":1.78,"alt":34.14,"az":58.2,"t":"2028-02-21T04:00:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.74,"alt":34.94,"az":58.7,"t":"2028-02-21T04:05:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.71,"alt":35.74,"az":59.2,"t":"2028-02-21T04:10:00Z","terrain":1.2},{"above_terrain":true,"airmass":1.68,"alt":36.55,"az":59.6,"t":"2028-02-21T04:15:00Z","terrain":1.18},{"above_terrain":true,"airmass":1.65,"alt":37.36,"az":60.1,"t":"2028-02-21T04:20:00Z","terrain":1.16},{"above_terrain":true,"airmass":1.62,"alt":38.17,"az":60.6,"t":"2028-02-21T04:25:00Z","terrain":1.12},{"above_terrain":true,"airmass":1.59,"alt":38.99,"az":61.1,"t":"2028-02-21T04:30:00Z","terrain":1.08},{"above_terrain":true,"airmass":1.56,"alt":39.81,"az":61.5,"t":"2028-02-21T04:35:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.53,"alt":40.63,"az":62.0,"t":"2028-02-21T04:40:00Z","terrain":1.01},{"above_terrain":true,"airmass":1.51,"alt":41.46,"az":62.4,"t":"2028-02-21T04:45:00Z","terrain":0.97},{"above_terrain":true,"airmass":1.48,"alt":42.29,"az":62.9,"t":"2028-02-21T04:50:00Z","terrain":0.92},{"above_terrain":true,"airmass":1.46,"alt":43.13,"az":63.3,"t":"2028-02-21T04:55:00Z","terrain":0.86},{"above_terrain":true,"airmass":1.44,"alt":43.97,"az":63.8,"t":"2028-02-21T05:00:00Z","terrain":0.8},{"above_terrain":true,"airmass":1.42,"alt":44.81,"az":64.2,"t":"2028-02-21T05:05:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.4,"alt":45.65,"az":64.6,"t":"2028-02-21T05:10:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.38,"alt":46.5,"az":65.1,"t":"2028-02-21T05:15:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.36,"alt":47.35,"az":65.5,"t":"2028-02-21T05:20:00Z","terrain":0.8},{"above_terrain":true,"airmass":1.34,"alt":48.2,"az":65.9,"t":"2028-02-21T05:25:00Z","terrain":0.82},{"above_terrain":true,"airmass":1.32,"alt":49.06,"az":66.3,"t":"2028-02-21T05:30:00Z","terrain":0.86},{"above_terrain":true,"airmass":1.31,"alt":49.92,"az":66.7,"t":"2028-02-21T05:35:00Z","terrain":0.9},{"above_terrain":true,"airmass":1.29,"alt":50.78,"az":67.1,"t":"2028-02-21T05:40:00Z","terrain":0.93},{"above_terrain":true,"airmass":1.27,"alt":51.64,"az":67.4,"t":"2028-02-21T05:45:00Z","terrain":0.96},{"above_terrain":true,"airmass":1.26,"alt":52.51,"az":67.8,"t":"2028-02-21T05:50:00Z","terrain":0.98},{"above_terrain":true,"airmass":1.25,"alt":53.37,"az":68.2,"t":"2028-02-21T05:55:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.23,"alt":54.24,"az":68.6,"t":"2028-02-21T06:00:00Z","terrain":1.02},{"above_terrain":true,"airmass":1.22,"alt":55.12,"az":68.9,"t":"2028-02-21T06:05:00Z","terrain":1.04},{"above_terrain":true,"airmass":1.21,"alt":55.99,"az":69.3,"t":"2028-02-21T06:10:00Z","terrain":1.09},{"above_terrain":true,"airmass":1.19,"alt":56.87,"az":69.6,"t":"2028-02-21T06:15:00Z","terrain":1.15},{"above_terrain":true,"airmass":1.18,"alt":57.74,"az":69.9,"t":"2028-02-21T06:20:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.17,"alt":58.62,"az":70.2,"t":"2028-02-21T06:25:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.16,"alt":59.51,"az":70.6,"t":"2028-02-21T06:30:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.15,"alt":60.39,"az":70.9,"t":"2028-02-21T06:35:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.14,"alt":61.27,"az":71.1,"t":"2028-02-21T06:40:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.13,"alt":62.16,"az":71.4,"t":"2028-02-21T06:45:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.12,"alt":63.05,"az":71.7,"t":"2028-02-21T06:50:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.11,"alt":63.94,"az":71.9,"t":"2028-02-21T06:55:00Z","terrain":1.2},{"above_terrain":true,"airmass":1.1,"alt":64.83,"az":72.2,"t":"2028-02-21T07:00:00Z","terrain":1.17},{"above_terrain":true,"airmass":1.1,"alt":65.72,"az":72.4,"t":"2028-02-21T07:05:00Z","terrain":1.12},{"above_terrain":true,"airmass":1.09,"alt":66.61,"az":72.6,"t":"2028-02-21T07:10:00Z","terrain":1.08},{"above_terrain":true,"airmass":1.08,"alt":67.51,"az":72.7,"t":"2028-02-21T07:15:00Z","terrain":1.04},{"above_terrain":true,"airmass":1.08,"alt":68.4,"az":72.9,"t":"2028-02-21T07:20:00Z","terrain":1.01},{"above_terrain":true,"airmass":1.07,"alt":69.3,"az":73.0,"t":"2028-02-21T07:25:00Z","terrain":0.98},{"above_terrain":true,"airmass":1.06,"alt":70.19,"az":73.1,"t":"2028-02-21T07:30:00Z","terrain":0.96},{"above_terrain":true,"airmass":1.06,"alt":71.09,"az":73.2,"t":"2028-02-21T07:35:00Z","terrain":0.94},{"above_terrain":true,"airmass":1.05,"alt":71.98,"az":73.2,"t":"2028-02-21T07:40:00Z","terrain":0.94},{"above_terrain":true,"airmass":1.05,"alt":72.88,"az":73.2,"t":"2028-02-21T07:45:00Z","terrain":0.94},{"above_terrain":true,"airmass":1.04,"alt":73.77,"az":73.1,"t":"2028-02-21T07:50:00Z","terrain":0.96},{"above_terrain":true,"airmass":1.04,"alt":74.67,"az":73.0,"t":"2028-02-21T07:55:00Z","terrain":0.99},{"above_terrain":true,"airmass":1.03,"alt":75.56,"az":72.8,"t":"2028-02-21T08:00:00Z","terrain":1.04},{"above_terrain":true,"airmass":1.03,"alt":76.46,"az":72.5,"t":"2028-02-21T08:05:00Z","terrain":1.1},{"above_terrain":true,"airmass":1.02,"alt":77.35,"az":72.1,"t":"2028-02-21T08:10:00Z","terrain":1.18},{"above_terrain":true,"airmass":1.02,"alt":78.24,"az":71.6,"t":"2028-02-21T08:15:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.02,"alt":79.12,"az":70.9,"t":"2028-02-21T08:20:00Z","terrain":1.26},{"above_terrain":true,"airmass":1.02,"alt":80.01,"az":70.0,"t":"2028-02-21T08:25:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.01,"alt":80.88,"az":68.9,"t":"2028-02-21T08:30:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.01,"alt":81.75,"az":67.5,"t":"2028-02-21T08:35:00Z","terrain":0.96},{"above_terrain":true,"airmass":1.01,"alt":82.61,"az":65.6,"t":"2028-02-21T08:40:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.01,"alt":83.46,"az":63.1,"t":"2028-02-21T08:45:00Z","terrain":0.89},{"above_terrain":true,"airmass":1.0,"alt":84.28,"az":59.8,"t":"2028-02-21T08:50:00Z","terrain":1.18},{"above_terrain":true,"airmass":1.0,"alt":85.07,"az":55.2,"t":"2028-02-21T08:55:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.0,"alt":85.81,"az":48.9,"t":"2028-02-21T09:00:00Z","terrain":0.43},{"above_terrain":true,"airmass":1.0,"alt":86.46,"az":39.8,"t":"2028-02-21T09:05:00Z","terrain":-0.08},{"above_terrain":true,"airmass":1.0,"alt":86.98,"az":26.9,"t":"2028-02-21T09:10:00Z","terrain":1.29},{"above_terrain":true,"airmass":1.0,"alt":87.28,"az":9.9,"t":"2028-02-21T09:15:00Z","terrain":-0.6},{"above_terrain":true,"airmass":1.0,"alt":87.29,"az":350.9,"t":"2028-02-21T09:20:00Z","terrain":0.14},{"above_terrain":true,"airmass":1.0,"alt":87.0,"az":333.8,"t":"2028-02-21T09:25:00Z","terrain":-0.21},{"above_terrain":true,"airmass":1.0,"alt":86.49,"az":320.7,"t":"2028-02-21T09:30:00Z","terrain":-0.2},{"above_terrain":true,"airmass":1.0,"alt":85.84,"az":311.5,"t":"2028-02-21T09:35:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.0,"alt":85.1,"az":305.0,"t":"2028-02-21T09:40:00Z","terrain":-0.29},{"above_terrain":true,"airmass":1.0,"alt":84.32,"az":300.4,"t":"2028-02-21T09:45:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.01,"alt":83.49,"az":297.0,"t":"2028-02-21T09:50:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.01,"alt":82.65,"az":294.5,"t":"2028-02-21T09:55:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.01,"alt":81.79,"az":292.6,"t":"2028-02-21T10:00:00Z","terrain":0.39}],"transit":{"airmass":1.0,"alt":87.3,"az":350.9,"t":"2028-02-21T09:20:00Z"},"usable_hours":1.17,"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."]}