{"assessment":{"best_window":{"end":"2031-02-28T19:00Z","end_local":"21:00","hours":1.25,"label":"good","mean_quality":0.62,"start":"2031-02-28T17:45Z","start_local":"19:45"},"cost":{"altitude":7.17,"clouds":0.0,"darkness":1.3,"moon":1.05},"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":65,"cloud":null,"high":null,"iso":"2031-02-28T17:00Z","label":"poor","low":null,"mid":null,"moon_alt":65,"precip":null,"q":0.1,"rh":null,"sky":"nautical twilight","temp":null,"time":"19:00","wind":null},{"alt":55,"cloud":null,"high":null,"iso":"2031-02-28T18:00Z","label":"good","low":null,"mid":null,"moon_alt":57,"precip":null,"q":0.63,"rh":null,"sky":"night","temp":null,"time":"20:00","wind":null},{"alt":44,"cloud":null,"high":null,"iso":"2031-02-28T19:00Z","label":"marginal","low":null,"mid":null,"moon_alt":47,"precip":null,"q":0.6,"rh":null,"sky":"night","temp":null,"time":"21:00","wind":null},{"alt":33,"cloud":null,"high":null,"iso":"2031-02-28T20:00Z","label":"marginal","low":null,"mid":null,"moon_alt":36,"precip":null,"q":0.57,"rh":null,"sky":"night","temp":null,"time":"22:00","wind":null},{"alt":22,"cloud":null,"high":null,"iso":"2031-02-28T21:00Z","label":"marginal","low":null,"mid":null,"moon_alt":25,"precip":null,"q":0.35,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":11,"cloud":null,"high":null,"iso":"2031-02-28T22:00Z","label":"unusable","low":null,"mid":null,"moon_alt":15,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":1,"cloud":null,"high":null,"iso":"2031-02-28T23:00Z","label":"unusable","low":null,"mid":null,"moon_alt":4,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":-7,"cloud":null,"high":null,"iso":"2031-03-01T00:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-5,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":-15,"cloud":null,"high":null,"iso":"2031-03-01T01:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-14,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":-21,"cloud":null,"high":null,"iso":"2031-03-01T02:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-20,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":-24,"cloud":null,"high":null,"iso":"2031-03-01T03:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-25,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"05:00","wind":null},{"alt":-24,"cloud":null,"high":null,"iso":"2031-03-01T04:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-28,"precip":null,"q":0.0,"rh":null,"sky":"nautical twilight","temp":null,"time":"06:00","wind":null}],"peak_quality":0.64,"peak_sky":0.64,"quality_hours":2.18,"reasons":["the target being low or below 20\u00b0 cost 7.2 quality-hours","daylight and twilight cost 1.3 quality-hours","moonlight cost 1.1 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":35,"score_weather":null,"sky_hours":2.18,"verdict":"unknown","verdict_astronomy":"poor","weather_known":false,"windows":[{"end":"2031-02-28T16:40Z","end_local":"18:40","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2031-02-28T16:05Z","start_local":"18:05"},{"end":"2031-02-28T17:10Z","end_local":"19:10","hours":0.5,"label":"poor","mean_quality":0.1,"start":"2031-02-28T16:40Z","start_local":"18:40"},{"end":"2031-02-28T17:45Z","end_local":"19:45","hours":0.58,"label":"marginal","mean_quality":0.32,"start":"2031-02-28T17:10Z","start_local":"19:10"},{"end":"2031-02-28T19:00Z","end_local":"21:00","hours":1.25,"label":"good","mean_quality":0.62,"start":"2031-02-28T17:45Z","start_local":"19:45"},{"end":"2031-02-28T21:15Z","end_local":"23:15","hours":2.25,"label":"marginal","mean_quality":0.52,"start":"2031-02-28T19:00Z","start_local":"21:00"},{"end":"2031-03-01T05:00Z","end_local":"07:00","hours":7.75,"label":"unusable","mean_quality":0.0,"start":"2031-02-28T21:15Z","start_local":"23:15"}]},"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":"2031-02-28T17:42:11Z","dark_hours":9.7,"dark_to":"2031-03-01T03:24:16Z","moon":{"illumination":0.478,"phase":"first quarter","waxing":true},"moon_free_dark_hours":3.95,"moonrise":"2031-03-01T09:16:30Z","moonset":"2031-02-28T23:26:17Z","sunrise":"2031-03-01T04:56:27Z","sunset":"2031-02-28T16:09:48Z","twilight":{"astronomical":{"end":"2031-02-28T17:42:11Z","start":"2031-03-01T03:24:16Z"},"civil":{"end":"2031-02-28T16:37:45Z","start":"2031-03-01T04:28:35Z"},"nautical":{"end":"2031-02-28T17:09:58Z","start":"2031-03-01T03:56:26Z"}},"window_end":"2031-03-01T10:00:00Z","window_start":"2031-02-28T10:00:00Z"},"night_date":"2031-02-28","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.18,"alt":58.1,"t":"2031-02-28T17:45:00Z"},"dec":24.11388889,"dec_of_date":24.2088,"dec_str":"+24\u00b0 06' 50.0\"","good_hours":2.58,"limit_rise":"2031-02-28T10:00:31Z","limit_set":"2031-02-28T21:11:59Z","max_az_rate_deg_per_min":0.76,"moon_separation":9.1,"never_rises":false,"ra":56.60083333,"ra_of_date":57.0652,"ra_str":"03h 46m 24.2s","resolved":{"common_name":"Seven Sisters","dec":24.11388889,"name":"Cl Melotte 22","ra":56.60083333,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=M45","source":"sesame","type":"OpC","type_text":"open cluster"},"summary":"Only 2.6 h above 30\u00b0, 3.5 h above 20\u00b0 \u2014 usable, at high airmass.","terrain":{"available":true,"behind_at":"2031-02-28T23:10:34Z","blocked_dark_hours":0,"clears_at":"2031-03-01T08:06:46Z","rise_az":74.8},"track":[{"above_terrain":true,"airmass":2.92,"alt":19.9,"az":74.8,"t":"2031-02-28T10:00:00Z","terrain":0.65},{"above_terrain":true,"airmass":2.8,"alt":20.81,"az":75.6,"t":"2031-02-28T10:05:00Z","terrain":0.68},{"above_terrain":true,"airmass":2.69,"alt":21.72,"az":76.3,"t":"2031-02-28T10:10:00Z","terrain":0.71},{"above_terrain":true,"airmass":2.59,"alt":22.63,"az":77.1,"t":"2031-02-28T10:15:00Z","terrain":0.69},{"above_terrain":true,"airmass":2.49,"alt":23.54,"az":77.8,"t":"2031-02-28T10:20:00Z","terrain":0.64},{"above_terrain":true,"airmass":2.4,"alt":24.46,"az":78.6,"t":"2031-02-28T10:25:00Z","terrain":0.6},{"above_terrain":true,"airmass":2.32,"alt":25.38,"az":79.3,"t":"2031-02-28T10:30:00Z","terrain":0.53},{"above_terrain":true,"airmass":2.25,"alt":26.3,"az":80.1,"t":"2031-02-28T10:35:00Z","terrain":0.48},{"above_terrain":true,"airmass":2.18,"alt":27.22,"az":80.8,"t":"2031-02-28T10:40:00Z","terrain":0.64},{"above_terrain":true,"airmass":2.11,"alt":28.15,"az":81.6,"t":"2031-02-28T10:45:00Z","terrain":0.75},{"above_terrain":true,"airmass":2.05,"alt":29.07,"az":82.4,"t":"2031-02-28T10:50:00Z","terrain":0.68},{"above_terrain":true,"airmass":1.99,"alt":30.0,"az":83.1,"t":"2031-02-28T10:55:00Z","terrain":0.46},{"above_terrain":true,"airmass":1.94,"alt":30.93,"az":83.9,"t":"2031-02-28T11:00:00Z","terrain":0.39},{"above_terrain":true,"airmass":1.89,"alt":31.86,"az":84.7,"t":"2031-02-28T11:05:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.84,"alt":32.79,"az":85.4,"t":"2031-02-28T11:10:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.8,"alt":33.73,"az":86.2,"t":"2031-02-28T11:15:00Z","terrain":0.15},{"above_terrain":true,"airmass":1.75,"alt":34.66,"az":87.0,"t":"2031-02-28T11:20:00Z","terrain":0.07},{"above_terrain":true,"airmass":1.71,"alt":35.6,"az":87.8,"t":"2031-02-28T11:25:00Z","terrain":-0.05},{"above_terrain":true,"airmass":1.68,"alt":36.53,"az":88.7,"t":"2031-02-28T11:30:00Z","terrain":-0.15},{"above_terrain":true,"airmass":1.64,"alt":37.47,"az":89.5,"t":"2031-02-28T11:35:00Z","terrain":-0.21},{"above_terrain":true,"airmass":1.61,"alt":38.4,"az":90.3,"t":"2031-02-28T11:40:00Z","terrain":-0.18},{"above_terrain":true,"airmass":1.58,"alt":39.34,"az":91.1,"t":"2031-02-28T11:45:00Z","terrain":-0.06},{"above_terrain":true,"airmass":1.54,"alt":40.28,"az":92.0,"t":"2031-02-28T11:50:00Z","terrain":0.1},{"above_terrain":true,"airmass":1.52,"alt":41.21,"az":92.9,"t":"2031-02-28T11:55:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.49,"alt":42.15,"az":93.8,"t":"2031-02-28T12:00:00Z","terrain":0.39},{"above_terrain":true,"airmass":1.46,"alt":43.08,"az":94.7,"t":"2031-02-28T12:05:00Z","terrain":0.39},{"above_terrain":true,"airmass":1.44,"alt":44.01,"az":95.6,"t":"2031-02-28T12:10:00Z","terrain":0.48},{"above_terrain":true,"airmass":1.41,"alt":44.94,"az":96.5,"t":"2031-02-28T12:15:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.39,"alt":45.87,"az":97.4,"t":"2031-02-28T12:20:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.37,"alt":46.8,"az":98.4,"t":"2031-02-28T12:25:00Z","terrain":0.6},{"above_terrain":true,"airmass":1.35,"alt":47.72,"az":99.4,"t":"2031-02-28T12:30:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.33,"alt":48.64,"az":100.4,"t":"2031-02-28T12:35:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.31,"alt":49.56,"az":101.5,"t":"2031-02-28T12:40:00Z","terrain":0.03},{"above_terrain":true,"airmass":1.3,"alt":50.48,"az":102.5,"t":"2031-02-28T12:45:00Z","terrain":-0.13},{"above_terrain":true,"airmass":1.28,"alt":51.39,"az":103.6,"t":"2031-02-28T12:50:00Z","terrain":-0.08},{"above_terrain":true,"airmass":1.26,"alt":52.3,"az":104.7,"t":"2031-02-28T12:55:00Z","terrain":-0.15},{"above_terrain":true,"airmass":1.25,"alt":53.2,"az":105.9,"t":"2031-02-28T13:00:00Z","terrain":-0.6},{"above_terrain":true,"airmass":1.23,"alt":54.1,"az":107.1,"t":"2031-02-28T13:05:00Z","terrain":-0.64},{"above_terrain":true,"airmass":1.22,"alt":54.99,"az":108.3,"t":"2031-02-28T13:10:00Z","terrain":-1.02},{"above_terrain":true,"airmass":1.21,"alt":55.87,"az":109.6,"t":"2031-02-28T13:15:00Z","terrain":-1.17},{"above_terrain":true,"airmass":1.19,"alt":56.75,"az":110.9,"t":"2031-02-28T13:20:00Z","terrain":-1.32},{"above_terrain":true,"airmass":1.18,"alt":57.62,"az":112.3,"t":"2031-02-28T13:25:00Z","terrain":-1.4},{"above_terrain":true,"airmass":1.17,"alt":58.48,"az":113.7,"t":"2031-02-28T13:30:00Z","terrain":-1.57},{"above_terrain":true,"airmass":1.16,"alt":59.34,"az":115.2,"t":"2031-02-28T13:35:00Z","terrain":-1.5},{"above_terrain":true,"airmass":1.15,"alt":60.18,"az":116.7,"t":"2031-02-28T13:40:00Z","terrain":-1.59},{"above_terrain":true,"airmass":1.14,"alt":61.01,"az":118.3,"t":"2031-02-28T13:45:00Z","terrain":-1.44},{"above_terrain":true,"airmass":1.13,"alt":61.83,"az":120.0,"t":"2031-02-28T13:50:00Z","terrain":-1.24},{"above_terrain":true,"airmass":1.13,"alt":62.63,"az":121.7,"t":"2031-02-28T13:55:00Z","terrain":-1.21},{"above_terrain":true,"airmass":1.12,"alt":63.42,"az":123.6,"t":"2031-02-28T14:00:00Z","terrain":-1.44},{"above_terrain":true,"airmass":1.11,"alt":64.19,"az":125.5,"t":"2031-02-28T14:05:00Z","terrain":-1.62},{"above_terrain":true,"airmass":1.1,"alt":64.94,"az":127.5,"t":"2031-02-28T14:10:00Z","terrain":-1.48},{"above_terrain":true,"airmass":1.1,"alt":65.67,"az":129.6,"t":"2031-02-28T14:15:00Z","terrain":-1.38},{"above_terrain":true,"airmass":1.09,"alt":66.38,"az":131.8,"t":"2031-02-28T14:20:00Z","terrain":-1.65},{"above_terrain":true,"airmass":1.09,"alt":67.07,"az":134.1,"t":"2031-02-28T14:25:00Z","terrain":-1.52},{"above_terrain":true,"airmass":1.08,"alt":67.73,"az":136.5,"t":"2031-02-28T14:30:00Z","terrain":-1.21},{"above_terrain":true,"airmass":1.08,"alt":68.35,"az":139.1,"t":"2031-02-28T14:35:00Z","terrain":-1.33},{"above_terrain":true,"airmass":1.07,"alt":68.95,"az":141.8,"t":"2031-02-28T14:40:00Z","terrain":-1.27},{"above_terrain":true,"airmass":1.07,"alt":69.51,"az":144.6,"t":"2031-02-28T14:45:00Z","terrain":-1.42},{"above_terrain":true,"airmass":1.06,"alt":70.03,"az":147.5,"t":"2031-02-28T14:50:00Z","terrain":-1.37},{"above_terrain":true,"airmass":1.06,"alt":70.52,"az":150.6,"t":"2031-02-28T14:55:00Z","terrain":-1.2},{"above_terrain":true,"airmass":1.06,"alt":70.95,"az":153.8,"t":"2031-02-28T15:00:00Z","terrain":-1.02},{"above_terrain":true,"airmass":1.06,"alt":71.34,"az":157.1,"t":"2031-02-28T15:05:00Z","terrain":-1.08},{"above_terrain":true,"airmass":1.05,"alt":71.68,"az":160.6,"t":"2031-02-28T15:10:00Z","terrain":-1.05},{"above_terrain":true,"airmass":1.05,"alt":71.96,"az":164.1,"t":"2031-02-28T15:15:00Z","terrain":-1.51},{"above_terrain":true,"airmass":1.05,"alt":72.19,"az":167.8,"t":"2031-02-28T15:20:00Z","terrain":-1.0},{"above_terrain":true,"airmass":1.05,"alt":72.36,"az":171.5,"t":"2031-02-28T15:25:00Z","terrain":-0.62},{"above_terrain":true,"airmass":1.05,"alt":72.47,"az":175.2,"t":"2031-02-28T15:30:00Z","terrain":-0.45},{"above_terrain":true,"airmass":1.05,"alt":72.51,"az":179.0,"t":"2031-02-28T15:35:00Z","terrain":-0.43},{"above_terrain":true,"airmass":1.05,"alt":72.5,"az":182.8,"t":"2031-02-28T15:40:00Z","terrain":-0.62},{"above_terrain":true,"airmass":1.05,"alt":72.42,"az":186.6,"t":"2031-02-28T15:45:00Z","terrain":-0.66},{"above_terrain":true,"airmass":1.05,"alt":72.28,"az":190.4,"t":"2031-02-28T15:50:00Z","terrain":-0.52},{"above_terrain":true,"airmass":1.05,"alt":72.08,"az":194.1,"t":"2031-02-28T15:55:00Z","terrain":-0.49},{"above_terrain":true,"airmass":1.05,"alt":71.83,"az":197.7,"t":"2031-02-28T16:00:00Z","terrain":-0.39},{"above_terrain":true,"airmass":1.05,"alt":71.52,"az":201.2,"t":"2031-02-28T16:05:00Z","terrain":-0.52},{"above_terrain":true,"airmass":1.06,"alt":71.15,"az":204.5,"t":"2031-02-28T16:10:00Z","terrain":-0.36},{"above_terrain":true,"airmass":1.06,"alt":70.74,"az":207.8,"t":"2031-02-28T16:15:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.06,"alt":70.28,"az":210.9,"t":"2031-02-28T16:20:00Z","terrain":0.82},{"above_terrain":true,"airmass":1.07,"alt":69.78,"az":214.0,"t":"2031-02-28T16:25:00Z","terrain":0.65},{"above_terrain":true,"airmass":1.07,"alt":69.24,"az":216.8,"t":"2031-02-28T16:30:00Z","terrain":0.96},{"above_terrain":true,"airmass":1.07,"alt":68.66,"az":219.6,"t":"2031-02-28T16:35:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.08,"alt":68.05,"az":222.2,"t":"2031-02-28T16:40:00Z","terrain":1.01},{"above_terrain":true,"airmass":1.08,"alt":67.4,"az":224.7,"t":"2031-02-28T16:45:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.09,"alt":66.73,"az":227.1,"t":"2031-02-28T16:50:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.09,"alt":66.03,"az":229.3,"t":"2031-02-28T16:55:00Z","terrain":1.26},{"above_terrain":true,"airmass":1.1,"alt":65.31,"az":231.5,"t":"2031-02-28T17:00:00Z","terrain":0.88},{"above_terrain":true,"airmass":1.11,"alt":64.57,"az":233.5,"t":"2031-02-28T17:05:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.11,"alt":63.81,"az":235.5,"t":"2031-02-28T17:10:00Z","terrain":0.88},{"above_terrain":true,"airmass":1.12,"alt":63.03,"az":237.3,"t":"2031-02-28T17:15:00Z","terrain":0.82},{"above_terrain":true,"airmass":1.13,"alt":62.23,"az":239.1,"t":"2031-02-28T17:20:00Z","terrain":0.54},{"above_terrain":true,"airmass":1.14,"alt":61.42,"az":240.8,"t":"2031-02-28T17:25:00Z","terrain":0.75},{"above_terrain":true,"airmass":1.15,"alt":60.6,"az":242.5,"t":"2031-02-28T17:30:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.16,"alt":59.76,"az":244.0,"t":"2031-02-28T17:35:00Z","terrain":0.94},{"above_terrain":true,"airmass":1.17,"alt":58.91,"az":245.6,"t":"2031-02-28T17:40:00Z","terrain":1.09},{"above_terrain":true,"airmass":1.18,"alt":58.06,"az":247.0,"t":"2031-02-28T17:45:00Z","terrain":1.02},{"above_terrain":true,"airmass":1.19,"alt":57.19,"az":248.4,"t":"2031-02-28T17:50:00Z","terrain":0.54},{"above_terrain":true,"airmass":1.2,"alt":56.32,"az":249.7,"t":"2031-02-28T17:55:00Z","terrain":0.56},{"above_terrain":true,"airmass":1.21,"alt":55.44,"az":251.0,"t":"2031-02-28T18:00:00Z","terrain":0.54},{"above_terrain":true,"airmass":1.23,"alt":54.55,"az":252.3,"t":"2031-02-28T18:05:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.24,"alt":53.65,"az":253.5,"t":"2031-02-28T18:10:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.26,"alt":52.75,"az":254.7,"t":"2031-02-28T18:15:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.27,"alt":51.85,"az":255.8,"t":"2031-02-28T18:20:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.29,"alt":50.94,"az":256.9,"t":"2031-02-28T18:25:00Z","terrain":0.43},{"above_terrain":true,"airmass":1.3,"alt":50.02,"az":258.0,"t":"2031-02-28T18:30:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.32,"alt":49.11,"az":259.1,"t":"2031-02-28T18:35:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.34,"alt":48.19,"az":260.1,"t":"2031-02-28T18:40:00Z","terrain":0.59},{"above_terrain":true,"airmass":1.36,"alt":47.26,"az":261.1,"t":"2031-02-28T18:45:00Z","terrain":0.85},{"above_terrain":true,"airmass":1.38,"alt":46.34,"az":262.1,"t":"2031-02-28T18:50:00Z","terrain":0.97},{"above_terrain":true,"airmass":1.4,"alt":45.41,"az":263.0,"t":"2031-02-28T18:55:00Z","terrain":0.8},{"above_terrain":true,"airmass":1.43,"alt":44.48,"az":264.0,"t":"2031-02-28T19:00:00Z","terrain":0.53},{"above_terrain":true,"airmass":1.45,"alt":43.55,"az":264.9,"t":"2031-02-28T19:05:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.48,"alt":42.62,"az":265.8,"t":"2031-02-28T19:10:00Z","terrain":0.45},{"above_terrain":true,"airmass":1.5,"alt":41.68,"az":266.7,"t":"2031-02-28T19:15:00Z","terrain":0.54},{"above_terrain":true,"airmass":1.53,"alt":40.75,"az":267.6,"t":"2031-02-28T19:20:00Z","terrain":0.61},{"above_terrain":true,"airmass":1.56,"alt":39.81,"az":268.4,"t":"2031-02-28T19:25:00Z","terrain":0.69},{"above_terrain":true,"airmass":1.59,"alt":38.88,"az":269.3,"t":"2031-02-28T19:30:00Z","terrain":0.79},{"above_terrain":true,"airmass":1.62,"alt":37.94,"az":270.1,"t":"2031-02-28T19:35:00Z","terrain":0.89},{"above_terrain":true,"airmass":1.66,"alt":37.0,"az":270.9,"t":"2031-02-28T19:40:00Z","terrain":0.79},{"above_terrain":true,"airmass":1.7,"alt":36.07,"az":271.8,"t":"2031-02-28T19:45:00Z","terrain":0.51},{"above_terrain":true,"airmass":1.73,"alt":35.13,"az":272.6,"t":"2031-02-28T19:50:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.78,"alt":34.2,"az":273.4,"t":"2031-02-28T19:55:00Z","terrain":0.08},{"above_terrain":true,"airmass":1.82,"alt":33.26,"az":274.2,"t":"2031-02-28T20:00:00Z","terrain":-0.01},{"above_terrain":true,"airmass":1.87,"alt":32.33,"az":274.9,"t":"2031-02-28T20:05:00Z","terrain":0.08},{"above_terrain":true,"airmass":1.91,"alt":31.4,"az":275.7,"t":"2031-02-28T20:10:00Z","terrain":0.02},{"above_terrain":true,"airmass":1.97,"alt":30.47,"az":276.5,"t":"2031-02-28T20:15:00Z","terrain":-0.07},{"above_terrain":true,"airmass":2.02,"alt":29.54,"az":277.3,"t":"2031-02-28T20:20:00Z","terrain":-0.12},{"above_terrain":true,"airmass":2.08,"alt":28.61,"az":278.0,"t":"2031-02-28T20:25:00Z","terrain":-0.08},{"above_terrain":true,"airmass":2.14,"alt":27.69,"az":278.8,"t":"2031-02-28T20:30:00Z","terrain":-0.03},{"above_terrain":true,"airmass":2.21,"alt":26.76,"az":279.5,"t":"2031-02-28T20:35:00Z","terrain":-0.08},{"above_terrain":true,"airmass":2.29,"alt":25.84,"az":280.3,"t":"2031-02-28T20:40:00Z","terrain":-0.08},{"above_terrain":true,"airmass":2.36,"alt":24.92,"az":281.1,"t":"2031-02-28T20:45:00Z","terrain":0.02},{"above_terrain":true,"airmass":2.45,"alt":24.0,"az":281.8,"t":"2031-02-28T20:50:00Z","terrain":-0.1},{"above_terrain":true,"airmass":2.54,"alt":23.09,"az":282.5,"t":"2031-02-28T20:55:00Z","terrain":-0.06},{"above_terrain":true,"airmass":2.63,"alt":22.18,"az":283.3,"t":"2031-02-28T21:00:00Z","terrain":0.03},{"above_terrain":true,"airmass":2.74,"alt":21.27,"az":284.0,"t":"2031-02-28T21:05:00Z","terrain":0.12},{"above_terrain":true,"airmass":2.85,"alt":20.36,"az":284.8,"t":"2031-02-28T21:10:00Z","terrain":0.21},{"above_terrain":true,"airmass":2.98,"alt":19.46,"az":285.5,"t":"2031-02-28T21:15:00Z","terrain":0.22},{"above_terrain":true,"airmass":3.12,"alt":18.56,"az":286.3,"t":"2031-02-28T21:20:00Z","terrain":0.26},{"above_terrain":true,"airmass":3.27,"alt":17.66,"az":287.0,"t":"2031-02-28T21:25:00Z","terrain":0.37},{"above_terrain":true,"airmass":3.43,"alt":16.77,"az":287.8,"t":"2031-02-28T21:30:00Z","terrain":0.22},{"above_terrain":true,"airmass":3.61,"alt":15.88,"az":288.5,"t":"2031-02-28T21:35:00Z","terrain":0.18},{"above_terrain":true,"airmass":3.81,"alt":14.99,"az":289.3,"t":"2031-02-28T21:40:00Z","terrain":0.21},{"above_terrain":true,"airmass":4.04,"alt":14.11,"az":290.0,"t":"2031-02-28T21:45:00Z","terrain":0.29},{"above_terrain":true,"airmass":4.29,"alt":13.23,"az":290.8,"t":"2031-02-28T21:50:00Z","terrain":0.44},{"above_terrain":true,"airmass":4.58,"alt":12.36,"az":291.5,"t":"2031-02-28T21:55:00Z","terrain":0.52},{"above_terrain":true,"airmass":4.91,"alt":11.49,"az":292.3,"t":"2031-02-28T22:00:00Z","terrain":0.47},{"above_terrain":true,"airmass":5.28,"alt":10.63,"az":293.1,"t":"2031-02-28T22:05:00Z","terrain":0.28},{"above_terrain":true,"airmass":5.71,"alt":9.77,"az":293.8,"t":"2031-02-28T22:10:00Z","terrain":0.26},{"above_terrain":true,"airmass":6.21,"alt":8.92,"az":294.6,"t":"2031-02-28T22:15:00Z","terrain":0.24},{"above_terrain":true,"airmass":6.8,"alt":8.07,"az":295.4,"t":"2031-02-28T22:20:00Z","terrain":0.27},{"above_terrain":true,"airmass":7.51,"alt":7.22,"az":296.1,"t":"2031-02-28T22:25:00Z","terrain":0.32},{"above_terrain":true,"airmass":8.38,"alt":6.39,"az":296.9,"t":"2031-02-28T22:30:00Z","terrain":0.27},{"above_terrain":true,"airmass":9.44,"alt":5.56,"az":297.7,"t":"2031-02-28T22:35:00Z","terrain":0.16},{"above_terrain":true,"airmass":10.78,"alt":4.73,"az":298.5,"t":"2031-02-28T22:40:00Z","terrain":0.15},{"above_terrain":true,"airmass":12.52,"alt":3.91,"az":299.3,"t":"2031-02-28T22:45:00Z","terrain":0.23},{"above_terrain":true,"airmass":14.82,"alt":3.1,"az":300.1,"t":"2031-02-28T22:50:00Z","terrain":0.36},{"above_terrain":true,"airmass":17.98,"alt":2.29,"az":300.9,"t":"2031-02-28T22:55:00Z","terrain":0.32},{"above_terrain":true,"airmass":22.5,"alt":1.49,"az":301.7,"t":"2031-02-28T23:00:00Z","terrain":0.14},{"above_terrain":true,"airmass":29.18,"alt":0.7,"az":302.6,"t":"2031-02-28T23:05:00Z","terrain":-0.1},{"above_terrain":true,"airmass":null,"alt":-0.09,"az":303.4,"t":"2031-02-28T23:10:00Z","terrain":-0.18},{"above_terrain":false,"airmass":null,"alt":-0.86,"az":304.2,"t":"2031-02-28T23:15:00Z","terrain":-0.15},{"above_terrain":false,"airmass":null,"alt":-1.63,"az":305.1,"t":"2031-02-28T23:20:00Z","terrain":-0.28},{"above_terrain":false,"airmass":null,"alt":-2.39,"az":305.9,"t":"2031-02-28T23:25:00Z","terrain":-0.18},{"above_terrain":false,"airmass":null,"alt":-3.15,"az":306.8,"t":"2031-02-28T23:30:00Z","terrain":0.11},{"above_terrain":false,"airmass":null,"alt":-3.89,"az":307.7,"t":"2031-02-28T23:35:00Z","terrain":0.27},{"above_terrain":false,"airmass":null,"alt":-4.63,"az":308.5,"t":"2031-02-28T23:40:00Z","terrain":0.24},{"above_terrain":false,"airmass":null,"alt":-5.36,"az":309.4,"t":"2031-02-28T23:45:00Z","terrain":0.19},{"above_terrain":false,"airmass":null,"alt":-6.08,"az":310.3,"t":"2031-02-28T23:50:00Z","terrain":0.26},{"above_terrain":false,"airmass":null,"alt":-6.78,"az":311.2,"t":"2031-02-28T23:55:00Z","terrain":0.31},{"above_terrain":false,"airmass":null,"alt":-7.48,"az":312.1,"t":"2031-03-01T00:00:00Z","terrain":0.16},{"above_terrain":false,"airmass":null,"alt":-8.17,"az":313.1,"t":"2031-03-01T00:05:00Z","terrain":0.28},{"above_terrain":false,"airmass":null,"alt":-8.85,"az":314.0,"t":"2031-03-01T00:10:00Z","terrain":0.47},{"above_terrain":false,"airmass":null,"alt":-9.52,"az":314.9,"t":"2031-03-01T00:15:00Z","terrain":0.55},{"above_terrain":false,"airmass":null,"alt":-10.18,"az":315.9,"t":"2031-03-01T00:20:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-10.82,"az":316.8,"t":"2031-03-01T00:25:00Z","terrain":0.33},{"above_terrain":false,"airmass":null,"alt":-11.46,"az":317.8,"t":"2031-03-01T00:30:00Z","terrain":0.32},{"above_terrain":false,"airmass":null,"alt":-12.08,"az":318.8,"t":"2031-03-01T00:35:00Z","terrain":-0.04},{"above_terrain":false,"airmass":null,"alt":-12.69,"az":319.8,"t":"2031-03-01T00:40:00Z","terrain":-0.19},{"above_terrain":false,"airmass":null,"alt":-13.29,"az":320.8,"t":"2031-03-01T00:45:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-13.87,"az":321.8,"t":"2031-03-01T00:50:00Z","terrain":0.12},{"above_terrain":false,"airmass":null,"alt":-14.45,"az":322.8,"t":"2031-03-01T00:55:00Z","terrain":0.11},{"above_terrain":false,"airmass":null,"alt":-15.01,"az":323.8,"t":"2031-03-01T01:00:00Z","terrain":-0.16},{"above_terrain":false,"airmass":null,"alt":-15.55,"az":324.9,"t":"2031-03-01T01:05:00Z","terrain":-0.19},{"above_terrain":false,"airmass":null,"alt":-16.08,"az":325.9,"t":"2031-03-01T01:10:00Z","terrain":-0.24},{"above_terrain":false,"airmass":null,"alt":-16.6,"az":327.0,"t":"2031-03-01T01:15:00Z","terrain":-0.39},{"above_terrain":false,"airmass":null,"alt":-17.1,"az":328.1,"t":"2031-03-01T01:20:00Z","terrain":-0.22},{"above_terrain":false,"airmass":null,"alt":-17.59,"az":329.1,"t":"2031-03-01T01:25:00Z","terrain":-0.16},{"above_terrain":false,"airmass":null,"alt":-18.06,"az":330.2,"t":"2031-03-01T01:30:00Z","terrain":-0.36},{"above_terrain":false,"airmass":null,"alt":-18.52,"az":331.3,"t":"2031-03-01T01:35:00Z","terrain":-0.3},{"above_terrain":false,"airmass":null,"alt":-18.96,"az":332.5,"t":"2031-03-01T01:40:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-19.38,"az":333.6,"t":"2031-03-01T01:45:00Z","terrain":-0.18},{"above_terrain":false,"airmass":null,"alt":-19.79,"az":334.7,"t":"2031-03-01T01:50:00Z","terrain":-0.49},{"above_terrain":false,"airmass":null,"alt":-20.18,"az":335.9,"t":"2031-03-01T01:55:00Z","terrain":-0.8},{"above_terrain":false,"airmass":null,"alt":-20.56,"az":337.0,"t":"2031-03-01T02:00:00Z","terrain":-0.73},{"above_terrain":false,"airmass":null,"alt":-20.92,"az":338.2,"t":"2031-03-01T02:05:00Z","terrain":-0.52},{"above_terrain":false,"airmass":null,"alt":-21.25,"az":339.3,"t":"2031-03-01T02:10:00Z","terrain":-0.67},{"above_terrain":false,"airmass":null,"alt":-21.58,"az":340.5,"t":"2031-03-01T02:15:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-21.88,"az":341.7,"t":"2031-03-01T02:20:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-22.16,"az":342.9,"t":"2031-03-01T02:25:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-22.43,"az":344.1,"t":"2031-03-01T02:30:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-22.68,"az":345.3,"t":"2031-03-01T02:35:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-22.9,"az":346.5,"t":"2031-03-01T02:40:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-23.11,"az":347.7,"t":"2031-03-01T02:45:00Z","terrain":-0.21},{"above_terrain":false,"airmass":null,"alt":-23.3,"az":349.0,"t":"2031-03-01T02:50:00Z","terrain":-0.0},{"above_terrain":false,"airmass":null,"alt":-23.47,"az":350.2,"t":"2031-03-01T02:55:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-23.62,"az":351.4,"t":"2031-03-01T03:00:00Z","terrain":0.2},{"above_terrain":false,"airmass":null,"alt":-23.75,"az":352.7,"t":"2031-03-01T03:05:00Z","terrain":0.43},{"above_terrain":false,"airmass":null,"alt":-23.86,"az":353.9,"t":"2031-03-01T03:10:00Z","terrain":0.61},{"above_terrain":false,"airmass":null,"alt":-23.95,"az":355.2,"t":"2031-03-01T03:15:00Z","terrain":0.64},{"above_terrain":false,"airmass":null,"alt":-24.01,"az":356.4,"t":"2031-03-01T03:20:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-24.06,"az":357.7,"t":"2031-03-01T03:25:00Z","terrain":0.66},{"above_terrain":false,"airmass":null,"alt":-24.09,"az":358.9,"t":"2031-03-01T03:30:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-24.1,"az":0.2,"t":"2031-03-01T03:35:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-24.08,"az":1.4,"t":"2031-03-01T03:40:00Z","terrain":0.26},{"above_terrain":false,"airmass":null,"alt":-24.05,"az":2.7,"t":"2031-03-01T03:45:00Z","terrain":-0.05},{"above_terrain":false,"airmass":null,"alt":-24.0,"az":3.9,"t":"2031-03-01T03:50:00Z","terrain":-0.27},{"above_terrain":false,"airmass":null,"alt":-23.92,"az":5.2,"t":"2031-03-01T03:55:00Z","terrain":-0.46},{"above_terrain":false,"airmass":null,"alt":-23.83,"az":6.4,"t":"2031-03-01T04:00:00Z","terrain":-0.51},{"above_terrain":false,"airmass":null,"alt":-23.71,"az":7.7,"t":"2031-03-01T04:05:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-23.58,"az":8.9,"t":"2031-03-01T04:10:00Z","terrain":-0.64},{"above_terrain":false,"airmass":null,"alt":-23.42,"az":10.1,"t":"2031-03-01T04:15:00Z","terrain":-0.57},{"above_terrain":false,"airmass":null,"alt":-23.25,"az":11.4,"t":"2031-03-01T04:20:00Z","terrain":-0.32},{"above_terrain":false,"airmass":null,"alt":-23.05,"az":12.6,"t":"2031-03-01T04:25:00Z","terrain":-0.11},{"above_terrain":false,"airmass":null,"alt":-22.84,"az":13.8,"t":"2031-03-01T04:30:00Z","terrain":0.06},{"above_terrain":false,"airmass":null,"alt":-22.61,"az":15.0,"t":"2031-03-01T04:35:00Z","terrain":0.41},{"above_terrain":false,"airmass":null,"alt":-22.36,"az":16.2,"t":"2031-03-01T04:40:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-22.08,"az":17.4,"t":"2031-03-01T04:45:00Z","terrain":0.5},{"above_terrain":false,"airmass":null,"alt":-21.79,"az":18.6,"t":"2031-03-01T04:50:00Z","terrain":0.59},{"above_terrain":false,"airmass":null,"alt":-21.49,"az":19.8,"t":"2031-03-01T04:55:00Z","terrain":0.66},{"above_terrain":false,"airmass":null,"alt":-21.16,"az":21.0,"t":"2031-03-01T05:00:00Z","terrain":0.69},{"above_terrain":false,"airmass":null,"alt":-20.82,"az":22.2,"t":"2031-03-01T05:05:00Z","terrain":1.02},{"above_terrain":false,"airmass":null,"alt":-20.45,"az":23.3,"t":"2031-03-01T05:10:00Z","terrain":1.08},{"above_terrain":false,"airmass":null,"alt":-20.08,"az":24.5,"t":"2031-03-01T05:15:00Z","terrain":1.06},{"above_terrain":false,"airmass":null,"alt":-19.68,"az":25.6,"t":"2031-03-01T05:20:00Z","terrain":1.29},{"above_terrain":false,"airmass":null,"alt":-19.27,"az":26.7,"t":"2031-03-01T05:25:00Z","terrain":1.3},{"above_terrain":false,"airmass":null,"alt":-18.84,"az":27.9,"t":"2031-03-01T05:30:00Z","terrain":1.2},{"above_terrain":false,"airmass":null,"alt":-18.39,"az":29.0,"t":"2031-03-01T05:35:00Z","terrain":1.01},{"above_terrain":false,"airmass":null,"alt":-17.93,"az":30.1,"t":"2031-03-01T05:40:00Z","terrain":1.16},{"above_terrain":false,"airmass":null,"alt":-17.45,"az":31.2,"t":"2031-03-01T05:45:00Z","terrain":1.31},{"above_terrain":false,"airmass":null,"alt":-16.96,"az":32.2,"t":"2031-03-01T05:50:00Z","terrain":1.25},{"above_terrain":false,"airmass":null,"alt":-16.46,"az":33.3,"t":"2031-03-01T05:55:00Z","terrain":0.82},{"above_terrain":false,"airmass":null,"alt":-15.93,"az":34.4,"t":"2031-03-01T06:00:00Z","terrain":0.29},{"above_terrain":false,"airmass":null,"alt":-15.4,"az":35.4,"t":"2031-03-01T06:05:00Z","terrain":0.04},{"above_terrain":false,"airmass":null,"alt":-14.85,"az":36.5,"t":"2031-03-01T06:10:00Z","terrain":-0.02},{"above_terrain":false,"airmass":null,"alt":-14.29,"az":37.5,"t":"2031-03-01T06:15:00Z","terrain":-0.15},{"above_terrain":false,"airmass":null,"alt":-13.71,"az":38.5,"t":"2031-03-01T06:20:00Z","terrain":-0.18},{"above_terrain":false,"airmass":null,"alt":-13.12,"az":39.5,"t":"2031-03-01T06:25:00Z","terrain":-0.1},{"above_terrain":false,"airmass":null,"alt":-12.52,"az":40.5,"t":"2031-03-01T06:30:00Z","terrain":-0.01},{"above_terrain":false,"airmass":null,"alt":-11.91,"az":41.5,"t":"2031-03-01T06:35:00Z","terrain":0.07},{"above_terrain":false,"airmass":null,"alt":-11.28,"az":42.5,"t":"2031-03-01T06:40:00Z","terrain":0.18},{"above_terrain":false,"airmass":null,"alt":-10.64,"az":43.4,"t":"2031-03-01T06:45:00Z","terrain":0.32},{"above_terrain":false,"airmass":null,"alt":-9.99,"az":44.4,"t":"2031-03-01T06:50:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-9.33,"az":45.3,"t":"2031-03-01T06:55:00Z","terrain":0.61},{"above_terrain":false,"airmass":null,"alt":-8.66,"az":46.3,"t":"2031-03-01T07:00:00Z","terrain":0.65},{"above_terrain":false,"airmass":null,"alt":-7.98,"az":47.2,"t":"2031-03-01T07:05:00Z","terrain":0.59},{"above_terrain":false,"airmass":null,"alt":-7.29,"az":48.1,"t":"2031-03-01T07:10:00Z","terrain":0.52},{"above_terrain":false,"airmass":null,"alt":-6.59,"az":49.0,"t":"2031-03-01T07:15:00Z","terrain":0.41},{"above_terrain":false,"airmass":null,"alt":-5.87,"az":49.9,"t":"2031-03-01T07:20:00Z","terrain":0.4},{"above_terrain":false,"airmass":null,"alt":-5.15,"az":50.8,"t":"2031-03-01T07:25:00Z","terrain":0.51},{"above_terrain":false,"airmass":null,"alt":-4.42,"az":51.7,"t":"2031-03-01T07:30:00Z","terrain":0.6},{"above_terrain":false,"airmass":null,"alt":-3.68,"az":52.6,"t":"2031-03-01T07:35:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-2.94,"az":53.4,"t":"2031-03-01T07:40:00Z","terrain":0.91},{"above_terrain":false,"airmass":null,"alt":-2.18,"az":54.3,"t":"2031-03-01T07:45:00Z","terrain":1.02},{"above_terrain":false,"airmass":null,"alt":-1.42,"az":55.2,"t":"2031-03-01T07:50:00Z","terrain":1.08},{"above_terrain":false,"airmass":null,"alt":-0.64,"az":56.0,"t":"2031-03-01T07:55:00Z","terrain":1.05},{"above_terrain":false,"airmass":35.97,"alt":0.14,"az":56.8,"t":"2031-03-01T08:00:00Z","terrain":1.07},{"above_terrain":false,"airmass":27.01,"alt":0.92,"az":57.7,"t":"2031-03-01T08:05:00Z","terrain":1.19},{"above_terrain":true,"airmass":21.05,"alt":1.72,"az":58.5,"t":"2031-03-01T08:10:00Z","terrain":1.23},{"above_terrain":true,"airmass":16.98,"alt":2.52,"az":59.3,"t":"2031-03-01T08:15:00Z","terrain":1.2},{"above_terrain":true,"airmass":14.1,"alt":3.33,"az":60.1,"t":"2031-03-01T08:20:00Z","terrain":1.16},{"above_terrain":true,"airmass":11.98,"alt":4.14,"az":60.9,"t":"2031-03-01T08:25:00Z","terrain":1.1},{"above_terrain":true,"airmass":10.37,"alt":4.96,"az":61.7,"t":"2031-03-01T08:30:00Z","terrain":1.03},{"above_terrain":true,"airmass":9.12,"alt":5.79,"az":62.5,"t":"2031-03-01T08:35:00Z","terrain":0.96},{"above_terrain":true,"airmass":8.11,"alt":6.62,"az":63.3,"t":"2031-03-01T08:40:00Z","terrain":0.87},{"above_terrain":true,"airmass":7.3,"alt":7.46,"az":64.1,"t":"2031-03-01T08:45:00Z","terrain":0.77},{"above_terrain":true,"airmass":6.63,"alt":8.31,"az":64.9,"t":"2031-03-01T08:50:00Z","terrain":0.77},{"above_terrain":true,"airmass":6.06,"alt":9.16,"az":65.6,"t":"2031-03-01T08:55:00Z","terrain":0.81},{"above_terrain":true,"airmass":5.58,"alt":10.01,"az":66.4,"t":"2031-03-01T09:00:00Z","terrain":0.87},{"above_terrain":true,"airmass":5.17,"alt":10.87,"az":67.2,"t":"2031-03-01T09:05:00Z","terrain":0.94},{"above_terrain":true,"airmass":4.81,"alt":11.74,"az":67.9,"t":"2031-03-01T09:10:00Z","terrain":0.99},{"above_terrain":true,"airmass":4.5,"alt":12.61,"az":68.7,"t":"2031-03-01T09:15:00Z","terrain":1.03},{"above_terrain":true,"airmass":4.22,"alt":13.48,"az":69.4,"t":"2031-03-01T09:20:00Z","terrain":1.12},{"above_terrain":true,"airmass":3.97,"alt":14.36,"az":70.2,"t":"2031-03-01T09:25:00Z","terrain":1.23},{"above_terrain":true,"airmass":3.76,"alt":15.24,"az":70.9,"t":"2031-03-01T09:30:00Z","terrain":1.26},{"above_terrain":true,"airmass":3.56,"alt":16.13,"az":71.7,"t":"2031-03-01T09:35:00Z","terrain":1.22},{"above_terrain":true,"airmass":3.38,"alt":17.02,"az":72.4,"t":"2031-03-01T09:40:00Z","terrain":1.11},{"above_terrain":true,"airmass":3.22,"alt":17.91,"az":73.2,"t":"2031-03-01T09:45:00Z","terrain":0.94},{"above_terrain":true,"airmass":3.08,"alt":18.81,"az":73.9,"t":"2031-03-01T09:50:00Z","terrain":0.75},{"above_terrain":true,"airmass":2.94,"alt":19.71,"az":74.7,"t":"2031-03-01T09:55:00Z","terrain":0.66},{"above_terrain":true,"airmass":2.82,"alt":20.62,"az":75.4,"t":"2031-03-01T10:00:00Z","terrain":0.67}],"transit":{"airmass":1.05,"alt":72.5,"az":179.0,"t":"2031-02-28T15:35:00Z"},"usable_hours":3.5,"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."]}