{"assessment":{"best_window":{"end":"2042-02-17T21:30Z","end_local":"23:30","hours":4.0,"label":"good","mean_quality":0.9,"start":"2042-02-17T17:30Z","start_local":"19:30"},"cost":{"altitude":6.73,"clouds":0.0,"darkness":1.26,"moon":0.0},"formula":"astronomy = 100 * min(1, sky_hours / reference_hours) * peak_sky; overall = astronomy * score_weather / 100 (null when the weather is unknown)","hard_limit":null,"headline":"Astronomically worth it \u2014 weather unknown","hourly":[{"alt":72,"cloud":null,"high":null,"iso":"2042-02-17T16:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-38,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"18:00","wind":null},{"alt":71,"cloud":null,"high":null,"iso":"2042-02-17T17:00Z","label":"marginal","low":null,"mid":null,"moon_alt":-48,"precip":null,"q":0.5,"rh":null,"sky":"astronomical twilight","temp":null,"time":"19:00","wind":null},{"alt":63,"cloud":null,"high":null,"iso":"2042-02-17T18:00Z","label":"good","low":null,"mid":null,"moon_alt":-59,"precip":null,"q":1.0,"rh":null,"sky":"night","temp":null,"time":"20:00","wind":null},{"alt":52,"cloud":null,"high":null,"iso":"2042-02-17T19:00Z","label":"good","low":null,"mid":null,"moon_alt":-68,"precip":null,"q":0.95,"rh":null,"sky":"night","temp":null,"time":"21:00","wind":null},{"alt":41,"cloud":null,"high":null,"iso":"2042-02-17T20:00Z","label":"good","low":null,"mid":null,"moon_alt":-74,"precip":null,"q":0.87,"rh":null,"sky":"night","temp":null,"time":"22:00","wind":null},{"alt":30,"cloud":null,"high":null,"iso":"2042-02-17T21:00Z","label":"good","low":null,"mid":null,"moon_alt":-73,"precip":null,"q":0.8,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":19,"cloud":null,"high":null,"iso":"2042-02-17T22:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-65,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":9,"cloud":null,"high":null,"iso":"2042-02-17T23:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-56,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":-1,"cloud":null,"high":null,"iso":"2042-02-18T00:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-45,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":-10,"cloud":null,"high":null,"iso":"2042-02-18T01:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-34,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":-17,"cloud":null,"high":null,"iso":"2042-02-18T02:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-24,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":-22,"cloud":null,"high":null,"iso":"2042-02-18T03:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-14,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"05:00","wind":null},{"alt":-24,"cloud":null,"high":null,"iso":"2042-02-18T04:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-4,"precip":null,"q":0.0,"rh":null,"sky":"astronomical twilight","temp":null,"time":"06:00","wind":null},{"alt":-23,"cloud":null,"high":null,"iso":"2042-02-18T05:00Z","label":"unusable","low":null,"mid":null,"moon_alt":5,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"07:00","wind":null}],"peak_quality":1.0,"peak_sky":1.0,"quality_hours":4.13,"reasons":["the target being low or below 20\u00b0 cost 6.7 quality-hours","daylight and twilight cost 1.3 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":100,"score_weather":null,"sky_hours":4.13,"verdict":"unknown","verdict_astronomy":"good","weather_known":false,"windows":[{"end":"2042-02-17T16:30Z","end_local":"18:30","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2042-02-17T15:55Z","start_local":"17:55"},{"end":"2042-02-17T17:00Z","end_local":"19:00","hours":0.5,"label":"poor","mean_quality":0.15,"start":"2042-02-17T16:30Z","start_local":"18:30"},{"end":"2042-02-17T17:30Z","end_local":"19:30","hours":0.5,"label":"marginal","mean_quality":0.5,"start":"2042-02-17T17:00Z","start_local":"19:00"},{"end":"2042-02-17T21:30Z","end_local":"23:30","hours":4.0,"label":"good","mean_quality":0.9,"start":"2042-02-17T17:30Z","start_local":"19:30"},{"end":"2042-02-17T21:55Z","end_local":"23:55","hours":0.42,"label":"marginal","mean_quality":0.51,"start":"2042-02-17T21:30Z","start_local":"23:30"},{"end":"2042-02-18T05:15Z","end_local":"07:15","hours":7.33,"label":"unusable","mean_quality":0.0,"start":"2042-02-17T21:55Z","start_local":"23:55"}]},"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":"2042-02-17T17:29:51Z","dark_hours":10.16,"dark_to":"2042-02-18T03:39:29Z","moon":{"illumination":0.082,"phase":"waning crescent","waxing":false},"moon_free_dark_hours":10.15,"moonrise":"2042-02-18T04:27:16Z","moonset":"2042-02-17T12:07:01Z","sunrise":"2042-02-18T05:12:22Z","sunset":"2042-02-17T15:56:45Z","twilight":{"astronomical":{"end":"2042-02-17T17:29:51Z","start":"2042-02-18T03:39:29Z"},"civil":{"end":"2042-02-17T16:25:09Z","start":"2042-02-18T04:44:02Z"},"nautical":{"end":"2042-02-17T16:57:38Z","start":"2042-02-18T04:11:38Z"}},"window_end":"2042-02-18T10:00:00Z","window_start":"2042-02-17T10:00:00Z"},"night_date":"2042-02-17","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.08,"alt":67.1,"t":"2042-02-17T17:30:00Z"},"dec":24.11388889,"dec_of_date":24.2419,"dec_str":"+24\u00b0 06' 50.0\"","good_hours":3.58,"limit_rise":"2042-02-17T10:42:59Z","limit_set":"2042-02-17T21:54:41Z","max_az_rate_deg_per_min":0.76,"moon_separation":123.4,"never_rises":false,"ra":56.60083333,"ra_of_date":57.2289,"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":"3.6 dark hours above 30\u00b0 \u2014 a proper target for this night.","terrain":{"available":true,"behind_at":"2042-02-17T23:53:13Z","blocked_dark_hours":0,"clears_at":"2042-02-18T08:49:22Z","rise_az":68.4},"track":[{"above_terrain":true,"airmass":4.58,"alt":12.36,"az":68.4,"t":"2042-02-17T10:00:00Z","terrain":1.02},{"above_terrain":true,"airmass":4.29,"alt":13.24,"az":69.2,"t":"2042-02-17T10:05:00Z","terrain":1.08},{"above_terrain":true,"airmass":4.04,"alt":14.11,"az":69.9,"t":"2042-02-17T10:10:00Z","terrain":1.21},{"above_terrain":true,"airmass":3.81,"alt":14.99,"az":70.7,"t":"2042-02-17T10:15:00Z","terrain":1.25},{"above_terrain":true,"airmass":3.61,"alt":15.88,"az":71.4,"t":"2042-02-17T10:20:00Z","terrain":1.23},{"above_terrain":true,"airmass":3.43,"alt":16.77,"az":72.2,"t":"2042-02-17T10:25:00Z","terrain":1.16},{"above_terrain":true,"airmass":3.27,"alt":17.66,"az":72.9,"t":"2042-02-17T10:30:00Z","terrain":1.0},{"above_terrain":true,"airmass":3.12,"alt":18.56,"az":73.7,"t":"2042-02-17T10:35:00Z","terrain":0.81},{"above_terrain":true,"airmass":2.98,"alt":19.46,"az":74.4,"t":"2042-02-17T10:40:00Z","terrain":0.69},{"above_terrain":true,"airmass":2.85,"alt":20.36,"az":75.2,"t":"2042-02-17T10:45:00Z","terrain":0.65},{"above_terrain":true,"airmass":2.74,"alt":21.27,"az":75.9,"t":"2042-02-17T10:50:00Z","terrain":0.71},{"above_terrain":true,"airmass":2.63,"alt":22.18,"az":76.7,"t":"2042-02-17T10:55:00Z","terrain":0.71},{"above_terrain":true,"airmass":2.54,"alt":23.09,"az":77.4,"t":"2042-02-17T11:00:00Z","terrain":0.67},{"above_terrain":true,"airmass":2.45,"alt":24.0,"az":78.2,"t":"2042-02-17T11:05:00Z","terrain":0.62},{"above_terrain":true,"airmass":2.36,"alt":24.92,"az":78.9,"t":"2042-02-17T11:10:00Z","terrain":0.58},{"above_terrain":true,"airmass":2.29,"alt":25.84,"az":79.7,"t":"2042-02-17T11:15:00Z","terrain":0.5},{"above_terrain":true,"airmass":2.21,"alt":26.76,"az":80.4,"t":"2042-02-17T11:20:00Z","terrain":0.55},{"above_terrain":true,"airmass":2.14,"alt":27.69,"az":81.2,"t":"2042-02-17T11:25:00Z","terrain":0.7},{"above_terrain":true,"airmass":2.08,"alt":28.61,"az":81.9,"t":"2042-02-17T11:30:00Z","terrain":0.79},{"above_terrain":true,"airmass":2.02,"alt":29.54,"az":82.7,"t":"2042-02-17T11:35:00Z","terrain":0.57},{"above_terrain":true,"airmass":1.97,"alt":30.47,"az":83.5,"t":"2042-02-17T11:40:00Z","terrain":0.43},{"above_terrain":true,"airmass":1.91,"alt":31.4,"az":84.2,"t":"2042-02-17T11:45:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.87,"alt":32.33,"az":85.0,"t":"2042-02-17T11:50:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.82,"alt":33.26,"az":85.8,"t":"2042-02-17T11:55:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.78,"alt":34.2,"az":86.6,"t":"2042-02-17T12:00:00Z","terrain":0.11},{"above_terrain":true,"airmass":1.73,"alt":35.13,"az":87.4,"t":"2042-02-17T12:05:00Z","terrain":0.02},{"above_terrain":true,"airmass":1.7,"alt":36.07,"az":88.2,"t":"2042-02-17T12:10:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.66,"alt":37.0,"az":89.0,"t":"2042-02-17T12:15:00Z","terrain":-0.2},{"above_terrain":true,"airmass":1.62,"alt":37.94,"az":89.8,"t":"2042-02-17T12:20:00Z","terrain":-0.22},{"above_terrain":true,"airmass":1.59,"alt":38.88,"az":90.7,"t":"2042-02-17T12:25:00Z","terrain":-0.13},{"above_terrain":true,"airmass":1.56,"alt":39.81,"az":91.5,"t":"2042-02-17T12:30:00Z","terrain":0.01},{"above_terrain":true,"airmass":1.53,"alt":40.75,"az":92.4,"t":"2042-02-17T12:35:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.5,"alt":41.68,"az":93.3,"t":"2042-02-17T12:40:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.48,"alt":42.62,"az":94.1,"t":"2042-02-17T12:45:00Z","terrain":0.41},{"above_terrain":true,"airmass":1.45,"alt":43.55,"az":95.1,"t":"2042-02-17T12:50:00Z","terrain":0.39},{"above_terrain":true,"airmass":1.43,"alt":44.48,"az":96.0,"t":"2042-02-17T12:55:00Z","terrain":0.55},{"above_terrain":true,"airmass":1.4,"alt":45.41,"az":96.9,"t":"2042-02-17T13:00:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.38,"alt":46.34,"az":97.9,"t":"2042-02-17T13:05:00Z","terrain":0.69},{"above_terrain":true,"airmass":1.36,"alt":47.26,"az":98.8,"t":"2042-02-17T13:10:00Z","terrain":0.51},{"above_terrain":true,"airmass":1.34,"alt":48.19,"az":99.8,"t":"2042-02-17T13:15:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.32,"alt":49.11,"az":100.9,"t":"2042-02-17T13:20:00Z","terrain":0.1},{"above_terrain":true,"airmass":1.3,"alt":50.03,"az":101.9,"t":"2042-02-17T13:25:00Z","terrain":-0.03},{"above_terrain":true,"airmass":1.29,"alt":50.94,"az":103.0,"t":"2042-02-17T13:30:00Z","terrain":-0.22},{"above_terrain":true,"airmass":1.27,"alt":51.85,"az":104.1,"t":"2042-02-17T13:35:00Z","terrain":-0.01},{"above_terrain":true,"airmass":1.26,"alt":52.76,"az":105.3,"t":"2042-02-17T13:40:00Z","terrain":-0.32},{"above_terrain":true,"airmass":1.24,"alt":53.66,"az":106.4,"t":"2042-02-17T13:45:00Z","terrain":-0.63},{"above_terrain":true,"airmass":1.23,"alt":54.55,"az":107.6,"t":"2042-02-17T13:50:00Z","terrain":-0.82},{"above_terrain":true,"airmass":1.21,"alt":55.44,"az":108.9,"t":"2042-02-17T13:55:00Z","terrain":-1.16},{"above_terrain":true,"airmass":1.2,"alt":56.32,"az":110.2,"t":"2042-02-17T14:00:00Z","terrain":-1.18},{"above_terrain":true,"airmass":1.19,"alt":57.2,"az":111.5,"t":"2042-02-17T14:05:00Z","terrain":-1.36},{"above_terrain":true,"airmass":1.18,"alt":58.06,"az":112.9,"t":"2042-02-17T14:10:00Z","terrain":-1.44},{"above_terrain":true,"airmass":1.17,"alt":58.92,"az":114.4,"t":"2042-02-17T14:15:00Z","terrain":-1.58},{"above_terrain":true,"airmass":1.16,"alt":59.77,"az":115.9,"t":"2042-02-17T14:20:00Z","terrain":-1.48},{"above_terrain":true,"airmass":1.15,"alt":60.6,"az":117.4,"t":"2042-02-17T14:25:00Z","terrain":-1.54},{"above_terrain":true,"airmass":1.14,"alt":61.43,"az":119.1,"t":"2042-02-17T14:30:00Z","terrain":-1.46},{"above_terrain":true,"airmass":1.13,"alt":62.24,"az":120.8,"t":"2042-02-17T14:35:00Z","terrain":-1.25},{"above_terrain":true,"airmass":1.12,"alt":63.04,"az":122.6,"t":"2042-02-17T14:40:00Z","terrain":-1.3},{"above_terrain":true,"airmass":1.11,"alt":63.82,"az":124.4,"t":"2042-02-17T14:45:00Z","terrain":-1.55},{"above_terrain":true,"airmass":1.11,"alt":64.58,"az":126.4,"t":"2042-02-17T14:50:00Z","terrain":-1.58},{"above_terrain":true,"airmass":1.1,"alt":65.32,"az":128.4,"t":"2042-02-17T14:55:00Z","terrain":-1.29},{"above_terrain":true,"airmass":1.09,"alt":66.04,"az":130.6,"t":"2042-02-17T15:00:00Z","terrain":-1.63},{"above_terrain":true,"airmass":1.09,"alt":66.74,"az":132.8,"t":"2042-02-17T15:05:00Z","terrain":-1.66},{"above_terrain":true,"airmass":1.08,"alt":67.42,"az":135.2,"t":"2042-02-17T15:10:00Z","terrain":-1.28},{"above_terrain":true,"airmass":1.08,"alt":68.06,"az":137.7,"t":"2042-02-17T15:15:00Z","terrain":-1.17},{"above_terrain":true,"airmass":1.07,"alt":68.68,"az":140.3,"t":"2042-02-17T15:20:00Z","terrain":-1.25},{"above_terrain":true,"airmass":1.07,"alt":69.26,"az":143.1,"t":"2042-02-17T15:25:00Z","terrain":-1.37},{"above_terrain":true,"airmass":1.07,"alt":69.8,"az":145.9,"t":"2042-02-17T15:30:00Z","terrain":-1.51},{"above_terrain":true,"airmass":1.06,"alt":70.3,"az":149.0,"t":"2042-02-17T15:35:00Z","terrain":-1.44},{"above_terrain":true,"airmass":1.06,"alt":70.76,"az":152.1,"t":"2042-02-17T15:40:00Z","terrain":-1.23},{"above_terrain":true,"airmass":1.06,"alt":71.18,"az":155.4,"t":"2042-02-17T15:45:00Z","terrain":-1.14},{"above_terrain":true,"airmass":1.05,"alt":71.54,"az":158.7,"t":"2042-02-17T15:50:00Z","terrain":-1.27},{"above_terrain":true,"airmass":1.05,"alt":71.86,"az":162.2,"t":"2042-02-17T15:55:00Z","terrain":-1.37},{"above_terrain":true,"airmass":1.05,"alt":72.11,"az":165.9,"t":"2042-02-17T16:00:00Z","terrain":-1.26},{"above_terrain":true,"airmass":1.05,"alt":72.31,"az":169.5,"t":"2042-02-17T16:05:00Z","terrain":-0.7},{"above_terrain":true,"airmass":1.05,"alt":72.45,"az":173.3,"t":"2042-02-17T16:10:00Z","terrain":-0.48},{"above_terrain":true,"airmass":1.05,"alt":72.53,"az":177.1,"t":"2042-02-17T16:15:00Z","terrain":-0.37},{"above_terrain":true,"airmass":1.05,"alt":72.55,"az":180.9,"t":"2042-02-17T16:20:00Z","terrain":-0.6},{"above_terrain":true,"airmass":1.05,"alt":72.5,"az":184.7,"t":"2042-02-17T16:25:00Z","terrain":-0.6},{"above_terrain":true,"airmass":1.05,"alt":72.39,"az":188.5,"t":"2042-02-17T16:30:00Z","terrain":-0.63},{"above_terrain":true,"airmass":1.05,"alt":72.23,"az":192.2,"t":"2042-02-17T16:35:00Z","terrain":-0.41},{"above_terrain":true,"airmass":1.05,"alt":72.0,"az":195.8,"t":"2042-02-17T16:40:00Z","terrain":-0.61},{"above_terrain":true,"airmass":1.05,"alt":71.72,"az":199.4,"t":"2042-02-17T16:45:00Z","terrain":-0.3},{"above_terrain":true,"airmass":1.05,"alt":71.38,"az":202.8,"t":"2042-02-17T16:50:00Z","terrain":-0.62},{"above_terrain":true,"airmass":1.06,"alt":70.99,"az":206.2,"t":"2042-02-17T16:55:00Z","terrain":0.11},{"above_terrain":true,"airmass":1.06,"alt":70.56,"az":209.4,"t":"2042-02-17T17:00:00Z","terrain":0.44},{"above_terrain":true,"airmass":1.06,"alt":70.07,"az":212.5,"t":"2042-02-17T17:05:00Z","terrain":0.45},{"above_terrain":true,"airmass":1.07,"alt":69.55,"az":215.4,"t":"2042-02-17T17:10:00Z","terrain":0.65},{"above_terrain":true,"airmass":1.07,"alt":68.99,"az":218.2,"t":"2042-02-17T17:15:00Z","terrain":1.26},{"above_terrain":true,"airmass":1.08,"alt":68.39,"az":220.9,"t":"2042-02-17T17:20:00Z","terrain":1.14},{"above_terrain":true,"airmass":1.08,"alt":67.77,"az":223.5,"t":"2042-02-17T17:25:00Z","terrain":0.53},{"above_terrain":true,"airmass":1.08,"alt":67.11,"az":225.9,"t":"2042-02-17T17:30:00Z","terrain":0.58},{"above_terrain":true,"airmass":1.09,"alt":66.42,"az":228.2,"t":"2042-02-17T17:35:00Z","terrain":1.17},{"above_terrain":true,"airmass":1.1,"alt":65.71,"az":230.4,"t":"2042-02-17T17:40:00Z","terrain":1.04},{"above_terrain":true,"airmass":1.1,"alt":64.98,"az":232.5,"t":"2042-02-17T17:45:00Z","terrain":0.85},{"above_terrain":true,"airmass":1.11,"alt":64.23,"az":234.5,"t":"2042-02-17T17:50:00Z","terrain":0.9},{"above_terrain":true,"airmass":1.12,"alt":63.46,"az":236.4,"t":"2042-02-17T17:55:00Z","terrain":0.8},{"above_terrain":true,"airmass":1.13,"alt":62.67,"az":238.3,"t":"2042-02-17T18:00:00Z","terrain":0.72},{"above_terrain":true,"airmass":1.13,"alt":61.87,"az":240.0,"t":"2042-02-17T18:05:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.14,"alt":61.05,"az":241.7,"t":"2042-02-17T18:10:00Z","terrain":0.95},{"above_terrain":true,"airmass":1.15,"alt":60.22,"az":243.3,"t":"2042-02-17T18:15:00Z","terrain":0.99},{"above_terrain":true,"airmass":1.16,"alt":59.38,"az":244.8,"t":"2042-02-17T18:20:00Z","terrain":0.98},{"above_terrain":true,"airmass":1.17,"alt":58.52,"az":246.3,"t":"2042-02-17T18:25:00Z","terrain":1.13},{"above_terrain":true,"airmass":1.18,"alt":57.66,"az":247.7,"t":"2042-02-17T18:30:00Z","terrain":0.7},{"above_terrain":true,"airmass":1.19,"alt":56.79,"az":249.1,"t":"2042-02-17T18:35:00Z","terrain":0.5},{"above_terrain":true,"airmass":1.21,"alt":55.91,"az":250.4,"t":"2042-02-17T18:40:00Z","terrain":0.57},{"above_terrain":true,"airmass":1.22,"alt":55.03,"az":251.7,"t":"2042-02-17T18:45:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.23,"alt":54.14,"az":252.9,"t":"2042-02-17T18:50:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.25,"alt":53.24,"az":254.1,"t":"2042-02-17T18:55:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.26,"alt":52.34,"az":255.3,"t":"2042-02-17T19:00:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.28,"alt":51.43,"az":256.4,"t":"2042-02-17T19:05:00Z","terrain":0.41},{"above_terrain":true,"airmass":1.29,"alt":50.52,"az":257.5,"t":"2042-02-17T19:10:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.31,"alt":49.6,"az":258.6,"t":"2042-02-17T19:15:00Z","terrain":0.43},{"above_terrain":true,"airmass":1.33,"alt":48.68,"az":259.6,"t":"2042-02-17T19:20:00Z","terrain":0.53},{"above_terrain":true,"airmass":1.35,"alt":47.76,"az":260.6,"t":"2042-02-17T19:25:00Z","terrain":0.73},{"above_terrain":true,"airmass":1.37,"alt":46.84,"az":261.6,"t":"2042-02-17T19:30:00Z","terrain":0.93},{"above_terrain":true,"airmass":1.39,"alt":45.91,"az":262.6,"t":"2042-02-17T19:35:00Z","terrain":0.88},{"above_terrain":true,"airmass":1.41,"alt":44.98,"az":263.5,"t":"2042-02-17T19:40:00Z","terrain":0.66},{"above_terrain":true,"airmass":1.44,"alt":44.05,"az":264.5,"t":"2042-02-17T19:45:00Z","terrain":0.46},{"above_terrain":true,"airmass":1.46,"alt":43.12,"az":265.4,"t":"2042-02-17T19:50:00Z","terrain":0.42},{"above_terrain":true,"airmass":1.49,"alt":42.18,"az":266.3,"t":"2042-02-17T19:55:00Z","terrain":0.5},{"above_terrain":true,"airmass":1.51,"alt":41.25,"az":267.1,"t":"2042-02-17T20:00:00Z","terrain":0.58},{"above_terrain":true,"airmass":1.54,"alt":40.31,"az":268.0,"t":"2042-02-17T20:05:00Z","terrain":0.65},{"above_terrain":true,"airmass":1.57,"alt":39.38,"az":268.9,"t":"2042-02-17T20:10:00Z","terrain":0.74},{"above_terrain":true,"airmass":1.61,"alt":38.44,"az":269.7,"t":"2042-02-17T20:15:00Z","terrain":0.86},{"above_terrain":true,"airmass":1.64,"alt":37.51,"az":270.5,"t":"2042-02-17T20:20:00Z","terrain":0.83},{"above_terrain":true,"airmass":1.68,"alt":36.57,"az":271.4,"t":"2042-02-17T20:25:00Z","terrain":0.65},{"above_terrain":true,"airmass":1.71,"alt":35.63,"az":272.2,"t":"2042-02-17T20:30:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.75,"alt":34.7,"az":273.0,"t":"2042-02-17T20:35:00Z","terrain":0.14},{"above_terrain":true,"airmass":1.8,"alt":33.77,"az":273.8,"t":"2042-02-17T20:40:00Z","terrain":0.01},{"above_terrain":true,"airmass":1.84,"alt":32.83,"az":274.6,"t":"2042-02-17T20:45:00Z","terrain":0.04},{"above_terrain":true,"airmass":1.89,"alt":31.9,"az":275.4,"t":"2042-02-17T20:50:00Z","terrain":0.05},{"above_terrain":true,"airmass":1.94,"alt":30.97,"az":276.1,"t":"2042-02-17T20:55:00Z","terrain":-0.03},{"above_terrain":true,"airmass":1.99,"alt":30.04,"az":276.9,"t":"2042-02-17T21:00:00Z","terrain":-0.13},{"above_terrain":true,"airmass":2.05,"alt":29.11,"az":277.7,"t":"2042-02-17T21:05:00Z","terrain":-0.1},{"above_terrain":true,"airmass":2.11,"alt":28.18,"az":278.4,"t":"2042-02-17T21:10:00Z","terrain":-0.05},{"above_terrain":true,"airmass":2.18,"alt":27.26,"az":279.2,"t":"2042-02-17T21:15:00Z","terrain":-0.04},{"above_terrain":true,"airmass":2.25,"alt":26.34,"az":279.9,"t":"2042-02-17T21:20:00Z","terrain":-0.12},{"above_terrain":true,"airmass":2.32,"alt":25.41,"az":280.7,"t":"2042-02-17T21:25:00Z","terrain":-0.02},{"above_terrain":true,"airmass":2.4,"alt":24.5,"az":281.4,"t":"2042-02-17T21:30:00Z","terrain":-0.04},{"above_terrain":true,"airmass":2.49,"alt":23.58,"az":282.2,"t":"2042-02-17T21:35:00Z","terrain":-0.11},{"above_terrain":true,"airmass":2.58,"alt":22.67,"az":282.9,"t":"2042-02-17T21:40:00Z","terrain":-0.02},{"above_terrain":true,"airmass":2.68,"alt":21.76,"az":283.7,"t":"2042-02-17T21:45:00Z","terrain":0.08},{"above_terrain":true,"airmass":2.79,"alt":20.85,"az":284.4,"t":"2042-02-17T21:50:00Z","terrain":0.17},{"above_terrain":true,"airmass":2.91,"alt":19.94,"az":285.2,"t":"2042-02-17T21:55:00Z","terrain":0.23},{"above_terrain":true,"airmass":3.04,"alt":19.04,"az":285.9,"t":"2042-02-17T22:00:00Z","terrain":0.22},{"above_terrain":true,"airmass":3.18,"alt":18.14,"az":286.7,"t":"2042-02-17T22:05:00Z","terrain":0.32},{"above_terrain":true,"airmass":3.34,"alt":17.25,"az":287.4,"t":"2042-02-17T22:10:00Z","terrain":0.29},{"above_terrain":true,"airmass":3.51,"alt":16.36,"az":288.2,"t":"2042-02-17T22:15:00Z","terrain":0.17},{"above_terrain":true,"airmass":3.7,"alt":15.47,"az":288.9,"t":"2042-02-17T22:20:00Z","terrain":0.18},{"above_terrain":true,"airmass":3.92,"alt":14.59,"az":289.7,"t":"2042-02-17T22:25:00Z","terrain":0.25},{"above_terrain":true,"airmass":4.15,"alt":13.71,"az":290.4,"t":"2042-02-17T22:30:00Z","terrain":0.37},{"above_terrain":true,"airmass":4.42,"alt":12.83,"az":291.2,"t":"2042-02-17T22:35:00Z","terrain":0.5},{"above_terrain":true,"airmass":4.72,"alt":11.96,"az":291.9,"t":"2042-02-17T22:40:00Z","terrain":0.55},{"above_terrain":true,"airmass":5.07,"alt":11.09,"az":292.7,"t":"2042-02-17T22:45:00Z","terrain":0.37},{"above_terrain":true,"airmass":5.47,"alt":10.23,"az":293.4,"t":"2042-02-17T22:50:00Z","terrain":0.27},{"above_terrain":true,"airmass":5.93,"alt":9.38,"az":294.2,"t":"2042-02-17T22:55:00Z","terrain":0.25},{"above_terrain":true,"airmass":6.47,"alt":8.53,"az":295.0,"t":"2042-02-17T23:00:00Z","terrain":0.23},{"above_terrain":true,"airmass":7.11,"alt":7.68,"az":295.8,"t":"2042-02-17T23:05:00Z","terrain":0.31},{"above_terrain":true,"airmass":7.89,"alt":6.84,"az":296.5,"t":"2042-02-17T23:10:00Z","terrain":0.29},{"above_terrain":true,"airmass":8.83,"alt":6.01,"az":297.3,"t":"2042-02-17T23:15:00Z","terrain":0.21},{"above_terrain":true,"airmass":10.01,"alt":5.18,"az":298.1,"t":"2042-02-17T23:20:00Z","terrain":0.13},{"above_terrain":true,"airmass":11.51,"alt":4.36,"az":298.9,"t":"2042-02-17T23:25:00Z","terrain":0.17},{"above_terrain":true,"airmass":13.48,"alt":3.54,"az":299.7,"t":"2042-02-17T23:30:00Z","terrain":0.31},{"above_terrain":true,"airmass":16.13,"alt":2.73,"az":300.5,"t":"2042-02-17T23:35:00Z","terrain":0.34},{"above_terrain":true,"airmass":19.83,"alt":1.93,"az":301.3,"t":"2042-02-17T23:40:00Z","terrain":0.24},{"above_terrain":true,"airmass":25.19,"alt":1.13,"az":302.2,"t":"2042-02-17T23:45:00Z","terrain":0.03},{"above_terrain":true,"airmass":33.23,"alt":0.34,"az":303.0,"t":"2042-02-17T23:50:00Z","terrain":-0.23},{"above_terrain":false,"airmass":null,"alt":-0.44,"az":303.8,"t":"2042-02-17T23:55:00Z","terrain":-0.12},{"above_terrain":false,"airmass":null,"alt":-1.21,"az":304.7,"t":"2042-02-18T00:00:00Z","terrain":-0.23},{"above_terrain":false,"airmass":null,"alt":-1.98,"az":305.5,"t":"2042-02-18T00:05:00Z","terrain":-0.23},{"above_terrain":false,"airmass":null,"alt":-2.74,"az":306.4,"t":"2042-02-18T00:10:00Z","terrain":-0.04},{"above_terrain":false,"airmass":null,"alt":-3.48,"az":307.2,"t":"2042-02-18T00:15:00Z","terrain":0.21},{"above_terrain":false,"airmass":null,"alt":-4.23,"az":308.1,"t":"2042-02-18T00:20:00Z","terrain":0.3},{"above_terrain":false,"airmass":null,"alt":-4.96,"az":309.0,"t":"2042-02-18T00:25:00Z","terrain":0.17},{"above_terrain":false,"airmass":null,"alt":-5.68,"az":309.9,"t":"2042-02-18T00:30:00Z","terrain":0.21},{"above_terrain":false,"airmass":null,"alt":-6.39,"az":310.8,"t":"2042-02-18T00:35:00Z","terrain":0.33},{"above_terrain":false,"airmass":null,"alt":-7.1,"az":311.7,"t":"2042-02-18T00:40:00Z","terrain":0.21},{"above_terrain":false,"airmass":null,"alt":-7.79,"az":312.6,"t":"2042-02-18T00:45:00Z","terrain":0.22},{"above_terrain":false,"airmass":null,"alt":-8.48,"az":313.5,"t":"2042-02-18T00:50:00Z","terrain":0.37},{"above_terrain":false,"airmass":null,"alt":-9.15,"az":314.5,"t":"2042-02-18T00:55:00Z","terrain":0.51},{"above_terrain":false,"airmass":null,"alt":-9.81,"az":315.4,"t":"2042-02-18T01:00:00Z","terrain":0.53},{"above_terrain":false,"airmass":null,"alt":-10.46,"az":316.4,"t":"2042-02-18T01:05:00Z","terrain":0.42},{"above_terrain":false,"airmass":null,"alt":-11.1,"az":317.3,"t":"2042-02-18T01:10:00Z","terrain":0.31},{"above_terrain":false,"airmass":null,"alt":-11.73,"az":318.3,"t":"2042-02-18T01:15:00Z","terrain":0.19},{"above_terrain":false,"airmass":null,"alt":-12.35,"az":319.3,"t":"2042-02-18T01:20:00Z","terrain":-0.16},{"above_terrain":false,"airmass":null,"alt":-12.95,"az":320.3,"t":"2042-02-18T01:25:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-13.55,"az":321.3,"t":"2042-02-18T01:30:00Z","terrain":-0.09},{"above_terrain":false,"airmass":null,"alt":-14.12,"az":322.3,"t":"2042-02-18T01:35:00Z","terrain":0.17},{"above_terrain":false,"airmass":null,"alt":-14.69,"az":323.3,"t":"2042-02-18T01:40:00Z","terrain":-0.01},{"above_terrain":false,"airmass":null,"alt":-15.24,"az":324.4,"t":"2042-02-18T01:45:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-15.78,"az":325.4,"t":"2042-02-18T01:50:00Z","terrain":-0.21},{"above_terrain":false,"airmass":null,"alt":-16.31,"az":326.5,"t":"2042-02-18T01:55:00Z","terrain":-0.31},{"above_terrain":false,"airmass":null,"alt":-16.82,"az":327.5,"t":"2042-02-18T02:00:00Z","terrain":-0.31},{"above_terrain":false,"airmass":null,"alt":-17.31,"az":328.6,"t":"2042-02-18T02:05:00Z","terrain":-0.17},{"above_terrain":false,"airmass":null,"alt":-17.79,"az":329.7,"t":"2042-02-18T02:10:00Z","terrain":-0.28},{"above_terrain":false,"airmass":null,"alt":-18.25,"az":330.8,"t":"2042-02-18T02:15:00Z","terrain":-0.38},{"above_terrain":false,"airmass":null,"alt":-18.7,"az":331.9,"t":"2042-02-18T02:20:00Z","terrain":-0.17},{"above_terrain":false,"airmass":null,"alt":-19.14,"az":333.0,"t":"2042-02-18T02:25:00Z","terrain":-0.12},{"above_terrain":false,"airmass":null,"alt":-19.55,"az":334.1,"t":"2042-02-18T02:30:00Z","terrain":-0.28},{"above_terrain":false,"airmass":null,"alt":-19.95,"az":335.3,"t":"2042-02-18T02:35:00Z","terrain":-0.66},{"above_terrain":false,"airmass":null,"alt":-20.34,"az":336.4,"t":"2042-02-18T02:40:00Z","terrain":-0.79},{"above_terrain":false,"airmass":null,"alt":-20.7,"az":337.6,"t":"2042-02-18T02:45:00Z","terrain":-0.58},{"above_terrain":false,"airmass":null,"alt":-21.05,"az":338.7,"t":"2042-02-18T02:50:00Z","terrain":-0.68},{"above_terrain":false,"airmass":null,"alt":-21.38,"az":339.9,"t":"2042-02-18T02:55:00Z","terrain":-0.55},{"above_terrain":false,"airmass":null,"alt":-21.69,"az":341.1,"t":"2042-02-18T03:00:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-21.99,"az":342.3,"t":"2042-02-18T03:05:00Z","terrain":-0.46},{"above_terrain":false,"airmass":null,"alt":-22.26,"az":343.5,"t":"2042-02-18T03:10:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-22.52,"az":344.7,"t":"2042-02-18T03:15:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-22.76,"az":345.9,"t":"2042-02-18T03:20:00Z","terrain":-0.54},{"above_terrain":false,"airmass":null,"alt":-22.97,"az":347.1,"t":"2042-02-18T03:25:00Z","terrain":-0.39},{"above_terrain":false,"airmass":null,"alt":-23.17,"az":348.3,"t":"2042-02-18T03:30:00Z","terrain":-0.09},{"above_terrain":false,"airmass":null,"alt":-23.35,"az":349.6,"t":"2042-02-18T03:35:00Z","terrain":0.08},{"above_terrain":false,"airmass":null,"alt":-23.51,"az":350.8,"t":"2042-02-18T03:40:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-23.65,"az":352.0,"t":"2042-02-18T03:45:00Z","terrain":0.28},{"above_terrain":false,"airmass":null,"alt":-23.77,"az":353.3,"t":"2042-02-18T03:50:00Z","terrain":0.53},{"above_terrain":false,"airmass":null,"alt":-23.87,"az":354.5,"t":"2042-02-18T03:55:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-23.95,"az":355.8,"t":"2042-02-18T04:00:00Z","terrain":0.72},{"above_terrain":false,"airmass":null,"alt":-24.01,"az":357.0,"t":"2042-02-18T04:05:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-24.05,"az":358.3,"t":"2042-02-18T04:10:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-24.06,"az":359.5,"t":"2042-02-18T04:15:00Z","terrain":0.56},{"above_terrain":false,"airmass":null,"alt":-24.06,"az":0.8,"t":"2042-02-18T04:20:00Z","terrain":0.4},{"above_terrain":false,"airmass":null,"alt":-24.04,"az":2.0,"t":"2042-02-18T04:25:00Z","terrain":0.11},{"above_terrain":false,"airmass":null,"alt":-23.99,"az":3.3,"t":"2042-02-18T04:30:00Z","terrain":-0.17},{"above_terrain":false,"airmass":null,"alt":-23.93,"az":4.5,"t":"2042-02-18T04:35:00Z","terrain":-0.36},{"above_terrain":false,"airmass":null,"alt":-23.85,"az":5.8,"t":"2042-02-18T04:40:00Z","terrain":-0.55},{"above_terrain":false,"airmass":null,"alt":-23.74,"az":7.0,"t":"2042-02-18T04:45:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-23.62,"az":8.3,"t":"2042-02-18T04:50:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-23.47,"az":9.5,"t":"2042-02-18T04:55:00Z","terrain":-0.63},{"above_terrain":false,"airmass":null,"alt":-23.31,"az":10.7,"t":"2042-02-18T05:00:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-23.12,"az":12.0,"t":"2042-02-18T05:05:00Z","terrain":-0.19},{"above_terrain":false,"airmass":null,"alt":-22.92,"az":13.2,"t":"2042-02-18T05:10:00Z","terrain":-0.04},{"above_terrain":false,"airmass":null,"alt":-22.7,"az":14.4,"t":"2042-02-18T05:15:00Z","terrain":0.22},{"above_terrain":false,"airmass":null,"alt":-22.46,"az":15.6,"t":"2042-02-18T05:20:00Z","terrain":0.46},{"above_terrain":false,"airmass":null,"alt":-22.19,"az":16.8,"t":"2042-02-18T05:25:00Z","terrain":0.47},{"above_terrain":false,"airmass":null,"alt":-21.91,"az":18.0,"t":"2042-02-18T05:30:00Z","terrain":0.53},{"above_terrain":false,"airmass":null,"alt":-21.62,"az":19.2,"t":"2042-02-18T05:35:00Z","terrain":0.63},{"above_terrain":false,"airmass":null,"alt":-21.3,"az":20.4,"t":"2042-02-18T05:40:00Z","terrain":0.68},{"above_terrain":false,"airmass":null,"alt":-20.96,"az":21.5,"t":"2042-02-18T05:45:00Z","terrain":0.85},{"above_terrain":false,"airmass":null,"alt":-20.61,"az":22.7,"t":"2042-02-18T05:50:00Z","terrain":1.11},{"above_terrain":false,"airmass":null,"alt":-20.24,"az":23.9,"t":"2042-02-18T05:55:00Z","terrain":0.95},{"above_terrain":false,"airmass":null,"alt":-19.85,"az":25.0,"t":"2042-02-18T06:00:00Z","terrain":1.22},{"above_terrain":false,"airmass":null,"alt":-19.45,"az":26.1,"t":"2042-02-18T06:05:00Z","terrain":1.33},{"above_terrain":false,"airmass":null,"alt":-19.03,"az":27.3,"t":"2042-02-18T06:10:00Z","terrain":1.26},{"above_terrain":false,"airmass":null,"alt":-18.59,"az":28.4,"t":"2042-02-18T06:15:00Z","terrain":1.12},{"above_terrain":false,"airmass":null,"alt":-18.14,"az":29.5,"t":"2042-02-18T06:20:00Z","terrain":1.07},{"above_terrain":false,"airmass":null,"alt":-17.67,"az":30.6,"t":"2042-02-18T06:25:00Z","terrain":1.24},{"above_terrain":false,"airmass":null,"alt":-17.19,"az":31.7,"t":"2042-02-18T06:30:00Z","terrain":1.32},{"above_terrain":false,"airmass":null,"alt":-16.69,"az":32.7,"t":"2042-02-18T06:35:00Z","terrain":1.08},{"above_terrain":false,"airmass":null,"alt":-16.18,"az":33.8,"t":"2042-02-18T06:40:00Z","terrain":0.54},{"above_terrain":false,"airmass":null,"alt":-15.65,"az":34.9,"t":"2042-02-18T06:45:00Z","terrain":0.1},{"above_terrain":false,"airmass":null,"alt":-15.11,"az":35.9,"t":"2042-02-18T06:50:00Z","terrain":0.03},{"above_terrain":false,"airmass":null,"alt":-14.55,"az":36.9,"t":"2042-02-18T06:55:00Z","terrain":-0.08},{"above_terrain":false,"airmass":null,"alt":-13.98,"az":38.0,"t":"2042-02-18T07:00:00Z","terrain":-0.21},{"above_terrain":false,"airmass":null,"alt":-13.4,"az":39.0,"t":"2042-02-18T07:05:00Z","terrain":-0.16},{"above_terrain":false,"airmass":null,"alt":-12.8,"az":40.0,"t":"2042-02-18T07:10:00Z","terrain":-0.05},{"above_terrain":false,"airmass":null,"alt":-12.2,"az":41.0,"t":"2042-02-18T07:15:00Z","terrain":0.02},{"above_terrain":false,"airmass":null,"alt":-11.58,"az":41.9,"t":"2042-02-18T07:20:00Z","terrain":0.11},{"above_terrain":false,"airmass":null,"alt":-10.94,"az":42.9,"t":"2042-02-18T07:25:00Z","terrain":0.24},{"above_terrain":false,"airmass":null,"alt":-10.3,"az":43.9,"t":"2042-02-18T07:30:00Z","terrain":0.39},{"above_terrain":false,"airmass":null,"alt":-9.65,"az":44.8,"t":"2042-02-18T07:35:00Z","terrain":0.55},{"above_terrain":false,"airmass":null,"alt":-8.98,"az":45.8,"t":"2042-02-18T07:40:00Z","terrain":0.65},{"above_terrain":false,"airmass":null,"alt":-8.31,"az":46.7,"t":"2042-02-18T07:45:00Z","terrain":0.63},{"above_terrain":false,"airmass":null,"alt":-7.62,"az":47.6,"t":"2042-02-18T07:50:00Z","terrain":0.56},{"above_terrain":false,"airmass":null,"alt":-6.92,"az":48.5,"t":"2042-02-18T07:55:00Z","terrain":0.46},{"above_terrain":false,"airmass":null,"alt":-6.22,"az":49.4,"t":"2042-02-18T08:00:00Z","terrain":0.41},{"above_terrain":false,"airmass":null,"alt":-5.5,"az":50.3,"t":"2042-02-18T08:05:00Z","terrain":0.44},{"above_terrain":false,"airmass":null,"alt":-4.78,"az":51.2,"t":"2042-02-18T08:10:00Z","terrain":0.55},{"above_terrain":false,"airmass":null,"alt":-4.04,"az":52.1,"t":"2042-02-18T08:15:00Z","terrain":0.65},{"above_terrain":false,"airmass":null,"alt":-3.3,"az":53.0,"t":"2042-02-18T08:20:00Z","terrain":0.84},{"above_terrain":false,"airmass":null,"alt":-2.55,"az":53.8,"t":"2042-02-18T08:25:00Z","terrain":0.97},{"above_terrain":false,"airmass":null,"alt":-1.79,"az":54.7,"t":"2042-02-18T08:30:00Z","terrain":1.06},{"above_terrain":false,"airmass":null,"alt":-1.02,"az":55.5,"t":"2042-02-18T08:35:00Z","terrain":1.06},{"above_terrain":false,"airmass":null,"alt":-0.24,"az":56.4,"t":"2042-02-18T08:40:00Z","terrain":1.06},{"above_terrain":false,"airmass":30.9,"alt":0.54,"az":57.2,"t":"2042-02-18T08:45:00Z","terrain":1.11},{"above_terrain":true,"airmass":23.65,"alt":1.33,"az":58.0,"t":"2042-02-18T08:50:00Z","terrain":1.25},{"above_terrain":true,"airmass":18.78,"alt":2.13,"az":58.9,"t":"2042-02-18T08:55:00Z","terrain":1.22},{"above_terrain":true,"airmass":15.39,"alt":2.93,"az":59.7,"t":"2042-02-18T09:00:00Z","terrain":1.18},{"above_terrain":true,"airmass":12.94,"alt":3.74,"az":60.5,"t":"2042-02-18T09:05:00Z","terrain":1.13},{"above_terrain":true,"airmass":11.1,"alt":4.56,"az":61.3,"t":"2042-02-18T09:10:00Z","terrain":1.07},{"above_terrain":true,"airmass":9.69,"alt":5.38,"az":62.1,"t":"2042-02-18T09:15:00Z","terrain":1.0},{"above_terrain":true,"airmass":8.58,"alt":6.21,"az":62.9,"t":"2042-02-18T09:20:00Z","terrain":0.92},{"above_terrain":true,"airmass":7.68,"alt":7.05,"az":63.6,"t":"2042-02-18T09:25:00Z","terrain":0.82},{"above_terrain":true,"airmass":6.94,"alt":7.89,"az":64.4,"t":"2042-02-18T09:30:00Z","terrain":0.77},{"above_terrain":true,"airmass":6.33,"alt":8.74,"az":65.2,"t":"2042-02-18T09:35:00Z","terrain":0.78},{"above_terrain":true,"airmass":5.81,"alt":9.59,"az":66.0,"t":"2042-02-18T09:40:00Z","terrain":0.83},{"above_terrain":true,"airmass":5.36,"alt":10.45,"az":66.7,"t":"2042-02-18T09:45:00Z","terrain":0.9},{"above_terrain":true,"airmass":4.98,"alt":11.31,"az":67.5,"t":"2042-02-18T09:50:00Z","terrain":0.96},{"above_terrain":true,"airmass":4.64,"alt":12.18,"az":68.3,"t":"2042-02-18T09:55:00Z","terrain":1.01},{"above_terrain":true,"airmass":4.35,"alt":13.05,"az":69.0,"t":"2042-02-18T10:00:00Z","terrain":1.05}],"transit":{"airmass":1.05,"alt":72.5,"az":180.9,"t":"2042-02-17T16:20:00Z"},"usable_hours":4.42,"verdict":"good","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."]}