{"assessment":{"best_window":{"end":"2028-03-18T19:30Z","end_local":"21:30","hours":1.42,"label":"good","mean_quality":0.77,"start":"2028-03-18T18:05Z","start_local":"20:05"},"cost":{"altitude":7.9,"clouds":0.0,"darkness":1.09,"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 barely \u2014 weather unknown","hourly":[{"alt":42,"cloud":null,"high":null,"iso":"2028-03-18T17:00Z","label":"poor","low":null,"mid":null,"moon_alt":-74,"precip":null,"q":0.13,"rh":null,"sky":"nautical twilight","temp":null,"time":"19:00","wind":null},{"alt":37,"cloud":null,"high":null,"iso":"2028-03-18T18:00Z","label":"marginal","low":null,"mid":null,"moon_alt":-71,"precip":null,"q":0.42,"rh":null,"sky":"astronomical twilight","temp":null,"time":"20:00","wind":null},{"alt":29,"cloud":null,"high":null,"iso":"2028-03-18T19:00Z","label":"good","low":null,"mid":null,"moon_alt":-62,"precip":null,"q":0.76,"rh":null,"sky":"night","temp":null,"time":"21:00","wind":null},{"alt":20,"cloud":null,"high":null,"iso":"2028-03-18T20:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-52,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"22:00","wind":null},{"alt":9,"cloud":null,"high":null,"iso":"2028-03-18T21:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-41,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":-2,"cloud":null,"high":null,"iso":"2028-03-18T22:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-31,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":-13,"cloud":null,"high":null,"iso":"2028-03-18T23:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-20,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":-24,"cloud":null,"high":null,"iso":"2028-03-19T00:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-10,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":-34,"cloud":null,"high":null,"iso":"2028-03-19T01:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-1,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":-44,"cloud":null,"high":null,"iso":"2028-03-19T02:00Z","label":"unusable","low":null,"mid":null,"moon_alt":8,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":-51,"cloud":null,"high":null,"iso":"2028-03-19T03:00Z","label":"unusable","low":null,"mid":null,"moon_alt":15,"precip":null,"q":0.0,"rh":null,"sky":"astronomical twilight","temp":null,"time":"05:00","wind":null},{"alt":-54,"cloud":null,"high":null,"iso":"2028-03-19T04:00Z","label":"unusable","low":null,"mid":null,"moon_alt":20,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"06:00","wind":null}],"peak_quality":0.84,"peak_sky":0.84,"quality_hours":1.64,"reasons":["the target being low or below 20\u00b0 cost 7.9 quality-hours","daylight and twilight cost 1.1 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":34,"score_weather":null,"sky_hours":1.64,"verdict":"unknown","verdict_astronomy":"poor","weather_known":false,"windows":[{"end":"2028-03-18T17:00Z","end_local":"19:00","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2028-03-18T16:30Z","start_local":"18:30"},{"end":"2028-03-18T17:35Z","end_local":"19:35","hours":0.58,"label":"poor","mean_quality":0.13,"start":"2028-03-18T17:00Z","start_local":"19:00"},{"end":"2028-03-18T18:05Z","end_local":"20:05","hours":0.5,"label":"marginal","mean_quality":0.43,"start":"2028-03-18T17:35Z","start_local":"19:35"},{"end":"2028-03-18T19:30Z","end_local":"21:30","hours":1.42,"label":"good","mean_quality":0.77,"start":"2028-03-18T18:05Z","start_local":"20:05"},{"end":"2028-03-18T20:00Z","end_local":"22:00","hours":0.5,"label":"marginal","mean_quality":0.5,"start":"2028-03-18T19:30Z","start_local":"21:30"},{"end":"2028-03-19T04:30Z","end_local":"06:30","hours":8.5,"label":"unusable","mean_quality":0.0,"start":"2028-03-18T20:00Z","start_local":"22:00"}]},"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":"2028-03-18T18:04:35Z","dark_hours":8.8,"dark_to":"2028-03-19T02:52:29Z","moon":{"illumination":0.406,"phase":"waning crescent","waxing":false},"moon_free_dark_hours":7.0,"moonrise":"2028-03-19T01:05:05Z","moonset":"2028-03-19T09:59:37Z","sunrise":"2028-03-19T04:25:34Z","sunset":"2028-03-18T16:31:22Z","twilight":{"astronomical":{"end":"2028-03-18T18:04:35Z","start":"2028-03-19T02:52:29Z"},"civil":{"end":"2028-03-18T16:59:06Z","start":"2028-03-19T03:57:53Z"},"nautical":{"end":"2028-03-18T17:31:33Z","start":"2028-03-19T03:25:29Z"}},"window_end":"2028-03-19T10:00:00Z","window_start":"2028-03-18T10:00:00Z"},"night_date":"2028-03-18","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.69,"alt":36.2,"t":"2028-03-18T18:05:00Z"},"dec":-5.3876,"dec_of_date":-5.3712,"dec_str":"-05\u00b0 23' 15.4\"","good_hours":0.83,"limit_rise":"2028-03-18T12:23:08Z","limit_set":"2028-03-18T19:58:20Z","max_az_rate_deg_per_min":0.0,"moon_separation":145.5,"never_rises":false,"ra":83.8201,"ra_of_date":84.1669,"ra_str":"05h 35m 16.8s","resolved":{"common_name":"Great Orion Nebula","dec":-5.3876,"name":"M 42","ra":83.8201,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=M42","source":"sesame","type":"HII","type_text":"HII region \u2014 a star-forming nebula"},"summary":"Only 0.8 h above 30\u00b0, 1.9 h above 20\u00b0 \u2014 usable, at high airmass.","terrain":{"available":true,"behind_at":"2028-03-18T21:45:27Z","blocked_dark_hours":0,"clears_at":"2028-03-18T10:34:35Z","rise_az":97.9},"track":[{"above_terrain":false,"airmass":null,"alt":-5.76,"az":92.1,"t":"2028-03-18T10:00:00Z","terrain":0.12},{"above_terrain":false,"airmass":null,"alt":-4.83,"az":92.9,"t":"2028-03-18T10:05:00Z","terrain":0.31},{"above_terrain":false,"airmass":null,"alt":-3.89,"az":93.7,"t":"2028-03-18T10:10:00Z","terrain":0.39},{"above_terrain":false,"airmass":null,"alt":-2.96,"az":94.6,"t":"2028-03-18T10:15:00Z","terrain":0.39},{"above_terrain":false,"airmass":null,"alt":-2.03,"az":95.4,"t":"2028-03-18T10:20:00Z","terrain":0.45},{"above_terrain":false,"airmass":null,"alt":-1.09,"az":96.2,"t":"2028-03-18T10:25:00Z","terrain":0.59},{"above_terrain":false,"airmass":null,"alt":-0.16,"az":97.1,"t":"2028-03-18T10:30:00Z","terrain":0.73},{"above_terrain":true,"airmass":28.53,"alt":0.76,"az":97.9,"t":"2028-03-18T10:35:00Z","terrain":0.69},{"above_terrain":true,"airmass":21.22,"alt":1.69,"az":98.7,"t":"2028-03-18T10:40:00Z","terrain":0.54},{"above_terrain":true,"airmass":16.59,"alt":2.61,"az":99.6,"t":"2028-03-18T10:45:00Z","terrain":0.36},{"above_terrain":true,"airmass":13.49,"alt":3.54,"az":100.4,"t":"2028-03-18T10:50:00Z","terrain":0.19},{"above_terrain":true,"airmass":11.31,"alt":4.45,"az":101.3,"t":"2028-03-18T10:55:00Z","terrain":0.05},{"above_terrain":true,"airmass":9.71,"alt":5.37,"az":102.1,"t":"2028-03-18T11:00:00Z","terrain":-0.06},{"above_terrain":true,"airmass":8.49,"alt":6.28,"az":103.0,"t":"2028-03-18T11:05:00Z","terrain":-0.21},{"above_terrain":true,"airmass":7.54,"alt":7.2,"az":103.8,"t":"2028-03-18T11:10:00Z","terrain":-0.03},{"above_terrain":true,"airmass":6.78,"alt":8.1,"az":104.7,"t":"2028-03-18T11:15:00Z","terrain":-0.14},{"above_terrain":true,"airmass":6.15,"alt":9.01,"az":105.6,"t":"2028-03-18T11:20:00Z","terrain":-0.45},{"above_terrain":true,"airmass":5.64,"alt":9.91,"az":106.4,"t":"2028-03-18T11:25:00Z","terrain":-0.63},{"above_terrain":true,"airmass":5.2,"alt":10.8,"az":107.3,"t":"2028-03-18T11:30:00Z","terrain":-0.71},{"above_terrain":true,"airmass":4.83,"alt":11.69,"az":108.2,"t":"2028-03-18T11:35:00Z","terrain":-0.98},{"above_terrain":true,"airmass":4.5,"alt":12.58,"az":109.1,"t":"2028-03-18T11:40:00Z","terrain":-1.19},{"above_terrain":true,"airmass":4.22,"alt":13.46,"az":110.0,"t":"2028-03-18T11:45:00Z","terrain":-1.15},{"above_terrain":true,"airmass":3.98,"alt":14.34,"az":110.9,"t":"2028-03-18T11:50:00Z","terrain":-1.32},{"above_terrain":true,"airmass":3.76,"alt":15.21,"az":111.8,"t":"2028-03-18T11:55:00Z","terrain":-1.37},{"above_terrain":true,"airmass":3.57,"alt":16.08,"az":112.8,"t":"2028-03-18T12:00:00Z","terrain":-1.43},{"above_terrain":true,"airmass":3.4,"alt":16.94,"az":113.7,"t":"2028-03-18T12:05:00Z","terrain":-1.57},{"above_terrain":true,"airmass":3.24,"alt":17.79,"az":114.7,"t":"2028-03-18T12:10:00Z","terrain":-1.55},{"above_terrain":true,"airmass":3.1,"alt":18.64,"az":115.6,"t":"2028-03-18T12:15:00Z","terrain":-1.48},{"above_terrain":true,"airmass":2.98,"alt":19.48,"az":116.6,"t":"2028-03-18T12:20:00Z","terrain":-1.57},{"above_terrain":true,"airmass":2.86,"alt":20.31,"az":117.6,"t":"2028-03-18T12:25:00Z","terrain":-1.5},{"above_terrain":true,"airmass":2.76,"alt":21.14,"az":118.6,"t":"2028-03-18T12:30:00Z","terrain":-1.46},{"above_terrain":true,"airmass":2.66,"alt":21.95,"az":119.6,"t":"2028-03-18T12:35:00Z","terrain":-1.33},{"above_terrain":true,"airmass":2.57,"alt":22.76,"az":120.6,"t":"2028-03-18T12:40:00Z","terrain":-1.25},{"above_terrain":true,"airmass":2.49,"alt":23.56,"az":121.7,"t":"2028-03-18T12:45:00Z","terrain":-1.21},{"above_terrain":true,"airmass":2.41,"alt":24.36,"az":122.7,"t":"2028-03-18T12:50:00Z","terrain":-1.34},{"above_terrain":true,"airmass":2.34,"alt":25.14,"az":123.8,"t":"2028-03-18T12:55:00Z","terrain":-1.46},{"above_terrain":true,"airmass":2.28,"alt":25.91,"az":124.9,"t":"2028-03-18T13:00:00Z","terrain":-1.62},{"above_terrain":true,"airmass":2.22,"alt":26.67,"az":126.0,"t":"2028-03-18T13:05:00Z","terrain":-1.6},{"above_terrain":true,"airmass":2.16,"alt":27.43,"az":127.1,"t":"2028-03-18T13:10:00Z","terrain":-1.52},{"above_terrain":true,"airmass":2.11,"alt":28.17,"az":128.3,"t":"2028-03-18T13:15:00Z","terrain":-1.34},{"above_terrain":true,"airmass":2.06,"alt":28.89,"az":129.4,"t":"2028-03-18T13:20:00Z","terrain":-1.31},{"above_terrain":true,"airmass":2.02,"alt":29.61,"az":130.6,"t":"2028-03-18T13:25:00Z","terrain":-1.63},{"above_terrain":true,"airmass":1.98,"alt":30.32,"az":131.8,"t":"2028-03-18T13:30:00Z","terrain":-1.65},{"above_terrain":true,"airmass":1.94,"alt":31.01,"az":133.0,"t":"2028-03-18T13:35:00Z","terrain":-1.66},{"above_terrain":true,"airmass":1.9,"alt":31.69,"az":134.2,"t":"2028-03-18T13:40:00Z","terrain":-1.49},{"above_terrain":true,"airmass":1.86,"alt":32.35,"az":135.4,"t":"2028-03-18T13:45:00Z","terrain":-1.26},{"above_terrain":true,"airmass":1.83,"alt":33.0,"az":136.7,"t":"2028-03-18T13:50:00Z","terrain":-1.22},{"above_terrain":true,"airmass":1.8,"alt":33.63,"az":138.0,"t":"2028-03-18T13:55:00Z","terrain":-1.14},{"above_terrain":true,"airmass":1.77,"alt":34.25,"az":139.3,"t":"2028-03-18T14:00:00Z","terrain":-1.33},{"above_terrain":true,"airmass":1.75,"alt":34.85,"az":140.6,"t":"2028-03-18T14:05:00Z","terrain":-1.18},{"above_terrain":true,"airmass":1.72,"alt":35.44,"az":142.0,"t":"2028-03-18T14:10:00Z","terrain":-1.32},{"above_terrain":true,"airmass":1.7,"alt":36.01,"az":143.3,"t":"2028-03-18T14:15:00Z","terrain":-1.36},{"above_terrain":true,"airmass":1.68,"alt":36.56,"az":144.7,"t":"2028-03-18T14:20:00Z","terrain":-1.45},{"above_terrain":true,"airmass":1.66,"alt":37.09,"az":146.1,"t":"2028-03-18T14:25:00Z","terrain":-1.48},{"above_terrain":true,"airmass":1.64,"alt":37.6,"az":147.6,"t":"2028-03-18T14:30:00Z","terrain":-1.38},{"above_terrain":true,"airmass":1.62,"alt":38.09,"az":149.0,"t":"2028-03-18T14:35:00Z","terrain":-1.43},{"above_terrain":true,"airmass":1.6,"alt":38.56,"az":150.5,"t":"2028-03-18T14:40:00Z","terrain":-1.2},{"above_terrain":true,"airmass":1.59,"alt":39.01,"az":152.0,"t":"2028-03-18T14:45:00Z","terrain":-1.26},{"above_terrain":true,"airmass":1.57,"alt":39.44,"az":153.5,"t":"2028-03-18T14:50:00Z","terrain":-0.98},{"above_terrain":true,"airmass":1.56,"alt":39.85,"az":155.0,"t":"2028-03-18T14:55:00Z","terrain":-1.09},{"above_terrain":true,"airmass":1.55,"alt":40.23,"az":156.6,"t":"2028-03-18T15:00:00Z","terrain":-1.15},{"above_terrain":true,"airmass":1.53,"alt":40.59,"az":158.2,"t":"2028-03-18T15:05:00Z","terrain":-1.1},{"above_terrain":true,"airmass":1.52,"alt":40.93,"az":159.8,"t":"2028-03-18T15:10:00Z","terrain":-1.02},{"above_terrain":true,"airmass":1.51,"alt":41.24,"az":161.4,"t":"2028-03-18T15:15:00Z","terrain":-1.23},{"above_terrain":true,"airmass":1.51,"alt":41.52,"az":163.0,"t":"2028-03-18T15:20:00Z","terrain":-1.36},{"above_terrain":true,"airmass":1.5,"alt":41.79,"az":164.6,"t":"2028-03-18T15:25:00Z","terrain":-1.44},{"above_terrain":true,"airmass":1.49,"alt":42.02,"az":166.3,"t":"2028-03-18T15:30:00Z","terrain":-1.22},{"above_terrain":true,"airmass":1.49,"alt":42.23,"az":167.9,"t":"2028-03-18T15:35:00Z","terrain":-0.97},{"above_terrain":true,"airmass":1.48,"alt":42.41,"az":169.6,"t":"2028-03-18T15:40:00Z","terrain":-0.69},{"above_terrain":true,"airmass":1.48,"alt":42.57,"az":171.3,"t":"2028-03-18T15:45:00Z","terrain":-0.63},{"above_terrain":true,"airmass":1.47,"alt":42.7,"az":172.9,"t":"2028-03-18T15:50:00Z","terrain":-0.52},{"above_terrain":true,"airmass":1.47,"alt":42.8,"az":174.6,"t":"2028-03-18T15:55:00Z","terrain":-0.43},{"above_terrain":true,"airmass":1.47,"alt":42.87,"az":176.3,"t":"2028-03-18T16:00:00Z","terrain":-0.4},{"above_terrain":true,"airmass":1.47,"alt":42.92,"az":178.0,"t":"2028-03-18T16:05:00Z","terrain":-0.39},{"above_terrain":true,"airmass":1.47,"alt":42.94,"az":179.7,"t":"2028-03-18T16:10:00Z","terrain":-0.52},{"above_terrain":true,"airmass":1.47,"alt":42.93,"az":181.5,"t":"2028-03-18T16:15:00Z","terrain":-0.64},{"above_terrain":true,"airmass":1.47,"alt":42.89,"az":183.2,"t":"2028-03-18T16:20:00Z","terrain":-0.61},{"above_terrain":true,"airmass":1.47,"alt":42.82,"az":184.9,"t":"2028-03-18T16:25:00Z","terrain":-0.6},{"above_terrain":true,"airmass":1.47,"alt":42.73,"az":186.6,"t":"2028-03-18T16:30:00Z","terrain":-0.67},{"above_terrain":true,"airmass":1.48,"alt":42.61,"az":188.2,"t":"2028-03-18T16:35:00Z","terrain":-0.64},{"above_terrain":true,"airmass":1.48,"alt":42.46,"az":189.9,"t":"2028-03-18T16:40:00Z","terrain":-0.56},{"above_terrain":true,"airmass":1.48,"alt":42.29,"az":191.6,"t":"2028-03-18T16:45:00Z","terrain":-0.42},{"above_terrain":true,"airmass":1.49,"alt":42.09,"az":193.3,"t":"2028-03-18T16:50:00Z","terrain":-0.46},{"above_terrain":true,"airmass":1.5,"alt":41.86,"az":194.9,"t":"2028-03-18T16:55:00Z","terrain":-0.44},{"above_terrain":true,"airmass":1.5,"alt":41.6,"az":196.5,"t":"2028-03-18T17:00:00Z","terrain":-0.53},{"above_terrain":true,"airmass":1.51,"alt":41.32,"az":198.2,"t":"2028-03-18T17:05:00Z","terrain":-0.36},{"above_terrain":true,"airmass":1.52,"alt":41.02,"az":199.8,"t":"2028-03-18T17:10:00Z","terrain":-0.27},{"above_terrain":true,"airmass":1.53,"alt":40.69,"az":201.4,"t":"2028-03-18T17:15:00Z","terrain":-0.51},{"above_terrain":true,"airmass":1.54,"alt":40.34,"az":202.9,"t":"2028-03-18T17:20:00Z","terrain":-0.63},{"above_terrain":true,"airmass":1.55,"alt":39.96,"az":204.5,"t":"2028-03-18T17:25:00Z","terrain":-0.37},{"above_terrain":true,"airmass":1.57,"alt":39.56,"az":206.0,"t":"2028-03-18T17:30:00Z","terrain":0.09},{"above_terrain":true,"airmass":1.58,"alt":39.14,"az":207.6,"t":"2028-03-18T17:35:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.6,"alt":38.7,"az":209.1,"t":"2028-03-18T17:40:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.61,"alt":38.23,"az":210.5,"t":"2028-03-18T17:45:00Z","terrain":0.75},{"above_terrain":true,"airmass":1.63,"alt":37.75,"az":212.0,"t":"2028-03-18T17:50:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.65,"alt":37.24,"az":213.4,"t":"2028-03-18T17:55:00Z","terrain":0.57},{"above_terrain":true,"airmass":1.67,"alt":36.72,"az":214.8,"t":"2028-03-18T18:00:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.69,"alt":36.17,"az":216.2,"t":"2028-03-18T18:05:00Z","terrain":0.75},{"above_terrain":true,"airmass":1.71,"alt":35.61,"az":217.6,"t":"2028-03-18T18:10:00Z","terrain":1.17},{"above_terrain":true,"airmass":1.74,"alt":35.03,"az":219.0,"t":"2028-03-18T18:15:00Z","terrain":1.26},{"above_terrain":true,"airmass":1.76,"alt":34.43,"az":220.3,"t":"2028-03-18T18:20:00Z","terrain":1.19},{"above_terrain":true,"airmass":1.79,"alt":33.82,"az":221.6,"t":"2028-03-18T18:25:00Z","terrain":1.09},{"above_terrain":true,"airmass":1.82,"alt":33.19,"az":222.9,"t":"2028-03-18T18:30:00Z","terrain":0.76},{"above_terrain":true,"airmass":1.85,"alt":32.54,"az":224.2,"t":"2028-03-18T18:35:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.89,"alt":31.88,"az":225.4,"t":"2028-03-18T18:40:00Z","terrain":0.48},{"above_terrain":true,"airmass":1.92,"alt":31.21,"az":226.7,"t":"2028-03-18T18:45:00Z","terrain":0.86},{"above_terrain":true,"airmass":1.96,"alt":30.52,"az":227.9,"t":"2028-03-18T18:50:00Z","terrain":1.11},{"above_terrain":true,"airmass":2.01,"alt":29.82,"az":229.1,"t":"2028-03-18T18:55:00Z","terrain":1.3},{"above_terrain":true,"airmass":2.05,"alt":29.11,"az":230.2,"t":"2028-03-18T19:00:00Z","terrain":1.08},{"above_terrain":true,"airmass":2.1,"alt":28.38,"az":231.4,"t":"2028-03-18T19:05:00Z","terrain":0.88},{"above_terrain":true,"airmass":2.15,"alt":27.65,"az":232.5,"t":"2028-03-18T19:10:00Z","terrain":0.85},{"above_terrain":true,"airmass":2.2,"alt":26.9,"az":233.7,"t":"2028-03-18T19:15:00Z","terrain":0.81},{"above_terrain":true,"airmass":2.26,"alt":26.14,"az":234.8,"t":"2028-03-18T19:20:00Z","terrain":0.94},{"above_terrain":true,"airmass":2.32,"alt":25.37,"az":235.9,"t":"2028-03-18T19:25:00Z","terrain":0.81},{"above_terrain":true,"airmass":2.39,"alt":24.59,"az":236.9,"t":"2028-03-18T19:30:00Z","terrain":0.83},{"above_terrain":true,"airmass":2.47,"alt":23.8,"az":238.0,"t":"2028-03-18T19:35:00Z","terrain":0.8},{"above_terrain":true,"airmass":2.55,"alt":23.0,"az":239.0,"t":"2028-03-18T19:40:00Z","terrain":0.52},{"above_terrain":true,"airmass":2.63,"alt":22.19,"az":240.1,"t":"2028-03-18T19:45:00Z","terrain":0.8},{"above_terrain":true,"airmass":2.73,"alt":21.38,"az":241.1,"t":"2028-03-18T19:50:00Z","terrain":0.77},{"above_terrain":true,"airmass":2.83,"alt":20.56,"az":242.1,"t":"2028-03-18T19:55:00Z","terrain":1.04},{"above_terrain":true,"airmass":2.94,"alt":19.72,"az":243.1,"t":"2028-03-18T20:00:00Z","terrain":1.0},{"above_terrain":true,"airmass":3.06,"alt":18.89,"az":244.1,"t":"2028-03-18T20:05:00Z","terrain":0.94},{"above_terrain":true,"airmass":3.2,"alt":18.04,"az":245.0,"t":"2028-03-18T20:10:00Z","terrain":1.0},{"above_terrain":true,"airmass":3.35,"alt":17.19,"az":246.0,"t":"2028-03-18T20:15:00Z","terrain":1.18},{"above_terrain":true,"airmass":3.52,"alt":16.33,"az":246.9,"t":"2028-03-18T20:20:00Z","terrain":1.03},{"above_terrain":true,"airmass":3.7,"alt":15.47,"az":247.9,"t":"2028-03-18T20:25:00Z","terrain":0.63},{"above_terrain":true,"airmass":3.91,"alt":14.6,"az":248.8,"t":"2028-03-18T20:30:00Z","terrain":0.51},{"above_terrain":true,"airmass":4.15,"alt":13.72,"az":249.7,"t":"2028-03-18T20:35:00Z","terrain":0.56},{"above_terrain":true,"airmass":4.42,"alt":12.84,"az":250.6,"t":"2028-03-18T20:40:00Z","terrain":0.56},{"above_terrain":true,"airmass":4.73,"alt":11.96,"az":251.5,"t":"2028-03-18T20:45:00Z","terrain":0.37},{"above_terrain":true,"airmass":5.08,"alt":11.07,"az":252.4,"t":"2028-03-18T20:50:00Z","terrain":0.19},{"above_terrain":true,"airmass":5.5,"alt":10.17,"az":253.3,"t":"2028-03-18T20:55:00Z","terrain":0.17},{"above_terrain":true,"airmass":5.99,"alt":9.27,"az":254.2,"t":"2028-03-18T21:00:00Z","terrain":0.18},{"above_terrain":true,"airmass":6.58,"alt":8.37,"az":255.1,"t":"2028-03-18T21:05:00Z","terrain":0.25},{"above_terrain":true,"airmass":7.3,"alt":7.46,"az":255.9,"t":"2028-03-18T21:10:00Z","terrain":0.38},{"above_terrain":true,"airmass":8.19,"alt":6.55,"az":256.8,"t":"2028-03-18T21:15:00Z","terrain":0.42},{"above_terrain":true,"airmass":9.32,"alt":5.64,"az":257.6,"t":"2028-03-18T21:20:00Z","terrain":0.38},{"above_terrain":true,"airmass":10.79,"alt":4.73,"az":258.5,"t":"2028-03-18T21:25:00Z","terrain":0.42},{"above_terrain":true,"airmass":12.77,"alt":3.81,"az":259.3,"t":"2028-03-18T21:30:00Z","terrain":0.51},{"above_terrain":true,"airmass":15.55,"alt":2.89,"az":260.2,"t":"2028-03-18T21:35:00Z","terrain":0.61},{"above_terrain":true,"airmass":19.63,"alt":1.96,"az":261.0,"t":"2028-03-18T21:40:00Z","terrain":0.84},{"above_terrain":true,"airmass":25.98,"alt":1.04,"az":261.9,"t":"2028-03-18T21:45:00Z","terrain":0.96},{"above_terrain":false,"airmass":36.32,"alt":0.11,"az":262.7,"t":"2028-03-18T21:50:00Z","terrain":0.86},{"above_terrain":false,"airmass":null,"alt":-0.82,"az":263.5,"t":"2028-03-18T21:55:00Z","terrain":0.66},{"above_terrain":false,"airmass":null,"alt":-1.75,"az":264.4,"t":"2028-03-18T22:00:00Z","terrain":0.47},{"above_terrain":false,"airmass":null,"alt":-2.68,"az":265.2,"t":"2028-03-18T22:05:00Z","terrain":0.41},{"above_terrain":false,"airmass":null,"alt":-3.61,"az":266.0,"t":"2028-03-18T22:10:00Z","terrain":0.47},{"above_terrain":false,"airmass":null,"alt":-4.55,"az":266.9,"t":"2028-03-18T22:15:00Z","terrain":0.56},{"above_terrain":false,"airmass":null,"alt":-5.48,"az":267.7,"t":"2028-03-18T22:20:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-6.42,"az":268.5,"t":"2028-03-18T22:25:00Z","terrain":0.7},{"above_terrain":false,"airmass":null,"alt":-7.36,"az":269.3,"t":"2028-03-18T22:30:00Z","terrain":0.8},{"above_terrain":false,"airmass":null,"alt":-8.29,"az":270.2,"t":"2028-03-18T22:35:00Z","terrain":0.88},{"above_terrain":false,"airmass":null,"alt":-9.23,"az":271.0,"t":"2028-03-18T22:40:00Z","terrain":0.77},{"above_terrain":false,"airmass":null,"alt":-10.16,"az":271.9,"t":"2028-03-18T22:45:00Z","terrain":0.47},{"above_terrain":false,"airmass":null,"alt":-11.1,"az":272.7,"t":"2028-03-18T22:50:00Z","terrain":0.23},{"above_terrain":false,"airmass":null,"alt":-12.03,"az":273.5,"t":"2028-03-18T22:55:00Z","terrain":0.05},{"above_terrain":false,"airmass":null,"alt":-12.97,"az":274.4,"t":"2028-03-18T23:00:00Z","terrain":0.02},{"above_terrain":false,"airmass":null,"alt":-13.9,"az":275.2,"t":"2028-03-18T23:05:00Z","terrain":0.07},{"above_terrain":false,"airmass":null,"alt":-14.83,"az":276.1,"t":"2028-03-18T23:10:00Z","terrain":-0.02},{"above_terrain":false,"airmass":null,"alt":-15.76,"az":277.0,"t":"2028-03-18T23:15:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-16.69,"az":277.8,"t":"2028-03-18T23:20:00Z","terrain":-0.09},{"above_terrain":false,"airmass":null,"alt":-17.61,"az":278.7,"t":"2028-03-18T23:25:00Z","terrain":-0.04},{"above_terrain":false,"airmass":null,"alt":-18.54,"az":279.6,"t":"2028-03-18T23:30:00Z","terrain":-0.08},{"above_terrain":false,"airmass":null,"alt":-19.46,"az":280.5,"t":"2028-03-18T23:35:00Z","terrain":-0.05},{"above_terrain":false,"airmass":null,"alt":-20.38,"az":281.4,"t":"2028-03-18T23:40:00Z","terrain":-0.03},{"above_terrain":false,"airmass":null,"alt":-21.3,"az":282.3,"t":"2028-03-18T23:45:00Z","terrain":-0.1},{"above_terrain":false,"airmass":null,"alt":-22.21,"az":283.2,"t":"2028-03-18T23:50:00Z","terrain":0.02},{"above_terrain":false,"airmass":null,"alt":-23.12,"az":284.1,"t":"2028-03-18T23:55:00Z","terrain":0.13},{"above_terrain":false,"airmass":null,"alt":-24.02,"az":285.1,"t":"2028-03-19T00:00:00Z","terrain":0.23},{"above_terrain":false,"airmass":null,"alt":-24.93,"az":286.0,"t":"2028-03-19T00:05:00Z","terrain":0.22},{"above_terrain":false,"airmass":null,"alt":-25.82,"az":287.0,"t":"2028-03-19T00:10:00Z","terrain":0.36},{"above_terrain":false,"airmass":null,"alt":-26.72,"az":287.9,"t":"2028-03-19T00:15:00Z","terrain":0.18},{"above_terrain":false,"airmass":null,"alt":-27.6,"az":288.9,"t":"2028-03-19T00:20:00Z","terrain":0.18},{"above_terrain":false,"airmass":null,"alt":-28.49,"az":289.9,"t":"2028-03-19T00:25:00Z","terrain":0.28},{"above_terrain":false,"airmass":null,"alt":-29.36,"az":290.9,"t":"2028-03-19T00:30:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-30.23,"az":292.0,"t":"2028-03-19T00:35:00Z","terrain":0.55},{"above_terrain":false,"airmass":null,"alt":-31.1,"az":293.0,"t":"2028-03-19T00:40:00Z","terrain":0.28},{"above_terrain":false,"airmass":null,"alt":-31.96,"az":294.1,"t":"2028-03-19T00:45:00Z","terrain":0.25},{"above_terrain":false,"airmass":null,"alt":-32.81,"az":295.2,"t":"2028-03-19T00:50:00Z","terrain":0.25},{"above_terrain":false,"airmass":null,"alt":-33.65,"az":296.3,"t":"2028-03-19T00:55:00Z","terrain":0.31},{"above_terrain":false,"airmass":null,"alt":-34.49,"az":297.4,"t":"2028-03-19T01:00:00Z","terrain":0.21},{"above_terrain":false,"airmass":null,"alt":-35.31,"az":298.5,"t":"2028-03-19T01:05:00Z","terrain":0.15},{"above_terrain":false,"airmass":null,"alt":-36.13,"az":299.7,"t":"2028-03-19T01:10:00Z","terrain":0.31},{"above_terrain":false,"airmass":null,"alt":-36.94,"az":300.9,"t":"2028-03-19T01:15:00Z","terrain":0.33},{"above_terrain":false,"airmass":null,"alt":-37.74,"az":302.1,"t":"2028-03-19T01:20:00Z","terrain":0.06},{"above_terrain":false,"airmass":null,"alt":-38.53,"az":303.3,"t":"2028-03-19T01:25:00Z","terrain":-0.19},{"above_terrain":false,"airmass":null,"alt":-39.3,"az":304.6,"t":"2028-03-19T01:30:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-40.07,"az":305.8,"t":"2028-03-19T01:35:00Z","terrain":-0.19},{"above_terrain":false,"airmass":null,"alt":-40.82,"az":307.1,"t":"2028-03-19T01:40:00Z","terrain":0.2},{"above_terrain":false,"airmass":null,"alt":-41.56,"az":308.5,"t":"2028-03-19T01:45:00Z","terrain":0.25},{"above_terrain":false,"airmass":null,"alt":-42.29,"az":309.8,"t":"2028-03-19T01:50:00Z","terrain":0.21},{"above_terrain":false,"airmass":null,"alt":-43.0,"az":311.2,"t":"2028-03-19T01:55:00Z","terrain":0.31},{"above_terrain":false,"airmass":null,"alt":-43.69,"az":312.7,"t":"2028-03-19T02:00:00Z","terrain":0.23},{"above_terrain":false,"airmass":null,"alt":-44.37,"az":314.1,"t":"2028-03-19T02:05:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-45.04,"az":315.6,"t":"2028-03-19T02:10:00Z","terrain":0.51},{"above_terrain":false,"airmass":null,"alt":-45.68,"az":317.1,"t":"2028-03-19T02:15:00Z","terrain":0.3},{"above_terrain":false,"airmass":null,"alt":-46.31,"az":318.7,"t":"2028-03-19T02:20:00Z","terrain":0.01},{"above_terrain":false,"airmass":null,"alt":-46.92,"az":320.3,"t":"2028-03-19T02:25:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-47.51,"az":321.9,"t":"2028-03-19T02:30:00Z","terrain":0.16},{"above_terrain":false,"airmass":null,"alt":-48.07,"az":323.5,"t":"2028-03-19T02:35:00Z","terrain":-0.08},{"above_terrain":false,"airmass":null,"alt":-48.62,"az":325.2,"t":"2028-03-19T02:40:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-49.14,"az":326.9,"t":"2028-03-19T02:45:00Z","terrain":-0.38},{"above_terrain":false,"airmass":null,"alt":-49.64,"az":328.7,"t":"2028-03-19T02:50:00Z","terrain":-0.16},{"above_terrain":false,"airmass":null,"alt":-50.11,"az":330.5,"t":"2028-03-19T02:55:00Z","terrain":-0.37},{"above_terrain":false,"airmass":null,"alt":-50.56,"az":332.3,"t":"2028-03-19T03:00:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-50.98,"az":334.2,"t":"2028-03-19T03:05:00Z","terrain":-0.29},{"above_terrain":false,"airmass":null,"alt":-51.38,"az":336.1,"t":"2028-03-19T03:10:00Z","terrain":-0.82},{"above_terrain":false,"airmass":null,"alt":-51.74,"az":338.0,"t":"2028-03-19T03:15:00Z","terrain":-0.47},{"above_terrain":false,"airmass":null,"alt":-52.08,"az":339.9,"t":"2028-03-19T03:20:00Z","terrain":-0.54},{"above_terrain":false,"airmass":null,"alt":-52.38,"az":341.9,"t":"2028-03-19T03:25:00Z","terrain":-0.49},{"above_terrain":false,"airmass":null,"alt":-52.66,"az":343.9,"t":"2028-03-19T03:30:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-52.9,"az":345.9,"t":"2028-03-19T03:35:00Z","terrain":-0.54},{"above_terrain":false,"airmass":null,"alt":-53.11,"az":348.0,"t":"2028-03-19T03:40:00Z","terrain":-0.15},{"above_terrain":false,"airmass":null,"alt":-53.29,"az":350.0,"t":"2028-03-19T03:45:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-53.44,"az":352.1,"t":"2028-03-19T03:50:00Z","terrain":0.3},{"above_terrain":false,"airmass":null,"alt":-53.55,"az":354.2,"t":"2028-03-19T03:55:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-53.63,"az":356.3,"t":"2028-03-19T04:00:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-53.67,"az":358.4,"t":"2028-03-19T04:05:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-53.68,"az":0.5,"t":"2028-03-19T04:10:00Z","terrain":0.43},{"above_terrain":false,"airmass":null,"alt":-53.65,"az":2.6,"t":"2028-03-19T04:15:00Z","terrain":-0.04},{"above_terrain":false,"airmass":null,"alt":-53.59,"az":4.7,"t":"2028-03-19T04:20:00Z","terrain":-0.39},{"above_terrain":false,"airmass":null,"alt":-53.5,"az":6.8,"t":"2028-03-19T04:25:00Z","terrain":-0.44},{"above_terrain":false,"airmass":null,"alt":-53.37,"az":8.9,"t":"2028-03-19T04:30:00Z","terrain":-0.64},{"above_terrain":false,"airmass":null,"alt":-53.21,"az":11.0,"t":"2028-03-19T04:35:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-53.01,"az":13.0,"t":"2028-03-19T04:40:00Z","terrain":-0.07},{"above_terrain":false,"airmass":null,"alt":-52.79,"az":15.1,"t":"2028-03-19T04:45:00Z","terrain":0.41},{"above_terrain":false,"airmass":null,"alt":-52.53,"az":17.1,"t":"2028-03-19T04:50:00Z","terrain":0.47},{"above_terrain":false,"airmass":null,"alt":-52.24,"az":19.1,"t":"2028-03-19T04:55:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-51.92,"az":21.0,"t":"2028-03-19T05:00:00Z","terrain":0.7},{"above_terrain":false,"airmass":null,"alt":-51.57,"az":23.0,"t":"2028-03-19T05:05:00Z","terrain":1.15},{"above_terrain":false,"airmass":null,"alt":-51.19,"az":24.9,"t":"2028-03-19T05:10:00Z","terrain":1.18},{"above_terrain":false,"airmass":null,"alt":-50.78,"az":26.7,"t":"2028-03-19T05:15:00Z","terrain":1.3},{"above_terrain":false,"airmass":null,"alt":-50.34,"az":28.6,"t":"2028-03-19T05:20:00Z","terrain":1.08},{"above_terrain":false,"airmass":null,"alt":-49.88,"az":30.4,"t":"2028-03-19T05:25:00Z","terrain":1.21},{"above_terrain":false,"airmass":null,"alt":-49.4,"az":32.2,"t":"2028-03-19T05:30:00Z","terrain":1.28},{"above_terrain":false,"airmass":null,"alt":-48.89,"az":33.9,"t":"2028-03-19T05:35:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-48.35,"az":35.6,"t":"2028-03-19T05:40:00Z","terrain":0.04},{"above_terrain":false,"airmass":null,"alt":-47.8,"az":37.3,"t":"2028-03-19T05:45:00Z","terrain":-0.12},{"above_terrain":false,"airmass":null,"alt":-47.22,"az":38.9,"t":"2028-03-19T05:50:00Z","terrain":-0.16},{"above_terrain":false,"airmass":null,"alt":-46.62,"az":40.5,"t":"2028-03-19T05:55:00Z","terrain":-0.01},{"above_terrain":false,"airmass":null,"alt":-46.0,"az":42.1,"t":"2028-03-19T06:00:00Z","terrain":0.13},{"above_terrain":false,"airmass":null,"alt":-45.37,"az":43.6,"t":"2028-03-19T06:05:00Z","terrain":0.35},{"above_terrain":false,"airmass":null,"alt":-44.71,"az":45.1,"t":"2028-03-19T06:10:00Z","terrain":0.59},{"above_terrain":false,"airmass":null,"alt":-44.04,"az":46.6,"t":"2028-03-19T06:15:00Z","terrain":0.63},{"above_terrain":false,"airmass":null,"alt":-43.35,"az":48.0,"t":"2028-03-19T06:20:00Z","terrain":0.52},{"above_terrain":false,"airmass":null,"alt":-42.65,"az":49.5,"t":"2028-03-19T06:25:00Z","terrain":0.41},{"above_terrain":false,"airmass":null,"alt":-41.93,"az":50.8,"t":"2028-03-19T06:30:00Z","terrain":0.51},{"above_terrain":false,"airmass":null,"alt":-41.2,"az":52.2,"t":"2028-03-19T06:35:00Z","terrain":0.67},{"above_terrain":false,"airmass":null,"alt":-40.45,"az":53.5,"t":"2028-03-19T06:40:00Z","terrain":0.92},{"above_terrain":false,"airmass":null,"alt":-39.69,"az":54.8,"t":"2028-03-19T06:45:00Z","terrain":1.06},{"above_terrain":false,"airmass":null,"alt":-38.92,"az":56.1,"t":"2028-03-19T06:50:00Z","terrain":1.05},{"above_terrain":false,"airmass":null,"alt":-38.14,"az":57.3,"t":"2028-03-19T06:55:00Z","terrain":1.13},{"above_terrain":false,"airmass":null,"alt":-37.35,"az":58.5,"t":"2028-03-19T07:00:00Z","terrain":1.23},{"above_terrain":false,"airmass":null,"alt":-36.54,"az":59.7,"t":"2028-03-19T07:05:00Z","terrain":1.18},{"above_terrain":false,"airmass":null,"alt":-35.73,"az":60.9,"t":"2028-03-19T07:10:00Z","terrain":1.1},{"above_terrain":false,"airmass":null,"alt":-34.91,"az":62.0,"t":"2028-03-19T07:15:00Z","terrain":1.01},{"above_terrain":false,"airmass":null,"alt":-34.08,"az":63.2,"t":"2028-03-19T07:20:00Z","terrain":0.89},{"above_terrain":false,"airmass":null,"alt":-33.24,"az":64.3,"t":"2028-03-19T07:25:00Z","terrain":0.77},{"above_terrain":false,"airmass":null,"alt":-32.39,"az":65.4,"t":"2028-03-19T07:30:00Z","terrain":0.79},{"above_terrain":false,"airmass":null,"alt":-31.54,"az":66.4,"t":"2028-03-19T07:35:00Z","terrain":0.87},{"above_terrain":false,"airmass":null,"alt":-30.68,"az":67.5,"t":"2028-03-19T07:40:00Z","terrain":0.96},{"above_terrain":false,"airmass":null,"alt":-29.81,"az":68.5,"t":"2028-03-19T07:45:00Z","terrain":1.02},{"above_terrain":false,"airmass":null,"alt":-28.93,"az":69.6,"t":"2028-03-19T07:50:00Z","terrain":1.15},{"above_terrain":false,"airmass":null,"alt":-28.05,"az":70.6,"t":"2028-03-19T07:55:00Z","terrain":1.24},{"above_terrain":false,"airmass":null,"alt":-27.17,"az":71.6,"t":"2028-03-19T08:00:00Z","terrain":1.23},{"above_terrain":false,"airmass":null,"alt":-26.28,"az":72.5,"t":"2028-03-19T08:05:00Z","terrain":1.09},{"above_terrain":false,"airmass":null,"alt":-25.38,"az":73.5,"t":"2028-03-19T08:10:00Z","terrain":0.86},{"above_terrain":false,"airmass":null,"alt":-24.48,"az":74.5,"t":"2028-03-19T08:15:00Z","terrain":0.68},{"above_terrain":false,"airmass":null,"alt":-23.58,"az":75.4,"t":"2028-03-19T08:20:00Z","terrain":0.67},{"above_terrain":false,"airmass":null,"alt":-22.67,"az":76.3,"t":"2028-03-19T08:25:00Z","terrain":0.71},{"above_terrain":false,"airmass":null,"alt":-21.76,"az":77.3,"t":"2028-03-19T08:30:00Z","terrain":0.68},{"above_terrain":false,"airmass":null,"alt":-20.85,"az":78.2,"t":"2028-03-19T08:35:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-19.93,"az":79.1,"t":"2028-03-19T08:40:00Z","terrain":0.56},{"above_terrain":false,"airmass":null,"alt":-19.01,"az":80.0,"t":"2028-03-19T08:45:00Z","terrain":0.46},{"above_terrain":false,"airmass":null,"alt":-18.09,"az":80.8,"t":"2028-03-19T08:50:00Z","terrain":0.65},{"above_terrain":false,"airmass":null,"alt":-17.16,"az":81.7,"t":"2028-03-19T08:55:00Z","terrain":0.77},{"above_terrain":false,"airmass":null,"alt":-16.23,"az":82.6,"t":"2028-03-19T09:00:00Z","terrain":0.6},{"above_terrain":false,"airmass":null,"alt":-15.3,"az":83.5,"t":"2028-03-19T09:05:00Z","terrain":0.43},{"above_terrain":false,"airmass":null,"alt":-14.37,"az":84.3,"t":"2028-03-19T09:10:00Z","terrain":0.35},{"above_terrain":false,"airmass":null,"alt":-13.44,"az":85.2,"t":"2028-03-19T09:15:00Z","terrain":0.28},{"above_terrain":false,"airmass":null,"alt":-12.51,"az":86.0,"t":"2028-03-19T09:20:00Z","terrain":0.17},{"above_terrain":false,"airmass":null,"alt":-11.57,"az":86.9,"t":"2028-03-19T09:25:00Z","terrain":0.08},{"above_terrain":false,"airmass":null,"alt":-10.64,"az":87.7,"t":"2028-03-19T09:30:00Z","terrain":-0.03},{"above_terrain":false,"airmass":null,"alt":-9.7,"az":88.6,"t":"2028-03-19T09:35:00Z","terrain":-0.14},{"above_terrain":false,"airmass":null,"alt":-8.77,"az":89.4,"t":"2028-03-19T09:40:00Z","terrain":-0.21},{"above_terrain":false,"airmass":null,"alt":-7.83,"az":90.2,"t":"2028-03-19T09:45:00Z","terrain":-0.19},{"above_terrain":false,"airmass":null,"alt":-6.9,"az":91.1,"t":"2028-03-19T09:50:00Z","terrain":-0.08},{"above_terrain":false,"airmass":null,"alt":-5.96,"az":91.9,"t":"2028-03-19T09:55:00Z","terrain":0.08},{"above_terrain":false,"airmass":null,"alt":-5.03,"az":92.7,"t":"2028-03-19T10:00:00Z","terrain":0.27}],"transit":{"airmass":1.47,"alt":42.9,"az":179.7,"t":"2028-03-18T16:10:00Z"},"usable_hours":1.92,"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."]}