{"assessment":{"best_window":{"end":"2039-05-31T22:35Z","end_local":"01:35","hours":2.67,"label":"marginal","mean_quality":0.5,"start":"2039-05-31T19:55Z","start_local":"22:55"},"cost":{"altitude":3.37,"clouds":0.0,"darkness":1.53,"moon":0.9},"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":50,"cloud":null,"high":null,"iso":"2039-05-31T18:00Z","label":"unusable","low":null,"mid":null,"moon_alt":55,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"21:00","wind":null},{"alt":49,"cloud":null,"high":null,"iso":"2039-05-31T19:00Z","label":"poor","low":null,"mid":null,"moon_alt":49,"precip":null,"q":0.08,"rh":null,"sky":"nautical twilight","temp":null,"time":"22:00","wind":null},{"alt":44,"cloud":null,"high":null,"iso":"2039-05-31T20:00Z","label":"marginal","low":null,"mid":null,"moon_alt":40,"precip":null,"q":0.55,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":36,"cloud":null,"high":null,"iso":"2039-05-31T21:00Z","label":"marginal","low":null,"mid":null,"moon_alt":30,"precip":null,"q":0.54,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":26,"cloud":null,"high":null,"iso":"2039-05-31T22:00Z","label":"marginal","low":null,"mid":null,"moon_alt":19,"precip":null,"q":0.44,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":15,"cloud":null,"high":null,"iso":"2039-05-31T23:00Z","label":"unusable","low":null,"mid":null,"moon_alt":8,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":4,"cloud":null,"high":null,"iso":"2039-06-01T00:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-3,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":-7,"cloud":null,"high":null,"iso":"2039-06-01T01:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-13,"precip":null,"q":0.0,"rh":null,"sky":"astronomical twilight","temp":null,"time":"04:00","wind":null},{"alt":-18,"cloud":null,"high":null,"iso":"2039-06-01T02:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-23,"precip":null,"q":0.0,"rh":null,"sky":"nautical twilight","temp":null,"time":"05:00","wind":null}],"peak_quality":0.55,"peak_sky":0.55,"quality_hours":1.61,"reasons":["the target being low or below 20\u00b0 cost 3.4 quality-hours","daylight and twilight cost 1.5 quality-hours","moonlight cost 0.9 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":22,"score_weather":null,"sky_hours":1.61,"verdict":"unknown","verdict_astronomy":"poor","weather_known":false,"windows":[{"end":"2039-05-31T18:25Z","end_local":"21:25","hours":0.67,"label":"unusable","mean_quality":0.0,"start":"2039-05-31T17:45Z","start_local":"20:45"},{"end":"2039-05-31T19:55Z","end_local":"22:55","hours":1.5,"label":"poor","mean_quality":0.19,"start":"2039-05-31T18:25Z","start_local":"21:25"},{"end":"2039-05-31T22:35Z","end_local":"01:35","hours":2.67,"label":"marginal","mean_quality":0.5,"start":"2039-05-31T19:55Z","start_local":"22:55"},{"end":"2039-06-01T02:50Z","end_local":"05:50","hours":4.25,"label":"unusable","mean_quality":0.0,"start":"2039-05-31T22:35Z","start_local":"01:35"}]},"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":"2039-05-31T19:53:32Z","dark_hours":4.84,"dark_to":"2039-06-01T00:43:50Z","moon":{"illumination":0.588,"phase":"waxing gibbous","waxing":true},"moon_free_dark_hours":0.97,"moonrise":"2039-05-31T10:20:11Z","moonset":"2039-05-31T23:44:20Z","sunrise":"2039-06-01T02:49:11Z","sunset":"2039-05-31T17:48:11Z","twilight":{"astronomical":{"end":"2039-05-31T19:53:32Z","start":"2039-06-01T00:43:50Z"},"civil":{"end":"2039-05-31T18:21:30Z","start":"2039-06-01T02:15:51Z"},"nautical":{"end":"2039-05-31T19:03:53Z","start":"2039-06-01T01:33:29Z"}},"window_end":"2039-06-01T09:00:00Z","window_start":"2039-05-31T09:00:00Z"},"night_date":"2039-05-31","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.43,"alt":44.3,"t":"2039-05-31T19:55:00Z"},"dec":2.05238823,"dec_of_date":1.8349,"dec_str":"+02\u00b0 03' 08.6\"","good_hours":1.75,"limit_rise":"2039-05-31T13:58:14Z","limit_set":"2039-05-31T22:33:12Z","max_az_rate_deg_per_min":0.0,"moon_separation":15.3,"never_rises":false,"ra":187.27791594,"ra_of_date":187.7819,"ra_str":"12h 29m 06.7s","resolved":{"dec":2.05238823,"morphology":"E3","name":"3C 273","ra":187.27791594,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=3C%20273","source":"sesame","type":"BLL","type_text":"BL Lac object \u2014 a blazar","vmag":14.83},"summary":"Only 1.7 h above 30\u00b0, 2.7 h above 20\u00b0 \u2014 usable, at high airmass. The Moon is 15\u00b0 away at 59% \u2014 faint targets will suffer.","terrain":{"available":true,"behind_at":"2039-06-01T00:19:07Z","blocked_dark_hours":0,"clears_at":"2039-05-31T12:10:09Z","rise_az":88.3},"track":[{"above_terrain":false,"airmass":null,"alt":-33.0,"az":51.0,"t":"2039-05-31T09:00:00Z","terrain":0.53},{"above_terrain":false,"airmass":null,"alt":-32.27,"az":52.2,"t":"2039-05-31T09:05:00Z","terrain":0.67},{"above_terrain":false,"airmass":null,"alt":-31.52,"az":53.4,"t":"2039-05-31T09:10:00Z","terrain":0.9},{"above_terrain":false,"airmass":null,"alt":-30.76,"az":54.5,"t":"2039-05-31T09:15:00Z","terrain":1.04},{"above_terrain":false,"airmass":null,"alt":-30.0,"az":55.7,"t":"2039-05-31T09:20:00Z","terrain":1.06},{"above_terrain":false,"airmass":null,"alt":-29.22,"az":56.8,"t":"2039-05-31T09:25:00Z","terrain":1.07},{"above_terrain":false,"airmass":null,"alt":-28.43,"az":57.9,"t":"2039-05-31T09:30:00Z","terrain":1.24},{"above_terrain":false,"airmass":null,"alt":-27.63,"az":59.0,"t":"2039-05-31T09:35:00Z","terrain":1.21},{"above_terrain":false,"airmass":null,"alt":-26.82,"az":60.1,"t":"2039-05-31T09:40:00Z","terrain":1.16},{"above_terrain":false,"airmass":null,"alt":-26.01,"az":61.2,"t":"2039-05-31T09:45:00Z","terrain":1.08},{"above_terrain":false,"airmass":null,"alt":-25.18,"az":62.2,"t":"2039-05-31T09:50:00Z","terrain":0.99},{"above_terrain":false,"airmass":null,"alt":-24.35,"az":63.2,"t":"2039-05-31T09:55:00Z","terrain":0.88},{"above_terrain":false,"airmass":null,"alt":-23.51,"az":64.3,"t":"2039-05-31T10:00:00Z","terrain":0.77},{"above_terrain":false,"airmass":null,"alt":-22.67,"az":65.3,"t":"2039-05-31T10:05:00Z","terrain":0.79},{"above_terrain":false,"airmass":null,"alt":-21.81,"az":66.3,"t":"2039-05-31T10:10:00Z","terrain":0.86},{"above_terrain":false,"airmass":null,"alt":-20.95,"az":67.2,"t":"2039-05-31T10:15:00Z","terrain":0.94},{"above_terrain":false,"airmass":null,"alt":-20.09,"az":68.2,"t":"2039-05-31T10:20:00Z","terrain":1.0},{"above_terrain":false,"airmass":null,"alt":-19.22,"az":69.2,"t":"2039-05-31T10:25:00Z","terrain":1.08},{"above_terrain":false,"airmass":null,"alt":-18.34,"az":70.1,"t":"2039-05-31T10:30:00Z","terrain":1.22},{"above_terrain":false,"airmass":null,"alt":-17.46,"az":71.0,"t":"2039-05-31T10:35:00Z","terrain":1.26},{"above_terrain":false,"airmass":null,"alt":-16.57,"az":72.0,"t":"2039-05-31T10:40:00Z","terrain":1.2},{"above_terrain":false,"airmass":null,"alt":-15.68,"az":72.9,"t":"2039-05-31T10:45:00Z","terrain":1.02},{"above_terrain":false,"airmass":null,"alt":-14.78,"az":73.8,"t":"2039-05-31T10:50:00Z","terrain":0.79},{"above_terrain":false,"airmass":null,"alt":-13.88,"az":74.7,"t":"2039-05-31T10:55:00Z","terrain":0.66},{"above_terrain":false,"airmass":null,"alt":-12.97,"az":75.6,"t":"2039-05-31T11:00:00Z","terrain":0.68},{"above_terrain":false,"airmass":null,"alt":-12.07,"az":76.5,"t":"2039-05-31T11:05:00Z","terrain":0.71},{"above_terrain":false,"airmass":null,"alt":-11.15,"az":77.3,"t":"2039-05-31T11:10:00Z","terrain":0.68},{"above_terrain":false,"airmass":null,"alt":-10.24,"az":78.2,"t":"2039-05-31T11:15:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-9.32,"az":79.1,"t":"2039-05-31T11:20:00Z","terrain":0.56},{"above_terrain":false,"airmass":null,"alt":-8.4,"az":79.9,"t":"2039-05-31T11:25:00Z","terrain":0.47},{"above_terrain":false,"airmass":null,"alt":-7.48,"az":80.8,"t":"2039-05-31T11:30:00Z","terrain":0.63},{"above_terrain":false,"airmass":null,"alt":-6.55,"az":81.6,"t":"2039-05-31T11:35:00Z","terrain":0.76},{"above_terrain":false,"airmass":null,"alt":-5.63,"az":82.5,"t":"2039-05-31T11:40:00Z","terrain":0.64},{"above_terrain":false,"airmass":null,"alt":-4.7,"az":83.3,"t":"2039-05-31T11:45:00Z","terrain":0.44},{"above_terrain":false,"airmass":null,"alt":-3.77,"az":84.2,"t":"2039-05-31T11:50:00Z","terrain":0.37},{"above_terrain":false,"airmass":null,"alt":-2.84,"az":85.0,"t":"2039-05-31T11:55:00Z","terrain":0.3},{"above_terrain":false,"airmass":null,"alt":-1.9,"az":85.8,"t":"2039-05-31T12:00:00Z","terrain":0.19},{"above_terrain":false,"airmass":null,"alt":-0.97,"az":86.7,"t":"2039-05-31T12:05:00Z","terrain":0.1},{"above_terrain":false,"airmass":null,"alt":-0.03,"az":87.5,"t":"2039-05-31T12:10:00Z","terrain":-0.0},{"above_terrain":true,"airmass":27.21,"alt":0.9,"az":88.3,"t":"2039-05-31T12:15:00Z","terrain":-0.11},{"above_terrain":true,"airmass":20.34,"alt":1.84,"az":89.2,"t":"2039-05-31T12:20:00Z","terrain":-0.2},{"above_terrain":true,"airmass":15.97,"alt":2.77,"az":90.0,"t":"2039-05-31T12:25:00Z","terrain":-0.22},{"above_terrain":true,"airmass":13.03,"alt":3.71,"az":90.8,"t":"2039-05-31T12:30:00Z","terrain":-0.11},{"above_terrain":true,"airmass":10.94,"alt":4.64,"az":91.7,"t":"2039-05-31T12:35:00Z","terrain":0.04},{"above_terrain":true,"airmass":9.41,"alt":5.58,"az":92.5,"t":"2039-05-31T12:40:00Z","terrain":0.22},{"above_terrain":true,"airmass":8.23,"alt":6.51,"az":93.4,"t":"2039-05-31T12:45:00Z","terrain":0.36},{"above_terrain":true,"airmass":7.31,"alt":7.45,"az":94.2,"t":"2039-05-31T12:50:00Z","terrain":0.4},{"above_terrain":true,"airmass":6.57,"alt":8.38,"az":95.0,"t":"2039-05-31T12:55:00Z","terrain":0.39},{"above_terrain":true,"airmass":5.97,"alt":9.31,"az":95.9,"t":"2039-05-31T13:00:00Z","terrain":0.53},{"above_terrain":true,"airmass":5.46,"alt":10.24,"az":96.7,"t":"2039-05-31T13:05:00Z","terrain":0.68},{"above_terrain":true,"airmass":5.04,"alt":11.17,"az":97.6,"t":"2039-05-31T13:10:00Z","terrain":0.7},{"above_terrain":true,"airmass":4.67,"alt":12.1,"az":98.5,"t":"2039-05-31T13:15:00Z","terrain":0.59},{"above_terrain":true,"airmass":4.36,"alt":13.02,"az":99.3,"t":"2039-05-31T13:20:00Z","terrain":0.41},{"above_terrain":true,"airmass":4.09,"alt":13.95,"az":100.2,"t":"2039-05-31T13:25:00Z","terrain":0.23},{"above_terrain":true,"airmass":3.85,"alt":14.87,"az":101.1,"t":"2039-05-31T13:30:00Z","terrain":0.07},{"above_terrain":true,"airmass":3.63,"alt":15.78,"az":102.0,"t":"2039-05-31T13:35:00Z","terrain":-0.03},{"above_terrain":true,"airmass":3.44,"alt":16.7,"az":102.9,"t":"2039-05-31T13:40:00Z","terrain":-0.19},{"above_terrain":true,"airmass":3.28,"alt":17.61,"az":103.8,"t":"2039-05-31T13:45:00Z","terrain":-0.05},{"above_terrain":true,"airmass":3.12,"alt":18.51,"az":104.7,"t":"2039-05-31T13:50:00Z","terrain":-0.14},{"above_terrain":true,"airmass":2.99,"alt":19.42,"az":105.6,"t":"2039-05-31T13:55:00Z","terrain":-0.46},{"above_terrain":true,"airmass":2.86,"alt":20.32,"az":106.5,"t":"2039-05-31T14:00:00Z","terrain":-0.62},{"above_terrain":true,"airmass":2.75,"alt":21.21,"az":107.4,"t":"2039-05-31T14:05:00Z","terrain":-0.75},{"above_terrain":true,"airmass":2.64,"alt":22.1,"az":108.4,"t":"2039-05-31T14:10:00Z","terrain":-1.03},{"above_terrain":true,"airmass":2.55,"alt":22.99,"az":109.3,"t":"2039-05-31T14:15:00Z","terrain":-1.18},{"above_terrain":true,"airmass":2.46,"alt":23.87,"az":110.3,"t":"2039-05-31T14:20:00Z","terrain":-1.21},{"above_terrain":true,"airmass":2.38,"alt":24.74,"az":111.3,"t":"2039-05-31T14:25:00Z","terrain":-1.35},{"above_terrain":true,"airmass":2.3,"alt":25.61,"az":112.3,"t":"2039-05-31T14:30:00Z","terrain":-1.4},{"above_terrain":true,"airmass":2.23,"alt":26.48,"az":113.3,"t":"2039-05-31T14:35:00Z","terrain":-1.5},{"above_terrain":true,"airmass":2.17,"alt":27.33,"az":114.3,"t":"2039-05-31T14:40:00Z","terrain":-1.58},{"above_terrain":true,"airmass":2.11,"alt":28.18,"az":115.4,"t":"2039-05-31T14:45:00Z","terrain":-1.49},{"above_terrain":true,"airmass":2.05,"alt":29.02,"az":116.4,"t":"2039-05-31T14:50:00Z","terrain":-1.54},{"above_terrain":true,"airmass":2.0,"alt":29.86,"az":117.5,"t":"2039-05-31T14:55:00Z","terrain":-1.52},{"above_terrain":true,"airmass":1.95,"alt":30.68,"az":118.6,"t":"2039-05-31T15:00:00Z","terrain":-1.46},{"above_terrain":true,"airmass":1.91,"alt":31.5,"az":119.7,"t":"2039-05-31T15:05:00Z","terrain":-1.31},{"above_terrain":true,"airmass":1.87,"alt":32.31,"az":120.8,"t":"2039-05-31T15:10:00Z","terrain":-1.25},{"above_terrain":true,"airmass":1.83,"alt":33.11,"az":122.0,"t":"2039-05-31T15:15:00Z","terrain":-1.19},{"above_terrain":true,"airmass":1.79,"alt":33.9,"az":123.1,"t":"2039-05-31T15:20:00Z","terrain":-1.4},{"above_terrain":true,"airmass":1.75,"alt":34.68,"az":124.3,"t":"2039-05-31T15:25:00Z","terrain":-1.53},{"above_terrain":true,"airmass":1.72,"alt":35.44,"az":125.5,"t":"2039-05-31T15:30:00Z","terrain":-1.62},{"above_terrain":true,"airmass":1.69,"alt":36.2,"az":126.8,"t":"2039-05-31T15:35:00Z","terrain":-1.55},{"above_terrain":true,"airmass":1.66,"alt":36.94,"az":128.0,"t":"2039-05-31T15:40:00Z","terrain":-1.4},{"above_terrain":true,"airmass":1.63,"alt":37.67,"az":129.3,"t":"2039-05-31T15:45:00Z","terrain":-1.27},{"above_terrain":true,"airmass":1.61,"alt":38.39,"az":130.6,"t":"2039-05-31T15:50:00Z","terrain":-1.64},{"above_terrain":true,"airmass":1.58,"alt":39.09,"az":131.9,"t":"2039-05-31T15:55:00Z","terrain":-1.64},{"above_terrain":true,"airmass":1.56,"alt":39.78,"az":133.3,"t":"2039-05-31T16:00:00Z","terrain":-1.62},{"above_terrain":true,"airmass":1.54,"alt":40.45,"az":134.7,"t":"2039-05-31T16:05:00Z","terrain":-1.38},{"above_terrain":true,"airmass":1.52,"alt":41.11,"az":136.1,"t":"2039-05-31T16:10:00Z","terrain":-1.19},{"above_terrain":true,"airmass":1.5,"alt":41.75,"az":137.5,"t":"2039-05-31T16:15:00Z","terrain":-1.18},{"above_terrain":true,"airmass":1.48,"alt":42.38,"az":139.0,"t":"2039-05-31T16:20:00Z","terrain":-1.33},{"above_terrain":true,"airmass":1.46,"alt":42.98,"az":140.5,"t":"2039-05-31T16:25:00Z","terrain":-1.22},{"above_terrain":true,"airmass":1.45,"alt":43.57,"az":142.0,"t":"2039-05-31T16:30:00Z","terrain":-1.32},{"above_terrain":true,"airmass":1.43,"alt":44.13,"az":143.6,"t":"2039-05-31T16:35:00Z","terrain":-1.35},{"above_terrain":true,"airmass":1.42,"alt":44.68,"az":145.1,"t":"2039-05-31T16:40:00Z","terrain":-1.49},{"above_terrain":true,"airmass":1.41,"alt":45.2,"az":146.7,"t":"2039-05-31T16:45:00Z","terrain":-1.35},{"above_terrain":true,"airmass":1.4,"alt":45.7,"az":148.4,"t":"2039-05-31T16:50:00Z","terrain":-1.44},{"above_terrain":true,"airmass":1.38,"alt":46.18,"az":150.0,"t":"2039-05-31T16:55:00Z","terrain":-1.18},{"above_terrain":true,"airmass":1.37,"alt":46.64,"az":151.7,"t":"2039-05-31T17:00:00Z","terrain":-1.25},{"above_terrain":true,"airmass":1.36,"alt":47.07,"az":153.5,"t":"2039-05-31T17:05:00Z","terrain":-0.97},{"above_terrain":true,"airmass":1.36,"alt":47.48,"az":155.2,"t":"2039-05-31T17:10:00Z","terrain":-1.11},{"above_terrain":true,"airmass":1.35,"alt":47.85,"az":157.0,"t":"2039-05-31T17:15:00Z","terrain":-1.09},{"above_terrain":true,"airmass":1.34,"alt":48.21,"az":158.8,"t":"2039-05-31T17:20:00Z","terrain":-1.27},{"above_terrain":true,"airmass":1.33,"alt":48.53,"az":160.6,"t":"2039-05-31T17:25:00Z","terrain":-1.06},{"above_terrain":true,"airmass":1.33,"alt":48.83,"az":162.4,"t":"2039-05-31T17:30:00Z","terrain":-1.37},{"above_terrain":true,"airmass":1.32,"alt":49.1,"az":164.3,"t":"2039-05-31T17:35:00Z","terrain":-1.49},{"above_terrain":true,"airmass":1.32,"alt":49.34,"az":166.2,"t":"2039-05-31T17:40:00Z","terrain":-1.23},{"above_terrain":true,"airmass":1.31,"alt":49.54,"az":168.1,"t":"2039-05-31T17:45:00Z","terrain":-0.94},{"above_terrain":true,"airmass":1.31,"alt":49.72,"az":170.0,"t":"2039-05-31T17:50:00Z","terrain":-0.59},{"above_terrain":true,"airmass":1.31,"alt":49.87,"az":171.9,"t":"2039-05-31T17:55:00Z","terrain":-0.59},{"above_terrain":true,"airmass":1.3,"alt":49.98,"az":173.9,"t":"2039-05-31T18:00:00Z","terrain":-0.4},{"above_terrain":true,"airmass":1.3,"alt":50.07,"az":175.8,"t":"2039-05-31T18:05:00Z","terrain":-0.42},{"above_terrain":true,"airmass":1.3,"alt":50.12,"az":177.8,"t":"2039-05-31T18:10:00Z","terrain":-0.39},{"above_terrain":true,"airmass":1.3,"alt":50.14,"az":179.7,"t":"2039-05-31T18:15:00Z","terrain":-0.52},{"above_terrain":true,"airmass":1.3,"alt":50.13,"az":181.7,"t":"2039-05-31T18:20:00Z","terrain":-0.65},{"above_terrain":true,"airmass":1.3,"alt":50.09,"az":183.6,"t":"2039-05-31T18:25:00Z","terrain":-0.6},{"above_terrain":true,"airmass":1.3,"alt":50.01,"az":185.6,"t":"2039-05-31T18:30:00Z","terrain":-0.67},{"above_terrain":true,"airmass":1.31,"alt":49.91,"az":187.5,"t":"2039-05-31T18:35:00Z","terrain":-0.64},{"above_terrain":true,"airmass":1.31,"alt":49.77,"az":189.4,"t":"2039-05-31T18:40:00Z","terrain":-0.58},{"above_terrain":true,"airmass":1.31,"alt":49.6,"az":191.4,"t":"2039-05-31T18:45:00Z","terrain":-0.44},{"above_terrain":true,"airmass":1.32,"alt":49.4,"az":193.3,"t":"2039-05-31T18:50:00Z","terrain":-0.46},{"above_terrain":true,"airmass":1.32,"alt":49.17,"az":195.2,"t":"2039-05-31T18:55:00Z","terrain":-0.46},{"above_terrain":true,"airmass":1.33,"alt":48.91,"az":197.0,"t":"2039-05-31T19:00:00Z","terrain":-0.43},{"above_terrain":true,"airmass":1.33,"alt":48.62,"az":198.9,"t":"2039-05-31T19:05:00Z","terrain":-0.34},{"above_terrain":true,"airmass":1.34,"alt":48.3,"az":200.7,"t":"2039-05-31T19:10:00Z","terrain":-0.44},{"above_terrain":true,"airmass":1.35,"alt":47.96,"az":202.5,"t":"2039-05-31T19:15:00Z","terrain":-0.57},{"above_terrain":true,"airmass":1.35,"alt":47.59,"az":204.3,"t":"2039-05-31T19:20:00Z","terrain":-0.45},{"above_terrain":true,"airmass":1.36,"alt":47.19,"az":206.0,"t":"2039-05-31T19:25:00Z","terrain":0.09},{"above_terrain":true,"airmass":1.37,"alt":46.77,"az":207.8,"t":"2039-05-31T19:30:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.38,"alt":46.32,"az":209.5,"t":"2039-05-31T19:35:00Z","terrain":0.47},{"above_terrain":true,"airmass":1.39,"alt":45.85,"az":211.1,"t":"2039-05-31T19:40:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.4,"alt":45.35,"az":212.8,"t":"2039-05-31T19:45:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.42,"alt":44.83,"az":214.4,"t":"2039-05-31T19:50:00Z","terrain":0.65},{"above_terrain":true,"airmass":1.43,"alt":44.29,"az":216.0,"t":"2039-05-31T19:55:00Z","terrain":0.66},{"above_terrain":true,"airmass":1.44,"alt":43.73,"az":217.5,"t":"2039-05-31T20:00:00Z","terrain":1.15},{"above_terrain":true,"airmass":1.46,"alt":43.15,"az":219.1,"t":"2039-05-31T20:05:00Z","terrain":1.26},{"above_terrain":true,"airmass":1.48,"alt":42.55,"az":220.6,"t":"2039-05-31T20:10:00Z","terrain":1.16},{"above_terrain":true,"airmass":1.49,"alt":41.94,"az":222.0,"t":"2039-05-31T20:15:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.51,"alt":41.3,"az":223.5,"t":"2039-05-31T20:20:00Z","terrain":0.52},{"above_terrain":true,"airmass":1.53,"alt":40.65,"az":224.9,"t":"2039-05-31T20:25:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.55,"alt":39.98,"az":226.3,"t":"2039-05-31T20:30:00Z","terrain":0.72},{"above_terrain":true,"airmass":1.58,"alt":39.29,"az":227.7,"t":"2039-05-31T20:35:00Z","terrain":1.08},{"above_terrain":true,"airmass":1.6,"alt":38.59,"az":229.0,"t":"2039-05-31T20:40:00Z","terrain":1.31},{"above_terrain":true,"airmass":1.63,"alt":37.88,"az":230.3,"t":"2039-05-31T20:45:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.65,"alt":37.15,"az":231.6,"t":"2039-05-31T20:50:00Z","terrain":0.89},{"above_terrain":true,"airmass":1.68,"alt":36.41,"az":232.9,"t":"2039-05-31T20:55:00Z","terrain":0.82},{"above_terrain":true,"airmass":1.71,"alt":35.66,"az":234.1,"t":"2039-05-31T21:00:00Z","terrain":0.83},{"above_terrain":true,"airmass":1.74,"alt":34.9,"az":235.3,"t":"2039-05-31T21:05:00Z","terrain":0.92},{"above_terrain":true,"airmass":1.78,"alt":34.12,"az":236.5,"t":"2039-05-31T21:10:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.82,"alt":33.34,"az":237.7,"t":"2039-05-31T21:15:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.85,"alt":32.54,"az":238.8,"t":"2039-05-31T21:20:00Z","terrain":0.55},{"above_terrain":true,"airmass":1.9,"alt":31.74,"az":240.0,"t":"2039-05-31T21:25:00Z","terrain":0.8},{"above_terrain":true,"airmass":1.94,"alt":30.92,"az":241.1,"t":"2039-05-31T21:30:00Z","terrain":0.76},{"above_terrain":true,"airmass":1.99,"alt":30.1,"az":242.2,"t":"2039-05-31T21:35:00Z","terrain":1.03},{"above_terrain":true,"airmass":2.04,"alt":29.27,"az":243.3,"t":"2039-05-31T21:40:00Z","terrain":0.99},{"above_terrain":true,"airmass":2.09,"alt":28.43,"az":244.3,"t":"2039-05-31T21:45:00Z","terrain":0.96},{"above_terrain":true,"airmass":2.15,"alt":27.58,"az":245.4,"t":"2039-05-31T21:50:00Z","terrain":1.06},{"above_terrain":true,"airmass":2.22,"alt":26.73,"az":246.4,"t":"2039-05-31T21:55:00Z","terrain":1.12},{"above_terrain":true,"airmass":2.28,"alt":25.86,"az":247.4,"t":"2039-05-31T22:00:00Z","terrain":0.84},{"above_terrain":true,"airmass":2.36,"alt":25.0,"az":248.4,"t":"2039-05-31T22:05:00Z","terrain":0.54},{"above_terrain":true,"airmass":2.44,"alt":24.12,"az":249.4,"t":"2039-05-31T22:10:00Z","terrain":0.53},{"above_terrain":true,"airmass":2.52,"alt":23.24,"az":250.4,"t":"2039-05-31T22:15:00Z","terrain":0.58},{"above_terrain":true,"airmass":2.61,"alt":22.36,"az":251.3,"t":"2039-05-31T22:20:00Z","terrain":0.44},{"above_terrain":true,"airmass":2.72,"alt":21.47,"az":252.3,"t":"2039-05-31T22:25:00Z","terrain":0.2},{"above_terrain":true,"airmass":2.83,"alt":20.58,"az":253.2,"t":"2039-05-31T22:30:00Z","terrain":0.17},{"above_terrain":true,"airmass":2.95,"alt":19.68,"az":254.2,"t":"2039-05-31T22:35:00Z","terrain":0.18},{"above_terrain":true,"airmass":3.08,"alt":18.78,"az":255.1,"t":"2039-05-31T22:40:00Z","terrain":0.25},{"above_terrain":true,"airmass":3.23,"alt":17.87,"az":256.0,"t":"2039-05-31T22:45:00Z","terrain":0.39},{"above_terrain":true,"airmass":3.39,"alt":16.96,"az":256.9,"t":"2039-05-31T22:50:00Z","terrain":0.43},{"above_terrain":true,"airmass":3.58,"alt":16.05,"az":257.8,"t":"2039-05-31T22:55:00Z","terrain":0.38},{"above_terrain":true,"airmass":3.78,"alt":15.13,"az":258.7,"t":"2039-05-31T23:00:00Z","terrain":0.44},{"above_terrain":true,"airmass":4.01,"alt":14.21,"az":259.6,"t":"2039-05-31T23:05:00Z","terrain":0.52},{"above_terrain":true,"airmass":4.28,"alt":13.29,"az":260.4,"t":"2039-05-31T23:10:00Z","terrain":0.68},{"above_terrain":true,"airmass":4.58,"alt":12.37,"az":261.3,"t":"2039-05-31T23:15:00Z","terrain":0.88},{"above_terrain":true,"airmass":4.93,"alt":11.44,"az":262.2,"t":"2039-05-31T23:20:00Z","terrain":0.95},{"above_terrain":true,"airmass":5.33,"alt":10.51,"az":263.0,"t":"2039-05-31T23:25:00Z","terrain":0.81},{"above_terrain":true,"airmass":5.81,"alt":9.58,"az":263.9,"t":"2039-05-31T23:30:00Z","terrain":0.56},{"above_terrain":true,"airmass":6.39,"alt":8.65,"az":264.7,"t":"2039-05-31T23:35:00Z","terrain":0.43},{"above_terrain":true,"airmass":7.08,"alt":7.72,"az":265.6,"t":"2039-05-31T23:40:00Z","terrain":0.43},{"above_terrain":true,"airmass":7.94,"alt":6.78,"az":266.4,"t":"2039-05-31T23:45:00Z","terrain":0.51},{"above_terrain":true,"airmass":9.03,"alt":5.85,"az":267.2,"t":"2039-05-31T23:50:00Z","terrain":0.59},{"above_terrain":true,"airmass":10.45,"alt":4.92,"az":268.1,"t":"2039-05-31T23:55:00Z","terrain":0.66},{"above_terrain":true,"airmass":12.35,"alt":3.98,"az":268.9,"t":"2039-06-01T00:00:00Z","terrain":0.74},{"above_terrain":true,"airmass":15.0,"alt":3.04,"az":269.7,"t":"2039-06-01T00:05:00Z","terrain":0.86},{"above_terrain":true,"airmass":18.87,"alt":2.11,"az":270.6,"t":"2039-06-01T00:10:00Z","terrain":0.83},{"above_terrain":true,"airmass":24.86,"alt":1.17,"az":271.4,"t":"2039-06-01T00:15:00Z","terrain":0.63},{"above_terrain":false,"airmass":34.6,"alt":0.24,"az":272.2,"t":"2039-06-01T00:20:00Z","terrain":0.35},{"above_terrain":false,"airmass":null,"alt":-0.7,"az":273.1,"t":"2039-06-01T00:25:00Z","terrain":0.13},{"above_terrain":false,"airmass":null,"alt":-1.63,"az":273.9,"t":"2039-06-01T00:30:00Z","terrain":-0.02},{"above_terrain":false,"airmass":null,"alt":-2.57,"az":274.8,"t":"2039-06-01T00:35:00Z","terrain":0.06},{"above_terrain":false,"airmass":null,"alt":-3.5,"az":275.6,"t":"2039-06-01T00:40:00Z","terrain":0.03},{"above_terrain":false,"airmass":null,"alt":-4.43,"az":276.4,"t":"2039-06-01T00:45:00Z","terrain":-0.07},{"above_terrain":false,"airmass":null,"alt":-5.36,"az":277.3,"t":"2039-06-01T00:50:00Z","terrain":-0.12},{"above_terrain":false,"airmass":null,"alt":-6.29,"az":278.1,"t":"2039-06-01T00:55:00Z","terrain":-0.07},{"above_terrain":false,"airmass":null,"alt":-7.21,"az":279.0,"t":"2039-06-01T01:00:00Z","terrain":-0.02},{"above_terrain":false,"airmass":null,"alt":-8.13,"az":279.8,"t":"2039-06-01T01:05:00Z","terrain":-0.11},{"above_terrain":false,"airmass":null,"alt":-9.06,"az":280.7,"t":"2039-06-01T01:10:00Z","terrain":-0.02},{"above_terrain":false,"airmass":null,"alt":-9.97,"az":281.5,"t":"2039-06-01T01:15:00Z","terrain":-0.06},{"above_terrain":false,"airmass":null,"alt":-10.89,"az":282.4,"t":"2039-06-01T01:20:00Z","terrain":-0.08},{"above_terrain":false,"airmass":null,"alt":-11.8,"az":283.3,"t":"2039-06-01T01:25:00Z","terrain":0.03},{"above_terrain":false,"airmass":null,"alt":-12.71,"az":284.2,"t":"2039-06-01T01:30:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-13.62,"az":285.1,"t":"2039-06-01T01:35:00Z","terrain":0.23},{"above_terrain":false,"airmass":null,"alt":-14.52,"az":286.0,"t":"2039-06-01T01:40:00Z","terrain":0.22},{"above_terrain":false,"airmass":null,"alt":-15.42,"az":286.9,"t":"2039-06-01T01:45:00Z","terrain":0.35},{"above_terrain":false,"airmass":null,"alt":-16.31,"az":287.8,"t":"2039-06-01T01:50:00Z","terrain":0.21},{"above_terrain":false,"airmass":null,"alt":-17.2,"az":288.7,"t":"2039-06-01T01:55:00Z","terrain":0.18},{"above_terrain":false,"airmass":null,"alt":-18.08,"az":289.6,"t":"2039-06-01T02:00:00Z","terrain":0.25},{"above_terrain":false,"airmass":null,"alt":-18.96,"az":290.6,"t":"2039-06-01T02:05:00Z","terrain":0.4},{"above_terrain":false,"airmass":null,"alt":-19.84,"az":291.5,"t":"2039-06-01T02:10:00Z","terrain":0.52},{"above_terrain":false,"airmass":null,"alt":-20.7,"az":292.5,"t":"2039-06-01T02:15:00Z","terrain":0.42},{"above_terrain":false,"airmass":null,"alt":-21.56,"az":293.5,"t":"2039-06-01T02:20:00Z","terrain":0.27},{"above_terrain":false,"airmass":null,"alt":-22.42,"az":294.4,"t":"2039-06-01T02:25:00Z","terrain":0.24},{"above_terrain":false,"airmass":null,"alt":-23.27,"az":295.4,"t":"2039-06-01T02:30:00Z","terrain":0.27},{"above_terrain":false,"airmass":null,"alt":-24.11,"az":296.5,"t":"2039-06-01T02:35:00Z","terrain":0.3},{"above_terrain":false,"airmass":null,"alt":-24.94,"az":297.5,"t":"2039-06-01T02:40:00Z","terrain":0.19},{"above_terrain":false,"airmass":null,"alt":-25.77,"az":298.5,"t":"2039-06-01T02:45:00Z","terrain":0.15},{"above_terrain":false,"airmass":null,"alt":-26.59,"az":299.6,"t":"2039-06-01T02:50:00Z","terrain":0.29},{"above_terrain":false,"airmass":null,"alt":-27.4,"az":300.7,"t":"2039-06-01T02:55:00Z","terrain":0.34},{"above_terrain":false,"airmass":null,"alt":-28.2,"az":301.8,"t":"2039-06-01T03:00:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-28.99,"az":302.9,"t":"2039-06-01T03:05:00Z","terrain":-0.19},{"above_terrain":false,"airmass":null,"alt":-29.77,"az":304.0,"t":"2039-06-01T03:10:00Z","terrain":-0.1},{"above_terrain":false,"airmass":null,"alt":-30.54,"az":305.1,"t":"2039-06-01T03:15:00Z","terrain":-0.28},{"above_terrain":false,"airmass":null,"alt":-31.3,"az":306.3,"t":"2039-06-01T03:20:00Z","terrain":-0.07},{"above_terrain":false,"airmass":null,"alt":-32.05,"az":307.5,"t":"2039-06-01T03:25:00Z","terrain":0.25},{"above_terrain":false,"airmass":null,"alt":-32.79,"az":308.7,"t":"2039-06-01T03:30:00Z","terrain":0.22},{"above_terrain":false,"airmass":null,"alt":-33.51,"az":309.9,"t":"2039-06-01T03:35:00Z","terrain":0.21},{"above_terrain":false,"airmass":null,"alt":-34.22,"az":311.1,"t":"2039-06-01T03:40:00Z","terrain":0.33},{"above_terrain":false,"airmass":null,"alt":-34.92,"az":312.4,"t":"2039-06-01T03:45:00Z","terrain":0.19},{"above_terrain":false,"airmass":null,"alt":-35.61,"az":313.7,"t":"2039-06-01T03:50:00Z","terrain":0.41},{"above_terrain":false,"airmass":null,"alt":-36.28,"az":315.0,"t":"2039-06-01T03:55:00Z","terrain":0.56},{"above_terrain":false,"airmass":null,"alt":-36.93,"az":316.3,"t":"2039-06-01T04:00:00Z","terrain":0.42},{"above_terrain":false,"airmass":null,"alt":-37.57,"az":317.7,"t":"2039-06-01T04:05:00Z","terrain":0.32},{"above_terrain":false,"airmass":null,"alt":-38.19,"az":319.0,"t":"2039-06-01T04:10:00Z","terrain":-0.14},{"above_terrain":false,"airmass":null,"alt":-38.79,"az":320.4,"t":"2039-06-01T04:15:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-39.38,"az":321.9,"t":"2039-06-01T04:20:00Z","terrain":0.16},{"above_terrain":false,"airmass":null,"alt":-39.95,"az":323.3,"t":"2039-06-01T04:25:00Z","terrain":-0.01},{"above_terrain":false,"airmass":null,"alt":-40.5,"az":324.8,"t":"2039-06-01T04:30:00Z","terrain":-0.19},{"above_terrain":false,"airmass":null,"alt":-41.03,"az":326.3,"t":"2039-06-01T04:35:00Z","terrain":-0.28},{"above_terrain":false,"airmass":null,"alt":-41.54,"az":327.8,"t":"2039-06-01T04:40:00Z","terrain":-0.26},{"above_terrain":false,"airmass":null,"alt":-42.03,"az":329.4,"t":"2039-06-01T04:45:00Z","terrain":-0.21},{"above_terrain":false,"airmass":null,"alt":-42.49,"az":330.9,"t":"2039-06-01T04:50:00Z","terrain":-0.39},{"above_terrain":false,"airmass":null,"alt":-42.93,"az":332.5,"t":"2039-06-01T04:55:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-43.35,"az":334.2,"t":"2039-06-01T05:00:00Z","terrain":-0.29},{"above_terrain":false,"airmass":null,"alt":-43.75,"az":335.8,"t":"2039-06-01T05:05:00Z","terrain":-0.78},{"above_terrain":false,"airmass":null,"alt":-44.12,"az":337.5,"t":"2039-06-01T05:10:00Z","terrain":-0.61},{"above_terrain":false,"airmass":null,"alt":-44.47,"az":339.1,"t":"2039-06-01T05:15:00Z","terrain":-0.72},{"above_terrain":false,"airmass":null,"alt":-44.79,"az":340.8,"t":"2039-06-01T05:20:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-45.08,"az":342.6,"t":"2039-06-01T05:25:00Z","terrain":-0.43},{"above_terrain":false,"airmass":null,"alt":-45.35,"az":344.3,"t":"2039-06-01T05:30:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-45.59,"az":346.1,"t":"2039-06-01T05:35:00Z","terrain":-0.54},{"above_terrain":false,"airmass":null,"alt":-45.8,"az":347.8,"t":"2039-06-01T05:40:00Z","terrain":-0.19},{"above_terrain":false,"airmass":null,"alt":-45.98,"az":349.6,"t":"2039-06-01T05:45:00Z","terrain":0.08},{"above_terrain":false,"airmass":null,"alt":-46.14,"az":351.4,"t":"2039-06-01T05:50:00Z","terrain":0.19},{"above_terrain":false,"airmass":null,"alt":-46.26,"az":353.2,"t":"2039-06-01T05:55:00Z","terrain":0.52},{"above_terrain":false,"airmass":null,"alt":-46.36,"az":355.0,"t":"2039-06-01T06:00:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-46.43,"az":356.8,"t":"2039-06-01T06:05:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-46.46,"az":358.6,"t":"2039-06-01T06:10:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-46.47,"az":0.5,"t":"2039-06-01T06:15:00Z","terrain":0.44},{"above_terrain":false,"airmass":null,"alt":-46.45,"az":2.3,"t":"2039-06-01T06:20:00Z","terrain":0.05},{"above_terrain":false,"airmass":null,"alt":-46.4,"az":4.1,"t":"2039-06-01T06:25:00Z","terrain":-0.29},{"above_terrain":false,"airmass":null,"alt":-46.32,"az":5.9,"t":"2039-06-01T06:30:00Z","terrain":-0.57},{"above_terrain":false,"airmass":null,"alt":-46.2,"az":7.7,"t":"2039-06-01T06:35:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-46.06,"az":9.5,"t":"2039-06-01T06:40:00Z","terrain":-0.63},{"above_terrain":false,"airmass":null,"alt":-45.9,"az":11.3,"t":"2039-06-01T06:45:00Z","terrain":-0.34},{"above_terrain":false,"airmass":null,"alt":-45.7,"az":13.1,"t":"2039-06-01T06:50:00Z","terrain":-0.06},{"above_terrain":false,"airmass":null,"alt":-45.47,"az":14.8,"t":"2039-06-01T06:55:00Z","terrain":0.35},{"above_terrain":false,"airmass":null,"alt":-45.22,"az":16.6,"t":"2039-06-01T07:00:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-44.94,"az":18.3,"t":"2039-06-01T07:05:00Z","terrain":0.56},{"above_terrain":false,"airmass":null,"alt":-44.63,"az":20.0,"t":"2039-06-01T07:10:00Z","terrain":0.67},{"above_terrain":false,"airmass":null,"alt":-44.3,"az":21.7,"t":"2039-06-01T07:15:00Z","terrain":0.9},{"above_terrain":false,"airmass":null,"alt":-43.94,"az":23.4,"t":"2039-06-01T07:20:00Z","terrain":1.07},{"above_terrain":false,"airmass":null,"alt":-43.56,"az":25.0,"t":"2039-06-01T07:25:00Z","terrain":1.22},{"above_terrain":false,"airmass":null,"alt":-43.15,"az":26.7,"t":"2039-06-01T07:30:00Z","terrain":1.3},{"above_terrain":false,"airmass":null,"alt":-42.72,"az":28.3,"t":"2039-06-01T07:35:00Z","terrain":1.14},{"above_terrain":false,"airmass":null,"alt":-42.26,"az":29.8,"t":"2039-06-01T07:40:00Z","terrain":1.13},{"above_terrain":false,"airmass":null,"alt":-41.79,"az":31.4,"t":"2039-06-01T07:45:00Z","terrain":1.32},{"above_terrain":false,"airmass":null,"alt":-41.29,"az":32.9,"t":"2039-06-01T07:50:00Z","terrain":1.01},{"above_terrain":false,"airmass":null,"alt":-40.77,"az":34.4,"t":"2039-06-01T07:55:00Z","terrain":0.26},{"above_terrain":false,"airmass":null,"alt":-40.23,"az":35.9,"t":"2039-06-01T08:00:00Z","terrain":0.03},{"above_terrain":false,"airmass":null,"alt":-39.67,"az":37.4,"t":"2039-06-01T08:05:00Z","terrain":-0.14},{"above_terrain":false,"airmass":null,"alt":-39.09,"az":38.8,"t":"2039-06-01T08:10:00Z","terrain":-0.17},{"above_terrain":false,"airmass":null,"alt":-38.5,"az":40.2,"t":"2039-06-01T08:15:00Z","terrain":-0.03},{"above_terrain":false,"airmass":null,"alt":-37.88,"az":41.6,"t":"2039-06-01T08:20:00Z","terrain":0.08},{"above_terrain":false,"airmass":null,"alt":-37.25,"az":43.0,"t":"2039-06-01T08:25:00Z","terrain":0.25},{"above_terrain":false,"airmass":null,"alt":-36.61,"az":44.3,"t":"2039-06-01T08:30:00Z","terrain":0.47},{"above_terrain":false,"airmass":null,"alt":-35.95,"az":45.7,"t":"2039-06-01T08:35:00Z","terrain":0.64},{"above_terrain":false,"airmass":null,"alt":-35.27,"az":47.0,"t":"2039-06-01T08:40:00Z","terrain":0.61},{"above_terrain":false,"airmass":null,"alt":-34.58,"az":48.2,"t":"2039-06-01T08:45:00Z","terrain":0.5},{"above_terrain":false,"airmass":null,"alt":-33.87,"az":49.5,"t":"2039-06-01T08:50:00Z","terrain":0.41},{"above_terrain":false,"airmass":null,"alt":-33.15,"az":50.7,"t":"2039-06-01T08:55:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-32.42,"az":51.9,"t":"2039-06-01T09:00:00Z","terrain":0.62}],"transit":{"airmass":1.3,"alt":50.1,"az":179.7,"t":"2039-05-31T18:15:00Z"},"usable_hours":2.67,"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."]}