{"assessment":{"best_window":{"end":"2040-05-31T22:05Z","end_local":"01:05","hours":2.17,"label":"good","mean_quality":0.82,"start":"2040-05-31T19:55Z","start_local":"22:55"},"cost":{"altitude":3.39,"clouds":0.0,"darkness":1.53,"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 possible, with compromises \u2014 weather unknown","hourly":[{"alt":50,"cloud":null,"high":null,"iso":"2040-05-31T18:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-52,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"21:00","wind":null},{"alt":49,"cloud":null,"high":null,"iso":"2040-05-31T19:00Z","label":"poor","low":null,"mid":null,"moon_alt":-41,"precip":null,"q":0.14,"rh":null,"sky":"nautical twilight","temp":null,"time":"22:00","wind":null},{"alt":43,"cloud":null,"high":null,"iso":"2040-05-31T20:00Z","label":"good","low":null,"mid":null,"moon_alt":-31,"precip":null,"q":0.89,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":35,"cloud":null,"high":null,"iso":"2040-05-31T21:00Z","label":"good","low":null,"mid":null,"moon_alt":-20,"precip":null,"q":0.83,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":25,"cloud":null,"high":null,"iso":"2040-05-31T22:00Z","label":"good","low":null,"mid":null,"moon_alt":-9,"precip":null,"q":0.61,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":15,"cloud":null,"high":null,"iso":"2040-05-31T23:00Z","label":"unusable","low":null,"mid":null,"moon_alt":1,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":3,"cloud":null,"high":null,"iso":"2040-06-01T00:00Z","label":"unusable","low":null,"mid":null,"moon_alt":10,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":-8,"cloud":null,"high":null,"iso":"2040-06-01T01:00Z","label":"unusable","low":null,"mid":null,"moon_alt":19,"precip":null,"q":0.0,"rh":null,"sky":"astronomical twilight","temp":null,"time":"04:00","wind":null},{"alt":-19,"cloud":null,"high":null,"iso":"2040-06-01T02:00Z","label":"unusable","low":null,"mid":null,"moon_alt":25,"precip":null,"q":0.0,"rh":null,"sky":"nautical twilight","temp":null,"time":"05:00","wind":null}],"peak_quality":0.89,"peak_sky":0.89,"quality_hours":2.49,"reasons":["the target being low or below 20\u00b0 cost 3.4 quality-hours","daylight and twilight cost 1.5 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":55,"score_weather":null,"sky_hours":2.49,"verdict":"unknown","verdict_astronomy":"marginal","weather_known":false,"windows":[{"end":"2040-05-31T18:25Z","end_local":"21:25","hours":0.67,"label":"unusable","mean_quality":0.0,"start":"2040-05-31T17:45Z","start_local":"20:45"},{"end":"2040-05-31T19:05Z","end_local":"22:05","hours":0.67,"label":"poor","mean_quality":0.14,"start":"2040-05-31T18:25Z","start_local":"21:25"},{"end":"2040-05-31T19:55Z","end_local":"22:55","hours":0.83,"label":"marginal","mean_quality":0.46,"start":"2040-05-31T19:05Z","start_local":"22:05"},{"end":"2040-05-31T22:05Z","end_local":"01:05","hours":2.17,"label":"good","mean_quality":0.82,"start":"2040-05-31T19:55Z","start_local":"22:55"},{"end":"2040-05-31T22:35Z","end_local":"01:35","hours":0.5,"label":"marginal","mean_quality":0.49,"start":"2040-05-31T22:05Z","start_local":"01:05"},{"end":"2040-06-01T02:50Z","end_local":"05:50","hours":4.25,"label":"unusable","mean_quality":0.0,"start":"2040-05-31T22:35Z","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":"2040-05-31T19:54:30Z","dark_hours":4.81,"dark_to":"2040-06-01T00:43:06Z","moon":{"illumination":0.631,"phase":"waning gibbous","waxing":false},"moon_free_dark_hours":2.98,"moonrise":"2040-05-31T22:54:30Z","moonset":"2040-06-01T08:59:29Z","sunrise":"2040-06-01T02:48:50Z","sunset":"2040-05-31T17:48:46Z","twilight":{"astronomical":{"end":"2040-05-31T19:54:30Z","start":"2040-06-01T00:43:06Z"},"civil":{"end":"2040-05-31T18:22:10Z","start":"2040-06-01T02:15:27Z"},"nautical":{"end":"2040-05-31T19:04:38Z","start":"2040-06-01T01:32:58Z"}},"window_end":"2040-06-01T09:00:00Z","window_start":"2040-05-31T09:00:00Z"},"night_date":"2040-05-31","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.44,"alt":44.0,"t":"2040-05-31T19:55:00Z"},"dec":2.05238823,"dec_of_date":1.8294,"dec_str":"+02\u00b0 03' 08.6\"","good_hours":1.67,"limit_rise":"2040-05-31T13:55:19Z","limit_set":"2040-05-31T22:30:16Z","max_az_rate_deg_per_min":0.0,"moon_separation":140.1,"never_rises":false,"ra":187.27791594,"ra_of_date":187.7948,"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.","terrain":{"available":true,"behind_at":"2040-06-01T00:16:10Z","blocked_dark_hours":0,"clears_at":"2040-05-31T12:07:14Z","rise_az":88.0},"track":[{"above_terrain":false,"airmass":null,"alt":-32.58,"az":51.7,"t":"2040-05-31T09:00:00Z","terrain":0.6},{"above_terrain":false,"airmass":null,"alt":-31.84,"az":52.9,"t":"2040-05-31T09:05:00Z","terrain":0.82},{"above_terrain":false,"airmass":null,"alt":-31.08,"az":54.1,"t":"2040-05-31T09:10:00Z","terrain":1.01},{"above_terrain":false,"airmass":null,"alt":-30.32,"az":55.2,"t":"2040-05-31T09:15:00Z","terrain":1.07},{"above_terrain":false,"airmass":null,"alt":-29.55,"az":56.4,"t":"2040-05-31T09:20:00Z","terrain":1.06},{"above_terrain":false,"airmass":null,"alt":-28.76,"az":57.5,"t":"2040-05-31T09:25:00Z","terrain":1.16},{"above_terrain":false,"airmass":null,"alt":-27.97,"az":58.6,"t":"2040-05-31T09:30:00Z","terrain":1.23},{"above_terrain":false,"airmass":null,"alt":-27.16,"az":59.7,"t":"2040-05-31T09:35:00Z","terrain":1.18},{"above_terrain":false,"airmass":null,"alt":-26.35,"az":60.7,"t":"2040-05-31T09:40:00Z","terrain":1.11},{"above_terrain":false,"airmass":null,"alt":-25.53,"az":61.8,"t":"2040-05-31T09:45:00Z","terrain":1.03},{"above_terrain":false,"airmass":null,"alt":-24.7,"az":62.8,"t":"2040-05-31T09:50:00Z","terrain":0.93},{"above_terrain":false,"airmass":null,"alt":-23.87,"az":63.8,"t":"2040-05-31T09:55:00Z","terrain":0.79},{"above_terrain":false,"airmass":null,"alt":-23.02,"az":64.9,"t":"2040-05-31T10:00:00Z","terrain":0.77},{"above_terrain":false,"airmass":null,"alt":-22.17,"az":65.8,"t":"2040-05-31T10:05:00Z","terrain":0.82},{"above_terrain":false,"airmass":null,"alt":-21.31,"az":66.8,"t":"2040-05-31T10:10:00Z","terrain":0.91},{"above_terrain":false,"airmass":null,"alt":-20.45,"az":67.8,"t":"2040-05-31T10:15:00Z","terrain":0.98},{"above_terrain":false,"airmass":null,"alt":-19.58,"az":68.8,"t":"2040-05-31T10:20:00Z","terrain":1.04},{"above_terrain":false,"airmass":null,"alt":-18.71,"az":69.7,"t":"2040-05-31T10:25:00Z","terrain":1.17},{"above_terrain":false,"airmass":null,"alt":-17.83,"az":70.6,"t":"2040-05-31T10:30:00Z","terrain":1.25},{"above_terrain":false,"airmass":null,"alt":-16.94,"az":71.6,"t":"2040-05-31T10:35:00Z","terrain":1.23},{"above_terrain":false,"airmass":null,"alt":-16.05,"az":72.5,"t":"2040-05-31T10:40:00Z","terrain":1.1},{"above_terrain":false,"airmass":null,"alt":-15.16,"az":73.4,"t":"2040-05-31T10:45:00Z","terrain":0.88},{"above_terrain":false,"airmass":null,"alt":-14.26,"az":74.3,"t":"2040-05-31T10:50:00Z","terrain":0.7},{"above_terrain":false,"airmass":null,"alt":-13.35,"az":75.2,"t":"2040-05-31T10:55:00Z","terrain":0.65},{"above_terrain":false,"airmass":null,"alt":-12.45,"az":76.1,"t":"2040-05-31T11:00:00Z","terrain":0.72},{"above_terrain":false,"airmass":null,"alt":-11.54,"az":77.0,"t":"2040-05-31T11:05:00Z","terrain":0.7},{"above_terrain":false,"airmass":null,"alt":-10.62,"az":77.8,"t":"2040-05-31T11:10:00Z","terrain":0.64},{"above_terrain":false,"airmass":null,"alt":-9.71,"az":78.7,"t":"2040-05-31T11:15:00Z","terrain":0.59},{"above_terrain":false,"airmass":null,"alt":-8.79,"az":79.6,"t":"2040-05-31T11:20:00Z","terrain":0.51},{"above_terrain":false,"airmass":null,"alt":-7.87,"az":80.4,"t":"2040-05-31T11:25:00Z","terrain":0.56},{"above_terrain":false,"airmass":null,"alt":-6.94,"az":81.3,"t":"2040-05-31T11:30:00Z","terrain":0.71},{"above_terrain":false,"airmass":null,"alt":-6.02,"az":82.1,"t":"2040-05-31T11:35:00Z","terrain":0.76},{"above_terrain":false,"airmass":null,"alt":-5.09,"az":83.0,"t":"2040-05-31T11:40:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-4.16,"az":83.8,"t":"2040-05-31T11:45:00Z","terrain":0.4},{"above_terrain":false,"airmass":null,"alt":-3.23,"az":84.7,"t":"2040-05-31T11:50:00Z","terrain":0.33},{"above_terrain":false,"airmass":null,"alt":-2.29,"az":85.5,"t":"2040-05-31T11:55:00Z","terrain":0.24},{"above_terrain":false,"airmass":null,"alt":-1.36,"az":86.3,"t":"2040-05-31T12:00:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-0.43,"az":87.2,"t":"2040-05-31T12:05:00Z","terrain":0.05},{"above_terrain":true,"airmass":31.24,"alt":0.51,"az":88.0,"t":"2040-05-31T12:10:00Z","terrain":-0.07},{"above_terrain":true,"airmass":22.82,"alt":1.45,"az":88.8,"t":"2040-05-31T12:15:00Z","terrain":-0.18},{"above_terrain":true,"airmass":17.57,"alt":2.38,"az":89.7,"t":"2040-05-31T12:20:00Z","terrain":-0.21},{"above_terrain":true,"airmass":14.13,"alt":3.32,"az":90.5,"t":"2040-05-31T12:25:00Z","terrain":-0.15},{"above_terrain":true,"airmass":11.73,"alt":4.25,"az":91.3,"t":"2040-05-31T12:30:00Z","terrain":-0.03},{"above_terrain":true,"airmass":10.0,"alt":5.19,"az":92.2,"t":"2040-05-31T12:35:00Z","terrain":0.14},{"above_terrain":true,"airmass":8.69,"alt":6.12,"az":93.0,"t":"2040-05-31T12:40:00Z","terrain":0.33},{"above_terrain":true,"airmass":7.67,"alt":7.06,"az":93.9,"t":"2040-05-31T12:45:00Z","terrain":0.4},{"above_terrain":true,"airmass":6.86,"alt":7.99,"az":94.7,"t":"2040-05-31T12:50:00Z","terrain":0.39},{"above_terrain":true,"airmass":6.21,"alt":8.92,"az":95.5,"t":"2040-05-31T12:55:00Z","terrain":0.47},{"above_terrain":true,"airmass":5.66,"alt":9.85,"az":96.4,"t":"2040-05-31T13:00:00Z","terrain":0.62},{"above_terrain":true,"airmass":5.21,"alt":10.78,"az":97.2,"t":"2040-05-31T13:05:00Z","terrain":0.72},{"above_terrain":true,"airmass":4.82,"alt":11.71,"az":98.1,"t":"2040-05-31T13:10:00Z","terrain":0.66},{"above_terrain":true,"airmass":4.49,"alt":12.64,"az":99.0,"t":"2040-05-31T13:15:00Z","terrain":0.49},{"above_terrain":true,"airmass":4.2,"alt":13.56,"az":99.8,"t":"2040-05-31T13:20:00Z","terrain":0.3},{"above_terrain":true,"airmass":3.94,"alt":14.48,"az":100.7,"t":"2040-05-31T13:25:00Z","terrain":0.13},{"above_terrain":true,"airmass":3.72,"alt":15.4,"az":101.6,"t":"2040-05-31T13:30:00Z","terrain":0.01},{"above_terrain":true,"airmass":3.52,"alt":16.31,"az":102.5,"t":"2040-05-31T13:35:00Z","terrain":-0.13},{"above_terrain":true,"airmass":3.34,"alt":17.23,"az":103.4,"t":"2040-05-31T13:40:00Z","terrain":-0.13},{"above_terrain":true,"airmass":3.18,"alt":18.14,"az":104.3,"t":"2040-05-31T13:45:00Z","terrain":-0.05},{"above_terrain":true,"airmass":3.04,"alt":19.04,"az":105.2,"t":"2040-05-31T13:50:00Z","terrain":-0.3},{"above_terrain":true,"airmass":2.91,"alt":19.94,"az":106.1,"t":"2040-05-31T13:55:00Z","terrain":-0.64},{"above_terrain":true,"airmass":2.79,"alt":20.84,"az":107.1,"t":"2040-05-31T14:00:00Z","terrain":-0.63},{"above_terrain":true,"airmass":2.68,"alt":21.73,"az":108.0,"t":"2040-05-31T14:05:00Z","terrain":-0.93},{"above_terrain":true,"airmass":2.59,"alt":22.62,"az":109.0,"t":"2040-05-31T14:10:00Z","terrain":-1.18},{"above_terrain":true,"airmass":2.5,"alt":23.5,"az":109.9,"t":"2040-05-31T14:15:00Z","terrain":-1.15},{"above_terrain":true,"airmass":2.41,"alt":24.38,"az":110.9,"t":"2040-05-31T14:20:00Z","terrain":-1.31},{"above_terrain":true,"airmass":2.33,"alt":25.25,"az":111.9,"t":"2040-05-31T14:25:00Z","terrain":-1.37},{"above_terrain":true,"airmass":2.26,"alt":26.12,"az":112.9,"t":"2040-05-31T14:30:00Z","terrain":-1.43},{"above_terrain":true,"airmass":2.2,"alt":26.97,"az":113.9,"t":"2040-05-31T14:35:00Z","terrain":-1.6},{"above_terrain":true,"airmass":2.14,"alt":27.83,"az":114.9,"t":"2040-05-31T14:40:00Z","terrain":-1.52},{"above_terrain":true,"airmass":2.08,"alt":28.67,"az":116.0,"t":"2040-05-31T14:45:00Z","terrain":-1.47},{"above_terrain":true,"airmass":2.02,"alt":29.51,"az":117.1,"t":"2040-05-31T14:50:00Z","terrain":-1.62},{"above_terrain":true,"airmass":1.97,"alt":30.34,"az":118.1,"t":"2040-05-31T14:55:00Z","terrain":-1.43},{"above_terrain":true,"airmass":1.93,"alt":31.16,"az":119.3,"t":"2040-05-31T15:00:00Z","terrain":-1.42},{"above_terrain":true,"airmass":1.88,"alt":31.97,"az":120.4,"t":"2040-05-31T15:05:00Z","terrain":-1.24},{"above_terrain":true,"airmass":1.84,"alt":32.77,"az":121.5,"t":"2040-05-31T15:10:00Z","terrain":-1.22},{"above_terrain":true,"airmass":1.8,"alt":33.57,"az":122.7,"t":"2040-05-31T15:15:00Z","terrain":-1.32},{"above_terrain":true,"airmass":1.77,"alt":34.35,"az":123.8,"t":"2040-05-31T15:20:00Z","terrain":-1.47},{"above_terrain":true,"airmass":1.73,"alt":35.12,"az":125.0,"t":"2040-05-31T15:25:00Z","terrain":-1.64},{"above_terrain":true,"airmass":1.7,"alt":35.88,"az":126.3,"t":"2040-05-31T15:30:00Z","terrain":-1.58},{"above_terrain":true,"airmass":1.67,"alt":36.63,"az":127.5,"t":"2040-05-31T15:35:00Z","terrain":-1.47},{"above_terrain":true,"airmass":1.64,"alt":37.37,"az":128.8,"t":"2040-05-31T15:40:00Z","terrain":-1.2},{"above_terrain":true,"airmass":1.62,"alt":38.09,"az":130.1,"t":"2040-05-31T15:45:00Z","terrain":-1.56},{"above_terrain":true,"airmass":1.59,"alt":38.8,"az":131.4,"t":"2040-05-31T15:50:00Z","terrain":-1.67},{"above_terrain":true,"airmass":1.57,"alt":39.49,"az":132.7,"t":"2040-05-31T15:55:00Z","terrain":-1.65},{"above_terrain":true,"airmass":1.55,"alt":40.17,"az":134.1,"t":"2040-05-31T16:00:00Z","terrain":-1.51},{"above_terrain":true,"airmass":1.53,"alt":40.84,"az":135.5,"t":"2040-05-31T16:05:00Z","terrain":-1.25},{"above_terrain":true,"airmass":1.51,"alt":41.48,"az":136.9,"t":"2040-05-31T16:10:00Z","terrain":-1.23},{"above_terrain":true,"airmass":1.49,"alt":42.12,"az":138.4,"t":"2040-05-31T16:15:00Z","terrain":-1.21},{"above_terrain":true,"airmass":1.47,"alt":42.73,"az":139.9,"t":"2040-05-31T16:20:00Z","terrain":-1.33},{"above_terrain":true,"airmass":1.46,"alt":43.32,"az":141.4,"t":"2040-05-31T16:25:00Z","terrain":-1.18},{"above_terrain":true,"airmass":1.44,"alt":43.9,"az":142.9,"t":"2040-05-31T16:30:00Z","terrain":-1.37},{"above_terrain":true,"airmass":1.43,"alt":44.45,"az":144.5,"t":"2040-05-31T16:35:00Z","terrain":-1.41},{"above_terrain":true,"airmass":1.41,"alt":44.98,"az":146.1,"t":"2040-05-31T16:40:00Z","terrain":-1.49},{"above_terrain":true,"airmass":1.4,"alt":45.49,"az":147.7,"t":"2040-05-31T16:45:00Z","terrain":-1.4},{"above_terrain":true,"airmass":1.39,"alt":45.98,"az":149.4,"t":"2040-05-31T16:50:00Z","terrain":-1.35},{"above_terrain":true,"airmass":1.38,"alt":46.45,"az":151.0,"t":"2040-05-31T16:55:00Z","terrain":-1.22},{"above_terrain":true,"airmass":1.37,"alt":46.89,"az":152.7,"t":"2040-05-31T17:00:00Z","terrain":-1.01},{"above_terrain":true,"airmass":1.36,"alt":47.31,"az":154.5,"t":"2040-05-31T17:05:00Z","terrain":-1.06},{"above_terrain":true,"airmass":1.35,"alt":47.7,"az":156.2,"t":"2040-05-31T17:10:00Z","terrain":-1.21},{"above_terrain":true,"airmass":1.34,"alt":48.06,"az":158.0,"t":"2040-05-31T17:15:00Z","terrain":-1.06},{"above_terrain":true,"airmass":1.34,"alt":48.4,"az":159.8,"t":"2040-05-31T17:20:00Z","terrain":-0.98},{"above_terrain":true,"airmass":1.33,"alt":48.7,"az":161.7,"t":"2040-05-31T17:25:00Z","terrain":-1.3},{"above_terrain":true,"airmass":1.32,"alt":48.98,"az":163.5,"t":"2040-05-31T17:30:00Z","terrain":-1.45},{"above_terrain":true,"airmass":1.32,"alt":49.23,"az":165.4,"t":"2040-05-31T17:35:00Z","terrain":-1.33},{"above_terrain":true,"airmass":1.31,"alt":49.46,"az":167.3,"t":"2040-05-31T17:40:00Z","terrain":-1.1},{"above_terrain":true,"airmass":1.31,"alt":49.65,"az":169.2,"t":"2040-05-31T17:45:00Z","terrain":-0.77},{"above_terrain":true,"airmass":1.31,"alt":49.81,"az":171.1,"t":"2040-05-31T17:50:00Z","terrain":-0.64},{"above_terrain":true,"airmass":1.31,"alt":49.93,"az":173.1,"t":"2040-05-31T17:55:00Z","terrain":-0.51},{"above_terrain":true,"airmass":1.3,"alt":50.03,"az":175.0,"t":"2040-05-31T18:00:00Z","terrain":-0.46},{"above_terrain":true,"airmass":1.3,"alt":50.1,"az":177.0,"t":"2040-05-31T18:05:00Z","terrain":-0.37},{"above_terrain":true,"airmass":1.3,"alt":50.13,"az":178.9,"t":"2040-05-31T18:10:00Z","terrain":-0.42},{"above_terrain":true,"airmass":1.3,"alt":50.13,"az":180.9,"t":"2040-05-31T18:15:00Z","terrain":-0.59},{"above_terrain":true,"airmass":1.3,"alt":50.1,"az":182.8,"t":"2040-05-31T18:20:00Z","terrain":-0.62},{"above_terrain":true,"airmass":1.3,"alt":50.04,"az":184.8,"t":"2040-05-31T18:25:00Z","terrain":-0.6},{"above_terrain":true,"airmass":1.31,"alt":49.95,"az":186.7,"t":"2040-05-31T18:30:00Z","terrain":-0.65},{"above_terrain":true,"airmass":1.31,"alt":49.82,"az":188.6,"t":"2040-05-31T18:35:00Z","terrain":-0.62},{"above_terrain":true,"airmass":1.31,"alt":49.67,"az":190.6,"t":"2040-05-31T18:40:00Z","terrain":-0.5},{"above_terrain":true,"airmass":1.31,"alt":49.48,"az":192.5,"t":"2040-05-31T18:45:00Z","terrain":-0.42},{"above_terrain":true,"airmass":1.32,"alt":49.26,"az":194.4,"t":"2040-05-31T18:50:00Z","terrain":-0.47},{"above_terrain":true,"airmass":1.32,"alt":49.02,"az":196.2,"t":"2040-05-31T18:55:00Z","terrain":-0.6},{"above_terrain":true,"airmass":1.33,"alt":48.74,"az":198.1,"t":"2040-05-31T19:00:00Z","terrain":-0.37},{"above_terrain":true,"airmass":1.34,"alt":48.43,"az":199.9,"t":"2040-05-31T19:05:00Z","terrain":-0.25},{"above_terrain":true,"airmass":1.34,"alt":48.1,"az":201.8,"t":"2040-05-31T19:10:00Z","terrain":-0.5},{"above_terrain":true,"airmass":1.35,"alt":47.74,"az":203.5,"t":"2040-05-31T19:15:00Z","terrain":-0.6},{"above_terrain":true,"airmass":1.36,"alt":47.35,"az":205.3,"t":"2040-05-31T19:20:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.37,"alt":46.94,"az":207.1,"t":"2040-05-31T19:25:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.38,"alt":46.5,"az":208.8,"t":"2040-05-31T19:30:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.39,"alt":46.04,"az":210.4,"t":"2040-05-31T19:35:00Z","terrain":0.73},{"above_terrain":true,"airmass":1.4,"alt":45.55,"az":212.1,"t":"2040-05-31T19:40:00Z","terrain":0.41},{"above_terrain":true,"airmass":1.41,"alt":45.04,"az":213.7,"t":"2040-05-31T19:45:00Z","terrain":0.62},{"above_terrain":true,"airmass":1.42,"alt":44.51,"az":215.3,"t":"2040-05-31T19:50:00Z","terrain":0.65},{"above_terrain":true,"airmass":1.44,"alt":43.96,"az":216.9,"t":"2040-05-31T19:55:00Z","terrain":0.98},{"above_terrain":true,"airmass":1.45,"alt":43.39,"az":218.4,"t":"2040-05-31T20:00:00Z","terrain":1.26},{"above_terrain":true,"airmass":1.47,"alt":42.8,"az":220.0,"t":"2040-05-31T20:05:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.49,"alt":42.19,"az":221.4,"t":"2040-05-31T20:10:00Z","terrain":1.1},{"above_terrain":true,"airmass":1.51,"alt":41.56,"az":222.9,"t":"2040-05-31T20:15:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.52,"alt":40.91,"az":224.3,"t":"2040-05-31T20:20:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.55,"alt":40.25,"az":225.7,"t":"2040-05-31T20:25:00Z","terrain":0.54},{"above_terrain":true,"airmass":1.57,"alt":39.57,"az":227.1,"t":"2040-05-31T20:30:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.59,"alt":38.88,"az":228.4,"t":"2040-05-31T20:35:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.62,"alt":38.17,"az":229.8,"t":"2040-05-31T20:40:00Z","terrain":1.19},{"above_terrain":true,"airmass":1.64,"alt":37.45,"az":231.1,"t":"2040-05-31T20:45:00Z","terrain":0.88},{"above_terrain":true,"airmass":1.67,"alt":36.72,"az":232.3,"t":"2040-05-31T20:50:00Z","terrain":0.86},{"above_terrain":true,"airmass":1.7,"alt":35.97,"az":233.6,"t":"2040-05-31T20:55:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.73,"alt":35.21,"az":234.8,"t":"2040-05-31T21:00:00Z","terrain":0.95},{"above_terrain":true,"airmass":1.76,"alt":34.44,"az":236.0,"t":"2040-05-31T21:05:00Z","terrain":0.78},{"above_terrain":true,"airmass":1.8,"alt":33.66,"az":237.2,"t":"2040-05-31T21:10:00Z","terrain":0.82},{"above_terrain":true,"airmass":1.84,"alt":32.87,"az":238.4,"t":"2040-05-31T21:15:00Z","terrain":0.69},{"above_terrain":true,"airmass":1.88,"alt":32.07,"az":239.5,"t":"2040-05-31T21:20:00Z","terrain":0.65},{"above_terrain":true,"airmass":1.92,"alt":31.26,"az":240.6,"t":"2040-05-31T21:25:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.97,"alt":30.44,"az":241.7,"t":"2040-05-31T21:30:00Z","terrain":0.96},{"above_terrain":true,"airmass":2.02,"alt":29.61,"az":242.8,"t":"2040-05-31T21:35:00Z","terrain":1.02},{"above_terrain":true,"airmass":2.07,"alt":28.77,"az":243.9,"t":"2040-05-31T21:40:00Z","terrain":0.95},{"above_terrain":true,"airmass":2.13,"alt":27.93,"az":244.9,"t":"2040-05-31T21:45:00Z","terrain":0.99},{"above_terrain":true,"airmass":2.19,"alt":27.08,"az":246.0,"t":"2040-05-31T21:50:00Z","terrain":1.17},{"above_terrain":true,"airmass":2.25,"alt":26.22,"az":247.0,"t":"2040-05-31T21:55:00Z","terrain":1.02},{"above_terrain":true,"airmass":2.33,"alt":25.35,"az":248.0,"t":"2040-05-31T22:00:00Z","terrain":0.58},{"above_terrain":true,"airmass":2.4,"alt":24.48,"az":249.0,"t":"2040-05-31T22:05:00Z","terrain":0.49},{"above_terrain":true,"airmass":2.49,"alt":23.61,"az":250.0,"t":"2040-05-31T22:10:00Z","terrain":0.59},{"above_terrain":true,"airmass":2.57,"alt":22.72,"az":250.9,"t":"2040-05-31T22:15:00Z","terrain":0.55},{"above_terrain":true,"airmass":2.67,"alt":21.84,"az":251.9,"t":"2040-05-31T22:20:00Z","terrain":0.25},{"above_terrain":true,"airmass":2.78,"alt":20.94,"az":252.8,"t":"2040-05-31T22:25:00Z","terrain":0.18},{"above_terrain":true,"airmass":2.9,"alt":20.05,"az":253.8,"t":"2040-05-31T22:30:00Z","terrain":0.17},{"above_terrain":true,"airmass":3.03,"alt":19.15,"az":254.7,"t":"2040-05-31T22:35:00Z","terrain":0.22},{"above_terrain":true,"airmass":3.17,"alt":18.24,"az":255.6,"t":"2040-05-31T22:40:00Z","terrain":0.33},{"above_terrain":true,"airmass":3.32,"alt":17.33,"az":256.5,"t":"2040-05-31T22:45:00Z","terrain":0.41},{"above_terrain":true,"airmass":3.5,"alt":16.42,"az":257.4,"t":"2040-05-31T22:50:00Z","terrain":0.4},{"above_terrain":true,"airmass":3.69,"alt":15.51,"az":258.3,"t":"2040-05-31T22:55:00Z","terrain":0.4},{"above_terrain":true,"airmass":3.91,"alt":14.59,"az":259.2,"t":"2040-05-31T23:00:00Z","terrain":0.49},{"above_terrain":true,"airmass":4.16,"alt":13.67,"az":260.1,"t":"2040-05-31T23:05:00Z","terrain":0.58},{"above_terrain":true,"airmass":4.45,"alt":12.75,"az":260.9,"t":"2040-05-31T23:10:00Z","terrain":0.82},{"above_terrain":true,"airmass":4.78,"alt":11.82,"az":261.8,"t":"2040-05-31T23:15:00Z","terrain":0.95},{"above_terrain":true,"airmass":5.16,"alt":10.89,"az":262.7,"t":"2040-05-31T23:20:00Z","terrain":0.87},{"above_terrain":true,"airmass":5.6,"alt":9.96,"az":263.5,"t":"2040-05-31T23:25:00Z","terrain":0.66},{"above_terrain":true,"airmass":6.14,"alt":9.03,"az":264.4,"t":"2040-05-31T23:30:00Z","terrain":0.47},{"above_terrain":true,"airmass":6.78,"alt":8.1,"az":265.2,"t":"2040-05-31T23:35:00Z","terrain":0.41},{"above_terrain":true,"airmass":7.57,"alt":7.17,"az":266.0,"t":"2040-05-31T23:40:00Z","terrain":0.47},{"above_terrain":true,"airmass":8.55,"alt":6.23,"az":266.9,"t":"2040-05-31T23:45:00Z","terrain":0.56},{"above_terrain":true,"airmass":9.82,"alt":5.3,"az":267.7,"t":"2040-05-31T23:50:00Z","terrain":0.63},{"above_terrain":true,"airmass":11.5,"alt":4.36,"az":268.6,"t":"2040-05-31T23:55:00Z","terrain":0.71},{"above_terrain":true,"airmass":13.8,"alt":3.43,"az":269.4,"t":"2040-06-01T00:00:00Z","terrain":0.81},{"above_terrain":true,"airmass":17.09,"alt":2.49,"az":270.2,"t":"2040-06-01T00:05:00Z","terrain":0.87},{"above_terrain":true,"airmass":22.07,"alt":1.56,"az":271.1,"t":"2040-06-01T00:10:00Z","terrain":0.76},{"above_terrain":true,"airmass":30.01,"alt":0.62,"az":271.9,"t":"2040-06-01T00:15:00Z","terrain":0.46},{"above_terrain":false,"airmass":null,"alt":-0.31,"az":272.7,"t":"2040-06-01T00:20:00Z","terrain":0.22},{"above_terrain":false,"airmass":null,"alt":-1.25,"az":273.6,"t":"2040-06-01T00:25:00Z","terrain":0.04},{"above_terrain":false,"airmass":null,"alt":-2.18,"az":274.4,"t":"2040-06-01T00:30:00Z","terrain":0.02},{"above_terrain":false,"airmass":null,"alt":-3.12,"az":275.2,"t":"2040-06-01T00:35:00Z","terrain":0.07},{"above_terrain":false,"airmass":null,"alt":-4.05,"az":276.1,"t":"2040-06-01T00:40:00Z","terrain":-0.02},{"above_terrain":false,"airmass":null,"alt":-4.98,"az":276.9,"t":"2040-06-01T00:45:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-5.91,"az":277.8,"t":"2040-06-01T00:50:00Z","terrain":-0.09},{"above_terrain":false,"airmass":null,"alt":-6.83,"az":278.6,"t":"2040-06-01T00:55:00Z","terrain":-0.04},{"above_terrain":false,"airmass":null,"alt":-7.76,"az":279.5,"t":"2040-06-01T01:00:00Z","terrain":-0.07},{"above_terrain":false,"airmass":null,"alt":-8.68,"az":280.3,"t":"2040-06-01T01:05:00Z","terrain":-0.08},{"above_terrain":false,"airmass":null,"alt":-9.6,"az":281.2,"t":"2040-06-01T01:10:00Z","terrain":0.0},{"above_terrain":false,"airmass":null,"alt":-10.51,"az":282.1,"t":"2040-06-01T01:15:00Z","terrain":-0.12},{"above_terrain":false,"airmass":null,"alt":-11.43,"az":282.9,"t":"2040-06-01T01:20:00Z","terrain":-0.02},{"above_terrain":false,"airmass":null,"alt":-12.34,"az":283.8,"t":"2040-06-01T01:25:00Z","terrain":0.09},{"above_terrain":false,"airmass":null,"alt":-13.25,"az":284.7,"t":"2040-06-01T01:30:00Z","terrain":0.2},{"above_terrain":false,"airmass":null,"alt":-14.15,"az":285.6,"t":"2040-06-01T01:35:00Z","terrain":0.22},{"above_terrain":false,"airmass":null,"alt":-15.05,"az":286.5,"t":"2040-06-01T01:40:00Z","terrain":0.29},{"above_terrain":false,"airmass":null,"alt":-15.94,"az":287.4,"t":"2040-06-01T01:45:00Z","terrain":0.29},{"above_terrain":false,"airmass":null,"alt":-16.84,"az":288.3,"t":"2040-06-01T01:50:00Z","terrain":0.17},{"above_terrain":false,"airmass":null,"alt":-17.72,"az":289.2,"t":"2040-06-01T01:55:00Z","terrain":0.21},{"above_terrain":false,"airmass":null,"alt":-18.6,"az":290.2,"t":"2040-06-01T02:00:00Z","terrain":0.33},{"above_terrain":false,"airmass":null,"alt":-19.48,"az":291.1,"t":"2040-06-01T02:05:00Z","terrain":0.5},{"above_terrain":false,"airmass":null,"alt":-20.35,"az":292.1,"t":"2040-06-01T02:10:00Z","terrain":0.53},{"above_terrain":false,"airmass":null,"alt":-21.21,"az":293.1,"t":"2040-06-01T02:15:00Z","terrain":0.28},{"above_terrain":false,"airmass":null,"alt":-22.07,"az":294.0,"t":"2040-06-01T02:20:00Z","terrain":0.25},{"above_terrain":false,"airmass":null,"alt":-22.92,"az":295.0,"t":"2040-06-01T02:25:00Z","terrain":0.23},{"above_terrain":false,"airmass":null,"alt":-23.77,"az":296.0,"t":"2040-06-01T02:30:00Z","terrain":0.33},{"above_terrain":false,"airmass":null,"alt":-24.6,"az":297.1,"t":"2040-06-01T02:35:00Z","terrain":0.25},{"above_terrain":false,"airmass":null,"alt":-25.43,"az":298.1,"t":"2040-06-01T02:40:00Z","terrain":0.12},{"above_terrain":false,"airmass":null,"alt":-26.26,"az":299.1,"t":"2040-06-01T02:45:00Z","terrain":0.2},{"above_terrain":false,"airmass":null,"alt":-27.07,"az":300.2,"t":"2040-06-01T02:50:00Z","terrain":0.36},{"above_terrain":false,"airmass":null,"alt":-27.87,"az":301.3,"t":"2040-06-01T02:55:00Z","terrain":0.25},{"above_terrain":false,"airmass":null,"alt":-28.67,"az":302.4,"t":"2040-06-01T03:00:00Z","terrain":-0.04},{"above_terrain":false,"airmass":null,"alt":-29.45,"az":303.5,"t":"2040-06-01T03:05:00Z","terrain":-0.16},{"above_terrain":false,"airmass":null,"alt":-30.23,"az":304.6,"t":"2040-06-01T03:10:00Z","terrain":-0.22},{"above_terrain":false,"airmass":null,"alt":-30.99,"az":305.8,"t":"2040-06-01T03:15:00Z","terrain":-0.19},{"above_terrain":false,"airmass":null,"alt":-31.75,"az":307.0,"t":"2040-06-01T03:20:00Z","terrain":0.17},{"above_terrain":false,"airmass":null,"alt":-32.49,"az":308.2,"t":"2040-06-01T03:25:00Z","terrain":0.3},{"above_terrain":false,"airmass":null,"alt":-33.22,"az":309.4,"t":"2040-06-01T03:30:00Z","terrain":0.19},{"above_terrain":false,"airmass":null,"alt":-33.94,"az":310.6,"t":"2040-06-01T03:35:00Z","terrain":0.31},{"above_terrain":false,"airmass":null,"alt":-34.64,"az":311.9,"t":"2040-06-01T03:40:00Z","terrain":0.17},{"above_terrain":false,"airmass":null,"alt":-35.33,"az":313.1,"t":"2040-06-01T03:45:00Z","terrain":0.3},{"above_terrain":false,"airmass":null,"alt":-36.0,"az":314.4,"t":"2040-06-01T03:50:00Z","terrain":0.51},{"above_terrain":false,"airmass":null,"alt":-36.67,"az":315.8,"t":"2040-06-01T03:55:00Z","terrain":0.5},{"above_terrain":false,"airmass":null,"alt":-37.31,"az":317.1,"t":"2040-06-01T04:00:00Z","terrain":0.3},{"above_terrain":false,"airmass":null,"alt":-37.94,"az":318.5,"t":"2040-06-01T04:05:00Z","terrain":0.11},{"above_terrain":false,"airmass":null,"alt":-38.55,"az":319.9,"t":"2040-06-01T04:10:00Z","terrain":-0.19},{"above_terrain":false,"airmass":null,"alt":-39.15,"az":321.3,"t":"2040-06-01T04:15:00Z","terrain":-0.09},{"above_terrain":false,"airmass":null,"alt":-39.72,"az":322.7,"t":"2040-06-01T04:20:00Z","terrain":0.12},{"above_terrain":false,"airmass":null,"alt":-40.28,"az":324.2,"t":"2040-06-01T04:25:00Z","terrain":-0.21},{"above_terrain":false,"airmass":null,"alt":-40.82,"az":325.7,"t":"2040-06-01T04:30:00Z","terrain":-0.22},{"above_terrain":false,"airmass":null,"alt":-41.33,"az":327.2,"t":"2040-06-01T04:35:00Z","terrain":-0.36},{"above_terrain":false,"airmass":null,"alt":-41.83,"az":328.7,"t":"2040-06-01T04:40:00Z","terrain":-0.16},{"above_terrain":false,"airmass":null,"alt":-42.31,"az":330.3,"t":"2040-06-01T04:45:00Z","terrain":-0.36},{"above_terrain":false,"airmass":null,"alt":-42.76,"az":331.9,"t":"2040-06-01T04:50:00Z","terrain":-0.17},{"above_terrain":false,"airmass":null,"alt":-43.19,"az":333.5,"t":"2040-06-01T04:55:00Z","terrain":-0.17},{"above_terrain":false,"airmass":null,"alt":-43.59,"az":335.1,"t":"2040-06-01T05:00:00Z","terrain":-0.62},{"above_terrain":false,"airmass":null,"alt":-43.98,"az":336.8,"t":"2040-06-01T05:05:00Z","terrain":-0.75},{"above_terrain":false,"airmass":null,"alt":-44.33,"az":338.4,"t":"2040-06-01T05:10:00Z","terrain":-0.59},{"above_terrain":false,"airmass":null,"alt":-44.66,"az":340.1,"t":"2040-06-01T05:15:00Z","terrain":-0.52},{"above_terrain":false,"airmass":null,"alt":-44.97,"az":341.8,"t":"2040-06-01T05:20:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-45.25,"az":343.6,"t":"2040-06-01T05:25:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-45.5,"az":345.3,"t":"2040-06-01T05:30:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-45.72,"az":347.1,"t":"2040-06-01T05:35:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-45.92,"az":348.9,"t":"2040-06-01T05:40:00Z","terrain":-0.02},{"above_terrain":false,"airmass":null,"alt":-46.08,"az":350.6,"t":"2040-06-01T05:45:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-46.22,"az":352.4,"t":"2040-06-01T05:50:00Z","terrain":0.37},{"above_terrain":false,"airmass":null,"alt":-46.33,"az":354.3,"t":"2040-06-01T05:55:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-46.41,"az":356.1,"t":"2040-06-01T06:00:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-46.46,"az":357.9,"t":"2040-06-01T06:05:00Z","terrain":0.64},{"above_terrain":false,"airmass":null,"alt":-46.48,"az":359.7,"t":"2040-06-01T06:10:00Z","terrain":0.54},{"above_terrain":false,"airmass":null,"alt":-46.47,"az":1.5,"t":"2040-06-01T06:15:00Z","terrain":0.24},{"above_terrain":false,"airmass":null,"alt":-46.43,"az":3.3,"t":"2040-06-01T06:20:00Z","terrain":-0.18},{"above_terrain":false,"airmass":null,"alt":-46.36,"az":5.1,"t":"2040-06-01T06:25:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-46.26,"az":7.0,"t":"2040-06-01T06:30:00Z","terrain":-0.42},{"above_terrain":false,"airmass":null,"alt":-46.13,"az":8.8,"t":"2040-06-01T06:35:00Z","terrain":-0.6},{"above_terrain":false,"airmass":null,"alt":-45.97,"az":10.5,"t":"2040-06-01T06:40:00Z","terrain":-0.49},{"above_terrain":false,"airmass":null,"alt":-45.79,"az":12.3,"t":"2040-06-01T06:45:00Z","terrain":-0.14},{"above_terrain":false,"airmass":null,"alt":-45.58,"az":14.1,"t":"2040-06-01T06:50:00Z","terrain":0.12},{"above_terrain":false,"airmass":null,"alt":-45.33,"az":15.8,"t":"2040-06-01T06:55:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-45.06,"az":17.6,"t":"2040-06-01T07:00:00Z","terrain":0.5},{"above_terrain":false,"airmass":null,"alt":-44.77,"az":19.3,"t":"2040-06-01T07:05:00Z","terrain":0.64},{"above_terrain":false,"airmass":null,"alt":-44.45,"az":21.0,"t":"2040-06-01T07:10:00Z","terrain":0.69},{"above_terrain":false,"airmass":null,"alt":-44.1,"az":22.7,"t":"2040-06-01T07:15:00Z","terrain":1.11},{"above_terrain":false,"airmass":null,"alt":-43.72,"az":24.3,"t":"2040-06-01T07:20:00Z","terrain":1.02},{"above_terrain":false,"airmass":null,"alt":-43.33,"az":26.0,"t":"2040-06-01T07:25:00Z","terrain":1.34},{"above_terrain":false,"airmass":null,"alt":-42.9,"az":27.6,"t":"2040-06-01T07:30:00Z","terrain":1.23},{"above_terrain":false,"airmass":null,"alt":-42.46,"az":29.2,"t":"2040-06-01T07:35:00Z","terrain":1.03},{"above_terrain":false,"airmass":null,"alt":-41.99,"az":30.8,"t":"2040-06-01T07:40:00Z","terrain":1.27},{"above_terrain":false,"airmass":null,"alt":-41.5,"az":32.3,"t":"2040-06-01T07:45:00Z","terrain":1.23},{"above_terrain":false,"airmass":null,"alt":-40.99,"az":33.8,"t":"2040-06-01T07:50:00Z","terrain":0.53},{"above_terrain":false,"airmass":null,"alt":-40.46,"az":35.3,"t":"2040-06-01T07:55:00Z","terrain":0.04},{"above_terrain":false,"airmass":null,"alt":-39.91,"az":36.8,"t":"2040-06-01T08:00:00Z","terrain":-0.07},{"above_terrain":false,"airmass":null,"alt":-39.34,"az":38.2,"t":"2040-06-01T08:05:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-38.75,"az":39.7,"t":"2040-06-01T08:10:00Z","terrain":-0.09},{"above_terrain":false,"airmass":null,"alt":-38.14,"az":41.1,"t":"2040-06-01T08:15:00Z","terrain":0.03},{"above_terrain":false,"airmass":null,"alt":-37.52,"az":42.4,"t":"2040-06-01T08:20:00Z","terrain":0.18},{"above_terrain":false,"airmass":null,"alt":-36.88,"az":43.8,"t":"2040-06-01T08:25:00Z","terrain":0.38},{"above_terrain":false,"airmass":null,"alt":-36.23,"az":45.1,"t":"2040-06-01T08:30:00Z","terrain":0.59},{"above_terrain":false,"airmass":null,"alt":-35.56,"az":46.4,"t":"2040-06-01T08:35:00Z","terrain":0.64},{"above_terrain":false,"airmass":null,"alt":-34.87,"az":47.7,"t":"2040-06-01T08:40:00Z","terrain":0.55},{"above_terrain":false,"airmass":null,"alt":-34.17,"az":49.0,"t":"2040-06-01T08:45:00Z","terrain":0.41},{"above_terrain":false,"airmass":null,"alt":-33.46,"az":50.2,"t":"2040-06-01T08:50:00Z","terrain":0.43},{"above_terrain":false,"airmass":null,"alt":-32.73,"az":51.4,"t":"2040-06-01T08:55:00Z","terrain":0.57},{"above_terrain":false,"airmass":null,"alt":-31.99,"az":52.6,"t":"2040-06-01T09:00:00Z","terrain":0.76}],"transit":{"airmass":1.3,"alt":50.1,"az":180.9,"t":"2040-05-31T18:15:00Z"},"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."]}