{"assessment":{"best_window":{"end":"2030-05-10T01:15Z","end_local":"04:15","hours":3.0,"label":"good","mean_quality":0.87,"start":"2030-05-09T22:15Z","start_local":"01:15"},"cost":{"altitude":3.42,"clouds":0.0,"darkness":1.44,"moon":0.02},"formula":"astronomy = 100 * min(1, sky_hours / reference_hours) * peak_sky; overall = astronomy * score_weather / 100 (null when the weather is unknown)","hard_limit":null,"headline":"Astronomically worth it \u2014 weather unknown","hourly":[{"alt":-15,"cloud":null,"high":null,"iso":"2030-05-09T18:00Z","label":"unusable","low":null,"mid":null,"moon_alt":50,"precip":null,"q":0.0,"rh":null,"sky":"nautical twilight","temp":null,"time":"21:00","wind":null},{"alt":-7,"cloud":null,"high":null,"iso":"2030-05-09T19:00Z","label":"unusable","low":null,"mid":null,"moon_alt":40,"precip":null,"q":0.0,"rh":null,"sky":"astronomical twilight","temp":null,"time":"22:00","wind":null},{"alt":3,"cloud":null,"high":null,"iso":"2030-05-09T20:00Z","label":"unusable","low":null,"mid":null,"moon_alt":29,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":13,"cloud":null,"high":null,"iso":"2030-05-09T21:00Z","label":"unusable","low":null,"mid":null,"moon_alt":18,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":24,"cloud":null,"high":null,"iso":"2030-05-09T22:00Z","label":"marginal","low":null,"mid":null,"moon_alt":7,"precip":null,"q":0.52,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":35,"cloud":null,"high":null,"iso":"2030-05-09T23:00Z","label":"good","low":null,"mid":null,"moon_alt":-3,"precip":null,"q":0.83,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":46,"cloud":null,"high":null,"iso":"2030-05-10T00:00Z","label":"good","low":null,"mid":null,"moon_alt":-13,"precip":null,"q":0.91,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":57,"cloud":null,"high":null,"iso":"2030-05-10T01:00Z","label":"good","low":null,"mid":null,"moon_alt":-22,"precip":null,"q":0.98,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":66,"cloud":null,"high":null,"iso":"2030-05-10T02:00Z","label":"poor","low":null,"mid":null,"moon_alt":-29,"precip":null,"q":0.15,"rh":null,"sky":"nautical twilight","temp":null,"time":"05:00","wind":null},{"alt":71,"cloud":null,"high":null,"iso":"2030-05-10T03:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-34,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"06:00","wind":null}],"peak_quality":0.99,"peak_sky":0.99,"quality_hours":3.34,"reasons":["the target being low or below 20\u00b0 cost 3.4 quality-hours","daylight and twilight cost 1.4 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":83,"score_weather":null,"sky_hours":3.34,"verdict":"unknown","verdict_astronomy":"good","weather_known":false,"windows":[{"end":"2030-05-09T21:45Z","end_local":"00:45","hours":4.33,"label":"unusable","mean_quality":0.0,"start":"2030-05-09T17:25Z","start_local":"20:25"},{"end":"2030-05-09T22:15Z","end_local":"01:15","hours":0.5,"label":"marginal","mean_quality":0.51,"start":"2030-05-09T21:45Z","start_local":"00:45"},{"end":"2030-05-10T01:15Z","end_local":"04:15","hours":3.0,"label":"good","mean_quality":0.87,"start":"2030-05-09T22:15Z","start_local":"01:15"},{"end":"2030-05-10T02:00Z","end_local":"05:00","hours":0.75,"label":"marginal","mean_quality":0.5,"start":"2030-05-10T01:15Z","start_local":"04:15"},{"end":"2030-05-10T02:40Z","end_local":"05:40","hours":0.67,"label":"poor","mean_quality":0.15,"start":"2030-05-10T02:00Z","start_local":"05:00"},{"end":"2030-05-10T03:10Z","end_local":"06:10","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2030-05-10T02:40Z","start_local":"05:40"}]},"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":"2030-05-09T19:20:10Z","dark_hours":5.9,"dark_to":"2030-05-10T01:14:25Z","moon":{"illumination":0.42,"phase":"waxing crescent","waxing":true},"moon_free_dark_hours":2.57,"moonrise":null,"moonset":"2030-05-09T22:39:42Z","sunrise":"2030-05-10T03:06:54Z","sunset":"2030-05-09T17:27:40Z","twilight":{"astronomical":{"end":"2030-05-09T19:20:10Z","start":"2030-05-10T01:14:25Z"},"civil":{"end":"2030-05-09T17:58:49Z","start":"2030-05-10T02:35:45Z"},"nautical":{"end":"2030-05-09T18:37:23Z","start":"2030-05-10T01:57:12Z"}},"window_end":"2030-05-10T09:00:00Z","window_start":"2030-05-09T09:00:00Z"},"night_date":"2030-05-09","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.17,"alt":58.4,"t":"2030-05-10T01:10:00Z"},"dec":22.71085365,"dec_of_date":22.7962,"dec_str":"+22\u00b0 42' 39.1\"","good_hours":2.67,"limit_rise":"2030-05-09T21:40:14Z","limit_set":"2030-05-10T08:42:09Z","max_az_rate_deg_per_min":0.71,"moon_separation":142.0,"never_rises":false,"ra":300.18213726,"ra_of_date":300.5099,"ra_str":"20h 00m 43.7s","resolved":{"dec":22.71085365,"name":"HD 189733","ra":300.18213726,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=HD%20189733","source":"sesame","spectral_type":"K2V","type":"BY*","type_text":"BY Draconis variable \u2014 a spotted, rotating star","vmag":7.648},"summary":"Only 2.7 h above 30\u00b0, 3.5 h above 20\u00b0 \u2014 usable, at high airmass.","terrain":{"available":true,"behind_at":"2030-05-09T10:39:49Z","blocked_dark_hours":0,"clears_at":"2030-05-09T19:51:42Z","rise_az":285.3},"track":[{"above_terrain":true,"airmass":3.3,"alt":17.48,"az":285.3,"t":"2030-05-09T09:00:00Z","terrain":0.23},{"above_terrain":true,"airmass":3.47,"alt":16.57,"az":286.0,"t":"2030-05-09T09:05:00Z","terrain":0.23},{"above_terrain":true,"airmass":3.66,"alt":15.68,"az":286.8,"t":"2030-05-09T09:10:00Z","terrain":0.34},{"above_terrain":true,"airmass":3.87,"alt":14.78,"az":287.6,"t":"2030-05-09T09:15:00Z","terrain":0.26},{"above_terrain":true,"airmass":4.1,"alt":13.89,"az":288.3,"t":"2030-05-09T09:20:00Z","terrain":0.17},{"above_terrain":true,"airmass":4.36,"alt":13.01,"az":289.1,"t":"2030-05-09T09:25:00Z","terrain":0.19},{"above_terrain":true,"airmass":4.66,"alt":12.12,"az":289.8,"t":"2030-05-09T09:30:00Z","terrain":0.27},{"above_terrain":true,"airmass":5.01,"alt":11.24,"az":290.6,"t":"2030-05-09T09:35:00Z","terrain":0.41},{"above_terrain":true,"airmass":5.4,"alt":10.37,"az":291.4,"t":"2030-05-09T09:40:00Z","terrain":0.51},{"above_terrain":true,"airmass":5.86,"alt":9.5,"az":292.1,"t":"2030-05-09T09:45:00Z","terrain":0.51},{"above_terrain":true,"airmass":6.39,"alt":8.64,"az":292.9,"t":"2030-05-09T09:50:00Z","terrain":0.3},{"above_terrain":true,"airmass":7.03,"alt":7.78,"az":293.7,"t":"2030-05-09T09:55:00Z","terrain":0.26},{"above_terrain":true,"airmass":7.8,"alt":6.92,"az":294.5,"t":"2030-05-09T10:00:00Z","terrain":0.24},{"above_terrain":true,"airmass":8.75,"alt":6.07,"az":295.3,"t":"2030-05-09T10:05:00Z","terrain":0.26},{"above_terrain":true,"airmass":9.93,"alt":5.23,"az":296.1,"t":"2030-05-09T10:10:00Z","terrain":0.32},{"above_terrain":true,"airmass":11.44,"alt":4.39,"az":296.9,"t":"2030-05-09T10:15:00Z","terrain":0.27},{"above_terrain":true,"airmass":13.42,"alt":3.56,"az":297.7,"t":"2030-05-09T10:20:00Z","terrain":0.17},{"above_terrain":true,"airmass":16.11,"alt":2.73,"az":298.5,"t":"2030-05-09T10:25:00Z","terrain":0.14},{"above_terrain":true,"airmass":19.89,"alt":1.92,"az":299.3,"t":"2030-05-09T10:30:00Z","terrain":0.23},{"above_terrain":true,"airmass":25.43,"alt":1.1,"az":300.1,"t":"2030-05-09T10:35:00Z","terrain":0.36},{"above_terrain":false,"airmass":33.82,"alt":0.3,"az":300.9,"t":"2030-05-09T10:40:00Z","terrain":0.32},{"above_terrain":false,"airmass":null,"alt":-0.5,"az":301.8,"t":"2030-05-09T10:45:00Z","terrain":0.13},{"above_terrain":false,"airmass":null,"alt":-1.29,"az":302.6,"t":"2030-05-09T10:50:00Z","terrain":-0.11},{"above_terrain":false,"airmass":null,"alt":-2.08,"az":303.5,"t":"2030-05-09T10:55:00Z","terrain":-0.17},{"above_terrain":false,"airmass":null,"alt":-2.86,"az":304.3,"t":"2030-05-09T11:00:00Z","terrain":-0.16},{"above_terrain":false,"airmass":null,"alt":-3.63,"az":305.2,"t":"2030-05-09T11:05:00Z","terrain":-0.27},{"above_terrain":false,"airmass":null,"alt":-4.39,"az":306.1,"t":"2030-05-09T11:10:00Z","terrain":-0.15},{"above_terrain":false,"airmass":null,"alt":-5.14,"az":306.9,"t":"2030-05-09T11:15:00Z","terrain":0.16},{"above_terrain":false,"airmass":null,"alt":-5.88,"az":307.8,"t":"2030-05-09T11:20:00Z","terrain":0.3},{"above_terrain":false,"airmass":null,"alt":-6.62,"az":308.7,"t":"2030-05-09T11:25:00Z","terrain":0.21},{"above_terrain":false,"airmass":null,"alt":-7.34,"az":309.6,"t":"2030-05-09T11:30:00Z","terrain":0.2},{"above_terrain":false,"airmass":null,"alt":-8.06,"az":310.6,"t":"2030-05-09T11:35:00Z","terrain":0.3},{"above_terrain":false,"airmass":null,"alt":-8.76,"az":311.5,"t":"2030-05-09T11:40:00Z","terrain":0.25},{"above_terrain":false,"airmass":null,"alt":-9.46,"az":312.4,"t":"2030-05-09T11:45:00Z","terrain":0.19},{"above_terrain":false,"airmass":null,"alt":-10.15,"az":313.4,"t":"2030-05-09T11:50:00Z","terrain":0.34},{"above_terrain":false,"airmass":null,"alt":-10.82,"az":314.3,"t":"2030-05-09T11:55:00Z","terrain":0.5},{"above_terrain":false,"airmass":null,"alt":-11.49,"az":315.3,"t":"2030-05-09T12:00:00Z","terrain":0.54},{"above_terrain":false,"airmass":null,"alt":-12.14,"az":316.2,"t":"2030-05-09T12:05:00Z","terrain":0.44},{"above_terrain":false,"airmass":null,"alt":-12.78,"az":317.2,"t":"2030-05-09T12:10:00Z","terrain":0.31},{"above_terrain":false,"airmass":null,"alt":-13.41,"az":318.2,"t":"2030-05-09T12:15:00Z","terrain":0.22},{"above_terrain":false,"airmass":null,"alt":-14.03,"az":319.2,"t":"2030-05-09T12:20:00Z","terrain":-0.15},{"above_terrain":false,"airmass":null,"alt":-14.63,"az":320.2,"t":"2030-05-09T12:25:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-15.22,"az":321.3,"t":"2030-05-09T12:30:00Z","terrain":-0.09},{"above_terrain":false,"airmass":null,"alt":-15.8,"az":322.3,"t":"2030-05-09T12:35:00Z","terrain":0.17},{"above_terrain":false,"airmass":null,"alt":-16.37,"az":323.4,"t":"2030-05-09T12:40:00Z","terrain":-0.02},{"above_terrain":false,"airmass":null,"alt":-16.92,"az":324.4,"t":"2030-05-09T12:45:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-17.46,"az":325.5,"t":"2030-05-09T12:50:00Z","terrain":-0.21},{"above_terrain":false,"airmass":null,"alt":-17.98,"az":326.6,"t":"2030-05-09T12:55:00Z","terrain":-0.33},{"above_terrain":false,"airmass":null,"alt":-18.49,"az":327.7,"t":"2030-05-09T13:00:00Z","terrain":-0.28},{"above_terrain":false,"airmass":null,"alt":-18.98,"az":328.8,"t":"2030-05-09T13:05:00Z","terrain":-0.15},{"above_terrain":false,"airmass":null,"alt":-19.46,"az":329.9,"t":"2030-05-09T13:10:00Z","terrain":-0.32},{"above_terrain":false,"airmass":null,"alt":-19.92,"az":331.0,"t":"2030-05-09T13:15:00Z","terrain":-0.39},{"above_terrain":false,"airmass":null,"alt":-20.37,"az":332.1,"t":"2030-05-09T13:20:00Z","terrain":-0.14},{"above_terrain":false,"airmass":null,"alt":-20.79,"az":333.3,"t":"2030-05-09T13:25:00Z","terrain":-0.15},{"above_terrain":false,"airmass":null,"alt":-21.21,"az":334.4,"t":"2030-05-09T13:30:00Z","terrain":-0.39},{"above_terrain":false,"airmass":null,"alt":-21.6,"az":335.6,"t":"2030-05-09T13:35:00Z","terrain":-0.74},{"above_terrain":false,"airmass":null,"alt":-21.98,"az":336.8,"t":"2030-05-09T13:40:00Z","terrain":-0.75},{"above_terrain":false,"airmass":null,"alt":-22.34,"az":338.0,"t":"2030-05-09T13:45:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-22.68,"az":339.2,"t":"2030-05-09T13:50:00Z","terrain":-0.71},{"above_terrain":false,"airmass":null,"alt":-23.01,"az":340.4,"t":"2030-05-09T13:55:00Z","terrain":-0.5},{"above_terrain":false,"airmass":null,"alt":-23.31,"az":341.6,"t":"2030-05-09T14:00:00Z","terrain":-0.47},{"above_terrain":false,"airmass":null,"alt":-23.6,"az":342.8,"t":"2030-05-09T14:05:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-23.86,"az":344.0,"t":"2030-05-09T14:10:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-24.11,"az":345.3,"t":"2030-05-09T14:15:00Z","terrain":-0.44},{"above_terrain":false,"airmass":null,"alt":-24.34,"az":346.5,"t":"2030-05-09T14:20:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-24.55,"az":347.8,"t":"2030-05-09T14:25:00Z","terrain":-0.21},{"above_terrain":false,"airmass":null,"alt":-24.74,"az":349.0,"t":"2030-05-09T14:30:00Z","terrain":0.0},{"above_terrain":false,"airmass":null,"alt":-24.9,"az":350.3,"t":"2030-05-09T14:35:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-25.05,"az":351.5,"t":"2030-05-09T14:40:00Z","terrain":0.21},{"above_terrain":false,"airmass":null,"alt":-25.18,"az":352.8,"t":"2030-05-09T14:45:00Z","terrain":0.46},{"above_terrain":false,"airmass":null,"alt":-25.29,"az":354.1,"t":"2030-05-09T14:50:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-25.37,"az":355.4,"t":"2030-05-09T14:55:00Z","terrain":0.67},{"above_terrain":false,"airmass":null,"alt":-25.44,"az":356.6,"t":"2030-05-09T15:00:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-25.48,"az":357.9,"t":"2030-05-09T15:05:00Z","terrain":0.63},{"above_terrain":false,"airmass":null,"alt":-25.51,"az":359.2,"t":"2030-05-09T15:10:00Z","terrain":0.6},{"above_terrain":false,"airmass":null,"alt":-25.51,"az":0.5,"t":"2030-05-09T15:15:00Z","terrain":0.44},{"above_terrain":false,"airmass":null,"alt":-25.49,"az":1.7,"t":"2030-05-09T15:20:00Z","terrain":0.18},{"above_terrain":false,"airmass":null,"alt":-25.45,"az":3.0,"t":"2030-05-09T15:25:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-25.39,"az":4.3,"t":"2030-05-09T15:30:00Z","terrain":-0.33},{"above_terrain":false,"airmass":null,"alt":-25.31,"az":5.6,"t":"2030-05-09T15:35:00Z","terrain":-0.52},{"above_terrain":false,"airmass":null,"alt":-25.21,"az":6.9,"t":"2030-05-09T15:40:00Z","terrain":-0.44},{"above_terrain":false,"airmass":null,"alt":-25.09,"az":8.1,"t":"2030-05-09T15:45:00Z","terrain":-0.44},{"above_terrain":false,"airmass":null,"alt":-24.95,"az":9.4,"t":"2030-05-09T15:50:00Z","terrain":-0.64},{"above_terrain":false,"airmass":null,"alt":-24.78,"az":10.7,"t":"2030-05-09T15:55:00Z","terrain":-0.47},{"above_terrain":false,"airmass":null,"alt":-24.6,"az":11.9,"t":"2030-05-09T16:00:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-24.4,"az":13.2,"t":"2030-05-09T16:05:00Z","terrain":-0.04},{"above_terrain":false,"airmass":null,"alt":-24.17,"az":14.4,"t":"2030-05-09T16:10:00Z","terrain":0.22},{"above_terrain":false,"airmass":null,"alt":-23.93,"az":15.6,"t":"2030-05-09T16:15:00Z","terrain":0.46},{"above_terrain":false,"airmass":null,"alt":-23.67,"az":16.9,"t":"2030-05-09T16:20:00Z","terrain":0.47},{"above_terrain":false,"airmass":null,"alt":-23.39,"az":18.1,"t":"2030-05-09T16:25:00Z","terrain":0.54},{"above_terrain":false,"airmass":null,"alt":-23.09,"az":19.3,"t":"2030-05-09T16:30:00Z","terrain":0.64},{"above_terrain":false,"airmass":null,"alt":-22.77,"az":20.5,"t":"2030-05-09T16:35:00Z","terrain":0.68},{"above_terrain":false,"airmass":null,"alt":-22.43,"az":21.7,"t":"2030-05-09T16:40:00Z","terrain":0.9},{"above_terrain":false,"airmass":null,"alt":-22.08,"az":22.9,"t":"2030-05-09T16:45:00Z","terrain":1.14},{"above_terrain":false,"airmass":null,"alt":-21.7,"az":24.1,"t":"2030-05-09T16:50:00Z","terrain":0.94},{"above_terrain":false,"airmass":null,"alt":-21.31,"az":25.2,"t":"2030-05-09T16:55:00Z","terrain":1.25},{"above_terrain":false,"airmass":null,"alt":-20.91,"az":26.4,"t":"2030-05-09T17:00:00Z","terrain":1.32},{"above_terrain":false,"airmass":null,"alt":-20.48,"az":27.6,"t":"2030-05-09T17:05:00Z","terrain":1.23},{"above_terrain":false,"airmass":null,"alt":-20.04,"az":28.7,"t":"2030-05-09T17:10:00Z","terrain":1.06},{"above_terrain":false,"airmass":null,"alt":-19.58,"az":29.8,"t":"2030-05-09T17:15:00Z","terrain":1.12},{"above_terrain":false,"airmass":null,"alt":-19.11,"az":30.9,"t":"2030-05-09T17:20:00Z","terrain":1.3},{"above_terrain":false,"airmass":null,"alt":-18.62,"az":32.0,"t":"2030-05-09T17:25:00Z","terrain":1.32},{"above_terrain":false,"airmass":null,"alt":-18.12,"az":33.1,"t":"2030-05-09T17:30:00Z","terrain":0.91},{"above_terrain":false,"airmass":null,"alt":-17.6,"az":34.2,"t":"2030-05-09T17:35:00Z","terrain":0.35},{"above_terrain":false,"airmass":null,"alt":-17.06,"az":35.3,"t":"2030-05-09T17:40:00Z","terrain":0.04},{"above_terrain":false,"airmass":null,"alt":-16.52,"az":36.4,"t":"2030-05-09T17:45:00Z","terrain":-0.01},{"above_terrain":false,"airmass":null,"alt":-15.95,"az":37.4,"t":"2030-05-09T17:50:00Z","terrain":-0.14},{"above_terrain":false,"airmass":null,"alt":-15.38,"az":38.5,"t":"2030-05-09T17:55:00Z","terrain":-0.19},{"above_terrain":false,"airmass":null,"alt":-14.79,"az":39.5,"t":"2030-05-09T18:00:00Z","terrain":-0.11},{"above_terrain":false,"airmass":null,"alt":-14.19,"az":40.5,"t":"2030-05-09T18:05:00Z","terrain":-0.02},{"above_terrain":false,"airmass":null,"alt":-13.57,"az":41.5,"t":"2030-05-09T18:10:00Z","terrain":0.07},{"above_terrain":false,"airmass":null,"alt":-12.95,"az":42.5,"t":"2030-05-09T18:15:00Z","terrain":0.19},{"above_terrain":false,"airmass":null,"alt":-12.31,"az":43.5,"t":"2030-05-09T18:20:00Z","terrain":0.33},{"above_terrain":false,"airmass":null,"alt":-11.66,"az":44.5,"t":"2030-05-09T18:25:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-11.0,"az":45.4,"t":"2030-05-09T18:30:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-10.33,"az":46.4,"t":"2030-05-09T18:35:00Z","terrain":0.65},{"above_terrain":false,"airmass":null,"alt":-9.64,"az":47.3,"t":"2030-05-09T18:40:00Z","terrain":0.58},{"above_terrain":false,"airmass":null,"alt":-8.95,"az":48.3,"t":"2030-05-09T18:45:00Z","terrain":0.5},{"above_terrain":false,"airmass":null,"alt":-8.25,"az":49.2,"t":"2030-05-09T18:50:00Z","terrain":0.41},{"above_terrain":false,"airmass":null,"alt":-7.53,"az":50.1,"t":"2030-05-09T18:55:00Z","terrain":0.42},{"above_terrain":false,"airmass":null,"alt":-6.81,"az":51.0,"t":"2030-05-09T19:00:00Z","terrain":0.53},{"above_terrain":false,"airmass":null,"alt":-6.08,"az":51.9,"t":"2030-05-09T19:05:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-5.34,"az":52.8,"t":"2030-05-09T19:10:00Z","terrain":0.8},{"above_terrain":false,"airmass":null,"alt":-4.59,"az":53.7,"t":"2030-05-09T19:15:00Z","terrain":0.95},{"above_terrain":false,"airmass":null,"alt":-3.83,"az":54.6,"t":"2030-05-09T19:20:00Z","terrain":1.05},{"above_terrain":false,"airmass":null,"alt":-3.06,"az":55.4,"t":"2030-05-09T19:25:00Z","terrain":1.07},{"above_terrain":false,"airmass":null,"alt":-2.29,"az":56.3,"t":"2030-05-09T19:30:00Z","terrain":1.06},{"above_terrain":false,"airmass":null,"alt":-1.5,"az":57.1,"t":"2030-05-09T19:35:00Z","terrain":1.1},{"above_terrain":false,"airmass":null,"alt":-0.71,"az":58.0,"t":"2030-05-09T19:40:00Z","terrain":1.25},{"above_terrain":false,"airmass":36.71,"alt":0.08,"az":58.8,"t":"2030-05-09T19:45:00Z","terrain":1.22},{"above_terrain":false,"airmass":27.33,"alt":0.89,"az":59.7,"t":"2030-05-09T19:50:00Z","terrain":1.18},{"above_terrain":true,"airmass":21.16,"alt":1.7,"az":60.5,"t":"2030-05-09T19:55:00Z","terrain":1.13},{"above_terrain":true,"airmass":16.99,"alt":2.52,"az":61.3,"t":"2030-05-09T20:00:00Z","terrain":1.07},{"above_terrain":true,"airmass":14.06,"alt":3.34,"az":62.1,"t":"2030-05-09T20:05:00Z","terrain":1.0},{"above_terrain":true,"airmass":11.91,"alt":4.17,"az":62.9,"t":"2030-05-09T20:10:00Z","terrain":0.92},{"above_terrain":true,"airmass":10.29,"alt":5.01,"az":63.7,"t":"2030-05-09T20:15:00Z","terrain":0.81},{"above_terrain":true,"airmass":9.04,"alt":5.85,"az":64.5,"t":"2030-05-09T20:20:00Z","terrain":0.77},{"above_terrain":true,"airmass":8.04,"alt":6.7,"az":65.3,"t":"2030-05-09T20:25:00Z","terrain":0.79},{"above_terrain":true,"airmass":7.22,"alt":7.55,"az":66.1,"t":"2030-05-09T20:30:00Z","terrain":0.84},{"above_terrain":true,"airmass":6.55,"alt":8.41,"az":66.9,"t":"2030-05-09T20:35:00Z","terrain":0.92},{"above_terrain":true,"airmass":5.99,"alt":9.27,"az":67.6,"t":"2030-05-09T20:40:00Z","terrain":0.97},{"above_terrain":true,"airmass":5.51,"alt":10.14,"az":68.4,"t":"2030-05-09T20:45:00Z","terrain":1.02},{"above_terrain":true,"airmass":5.11,"alt":11.01,"az":69.2,"t":"2030-05-09T20:50:00Z","terrain":1.08},{"above_terrain":true,"airmass":4.75,"alt":11.89,"az":70.0,"t":"2030-05-09T20:55:00Z","terrain":1.21},{"above_terrain":true,"airmass":4.44,"alt":12.77,"az":70.7,"t":"2030-05-09T21:00:00Z","terrain":1.25},{"above_terrain":true,"airmass":4.17,"alt":13.66,"az":71.5,"t":"2030-05-09T21:05:00Z","terrain":1.23},{"above_terrain":true,"airmass":3.93,"alt":14.54,"az":72.2,"t":"2030-05-09T21:10:00Z","terrain":1.15},{"above_terrain":true,"airmass":3.71,"alt":15.44,"az":73.0,"t":"2030-05-09T21:15:00Z","terrain":0.99},{"above_terrain":true,"airmass":3.52,"alt":16.33,"az":73.8,"t":"2030-05-09T21:20:00Z","terrain":0.79},{"above_terrain":true,"airmass":3.34,"alt":17.24,"az":74.5,"t":"2030-05-09T21:25:00Z","terrain":0.68},{"above_terrain":true,"airmass":3.18,"alt":18.14,"az":75.3,"t":"2030-05-09T21:30:00Z","terrain":0.65},{"above_terrain":true,"airmass":3.04,"alt":19.05,"az":76.0,"t":"2030-05-09T21:35:00Z","terrain":0.72},{"above_terrain":true,"airmass":2.91,"alt":19.96,"az":76.8,"t":"2030-05-09T21:40:00Z","terrain":0.7},{"above_terrain":true,"airmass":2.79,"alt":20.87,"az":77.5,"t":"2030-05-09T21:45:00Z","terrain":0.66},{"above_terrain":true,"airmass":2.68,"alt":21.78,"az":78.3,"t":"2030-05-09T21:50:00Z","terrain":0.61},{"above_terrain":true,"airmass":2.58,"alt":22.7,"az":79.1,"t":"2030-05-09T21:55:00Z","terrain":0.56},{"above_terrain":true,"airmass":2.48,"alt":23.62,"az":79.8,"t":"2030-05-09T22:00:00Z","terrain":0.48},{"above_terrain":true,"airmass":2.4,"alt":24.54,"az":80.6,"t":"2030-05-09T22:05:00Z","terrain":0.59},{"above_terrain":true,"airmass":2.32,"alt":25.47,"az":81.3,"t":"2030-05-09T22:10:00Z","terrain":0.72},{"above_terrain":true,"airmass":2.24,"alt":26.39,"az":82.1,"t":"2030-05-09T22:15:00Z","terrain":0.76},{"above_terrain":true,"airmass":2.17,"alt":27.32,"az":82.9,"t":"2030-05-09T22:20:00Z","terrain":0.51},{"above_terrain":true,"airmass":2.11,"alt":28.25,"az":83.7,"t":"2030-05-09T22:25:00Z","terrain":0.41},{"above_terrain":true,"airmass":2.04,"alt":29.18,"az":84.4,"t":"2030-05-09T22:30:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.99,"alt":30.11,"az":85.2,"t":"2030-05-09T22:35:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.93,"alt":31.05,"az":86.0,"t":"2030-05-09T22:40:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.88,"alt":31.98,"az":86.8,"t":"2030-05-09T22:45:00Z","terrain":0.09},{"above_terrain":true,"airmass":1.84,"alt":32.92,"az":87.6,"t":"2030-05-09T22:50:00Z","terrain":-0.02},{"above_terrain":true,"airmass":1.79,"alt":33.85,"az":88.4,"t":"2030-05-09T22:55:00Z","terrain":-0.13},{"above_terrain":true,"airmass":1.75,"alt":34.79,"az":89.3,"t":"2030-05-09T23:00:00Z","terrain":-0.21},{"above_terrain":true,"airmass":1.71,"alt":35.72,"az":90.1,"t":"2030-05-09T23:05:00Z","terrain":-0.21},{"above_terrain":true,"airmass":1.67,"alt":36.66,"az":90.9,"t":"2030-05-09T23:10:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.64,"alt":37.6,"az":91.8,"t":"2030-05-09T23:15:00Z","terrain":0.06},{"above_terrain":true,"airmass":1.6,"alt":38.53,"az":92.6,"t":"2030-05-09T23:20:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.57,"alt":39.47,"az":93.5,"t":"2030-05-09T23:25:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.54,"alt":40.4,"az":94.4,"t":"2030-05-09T23:30:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.51,"alt":41.33,"az":95.3,"t":"2030-05-09T23:35:00Z","terrain":0.43},{"above_terrain":true,"airmass":1.48,"alt":42.26,"az":96.2,"t":"2030-05-09T23:40:00Z","terrain":0.59},{"above_terrain":true,"airmass":1.46,"alt":43.19,"az":97.2,"t":"2030-05-09T23:45:00Z","terrain":0.72},{"above_terrain":true,"airmass":1.43,"alt":44.12,"az":98.1,"t":"2030-05-09T23:50:00Z","terrain":0.66},{"above_terrain":true,"airmass":1.41,"alt":45.05,"az":99.1,"t":"2030-05-09T23:55:00Z","terrain":0.46},{"above_terrain":true,"airmass":1.39,"alt":45.97,"az":100.1,"t":"2030-05-10T00:00:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.37,"alt":46.89,"az":101.1,"t":"2030-05-10T00:05:00Z","terrain":0.07},{"above_terrain":true,"airmass":1.35,"alt":47.81,"az":102.1,"t":"2030-05-10T00:10:00Z","terrain":-0.06},{"above_terrain":true,"airmass":1.33,"alt":48.72,"az":103.2,"t":"2030-05-10T00:15:00Z","terrain":-0.18},{"above_terrain":true,"airmass":1.31,"alt":49.63,"az":104.3,"t":"2030-05-10T00:20:00Z","terrain":-0.05},{"above_terrain":true,"airmass":1.29,"alt":50.53,"az":105.4,"t":"2030-05-10T00:25:00Z","terrain":-0.38},{"above_terrain":true,"airmass":1.28,"alt":51.43,"az":106.5,"t":"2030-05-10T00:30:00Z","terrain":-0.62},{"above_terrain":true,"airmass":1.26,"alt":52.33,"az":107.7,"t":"2030-05-10T00:35:00Z","terrain":-0.84},{"above_terrain":true,"airmass":1.25,"alt":53.21,"az":109.0,"t":"2030-05-10T00:40:00Z","terrain":-1.18},{"above_terrain":true,"airmass":1.23,"alt":54.1,"az":110.2,"t":"2030-05-10T00:45:00Z","terrain":-1.19},{"above_terrain":true,"airmass":1.22,"alt":54.97,"az":111.5,"t":"2030-05-10T00:50:00Z","terrain":-1.36},{"above_terrain":true,"airmass":1.21,"alt":55.84,"az":112.9,"t":"2030-05-10T00:55:00Z","terrain":-1.43},{"above_terrain":true,"airmass":1.2,"alt":56.7,"az":114.3,"t":"2030-05-10T01:00:00Z","terrain":-1.59},{"above_terrain":true,"airmass":1.18,"alt":57.54,"az":115.7,"t":"2030-05-10T01:05:00Z","terrain":-1.48},{"above_terrain":true,"airmass":1.17,"alt":58.38,"az":117.2,"t":"2030-05-10T01:10:00Z","terrain":-1.59},{"above_terrain":true,"airmass":1.16,"alt":59.21,"az":118.8,"t":"2030-05-10T01:15:00Z","terrain":-1.47},{"above_terrain":true,"airmass":1.15,"alt":60.02,"az":120.4,"t":"2030-05-10T01:20:00Z","terrain":-1.24},{"above_terrain":true,"airmass":1.14,"alt":60.82,"az":122.1,"t":"2030-05-10T01:25:00Z","terrain":-1.2},{"above_terrain":true,"airmass":1.14,"alt":61.61,"az":123.8,"t":"2030-05-10T01:30:00Z","terrain":-1.46},{"above_terrain":true,"airmass":1.13,"alt":62.38,"az":125.7,"t":"2030-05-10T01:35:00Z","terrain":-1.61},{"above_terrain":true,"airmass":1.12,"alt":63.13,"az":127.6,"t":"2030-05-10T01:40:00Z","terrain":-1.46},{"above_terrain":true,"airmass":1.11,"alt":63.86,"az":129.6,"t":"2030-05-10T01:45:00Z","terrain":-1.38},{"above_terrain":true,"airmass":1.11,"alt":64.57,"az":131.7,"t":"2030-05-10T01:50:00Z","terrain":-1.66},{"above_terrain":true,"airmass":1.1,"alt":65.26,"az":133.9,"t":"2030-05-10T01:55:00Z","terrain":-1.55},{"above_terrain":true,"airmass":1.09,"alt":65.92,"az":136.2,"t":"2030-05-10T02:00:00Z","terrain":-1.2},{"above_terrain":true,"airmass":1.09,"alt":66.55,"az":138.6,"t":"2030-05-10T02:05:00Z","terrain":-1.25},{"above_terrain":true,"airmass":1.08,"alt":67.16,"az":141.1,"t":"2030-05-10T02:10:00Z","terrain":-1.12},{"above_terrain":true,"airmass":1.08,"alt":67.73,"az":143.7,"t":"2030-05-10T02:15:00Z","terrain":-1.34},{"above_terrain":true,"airmass":1.08,"alt":68.26,"az":146.4,"t":"2030-05-10T02:20:00Z","terrain":-1.42},{"above_terrain":true,"airmass":1.07,"alt":68.76,"az":149.3,"t":"2030-05-10T02:25:00Z","terrain":-1.37},{"above_terrain":true,"airmass":1.07,"alt":69.22,"az":152.2,"t":"2030-05-10T02:30:00Z","terrain":-1.18},{"above_terrain":true,"airmass":1.07,"alt":69.63,"az":155.3,"t":"2030-05-10T02:35:00Z","terrain":-1.13},{"above_terrain":true,"airmass":1.06,"alt":70.0,"az":158.5,"t":"2030-05-10T02:40:00Z","terrain":-1.19},{"above_terrain":true,"airmass":1.06,"alt":70.32,"az":161.8,"t":"2030-05-10T02:45:00Z","terrain":-1.32},{"above_terrain":true,"airmass":1.06,"alt":70.59,"az":165.1,"t":"2030-05-10T02:50:00Z","terrain":-1.37},{"above_terrain":true,"airmass":1.06,"alt":70.8,"az":168.5,"t":"2030-05-10T02:55:00Z","terrain":-0.88},{"above_terrain":true,"airmass":1.06,"alt":70.96,"az":172.0,"t":"2030-05-10T03:00:00Z","terrain":-0.58},{"above_terrain":true,"airmass":1.06,"alt":71.06,"az":175.6,"t":"2030-05-10T03:05:00Z","terrain":-0.43},{"above_terrain":true,"airmass":1.06,"alt":71.1,"az":179.1,"t":"2030-05-10T03:10:00Z","terrain":-0.44},{"above_terrain":true,"airmass":1.06,"alt":71.09,"az":182.7,"t":"2030-05-10T03:15:00Z","terrain":-0.63},{"above_terrain":true,"airmass":1.06,"alt":71.01,"az":186.3,"t":"2030-05-10T03:20:00Z","terrain":-0.7},{"above_terrain":true,"airmass":1.06,"alt":70.88,"az":189.8,"t":"2030-05-10T03:25:00Z","terrain":-0.57},{"above_terrain":true,"airmass":1.06,"alt":70.7,"az":193.2,"t":"2030-05-10T03:30:00Z","terrain":-0.46},{"above_terrain":true,"airmass":1.06,"alt":70.45,"az":196.6,"t":"2030-05-10T03:35:00Z","terrain":-0.51},{"above_terrain":true,"airmass":1.06,"alt":70.16,"az":200.0,"t":"2030-05-10T03:40:00Z","terrain":-0.25},{"above_terrain":true,"airmass":1.06,"alt":69.82,"az":203.2,"t":"2030-05-10T03:45:00Z","terrain":-0.63},{"above_terrain":true,"airmass":1.07,"alt":69.42,"az":206.3,"t":"2030-05-10T03:50:00Z","terrain":0.13},{"above_terrain":true,"airmass":1.07,"alt":68.99,"az":209.3,"t":"2030-05-10T03:55:00Z","terrain":0.42},{"above_terrain":true,"airmass":1.07,"alt":68.51,"az":212.2,"t":"2030-05-10T04:00:00Z","terrain":0.42},{"above_terrain":true,"airmass":1.08,"alt":67.99,"az":215.0,"t":"2030-05-10T04:05:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.08,"alt":67.44,"az":217.7,"t":"2030-05-10T04:10:00Z","terrain":1.18},{"above_terrain":true,"airmass":1.09,"alt":66.85,"az":220.2,"t":"2030-05-10T04:15:00Z","terrain":1.19},{"above_terrain":true,"airmass":1.09,"alt":66.23,"az":222.7,"t":"2030-05-10T04:20:00Z","terrain":0.83},{"above_terrain":true,"airmass":1.1,"alt":65.58,"az":225.0,"t":"2030-05-10T04:25:00Z","terrain":0.39},{"above_terrain":true,"airmass":1.1,"alt":64.9,"az":227.3,"t":"2030-05-10T04:30:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.11,"alt":64.2,"az":229.4,"t":"2030-05-10T04:35:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.12,"alt":63.48,"az":231.5,"t":"2030-05-10T04:40:00Z","terrain":0.88},{"above_terrain":true,"airmass":1.12,"alt":62.74,"az":233.4,"t":"2030-05-10T04:45:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.13,"alt":61.98,"az":235.3,"t":"2030-05-10T04:50:00Z","terrain":0.92},{"above_terrain":true,"airmass":1.14,"alt":61.2,"az":237.1,"t":"2030-05-10T04:55:00Z","terrain":0.83},{"above_terrain":true,"airmass":1.15,"alt":60.41,"az":238.8,"t":"2030-05-10T05:00:00Z","terrain":0.56},{"above_terrain":true,"airmass":1.16,"alt":59.6,"az":240.5,"t":"2030-05-10T05:05:00Z","terrain":0.78},{"above_terrain":true,"airmass":1.17,"alt":58.78,"az":242.1,"t":"2030-05-10T05:10:00Z","terrain":1.04},{"above_terrain":true,"airmass":1.18,"alt":57.95,"az":243.6,"t":"2030-05-10T05:15:00Z","terrain":0.97},{"above_terrain":true,"airmass":1.19,"alt":57.1,"az":245.1,"t":"2030-05-10T05:20:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.2,"alt":56.25,"az":246.5,"t":"2030-05-10T05:25:00Z","terrain":1.1},{"above_terrain":true,"airmass":1.21,"alt":55.39,"az":247.8,"t":"2030-05-10T05:30:00Z","terrain":0.65},{"above_terrain":true,"airmass":1.23,"alt":54.52,"az":249.2,"t":"2030-05-10T05:35:00Z","terrain":0.51},{"above_terrain":true,"airmass":1.24,"alt":53.64,"az":250.4,"t":"2030-05-10T05:40:00Z","terrain":0.57},{"above_terrain":true,"airmass":1.26,"alt":52.75,"az":251.7,"t":"2030-05-10T05:45:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.27,"alt":51.86,"az":252.9,"t":"2030-05-10T05:50:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.29,"alt":50.96,"az":254.1,"t":"2030-05-10T05:55:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.3,"alt":50.06,"az":255.2,"t":"2030-05-10T06:00:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.32,"alt":49.15,"az":256.3,"t":"2030-05-10T06:05:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.34,"alt":48.24,"az":257.4,"t":"2030-05-10T06:10:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.36,"alt":47.33,"az":258.4,"t":"2030-05-10T06:15:00Z","terrain":0.41},{"above_terrain":true,"airmass":1.38,"alt":46.41,"az":259.4,"t":"2030-05-10T06:20:00Z","terrain":0.52},{"above_terrain":true,"airmass":1.4,"alt":45.49,"az":260.4,"t":"2030-05-10T06:25:00Z","terrain":0.69},{"above_terrain":true,"airmass":1.42,"alt":44.56,"az":261.4,"t":"2030-05-10T06:30:00Z","terrain":0.9},{"above_terrain":true,"airmass":1.45,"alt":43.64,"az":262.4,"t":"2030-05-10T06:35:00Z","terrain":0.91},{"above_terrain":true,"airmass":1.47,"alt":42.71,"az":263.3,"t":"2030-05-10T06:40:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.5,"alt":41.78,"az":264.3,"t":"2030-05-10T06:45:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.53,"alt":40.85,"az":265.2,"t":"2030-05-10T06:50:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.56,"alt":39.91,"az":266.1,"t":"2030-05-10T06:55:00Z","terrain":0.48},{"above_terrain":true,"airmass":1.59,"alt":38.98,"az":266.9,"t":"2030-05-10T07:00:00Z","terrain":0.56},{"above_terrain":true,"airmass":1.62,"alt":38.04,"az":267.8,"t":"2030-05-10T07:05:00Z","terrain":0.63},{"above_terrain":true,"airmass":1.65,"alt":37.11,"az":268.7,"t":"2030-05-10T07:10:00Z","terrain":0.72},{"above_terrain":true,"airmass":1.69,"alt":36.17,"az":269.5,"t":"2030-05-10T07:15:00Z","terrain":0.83},{"above_terrain":true,"airmass":1.73,"alt":35.24,"az":270.3,"t":"2030-05-10T07:20:00Z","terrain":0.86},{"above_terrain":true,"airmass":1.77,"alt":34.3,"az":271.2,"t":"2030-05-10T07:25:00Z","terrain":0.72},{"above_terrain":true,"airmass":1.81,"alt":33.37,"az":272.0,"t":"2030-05-10T07:30:00Z","terrain":0.42},{"above_terrain":true,"airmass":1.86,"alt":32.43,"az":272.8,"t":"2030-05-10T07:35:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.91,"alt":31.5,"az":273.6,"t":"2030-05-10T07:40:00Z","terrain":0.04},{"above_terrain":true,"airmass":1.96,"alt":30.56,"az":274.4,"t":"2030-05-10T07:45:00Z","terrain":0.02},{"above_terrain":true,"airmass":2.02,"alt":29.63,"az":275.2,"t":"2030-05-10T07:50:00Z","terrain":0.07},{"above_terrain":true,"airmass":2.08,"alt":28.7,"az":276.0,"t":"2030-05-10T07:55:00Z","terrain":-0.01},{"above_terrain":true,"airmass":2.14,"alt":27.77,"az":276.7,"t":"2030-05-10T08:00:00Z","terrain":-0.11},{"above_terrain":true,"airmass":2.21,"alt":26.84,"az":277.5,"t":"2030-05-10T08:05:00Z","terrain":-0.11},{"above_terrain":true,"airmass":2.28,"alt":25.91,"az":278.3,"t":"2030-05-10T08:10:00Z","terrain":-0.06},{"above_terrain":true,"airmass":2.36,"alt":24.99,"az":279.1,"t":"2030-05-10T08:15:00Z","terrain":-0.03},{"above_terrain":true,"airmass":2.44,"alt":24.06,"az":279.8,"t":"2030-05-10T08:20:00Z","terrain":-0.11},{"above_terrain":true,"airmass":2.53,"alt":23.14,"az":280.6,"t":"2030-05-10T08:25:00Z","terrain":-0.04},{"above_terrain":true,"airmass":2.63,"alt":22.22,"az":281.3,"t":"2030-05-10T08:30:00Z","terrain":-0.02},{"above_terrain":true,"airmass":2.74,"alt":21.31,"az":282.1,"t":"2030-05-10T08:35:00Z","terrain":-0.12},{"above_terrain":true,"airmass":2.85,"alt":20.39,"az":282.9,"t":"2030-05-10T08:40:00Z","terrain":-0.03},{"above_terrain":true,"airmass":2.98,"alt":19.48,"az":283.6,"t":"2030-05-10T08:45:00Z","terrain":0.07},{"above_terrain":true,"airmass":3.11,"alt":18.57,"az":284.4,"t":"2030-05-10T08:50:00Z","terrain":0.16},{"above_terrain":true,"airmass":3.26,"alt":17.67,"az":285.1,"t":"2030-05-10T08:55:00Z","terrain":0.23},{"above_terrain":true,"airmass":3.43,"alt":16.77,"az":285.9,"t":"2030-05-10T09:00:00Z","terrain":0.22}],"transit":{"airmass":1.06,"alt":71.1,"az":179.1,"t":"2030-05-10T03:10:00Z"},"usable_hours":3.5,"verdict":"marginal","zenith_passage":false},"warnings":["No cloud data for this night (beyond the 4-day forecast, or not yet in the archive) \u2014 the score is geometry only."]}