{"assessment":{"best_window":{"end":"2029-04-29T01:35Z","end_local":"04:35","hours":3.25,"label":"good","mean_quality":0.67,"start":"2029-04-28T22:20Z","start_local":"01:20"},"cost":{"altitude":2.11,"clouds":0.0,"darkness":1.4,"moon":1.62},"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":3,"cloud":null,"high":null,"iso":"2029-04-28T18:00Z","label":"unusable","low":null,"mid":null,"moon_alt":2,"precip":null,"q":0.0,"rh":null,"sky":"nautical twilight","temp":null,"time":"21:00","wind":null},{"alt":11,"cloud":null,"high":null,"iso":"2029-04-28T19:00Z","label":"unusable","low":null,"mid":null,"moon_alt":10,"precip":null,"q":0.0,"rh":null,"sky":"astronomical twilight","temp":null,"time":"22:00","wind":null},{"alt":20,"cloud":null,"high":null,"iso":"2029-04-28T20:00Z","label":"unusable","low":null,"mid":null,"moon_alt":18,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":29,"cloud":null,"high":null,"iso":"2029-04-28T21:00Z","label":"marginal","low":null,"mid":null,"moon_alt":23,"precip":null,"q":0.54,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":40,"cloud":null,"high":null,"iso":"2029-04-28T22:00Z","label":"marginal","low":null,"mid":null,"moon_alt":27,"precip":null,"q":0.59,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":50,"cloud":null,"high":null,"iso":"2029-04-28T23:00Z","label":"good","low":null,"mid":null,"moon_alt":27,"precip":null,"q":0.63,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":61,"cloud":null,"high":null,"iso":"2029-04-29T00:00Z","label":"good","low":null,"mid":null,"moon_alt":25,"precip":null,"q":0.69,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":73,"cloud":null,"high":null,"iso":"2029-04-29T01:00Z","label":"good","low":null,"mid":null,"moon_alt":20,"precip":null,"q":0.7,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":84,"cloud":null,"high":null,"iso":"2029-04-29T02:00Z","label":"marginal","low":null,"mid":null,"moon_alt":13,"precip":null,"q":0.36,"rh":null,"sky":"astronomical twilight","temp":null,"time":"05:00","wind":null},{"alt":84,"cloud":null,"high":null,"iso":"2029-04-29T03:00Z","label":"unusable","low":null,"mid":null,"moon_alt":4,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"06:00","wind":null}],"peak_quality":0.71,"peak_sky":0.71,"quality_hours":3.63,"reasons":["the target being low or below 20\u00b0 cost 2.1 quality-hours","moonlight cost 1.6 quality-hours","daylight and twilight cost 1.4 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":65,"score_weather":null,"sky_hours":3.63,"verdict":"unknown","verdict_astronomy":"marginal","weather_known":false,"windows":[{"end":"2029-04-28T20:05Z","end_local":"23:05","hours":2.83,"label":"unusable","mean_quality":0.0,"start":"2029-04-28T17:15Z","start_local":"20:15"},{"end":"2029-04-28T22:20Z","end_local":"01:20","hours":2.25,"label":"marginal","mean_quality":0.5,"start":"2029-04-28T20:05Z","start_local":"23:05"},{"end":"2029-04-29T01:35Z","end_local":"04:35","hours":3.25,"label":"good","mean_quality":0.67,"start":"2029-04-28T22:20Z","start_local":"01:20"},{"end":"2029-04-29T02:15Z","end_local":"05:15","hours":0.67,"label":"marginal","mean_quality":0.36,"start":"2029-04-29T01:35Z","start_local":"04:35"},{"end":"2029-04-29T02:55Z","end_local":"05:55","hours":0.67,"label":"poor","mean_quality":0.11,"start":"2029-04-29T02:15Z","start_local":"05:15"},{"end":"2029-04-29T03:25Z","end_local":"06:25","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2029-04-29T02:55Z","start_local":"05:55"}]},"calculation_version":"2026-10-10.1","forecast":[],"forecast_source":"none","forecast_updated_at":null,"limits":{"good_alt":30.0,"usable_alt":20.0},"night":{"dark_from":"2029-04-28T19:02:35Z","dark_hours":6.52,"dark_to":"2029-04-29T01:33:52Z","moon":{"illumination":0.995,"phase":"full moon","waxing":false},"moon_free_dark_hours":0.0,"moonrise":"2029-04-28T17:50:35Z","moonset":"2029-04-29T03:26:41Z","sunrise":"2029-04-29T03:20:17Z","sunset":"2029-04-28T17:16:07Z","twilight":{"astronomical":{"end":"2029-04-28T19:02:35Z","start":"2029-04-29T01:33:52Z"},"civil":{"end":"2029-04-28T17:46:10Z","start":"2029-04-29T02:50:14Z"},"nautical":{"end":"2029-04-28T18:22:51Z","start":"2029-04-29T02:13:34Z"}},"window_end":"2029-04-29T09:00:00Z","window_start":"2029-04-28T09:00:00Z"},"night_date":"2029-04-28","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.02,"alt":78.3,"t":"2029-04-29T01:30:00Z"},"dec":38.78368896,"dec_of_date":38.8102,"dec_str":"+38\u00b0 47' 01.3\"","good_hours":4.5,"limit_rise":"2029-04-28T20:01:06Z","limit_set":"2029-04-28T09:02:02Z","max_az_rate_deg_per_min":3.78,"moon_separation":79.6,"never_rises":false,"ra":279.23473479,"ra_of_date":279.481,"ra_str":"18h 36m 56.3s","resolved":{"common_name":"Vega","dec":38.78368896,"name":"* alf Lyr","ra":279.23473479,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=Vega","source":"sesame","spectral_type":"A0V","type":"dS*","type_text":"delta Scuti variable","vmag":0.03},"summary":"4.5 dark hours above 30\u00b0 \u2014 a proper target for this night.","terrain":{"available":true,"behind_at":"2029-04-28T11:38:04Z","blocked_dark_hours":0,"clears_at":"2029-04-28T17:33:20Z","rise_az":304.4},"track":[{"above_terrain":true,"airmass":2.86,"alt":20.32,"az":304.4,"t":"2029-04-28T09:00:00Z","terrain":-0.18},{"above_terrain":true,"airmass":2.97,"alt":19.55,"az":305.1,"t":"2029-04-28T09:05:00Z","terrain":-0.28},{"above_terrain":true,"airmass":3.08,"alt":18.78,"az":305.7,"t":"2029-04-28T09:10:00Z","terrain":-0.21},{"above_terrain":true,"airmass":3.2,"alt":18.03,"az":306.4,"t":"2029-04-28T09:15:00Z","terrain":-0.05},{"above_terrain":true,"airmass":3.33,"alt":17.28,"az":307.0,"t":"2029-04-28T09:20:00Z","terrain":0.18},{"above_terrain":true,"airmass":3.48,"alt":16.53,"az":307.7,"t":"2029-04-28T09:25:00Z","terrain":0.27},{"above_terrain":true,"airmass":3.63,"alt":15.79,"az":308.3,"t":"2029-04-28T09:30:00Z","terrain":0.27},{"above_terrain":true,"airmass":3.8,"alt":15.06,"az":309.0,"t":"2029-04-28T09:35:00Z","terrain":0.17},{"above_terrain":true,"airmass":3.98,"alt":14.34,"az":309.7,"t":"2029-04-28T09:40:00Z","terrain":0.2},{"above_terrain":true,"airmass":4.18,"alt":13.62,"az":310.4,"t":"2029-04-28T09:45:00Z","terrain":0.27},{"above_terrain":true,"airmass":4.39,"alt":12.91,"az":311.1,"t":"2029-04-28T09:50:00Z","terrain":0.35},{"above_terrain":true,"airmass":4.63,"alt":12.21,"az":311.8,"t":"2029-04-28T09:55:00Z","terrain":0.19},{"above_terrain":true,"airmass":4.9,"alt":11.52,"az":312.5,"t":"2029-04-28T10:00:00Z","terrain":0.2},{"above_terrain":true,"airmass":5.19,"alt":10.83,"az":313.2,"t":"2029-04-28T10:05:00Z","terrain":0.3},{"above_terrain":true,"airmass":5.51,"alt":10.15,"az":313.9,"t":"2029-04-28T10:10:00Z","terrain":0.45},{"above_terrain":true,"airmass":5.87,"alt":9.48,"az":314.6,"t":"2029-04-28T10:15:00Z","terrain":0.52},{"above_terrain":true,"airmass":6.27,"alt":8.82,"az":315.3,"t":"2029-04-28T10:20:00Z","terrain":0.53},{"above_terrain":true,"airmass":6.73,"alt":8.17,"az":316.1,"t":"2029-04-28T10:25:00Z","terrain":0.47},{"above_terrain":true,"airmass":7.25,"alt":7.52,"az":316.8,"t":"2029-04-28T10:30:00Z","terrain":0.34},{"above_terrain":true,"airmass":7.84,"alt":6.88,"az":317.6,"t":"2029-04-28T10:35:00Z","terrain":0.32},{"above_terrain":true,"airmass":8.53,"alt":6.26,"az":318.3,"t":"2029-04-28T10:40:00Z","terrain":0.19},{"above_terrain":true,"airmass":9.32,"alt":5.64,"az":319.1,"t":"2029-04-28T10:45:00Z","terrain":-0.14},{"above_terrain":true,"airmass":10.25,"alt":5.03,"az":319.8,"t":"2029-04-28T10:50:00Z","terrain":-0.19},{"above_terrain":true,"airmass":11.36,"alt":4.43,"az":320.6,"t":"2029-04-28T10:55:00Z","terrain":-0.2},{"above_terrain":true,"airmass":12.68,"alt":3.84,"az":321.4,"t":"2029-04-28T11:00:00Z","terrain":-0.04},{"above_terrain":true,"airmass":14.29,"alt":3.26,"az":322.2,"t":"2029-04-28T11:05:00Z","terrain":0.19},{"above_terrain":true,"airmass":16.27,"alt":2.69,"az":323.0,"t":"2029-04-28T11:10:00Z","terrain":0.08},{"above_terrain":true,"airmass":18.73,"alt":2.14,"az":323.8,"t":"2029-04-28T11:15:00Z","terrain":-0.14},{"above_terrain":true,"airmass":21.85,"alt":1.59,"az":324.6,"t":"2029-04-28T11:20:00Z","terrain":-0.2},{"above_terrain":true,"airmass":25.86,"alt":1.05,"az":325.4,"t":"2029-04-28T11:25:00Z","terrain":-0.21},{"above_terrain":true,"airmass":31.06,"alt":0.53,"az":326.2,"t":"2029-04-28T11:30:00Z","terrain":-0.27},{"above_terrain":true,"airmass":37.76,"alt":0.01,"az":327.1,"t":"2029-04-28T11:35:00Z","terrain":-0.38},{"above_terrain":false,"airmass":null,"alt":-0.49,"az":327.9,"t":"2029-04-28T11:40:00Z","terrain":-0.25},{"above_terrain":false,"airmass":null,"alt":-0.98,"az":328.7,"t":"2029-04-28T11:45:00Z","terrain":-0.16},{"above_terrain":false,"airmass":null,"alt":-1.46,"az":329.6,"t":"2029-04-28T11:50:00Z","terrain":-0.26},{"above_terrain":false,"airmass":null,"alt":-1.93,"az":330.4,"t":"2029-04-28T11:55:00Z","terrain":-0.37},{"above_terrain":false,"airmass":null,"alt":-2.39,"az":331.3,"t":"2029-04-28T12:00:00Z","terrain":-0.31},{"above_terrain":false,"airmass":null,"alt":-2.83,"az":332.2,"t":"2029-04-28T12:05:00Z","terrain":-0.14},{"above_terrain":false,"airmass":null,"alt":-3.26,"az":333.1,"t":"2029-04-28T12:10:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-3.68,"az":333.9,"t":"2029-04-28T12:15:00Z","terrain":-0.22},{"above_terrain":false,"airmass":null,"alt":-4.08,"az":334.8,"t":"2029-04-28T12:20:00Z","terrain":-0.53},{"above_terrain":false,"airmass":null,"alt":-4.47,"az":335.7,"t":"2029-04-28T12:25:00Z","terrain":-0.76},{"above_terrain":false,"airmass":null,"alt":-4.85,"az":336.6,"t":"2029-04-28T12:30:00Z","terrain":-0.77},{"above_terrain":false,"airmass":null,"alt":-5.22,"az":337.5,"t":"2029-04-28T12:35:00Z","terrain":-0.59},{"above_terrain":false,"airmass":null,"alt":-5.57,"az":338.5,"t":"2029-04-28T12:40:00Z","terrain":-0.6},{"above_terrain":false,"airmass":null,"alt":-5.9,"az":339.4,"t":"2029-04-28T12:45:00Z","terrain":-0.67},{"above_terrain":false,"airmass":null,"alt":-6.23,"az":340.3,"t":"2029-04-28T12:50:00Z","terrain":-0.5},{"above_terrain":false,"airmass":null,"alt":-6.54,"az":341.2,"t":"2029-04-28T12:55:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-6.83,"az":342.2,"t":"2029-04-28T13:00:00Z","terrain":-0.47},{"above_terrain":false,"airmass":null,"alt":-7.11,"az":343.1,"t":"2029-04-28T13:05:00Z","terrain":-0.39},{"above_terrain":false,"airmass":null,"alt":-7.37,"az":344.1,"t":"2029-04-28T13:10:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-7.62,"az":345.0,"t":"2029-04-28T13:15:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-7.86,"az":346.0,"t":"2029-04-28T13:20:00Z","terrain":-0.55},{"above_terrain":false,"airmass":null,"alt":-8.08,"az":346.9,"t":"2029-04-28T13:25:00Z","terrain":-0.43},{"above_terrain":false,"airmass":null,"alt":-8.28,"az":347.9,"t":"2029-04-28T13:30:00Z","terrain":-0.17},{"above_terrain":false,"airmass":null,"alt":-8.47,"az":348.9,"t":"2029-04-28T13:35:00Z","terrain":-0.02},{"above_terrain":false,"airmass":null,"alt":-8.64,"az":349.8,"t":"2029-04-28T13:40:00Z","terrain":0.12},{"above_terrain":false,"airmass":null,"alt":-8.8,"az":350.8,"t":"2029-04-28T13:45:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-8.94,"az":351.8,"t":"2029-04-28T13:50:00Z","terrain":0.24},{"above_terrain":false,"airmass":null,"alt":-9.07,"az":352.8,"t":"2029-04-28T13:55:00Z","terrain":0.45},{"above_terrain":false,"airmass":null,"alt":-9.17,"az":353.8,"t":"2029-04-28T14:00:00Z","terrain":0.59},{"above_terrain":false,"airmass":null,"alt":-9.27,"az":354.7,"t":"2029-04-28T14:05:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-9.35,"az":355.7,"t":"2029-04-28T14:10:00Z","terrain":0.72},{"above_terrain":false,"airmass":null,"alt":-9.41,"az":356.7,"t":"2029-04-28T14:15:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-9.45,"az":357.7,"t":"2029-04-28T14:20:00Z","terrain":0.66},{"above_terrain":false,"airmass":null,"alt":-9.48,"az":358.7,"t":"2029-04-28T14:25:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-9.5,"az":359.7,"t":"2029-04-28T14:30:00Z","terrain":0.54},{"above_terrain":false,"airmass":null,"alt":-9.49,"az":0.7,"t":"2029-04-28T14:35:00Z","terrain":0.41},{"above_terrain":false,"airmass":null,"alt":-9.47,"az":1.7,"t":"2029-04-28T14:40:00Z","terrain":0.2},{"above_terrain":false,"airmass":null,"alt":-9.44,"az":2.7,"t":"2029-04-28T14:45:00Z","terrain":-0.04},{"above_terrain":false,"airmass":null,"alt":-9.39,"az":3.6,"t":"2029-04-28T14:50:00Z","terrain":-0.23},{"above_terrain":false,"airmass":null,"alt":-9.32,"az":4.6,"t":"2029-04-28T14:55:00Z","terrain":-0.38},{"above_terrain":false,"airmass":null,"alt":-9.24,"az":5.6,"t":"2029-04-28T15:00:00Z","terrain":-0.53},{"above_terrain":false,"airmass":null,"alt":-9.14,"az":6.6,"t":"2029-04-28T15:05:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-9.02,"az":7.6,"t":"2029-04-28T15:10:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-8.89,"az":8.6,"t":"2029-04-28T15:15:00Z","terrain":-0.55},{"above_terrain":false,"airmass":null,"alt":-8.74,"az":9.5,"t":"2029-04-28T15:20:00Z","terrain":-0.63},{"above_terrain":false,"airmass":null,"alt":-8.58,"az":10.5,"t":"2029-04-28T15:25:00Z","terrain":-0.5},{"above_terrain":false,"airmass":null,"alt":-8.4,"az":11.5,"t":"2029-04-28T15:30:00Z","terrain":-0.29},{"above_terrain":false,"airmass":null,"alt":-8.21,"az":12.5,"t":"2029-04-28T15:35:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-8.0,"az":13.4,"t":"2029-04-28T15:40:00Z","terrain":-0.0},{"above_terrain":false,"airmass":null,"alt":-7.77,"az":14.4,"t":"2029-04-28T15:45:00Z","terrain":0.21},{"above_terrain":false,"airmass":null,"alt":-7.53,"az":15.3,"t":"2029-04-28T15:50:00Z","terrain":0.44},{"above_terrain":false,"airmass":null,"alt":-7.28,"az":16.3,"t":"2029-04-28T15:55:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-7.01,"az":17.2,"t":"2029-04-28T16:00:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-6.72,"az":18.2,"t":"2029-04-28T16:05:00Z","terrain":0.55},{"above_terrain":false,"airmass":null,"alt":-6.42,"az":19.1,"t":"2029-04-28T16:10:00Z","terrain":0.63},{"above_terrain":false,"airmass":null,"alt":-6.11,"az":20.0,"t":"2029-04-28T16:15:00Z","terrain":0.67},{"above_terrain":false,"airmass":null,"alt":-5.78,"az":21.0,"t":"2029-04-28T16:20:00Z","terrain":0.69},{"above_terrain":false,"airmass":null,"alt":-5.44,"az":21.9,"t":"2029-04-28T16:25:00Z","terrain":0.95},{"above_terrain":false,"airmass":null,"alt":-5.08,"az":22.8,"t":"2029-04-28T16:30:00Z","terrain":1.13},{"above_terrain":false,"airmass":null,"alt":-4.71,"az":23.7,"t":"2029-04-28T16:35:00Z","terrain":0.99},{"above_terrain":false,"airmass":null,"alt":-4.33,"az":24.6,"t":"2029-04-28T16:40:00Z","terrain":1.1},{"above_terrain":false,"airmass":null,"alt":-3.94,"az":25.5,"t":"2029-04-28T16:45:00Z","terrain":1.28},{"above_terrain":false,"airmass":null,"alt":-3.53,"az":26.4,"t":"2029-04-28T16:50:00Z","terrain":1.32},{"above_terrain":false,"airmass":null,"alt":-3.1,"az":27.3,"t":"2029-04-28T16:55:00Z","terrain":1.26},{"above_terrain":false,"airmass":null,"alt":-2.67,"az":28.1,"t":"2029-04-28T17:00:00Z","terrain":1.16},{"above_terrain":false,"airmass":null,"alt":-2.22,"az":29.0,"t":"2029-04-28T17:05:00Z","terrain":1.0},{"above_terrain":false,"airmass":null,"alt":-1.76,"az":29.9,"t":"2029-04-28T17:10:00Z","terrain":1.13},{"above_terrain":false,"airmass":null,"alt":-1.29,"az":30.7,"t":"2029-04-28T17:15:00Z","terrain":1.27},{"above_terrain":false,"airmass":null,"alt":-0.8,"az":31.6,"t":"2029-04-28T17:20:00Z","terrain":1.32},{"above_terrain":false,"airmass":null,"alt":-0.31,"az":32.4,"t":"2029-04-28T17:25:00Z","terrain":1.19},{"above_terrain":false,"airmass":35.09,"alt":0.2,"az":33.3,"t":"2029-04-28T17:30:00Z","terrain":0.85},{"above_terrain":true,"airmass":28.98,"alt":0.72,"az":34.1,"t":"2029-04-28T17:35:00Z","terrain":0.4},{"above_terrain":true,"airmass":24.26,"alt":1.25,"az":34.9,"t":"2029-04-28T17:40:00Z","terrain":0.09},{"above_terrain":true,"airmass":20.61,"alt":1.79,"az":35.7,"t":"2029-04-28T17:45:00Z","terrain":0.04},{"above_terrain":true,"airmass":17.75,"alt":2.34,"az":36.5,"t":"2029-04-28T17:50:00Z","terrain":-0.03},{"above_terrain":true,"airmass":15.49,"alt":2.9,"az":37.3,"t":"2029-04-28T17:55:00Z","terrain":-0.13},{"above_terrain":true,"airmass":13.66,"alt":3.48,"az":38.1,"t":"2029-04-28T18:00:00Z","terrain":-0.2},{"above_terrain":true,"airmass":12.17,"alt":4.06,"az":38.9,"t":"2029-04-28T18:05:00Z","terrain":-0.16},{"above_terrain":true,"airmass":10.93,"alt":4.65,"az":39.7,"t":"2029-04-28T18:10:00Z","terrain":-0.09},{"above_terrain":true,"airmass":9.89,"alt":5.25,"az":40.5,"t":"2029-04-28T18:15:00Z","terrain":-0.02},{"above_terrain":true,"airmass":9.01,"alt":5.87,"az":41.2,"t":"2029-04-28T18:20:00Z","terrain":0.04},{"above_terrain":true,"airmass":8.26,"alt":6.49,"az":42.0,"t":"2029-04-28T18:25:00Z","terrain":0.12},{"above_terrain":true,"airmass":7.61,"alt":7.12,"az":42.7,"t":"2029-04-28T18:30:00Z","terrain":0.21},{"above_terrain":true,"airmass":7.05,"alt":7.76,"az":43.5,"t":"2029-04-28T18:35:00Z","terrain":0.33},{"above_terrain":true,"airmass":6.56,"alt":8.41,"az":44.2,"t":"2029-04-28T18:40:00Z","terrain":0.45},{"above_terrain":true,"airmass":6.12,"alt":9.06,"az":44.9,"t":"2029-04-28T18:45:00Z","terrain":0.57},{"above_terrain":true,"airmass":5.73,"alt":9.73,"az":45.7,"t":"2029-04-28T18:50:00Z","terrain":0.64},{"above_terrain":true,"airmass":5.39,"alt":10.4,"az":46.4,"t":"2029-04-28T18:55:00Z","terrain":0.65},{"above_terrain":true,"airmass":5.07,"alt":11.08,"az":47.1,"t":"2029-04-28T19:00:00Z","terrain":0.6},{"above_terrain":true,"airmass":4.8,"alt":11.77,"az":47.8,"t":"2029-04-28T19:05:00Z","terrain":0.55},{"above_terrain":true,"airmass":4.54,"alt":12.47,"az":48.5,"t":"2029-04-28T19:10:00Z","terrain":0.47},{"above_terrain":true,"airmass":4.31,"alt":13.17,"az":49.2,"t":"2029-04-28T19:15:00Z","terrain":0.41},{"above_terrain":true,"airmass":4.1,"alt":13.89,"az":49.9,"t":"2029-04-28T19:20:00Z","terrain":0.4},{"above_terrain":true,"airmass":3.91,"alt":14.61,"az":50.6,"t":"2029-04-28T19:25:00Z","terrain":0.47},{"above_terrain":true,"airmass":3.73,"alt":15.33,"az":51.2,"t":"2029-04-28T19:30:00Z","terrain":0.55},{"above_terrain":true,"airmass":3.57,"alt":16.07,"az":51.9,"t":"2029-04-28T19:35:00Z","terrain":0.62},{"above_terrain":true,"airmass":3.42,"alt":16.81,"az":52.6,"t":"2029-04-28T19:40:00Z","terrain":0.75},{"above_terrain":true,"airmass":3.28,"alt":17.55,"az":53.2,"t":"2029-04-28T19:45:00Z","terrain":0.88},{"above_terrain":true,"airmass":3.16,"alt":18.3,"az":53.9,"t":"2029-04-28T19:50:00Z","terrain":0.98},{"above_terrain":true,"airmass":3.04,"alt":19.06,"az":54.5,"t":"2029-04-28T19:55:00Z","terrain":1.04},{"above_terrain":true,"airmass":2.93,"alt":19.83,"az":55.2,"t":"2029-04-28T20:00:00Z","terrain":1.07},{"above_terrain":true,"airmass":2.82,"alt":20.6,"az":55.8,"t":"2029-04-28T20:05:00Z","terrain":1.06},{"above_terrain":true,"airmass":2.73,"alt":21.38,"az":56.5,"t":"2029-04-28T20:10:00Z","terrain":1.06},{"above_terrain":true,"airmass":2.64,"alt":22.16,"az":57.1,"t":"2029-04-28T20:15:00Z","terrain":1.08},{"above_terrain":true,"airmass":2.55,"alt":22.95,"az":57.7,"t":"2029-04-28T20:20:00Z","terrain":1.2},{"above_terrain":true,"airmass":2.47,"alt":23.74,"az":58.3,"t":"2029-04-28T20:25:00Z","terrain":1.24},{"above_terrain":true,"airmass":2.4,"alt":24.54,"az":58.9,"t":"2029-04-28T20:30:00Z","terrain":1.21},{"above_terrain":true,"airmass":2.33,"alt":25.35,"az":59.5,"t":"2029-04-28T20:35:00Z","terrain":1.19},{"above_terrain":true,"airmass":2.26,"alt":26.16,"az":60.2,"t":"2029-04-28T20:40:00Z","terrain":1.16},{"above_terrain":true,"airmass":2.2,"alt":26.97,"az":60.8,"t":"2029-04-28T20:45:00Z","terrain":1.11},{"above_terrain":true,"airmass":2.14,"alt":27.79,"az":61.4,"t":"2029-04-28T20:50:00Z","terrain":1.06},{"above_terrain":true,"airmass":2.08,"alt":28.61,"az":62.0,"t":"2029-04-28T20:55:00Z","terrain":1.01},{"above_terrain":true,"airmass":2.03,"alt":29.44,"az":62.5,"t":"2029-04-28T21:00:00Z","terrain":0.96},{"above_terrain":true,"airmass":1.98,"alt":30.27,"az":63.1,"t":"2029-04-28T21:05:00Z","terrain":0.89},{"above_terrain":true,"airmass":1.93,"alt":31.11,"az":63.7,"t":"2029-04-28T21:10:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.88,"alt":31.95,"az":64.3,"t":"2029-04-28T21:15:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.84,"alt":32.8,"az":64.9,"t":"2029-04-28T21:20:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.8,"alt":33.65,"az":65.5,"t":"2029-04-28T21:25:00Z","terrain":0.8},{"above_terrain":true,"airmass":1.76,"alt":34.5,"az":66.0,"t":"2029-04-28T21:30:00Z","terrain":0.83},{"above_terrain":true,"airmass":1.72,"alt":35.36,"az":66.6,"t":"2029-04-28T21:35:00Z","terrain":0.89},{"above_terrain":true,"airmass":1.69,"alt":36.22,"az":67.2,"t":"2029-04-28T21:40:00Z","terrain":0.94},{"above_terrain":true,"airmass":1.66,"alt":37.08,"az":67.7,"t":"2029-04-28T21:45:00Z","terrain":0.97},{"above_terrain":true,"airmass":1.62,"alt":37.95,"az":68.3,"t":"2029-04-28T21:50:00Z","terrain":1.01},{"above_terrain":true,"airmass":1.59,"alt":38.82,"az":68.9,"t":"2029-04-28T21:55:00Z","terrain":1.04},{"above_terrain":true,"airmass":1.56,"alt":39.7,"az":69.4,"t":"2029-04-28T22:00:00Z","terrain":1.12},{"above_terrain":true,"airmass":1.54,"alt":40.57,"az":70.0,"t":"2029-04-28T22:05:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.51,"alt":41.46,"az":70.5,"t":"2029-04-28T22:10:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.48,"alt":42.34,"az":71.1,"t":"2029-04-28T22:15:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.46,"alt":43.23,"az":71.7,"t":"2029-04-28T22:20:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.43,"alt":44.12,"az":72.2,"t":"2029-04-28T22:25:00Z","terrain":1.15},{"above_terrain":true,"airmass":1.41,"alt":45.01,"az":72.8,"t":"2029-04-28T22:30:00Z","terrain":1.04},{"above_terrain":true,"airmass":1.39,"alt":45.9,"az":73.3,"t":"2029-04-28T22:35:00Z","terrain":0.9},{"above_terrain":true,"airmass":1.37,"alt":46.8,"az":73.9,"t":"2029-04-28T22:40:00Z","terrain":0.76},{"above_terrain":true,"airmass":1.35,"alt":47.7,"az":74.4,"t":"2029-04-28T22:45:00Z","terrain":0.69},{"above_terrain":true,"airmass":1.33,"alt":48.61,"az":75.0,"t":"2029-04-28T22:50:00Z","terrain":0.63},{"above_terrain":true,"airmass":1.31,"alt":49.51,"az":75.6,"t":"2029-04-28T22:55:00Z","terrain":0.68},{"above_terrain":true,"airmass":1.3,"alt":50.42,"az":76.1,"t":"2029-04-28T23:00:00Z","terrain":0.72},{"above_terrain":true,"airmass":1.28,"alt":51.33,"az":76.7,"t":"2029-04-28T23:05:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.26,"alt":52.24,"az":77.3,"t":"2029-04-28T23:10:00Z","terrain":0.68},{"above_terrain":true,"airmass":1.25,"alt":53.15,"az":77.8,"t":"2029-04-28T23:15:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.23,"alt":54.07,"az":78.4,"t":"2029-04-28T23:20:00Z","terrain":0.61},{"above_terrain":true,"airmass":1.22,"alt":54.99,"az":79.0,"t":"2029-04-28T23:25:00Z","terrain":0.57},{"above_terrain":true,"airmass":1.21,"alt":55.91,"az":79.5,"t":"2029-04-28T23:30:00Z","terrain":0.51},{"above_terrain":true,"airmass":1.19,"alt":56.83,"az":80.1,"t":"2029-04-28T23:35:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.18,"alt":57.75,"az":80.7,"t":"2029-04-28T23:40:00Z","terrain":0.62},{"above_terrain":true,"airmass":1.17,"alt":58.68,"az":81.3,"t":"2029-04-28T23:45:00Z","terrain":0.72},{"above_terrain":true,"airmass":1.16,"alt":59.6,"az":81.9,"t":"2029-04-28T23:50:00Z","terrain":0.79},{"above_terrain":true,"airmass":1.15,"alt":60.53,"az":82.5,"t":"2029-04-28T23:55:00Z","terrain":0.62},{"above_terrain":true,"airmass":1.14,"alt":61.46,"az":83.2,"t":"2029-04-29T00:00:00Z","terrain":0.45},{"above_terrain":true,"airmass":1.13,"alt":62.39,"az":83.8,"t":"2029-04-29T00:05:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.12,"alt":63.32,"az":84.4,"t":"2029-04-29T00:10:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.11,"alt":64.25,"az":85.1,"t":"2029-04-29T00:15:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.1,"alt":65.18,"az":85.8,"t":"2029-04-29T00:20:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.09,"alt":66.12,"az":86.5,"t":"2029-04-29T00:25:00Z","terrain":0.12},{"above_terrain":true,"airmass":1.09,"alt":67.05,"az":87.2,"t":"2029-04-29T00:30:00Z","terrain":0.04},{"above_terrain":true,"airmass":1.08,"alt":67.99,"az":87.9,"t":"2029-04-29T00:35:00Z","terrain":-0.06},{"above_terrain":true,"airmass":1.07,"alt":68.92,"az":88.7,"t":"2029-04-29T00:40:00Z","terrain":-0.16},{"above_terrain":true,"airmass":1.06,"alt":69.86,"az":89.5,"t":"2029-04-29T00:45:00Z","terrain":-0.21},{"above_terrain":true,"airmass":1.06,"alt":70.79,"az":90.3,"t":"2029-04-29T00:50:00Z","terrain":-0.18},{"above_terrain":true,"airmass":1.05,"alt":71.73,"az":91.2,"t":"2029-04-29T00:55:00Z","terrain":-0.05},{"above_terrain":true,"airmass":1.05,"alt":72.67,"az":92.1,"t":"2029-04-29T01:00:00Z","terrain":0.13},{"above_terrain":true,"airmass":1.04,"alt":73.6,"az":93.1,"t":"2029-04-29T01:05:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.04,"alt":74.53,"az":94.1,"t":"2029-04-29T01:10:00Z","terrain":0.41},{"above_terrain":true,"airmass":1.03,"alt":75.47,"az":95.2,"t":"2029-04-29T01:15:00Z","terrain":0.42},{"above_terrain":true,"airmass":1.03,"alt":76.4,"az":96.5,"t":"2029-04-29T01:20:00Z","terrain":0.63},{"above_terrain":true,"airmass":1.02,"alt":77.33,"az":97.8,"t":"2029-04-29T01:25:00Z","terrain":0.69},{"above_terrain":true,"airmass":1.02,"alt":78.25,"az":99.3,"t":"2029-04-29T01:30:00Z","terrain":0.43},{"above_terrain":true,"airmass":1.02,"alt":79.17,"az":100.9,"t":"2029-04-29T01:35:00Z","terrain":0.1},{"above_terrain":true,"airmass":1.01,"alt":80.09,"az":102.8,"t":"2029-04-29T01:40:00Z","terrain":-0.18},{"above_terrain":true,"airmass":1.01,"alt":81.0,"az":105.0,"t":"2029-04-29T01:45:00Z","terrain":-0.21},{"above_terrain":true,"airmass":1.01,"alt":81.9,"az":107.6,"t":"2029-04-29T01:50:00Z","terrain":-0.79},{"above_terrain":true,"airmass":1.01,"alt":82.78,"az":110.7,"t":"2029-04-29T01:55:00Z","terrain":-1.27},{"above_terrain":true,"airmass":1.01,"alt":83.65,"az":114.5,"t":"2029-04-29T02:00:00Z","terrain":-1.56},{"above_terrain":true,"airmass":1.0,"alt":84.48,"az":119.5,"t":"2029-04-29T02:05:00Z","terrain":-1.37},{"above_terrain":true,"airmass":1.0,"alt":85.27,"az":125.9,"t":"2029-04-29T02:10:00Z","terrain":-1.6},{"above_terrain":true,"airmass":1.0,"alt":85.99,"az":134.7,"t":"2029-04-29T02:15:00Z","terrain":-1.38},{"above_terrain":true,"airmass":1.0,"alt":86.58,"az":146.7,"t":"2029-04-29T02:20:00Z","terrain":-1.37},{"above_terrain":true,"airmass":1.0,"alt":86.99,"az":162.6,"t":"2029-04-29T02:25:00Z","terrain":-1.36},{"above_terrain":true,"airmass":1.0,"alt":87.12,"az":181.5,"t":"2029-04-29T02:30:00Z","terrain":-0.64},{"above_terrain":true,"airmass":1.0,"alt":86.94,"az":200.1,"t":"2029-04-29T02:35:00Z","terrain":-0.28},{"above_terrain":true,"airmass":1.0,"alt":86.5,"az":215.4,"t":"2029-04-29T02:40:00Z","terrain":0.65},{"above_terrain":true,"airmass":1.0,"alt":85.88,"az":226.9,"t":"2029-04-29T02:45:00Z","terrain":0.94},{"above_terrain":true,"airmass":1.0,"alt":85.15,"az":235.2,"t":"2029-04-29T02:50:00Z","terrain":0.94},{"above_terrain":true,"airmass":1.0,"alt":84.35,"az":241.4,"t":"2029-04-29T02:55:00Z","terrain":0.86},{"above_terrain":true,"airmass":1.01,"alt":83.51,"az":246.1,"t":"2029-04-29T03:00:00Z","terrain":1.16},{"above_terrain":true,"airmass":1.01,"alt":82.65,"az":249.9,"t":"2029-04-29T03:05:00Z","terrain":0.58},{"above_terrain":true,"airmass":1.01,"alt":81.76,"az":252.9,"t":"2029-04-29T03:10:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.01,"alt":80.86,"az":255.4,"t":"2029-04-29T03:15:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.02,"alt":79.95,"az":257.5,"t":"2029-04-29T03:20:00Z","terrain":0.39},{"above_terrain":true,"airmass":1.02,"alt":79.03,"az":259.4,"t":"2029-04-29T03:25:00Z","terrain":0.51},{"above_terrain":true,"airmass":1.02,"alt":78.11,"az":261.0,"t":"2029-04-29T03:30:00Z","terrain":0.83},{"above_terrain":true,"airmass":1.03,"alt":77.18,"az":262.4,"t":"2029-04-29T03:35:00Z","terrain":0.91},{"above_terrain":true,"airmass":1.03,"alt":76.25,"az":263.7,"t":"2029-04-29T03:40:00Z","terrain":0.6},{"above_terrain":true,"airmass":1.03,"alt":75.32,"az":264.9,"t":"2029-04-29T03:45:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.04,"alt":74.39,"az":266.0,"t":"2029-04-29T03:50:00Z","terrain":0.47},{"above_terrain":true,"airmass":1.04,"alt":73.46,"az":267.1,"t":"2029-04-29T03:55:00Z","terrain":0.58},{"above_terrain":true,"airmass":1.05,"alt":72.52,"az":268.0,"t":"2029-04-29T04:00:00Z","terrain":0.65},{"above_terrain":true,"airmass":1.05,"alt":71.58,"az":268.9,"t":"2029-04-29T04:05:00Z","terrain":0.74},{"above_terrain":true,"airmass":1.06,"alt":70.65,"az":269.8,"t":"2029-04-29T04:10:00Z","terrain":0.87},{"above_terrain":true,"airmass":1.07,"alt":69.71,"az":270.6,"t":"2029-04-29T04:15:00Z","terrain":0.82},{"above_terrain":true,"airmass":1.07,"alt":68.78,"az":271.4,"t":"2029-04-29T04:20:00Z","terrain":0.63},{"above_terrain":true,"airmass":1.08,"alt":67.84,"az":272.2,"t":"2029-04-29T04:25:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.09,"alt":66.91,"az":272.9,"t":"2029-04-29T04:30:00Z","terrain":0.16},{"above_terrain":true,"airmass":1.09,"alt":65.97,"az":273.6,"t":"2029-04-29T04:35:00Z","terrain":0.03},{"above_terrain":true,"airmass":1.1,"alt":65.04,"az":274.3,"t":"2029-04-29T04:40:00Z","terrain":0.01},{"above_terrain":true,"airmass":1.11,"alt":64.11,"az":275.0,"t":"2029-04-29T04:45:00Z","terrain":0.09},{"above_terrain":true,"airmass":1.12,"alt":63.17,"az":275.7,"t":"2029-04-29T04:50:00Z","terrain":0.02},{"above_terrain":true,"airmass":1.13,"alt":62.24,"az":276.3,"t":"2029-04-29T04:55:00Z","terrain":-0.05},{"above_terrain":true,"airmass":1.14,"alt":61.31,"az":276.9,"t":"2029-04-29T05:00:00Z","terrain":-0.13},{"above_terrain":true,"airmass":1.15,"alt":60.38,"az":277.6,"t":"2029-04-29T05:05:00Z","terrain":-0.11},{"above_terrain":true,"airmass":1.16,"alt":59.46,"az":278.2,"t":"2029-04-29T05:10:00Z","terrain":-0.07},{"above_terrain":true,"airmass":1.17,"alt":58.53,"az":278.8,"t":"2029-04-29T05:15:00Z","terrain":-0.03},{"above_terrain":true,"airmass":1.18,"alt":57.61,"az":279.4,"t":"2029-04-29T05:20:00Z","terrain":-0.06},{"above_terrain":true,"airmass":1.2,"alt":56.68,"az":280.0,"t":"2029-04-29T05:25:00Z","terrain":-0.13},{"above_terrain":true,"airmass":1.21,"alt":55.76,"az":280.5,"t":"2029-04-29T05:30:00Z","terrain":-0.04},{"above_terrain":true,"airmass":1.22,"alt":54.84,"az":281.1,"t":"2029-04-29T05:35:00Z","terrain":0.01},{"above_terrain":true,"airmass":1.24,"alt":53.93,"az":281.7,"t":"2029-04-29T05:40:00Z","terrain":-0.08},{"above_terrain":true,"airmass":1.25,"alt":53.01,"az":282.3,"t":"2029-04-29T05:45:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.27,"alt":52.1,"az":282.8,"t":"2029-04-29T05:50:00Z","terrain":-0.03},{"above_terrain":true,"airmass":1.28,"alt":51.19,"az":283.4,"t":"2029-04-29T05:55:00Z","terrain":0.04},{"above_terrain":true,"airmass":1.3,"alt":50.28,"az":284.0,"t":"2029-04-29T06:00:00Z","terrain":0.12},{"above_terrain":true,"airmass":1.32,"alt":49.37,"az":284.5,"t":"2029-04-29T06:05:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.33,"alt":48.46,"az":285.1,"t":"2029-04-29T06:10:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.35,"alt":47.56,"az":285.6,"t":"2029-04-29T06:15:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.37,"alt":46.66,"az":286.2,"t":"2029-04-29T06:20:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.39,"alt":45.76,"az":286.8,"t":"2029-04-29T06:25:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.42,"alt":44.87,"az":287.3,"t":"2029-04-29T06:30:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.44,"alt":43.98,"az":287.9,"t":"2029-04-29T06:35:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.46,"alt":43.09,"az":288.4,"t":"2029-04-29T06:40:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.49,"alt":42.2,"az":289.0,"t":"2029-04-29T06:45:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.51,"alt":41.32,"az":289.5,"t":"2029-04-29T06:50:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.54,"alt":40.44,"az":290.1,"t":"2029-04-29T06:55:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.57,"alt":39.56,"az":290.7,"t":"2029-04-29T07:00:00Z","terrain":0.42},{"above_terrain":true,"airmass":1.6,"alt":38.69,"az":291.2,"t":"2029-04-29T07:05:00Z","terrain":0.5},{"above_terrain":true,"airmass":1.63,"alt":37.82,"az":291.8,"t":"2029-04-29T07:10:00Z","terrain":0.54},{"above_terrain":true,"airmass":1.66,"alt":36.95,"az":292.4,"t":"2029-04-29T07:15:00Z","terrain":0.46},{"above_terrain":true,"airmass":1.69,"alt":36.08,"az":292.9,"t":"2029-04-29T07:20:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.73,"alt":35.22,"az":293.5,"t":"2029-04-29T07:25:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.77,"alt":34.37,"az":294.1,"t":"2029-04-29T07:30:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.81,"alt":33.51,"az":294.6,"t":"2029-04-29T07:35:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.85,"alt":32.67,"az":295.2,"t":"2029-04-29T07:40:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.89,"alt":31.82,"az":295.8,"t":"2029-04-29T07:45:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.94,"alt":30.98,"az":296.4,"t":"2029-04-29T07:50:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.99,"alt":30.14,"az":297.0,"t":"2029-04-29T07:55:00Z","terrain":0.26},{"above_terrain":true,"airmass":2.04,"alt":29.31,"az":297.5,"t":"2029-04-29T08:00:00Z","terrain":0.18},{"above_terrain":true,"airmass":2.09,"alt":28.48,"az":298.1,"t":"2029-04-29T08:05:00Z","terrain":0.13},{"above_terrain":true,"airmass":2.15,"alt":27.66,"az":298.7,"t":"2029-04-29T08:10:00Z","terrain":0.16},{"above_terrain":true,"airmass":2.21,"alt":26.84,"az":299.3,"t":"2029-04-29T08:15:00Z","terrain":0.24},{"above_terrain":true,"airmass":2.27,"alt":26.03,"az":299.9,"t":"2029-04-29T08:20:00Z","terrain":0.36},{"above_terrain":true,"airmass":2.34,"alt":25.22,"az":300.5,"t":"2029-04-29T08:25:00Z","terrain":0.34},{"above_terrain":true,"airmass":2.41,"alt":24.42,"az":301.2,"t":"2029-04-29T08:30:00Z","terrain":0.28},{"above_terrain":true,"airmass":2.48,"alt":23.62,"az":301.8,"t":"2029-04-29T08:35:00Z","terrain":0.13},{"above_terrain":true,"airmass":2.56,"alt":22.83,"az":302.4,"t":"2029-04-29T08:40:00Z","terrain":-0.04},{"above_terrain":true,"airmass":2.65,"alt":22.04,"az":303.0,"t":"2029-04-29T08:45:00Z","terrain":-0.23},{"above_terrain":true,"airmass":2.74,"alt":21.26,"az":303.6,"t":"2029-04-29T08:50:00Z","terrain":-0.15},{"above_terrain":true,"airmass":2.84,"alt":20.48,"az":304.3,"t":"2029-04-29T08:55:00Z","terrain":-0.15},{"above_terrain":true,"airmass":2.94,"alt":19.71,"az":304.9,"t":"2029-04-29T09:00:00Z","terrain":-0.28}],"transit":{"airmass":1.0,"alt":87.1,"az":181.5,"t":"2029-04-29T02:30:00Z"},"usable_hours":5.5,"verdict":"good","zenith_passage":true},"warnings":["No cloud data for this night (beyond the 4-day forecast, or not yet in the archive) \u2014 the score is geometry only."]}