{"assessment":{"best_window":{"end":"2027-05-18T01:05Z","end_local":"04:05","hours":4.83,"label":"good","mean_quality":0.73,"start":"2027-05-17T20:15Z","start_local":"23:15"},"cost":{"altitude":0.64,"clouds":0.0,"darkness":1.64,"moon":1.32},"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":13,"cloud":null,"high":null,"iso":"2027-05-17T18:00Z","label":"unusable","low":null,"mid":null,"moon_alt":27,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"21:00","wind":null},{"alt":22,"cloud":null,"high":null,"iso":"2027-05-17T19:00Z","label":"poor","low":null,"mid":null,"moon_alt":32,"precip":null,"q":0.17,"rh":null,"sky":"astronomical twilight","temp":null,"time":"22:00","wind":null},{"alt":32,"cloud":null,"high":null,"iso":"2027-05-17T20:00Z","label":"marginal","low":null,"mid":null,"moon_alt":33,"precip":null,"q":0.59,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":42,"cloud":null,"high":null,"iso":"2027-05-17T21:00Z","label":"good","low":null,"mid":null,"moon_alt":32,"precip":null,"q":0.64,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":53,"cloud":null,"high":null,"iso":"2027-05-17T22:00Z","label":"good","low":null,"mid":null,"moon_alt":27,"precip":null,"q":0.7,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":64,"cloud":null,"high":null,"iso":"2027-05-17T23:00Z","label":"good","low":null,"mid":null,"moon_alt":21,"precip":null,"q":0.76,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":75,"cloud":null,"high":null,"iso":"2027-05-18T00:00Z","label":"good","low":null,"mid":null,"moon_alt":12,"precip":null,"q":0.79,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":86,"cloud":null,"high":null,"iso":"2027-05-18T01:00Z","label":"good","low":null,"mid":null,"moon_alt":3,"precip":null,"q":0.81,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":81,"cloud":null,"high":null,"iso":"2027-05-18T02:00Z","label":"poor","low":null,"mid":null,"moon_alt":-8,"precip":null,"q":0.15,"rh":null,"sky":"nautical twilight","temp":null,"time":"05:00","wind":null}],"peak_quality":0.81,"peak_sky":0.81,"quality_hours":4.49,"reasons":["daylight and twilight cost 1.6 quality-hours","moonlight cost 1.3 quality-hours","the target being low or below 20\u00b0 cost 0.6 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":81,"score_weather":null,"sky_hours":4.49,"verdict":"unknown","verdict_astronomy":"good","weather_known":false,"windows":[{"end":"2027-05-17T18:50Z","end_local":"21:50","hours":1.25,"label":"unusable","mean_quality":0.0,"start":"2027-05-17T17:35Z","start_local":"20:35"},{"end":"2027-05-17T19:35Z","end_local":"22:35","hours":0.75,"label":"poor","mean_quality":0.2,"start":"2027-05-17T18:50Z","start_local":"21:50"},{"end":"2027-05-17T20:15Z","end_local":"23:15","hours":0.67,"label":"marginal","mean_quality":0.57,"start":"2027-05-17T19:35Z","start_local":"22:35"},{"end":"2027-05-18T01:05Z","end_local":"04:05","hours":4.83,"label":"good","mean_quality":0.73,"start":"2027-05-17T20:15Z","start_local":"23:15"},{"end":"2027-05-18T01:50Z","end_local":"04:50","hours":0.75,"label":"marginal","mean_quality":0.48,"start":"2027-05-18T01:05Z","start_local":"04:05"},{"end":"2027-05-18T02:30Z","end_local":"05:30","hours":0.67,"label":"poor","mean_quality":0.15,"start":"2027-05-18T01:50Z","start_local":"04:50"},{"end":"2027-05-18T03:00Z","end_local":"06:00","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2027-05-18T02:30Z","start_local":"05:30"}]},"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":"2027-05-17T19:32:45Z","dark_hours":5.48,"dark_to":"2027-05-18T01:01:49Z","moon":{"illumination":0.931,"phase":"waxing gibbous","waxing":true},"moon_free_dark_hours":0.0,"moonrise":"2027-05-17T14:50:22Z","moonset":"2027-05-18T01:14:04Z","sunrise":"2027-05-18T02:59:00Z","sunset":"2027-05-17T17:35:34Z","twilight":{"astronomical":{"end":"2027-05-17T19:32:45Z","start":"2027-05-18T01:01:49Z"},"civil":{"end":"2027-05-17T18:07:33Z","start":"2027-05-18T02:27:01Z"},"nautical":{"end":"2027-05-17T18:47:32Z","start":"2027-05-18T01:47:03Z"}},"window_end":"2027-05-18T09:00:00Z","window_start":"2027-05-17T09:00:00Z"},"night_date":"2027-05-17","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.0,"alt":85.7,"t":"2027-05-18T01:00:00Z"},"dec":38.78368896,"dec_of_date":38.8084,"dec_str":"+38\u00b0 47' 01.3\"","good_hours":5.17,"limit_rise":"2027-05-17T18:48:22Z","limit_set":"2027-05-18T07:45:21Z","max_az_rate_deg_per_min":3.84,"moon_separation":88.9,"never_rises":false,"ra":279.23473479,"ra_of_date":279.4646,"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":"5.2 dark hours above 30\u00b0 \u2014 a proper target for this night.","terrain":{"available":true,"behind_at":"2027-05-17T10:25:19Z","blocked_dark_hours":0,"clears_at":"2027-05-17T16:20:37Z","rise_az":314.3},"track":[{"above_terrain":true,"airmass":5.7,"alt":9.78,"az":314.3,"t":"2027-05-17T09:00:00Z","terrain":0.49},{"above_terrain":true,"airmass":6.09,"alt":9.12,"az":315.0,"t":"2027-05-17T09:05:00Z","terrain":0.56},{"above_terrain":true,"airmass":6.52,"alt":8.46,"az":315.7,"t":"2027-05-17T09:10:00Z","terrain":0.5},{"above_terrain":true,"airmass":7.01,"alt":7.81,"az":316.5,"t":"2027-05-17T09:15:00Z","terrain":0.4},{"above_terrain":true,"airmass":7.57,"alt":7.17,"az":317.2,"t":"2027-05-17T09:20:00Z","terrain":0.31},{"above_terrain":true,"airmass":8.21,"alt":6.54,"az":318.0,"t":"2027-05-17T09:25:00Z","terrain":0.33},{"above_terrain":true,"airmass":8.95,"alt":5.92,"az":318.7,"t":"2027-05-17T09:30:00Z","terrain":-0.01},{"above_terrain":true,"airmass":9.82,"alt":5.3,"az":319.5,"t":"2027-05-17T09:35:00Z","terrain":-0.17},{"above_terrain":true,"airmass":10.84,"alt":4.7,"az":320.3,"t":"2027-05-17T09:40:00Z","terrain":-0.2},{"above_terrain":true,"airmass":12.06,"alt":4.11,"az":321.0,"t":"2027-05-17T09:45:00Z","terrain":-0.19},{"above_terrain":true,"airmass":13.53,"alt":3.52,"az":321.8,"t":"2027-05-17T09:50:00Z","terrain":0.14},{"above_terrain":true,"airmass":15.33,"alt":2.95,"az":322.6,"t":"2027-05-17T09:55:00Z","terrain":0.13},{"above_terrain":true,"airmass":17.55,"alt":2.39,"az":323.4,"t":"2027-05-17T10:00:00Z","terrain":-0.04},{"above_terrain":true,"airmass":20.36,"alt":1.83,"az":324.2,"t":"2027-05-17T10:05:00Z","terrain":-0.21},{"above_terrain":true,"airmass":23.94,"alt":1.29,"az":325.0,"t":"2027-05-17T10:10:00Z","terrain":-0.19},{"above_terrain":true,"airmass":28.56,"alt":0.76,"az":325.8,"t":"2027-05-17T10:15:00Z","terrain":-0.23},{"above_terrain":true,"airmass":34.55,"alt":0.24,"az":326.7,"t":"2027-05-17T10:20:00Z","terrain":-0.34},{"above_terrain":true,"airmass":null,"alt":-0.27,"az":327.5,"t":"2027-05-17T10:25:00Z","terrain":-0.31},{"above_terrain":false,"airmass":null,"alt":-0.77,"az":328.3,"t":"2027-05-17T10:30:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-1.25,"az":329.2,"t":"2027-05-17T10:35:00Z","terrain":-0.17},{"above_terrain":false,"airmass":null,"alt":-1.72,"az":330.1,"t":"2027-05-17T10:40:00Z","terrain":-0.35},{"above_terrain":false,"airmass":null,"alt":-2.18,"az":330.9,"t":"2027-05-17T10:45:00Z","terrain":-0.39},{"above_terrain":false,"airmass":null,"alt":-2.63,"az":331.8,"t":"2027-05-17T10:50:00Z","terrain":-0.19},{"above_terrain":false,"airmass":null,"alt":-3.07,"az":332.7,"t":"2027-05-17T10:55:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-3.49,"az":333.5,"t":"2027-05-17T11:00:00Z","terrain":-0.18},{"above_terrain":false,"airmass":null,"alt":-3.9,"az":334.4,"t":"2027-05-17T11:05:00Z","terrain":-0.38},{"above_terrain":false,"airmass":null,"alt":-4.3,"az":335.3,"t":"2027-05-17T11:10:00Z","terrain":-0.67},{"above_terrain":false,"airmass":null,"alt":-4.69,"az":336.2,"t":"2027-05-17T11:15:00Z","terrain":-0.81},{"above_terrain":false,"airmass":null,"alt":-5.06,"az":337.1,"t":"2027-05-17T11:20:00Z","terrain":-0.7},{"above_terrain":false,"airmass":null,"alt":-5.41,"az":338.0,"t":"2027-05-17T11:25:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-5.76,"az":339.0,"t":"2027-05-17T11:30:00Z","terrain":-0.74},{"above_terrain":false,"airmass":null,"alt":-6.08,"az":339.9,"t":"2027-05-17T11:35:00Z","terrain":-0.56},{"above_terrain":false,"airmass":null,"alt":-6.4,"az":340.8,"t":"2027-05-17T11:40:00Z","terrain":-0.46},{"above_terrain":false,"airmass":null,"alt":-6.7,"az":341.8,"t":"2027-05-17T11:45:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-6.99,"az":342.7,"t":"2027-05-17T11:50:00Z","terrain":-0.42},{"above_terrain":false,"airmass":null,"alt":-7.26,"az":343.6,"t":"2027-05-17T11:55:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-7.51,"az":344.6,"t":"2027-05-17T12:00:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-7.75,"az":345.5,"t":"2027-05-17T12:05:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-7.98,"az":346.5,"t":"2027-05-17T12:10:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-8.19,"az":347.5,"t":"2027-05-17T12:15:00Z","terrain":-0.29},{"above_terrain":false,"airmass":null,"alt":-8.39,"az":348.4,"t":"2027-05-17T12:20:00Z","terrain":-0.08},{"above_terrain":false,"airmass":null,"alt":-8.57,"az":349.4,"t":"2027-05-17T12:25:00Z","terrain":0.06},{"above_terrain":false,"airmass":null,"alt":-8.73,"az":350.4,"t":"2027-05-17T12:30:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-8.88,"az":351.4,"t":"2027-05-17T12:35:00Z","terrain":0.19},{"above_terrain":false,"airmass":null,"alt":-9.01,"az":352.3,"t":"2027-05-17T12:40:00Z","terrain":0.35},{"above_terrain":false,"airmass":null,"alt":-9.13,"az":353.3,"t":"2027-05-17T12:45:00Z","terrain":0.54},{"above_terrain":false,"airmass":null,"alt":-9.23,"az":354.3,"t":"2027-05-17T12:50:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-9.31,"az":355.3,"t":"2027-05-17T12:55:00Z","terrain":0.66},{"above_terrain":false,"airmass":null,"alt":-9.38,"az":356.3,"t":"2027-05-17T13:00:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-9.44,"az":357.3,"t":"2027-05-17T13:05:00Z","terrain":0.72},{"above_terrain":false,"airmass":null,"alt":-9.47,"az":358.3,"t":"2027-05-17T13:10:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-9.49,"az":359.2,"t":"2027-05-17T13:15:00Z","terrain":0.59},{"above_terrain":false,"airmass":null,"alt":-9.5,"az":0.2,"t":"2027-05-17T13:20:00Z","terrain":0.47},{"above_terrain":false,"airmass":null,"alt":-9.49,"az":1.2,"t":"2027-05-17T13:25:00Z","terrain":0.31},{"above_terrain":false,"airmass":null,"alt":-9.46,"az":2.2,"t":"2027-05-17T13:30:00Z","terrain":0.07},{"above_terrain":false,"airmass":null,"alt":-9.41,"az":3.2,"t":"2027-05-17T13:35:00Z","terrain":-0.16},{"above_terrain":false,"airmass":null,"alt":-9.35,"az":4.2,"t":"2027-05-17T13:40:00Z","terrain":-0.31},{"above_terrain":false,"airmass":null,"alt":-9.28,"az":5.2,"t":"2027-05-17T13:45:00Z","terrain":-0.46},{"above_terrain":false,"airmass":null,"alt":-9.18,"az":6.2,"t":"2027-05-17T13:50:00Z","terrain":-0.56},{"above_terrain":false,"airmass":null,"alt":-9.08,"az":7.1,"t":"2027-05-17T13:55:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-8.95,"az":8.1,"t":"2027-05-17T14:00:00Z","terrain":-0.44},{"above_terrain":false,"airmass":null,"alt":-8.81,"az":9.1,"t":"2027-05-17T14:05:00Z","terrain":-0.65},{"above_terrain":false,"airmass":null,"alt":-8.66,"az":10.1,"t":"2027-05-17T14:10:00Z","terrain":-0.58},{"above_terrain":false,"airmass":null,"alt":-8.48,"az":11.1,"t":"2027-05-17T14:15:00Z","terrain":-0.39},{"above_terrain":false,"airmass":null,"alt":-8.3,"az":12.0,"t":"2027-05-17T14:20:00Z","terrain":-0.18},{"above_terrain":false,"airmass":null,"alt":-8.09,"az":13.0,"t":"2027-05-17T14:25:00Z","terrain":-0.07},{"above_terrain":false,"airmass":null,"alt":-7.88,"az":13.9,"t":"2027-05-17T14:30:00Z","terrain":0.08},{"above_terrain":false,"airmass":null,"alt":-7.64,"az":14.9,"t":"2027-05-17T14:35:00Z","terrain":0.38},{"above_terrain":false,"airmass":null,"alt":-7.4,"az":15.9,"t":"2027-05-17T14:40:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-7.13,"az":16.8,"t":"2027-05-17T14:45:00Z","terrain":0.47},{"above_terrain":false,"airmass":null,"alt":-6.85,"az":17.7,"t":"2027-05-17T14:50:00Z","terrain":0.51},{"above_terrain":false,"airmass":null,"alt":-6.56,"az":18.7,"t":"2027-05-17T14:55:00Z","terrain":0.59},{"above_terrain":false,"airmass":null,"alt":-6.25,"az":19.6,"t":"2027-05-17T15:00:00Z","terrain":0.65},{"above_terrain":false,"airmass":null,"alt":-5.93,"az":20.5,"t":"2027-05-17T15:05:00Z","terrain":0.68},{"above_terrain":false,"airmass":null,"alt":-5.6,"az":21.5,"t":"2027-05-17T15:10:00Z","terrain":0.83},{"above_terrain":false,"airmass":null,"alt":-5.25,"az":22.4,"t":"2027-05-17T15:15:00Z","terrain":1.06},{"above_terrain":false,"airmass":null,"alt":-4.88,"az":23.3,"t":"2027-05-17T15:20:00Z","terrain":1.09},{"above_terrain":false,"airmass":null,"alt":-4.51,"az":24.2,"t":"2027-05-17T15:25:00Z","terrain":0.98},{"above_terrain":false,"airmass":null,"alt":-4.12,"az":25.1,"t":"2027-05-17T15:30:00Z","terrain":1.23},{"above_terrain":false,"airmass":null,"alt":-3.71,"az":26.0,"t":"2027-05-17T15:35:00Z","terrain":1.34},{"above_terrain":false,"airmass":null,"alt":-3.3,"az":26.9,"t":"2027-05-17T15:40:00Z","terrain":1.29},{"above_terrain":false,"airmass":null,"alt":-2.87,"az":27.8,"t":"2027-05-17T15:45:00Z","terrain":1.21},{"above_terrain":false,"airmass":null,"alt":-2.43,"az":28.6,"t":"2027-05-17T15:50:00Z","terrain":1.07},{"above_terrain":false,"airmass":null,"alt":-1.97,"az":29.5,"t":"2027-05-17T15:55:00Z","terrain":1.07},{"above_terrain":false,"airmass":null,"alt":-1.5,"az":30.3,"t":"2027-05-17T16:00:00Z","terrain":1.21},{"above_terrain":false,"airmass":null,"alt":-1.03,"az":31.2,"t":"2027-05-17T16:05:00Z","terrain":1.31},{"above_terrain":false,"airmass":null,"alt":-0.53,"az":32.0,"t":"2027-05-17T16:10:00Z","terrain":1.32},{"above_terrain":false,"airmass":null,"alt":-0.03,"az":32.9,"t":"2027-05-17T16:15:00Z","terrain":1.03},{"above_terrain":false,"airmass":31.57,"alt":0.48,"az":33.7,"t":"2027-05-17T16:20:00Z","terrain":0.59},{"above_terrain":true,"airmass":26.26,"alt":1.01,"az":34.5,"t":"2027-05-17T16:25:00Z","terrain":0.23},{"above_terrain":true,"airmass":22.16,"alt":1.54,"az":35.4,"t":"2027-05-17T16:30:00Z","terrain":0.04},{"above_terrain":true,"airmass":18.97,"alt":2.09,"az":36.2,"t":"2027-05-17T16:35:00Z","terrain":0.01},{"above_terrain":true,"airmass":16.45,"alt":2.65,"az":37.0,"t":"2027-05-17T16:40:00Z","terrain":-0.09},{"above_terrain":true,"airmass":14.44,"alt":3.21,"az":37.8,"t":"2027-05-17T16:45:00Z","terrain":-0.18},{"above_terrain":true,"airmass":12.81,"alt":3.79,"az":38.5,"t":"2027-05-17T16:50:00Z","terrain":-0.18},{"above_terrain":true,"airmass":11.46,"alt":4.38,"az":39.3,"t":"2027-05-17T16:55:00Z","terrain":-0.12},{"above_terrain":true,"airmass":10.34,"alt":4.98,"az":40.1,"t":"2027-05-17T17:00:00Z","terrain":-0.04},{"above_terrain":true,"airmass":9.4,"alt":5.59,"az":40.9,"t":"2027-05-17T17:05:00Z","terrain":0.01},{"above_terrain":true,"airmass":8.59,"alt":6.2,"az":41.6,"t":"2027-05-17T17:10:00Z","terrain":0.08},{"above_terrain":true,"airmass":7.9,"alt":6.83,"az":42.4,"t":"2027-05-17T17:15:00Z","terrain":0.17},{"above_terrain":true,"airmass":7.3,"alt":7.47,"az":43.1,"t":"2027-05-17T17:20:00Z","terrain":0.27},{"above_terrain":true,"airmass":6.77,"alt":8.11,"az":43.9,"t":"2027-05-17T17:25:00Z","terrain":0.39},{"above_terrain":true,"airmass":6.31,"alt":8.76,"az":44.6,"t":"2027-05-17T17:30:00Z","terrain":0.51},{"above_terrain":true,"airmass":5.9,"alt":9.43,"az":45.3,"t":"2027-05-17T17:35:00Z","terrain":0.61},{"above_terrain":true,"airmass":5.54,"alt":10.09,"az":46.1,"t":"2027-05-17T17:40:00Z","terrain":0.67},{"above_terrain":true,"airmass":5.21,"alt":10.77,"az":46.8,"t":"2027-05-17T17:45:00Z","terrain":0.62},{"above_terrain":true,"airmass":4.92,"alt":11.46,"az":47.5,"t":"2027-05-17T17:50:00Z","terrain":0.57},{"above_terrain":true,"airmass":4.65,"alt":12.15,"az":48.2,"t":"2027-05-17T17:55:00Z","terrain":0.51},{"above_terrain":true,"airmass":4.41,"alt":12.85,"az":48.9,"t":"2027-05-17T18:00:00Z","terrain":0.42},{"above_terrain":true,"airmass":4.19,"alt":13.56,"az":49.6,"t":"2027-05-17T18:05:00Z","terrain":0.4},{"above_terrain":true,"airmass":4.0,"alt":14.28,"az":50.3,"t":"2027-05-17T18:10:00Z","terrain":0.43},{"above_terrain":true,"airmass":3.81,"alt":15.0,"az":50.9,"t":"2027-05-17T18:15:00Z","terrain":0.52},{"above_terrain":true,"airmass":3.64,"alt":15.73,"az":51.6,"t":"2027-05-17T18:20:00Z","terrain":0.59},{"above_terrain":true,"airmass":3.49,"alt":16.47,"az":52.3,"t":"2027-05-17T18:25:00Z","terrain":0.69},{"above_terrain":true,"airmass":3.35,"alt":17.21,"az":52.9,"t":"2027-05-17T18:30:00Z","terrain":0.83},{"above_terrain":true,"airmass":3.21,"alt":17.96,"az":53.6,"t":"2027-05-17T18:35:00Z","terrain":0.93},{"above_terrain":true,"airmass":3.09,"alt":18.72,"az":54.2,"t":"2027-05-17T18:40:00Z","terrain":1.02},{"above_terrain":true,"airmass":2.98,"alt":19.48,"az":54.9,"t":"2027-05-17T18:45:00Z","terrain":1.07},{"above_terrain":true,"airmass":2.87,"alt":20.25,"az":55.5,"t":"2027-05-17T18:50:00Z","terrain":1.06},{"above_terrain":true,"airmass":2.77,"alt":21.02,"az":56.2,"t":"2027-05-17T18:55:00Z","terrain":1.05},{"above_terrain":true,"airmass":2.68,"alt":21.81,"az":56.8,"t":"2027-05-17T19:00:00Z","terrain":1.07},{"above_terrain":true,"airmass":2.59,"alt":22.59,"az":57.4,"t":"2027-05-17T19:05:00Z","terrain":1.15},{"above_terrain":true,"airmass":2.51,"alt":23.38,"az":58.0,"t":"2027-05-17T19:10:00Z","terrain":1.25},{"above_terrain":true,"airmass":2.43,"alt":24.18,"az":58.7,"t":"2027-05-17T19:15:00Z","terrain":1.22},{"above_terrain":true,"airmass":2.36,"alt":24.98,"az":59.3,"t":"2027-05-17T19:20:00Z","terrain":1.2},{"above_terrain":true,"airmass":2.29,"alt":25.79,"az":59.9,"t":"2027-05-17T19:25:00Z","terrain":1.17},{"above_terrain":true,"airmass":2.22,"alt":26.6,"az":60.5,"t":"2027-05-17T19:30:00Z","terrain":1.13},{"above_terrain":true,"airmass":2.16,"alt":27.42,"az":61.1,"t":"2027-05-17T19:35:00Z","terrain":1.08},{"above_terrain":true,"airmass":2.11,"alt":28.24,"az":61.7,"t":"2027-05-17T19:40:00Z","terrain":1.04},{"above_terrain":true,"airmass":2.05,"alt":29.07,"az":62.3,"t":"2027-05-17T19:45:00Z","terrain":0.98},{"above_terrain":true,"airmass":2.0,"alt":29.9,"az":62.9,"t":"2027-05-17T19:50:00Z","terrain":0.92},{"above_terrain":true,"airmass":1.95,"alt":30.73,"az":63.5,"t":"2027-05-17T19:55:00Z","terrain":0.85},{"above_terrain":true,"airmass":1.91,"alt":31.57,"az":64.0,"t":"2027-05-17T20:00:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.86,"alt":32.41,"az":64.6,"t":"2027-05-17T20:05:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.82,"alt":33.26,"az":65.2,"t":"2027-05-17T20:10:00Z","terrain":0.78},{"above_terrain":true,"airmass":1.78,"alt":34.11,"az":65.8,"t":"2027-05-17T20:15:00Z","terrain":0.82},{"above_terrain":true,"airmass":1.74,"alt":34.97,"az":66.3,"t":"2027-05-17T20:20:00Z","terrain":0.86},{"above_terrain":true,"airmass":1.71,"alt":35.83,"az":66.9,"t":"2027-05-17T20:25:00Z","terrain":0.92},{"above_terrain":true,"airmass":1.67,"alt":36.69,"az":67.5,"t":"2027-05-17T20:30:00Z","terrain":0.96},{"above_terrain":true,"airmass":1.64,"alt":37.56,"az":68.0,"t":"2027-05-17T20:35:00Z","terrain":0.99},{"above_terrain":true,"airmass":1.61,"alt":38.43,"az":68.6,"t":"2027-05-17T20:40:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.58,"alt":39.3,"az":69.2,"t":"2027-05-17T20:45:00Z","terrain":1.08},{"above_terrain":true,"airmass":1.55,"alt":40.18,"az":69.7,"t":"2027-05-17T20:50:00Z","terrain":1.18},{"above_terrain":true,"airmass":1.52,"alt":41.06,"az":70.3,"t":"2027-05-17T20:55:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.49,"alt":41.94,"az":70.9,"t":"2027-05-17T21:00:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.47,"alt":42.82,"az":71.4,"t":"2027-05-17T21:05:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.45,"alt":43.71,"az":72.0,"t":"2027-05-17T21:10:00Z","terrain":1.2},{"above_terrain":true,"airmass":1.42,"alt":44.6,"az":72.5,"t":"2027-05-17T21:15:00Z","terrain":1.09},{"above_terrain":true,"airmass":1.4,"alt":45.5,"az":73.1,"t":"2027-05-17T21:20:00Z","terrain":0.97},{"above_terrain":true,"airmass":1.38,"alt":46.4,"az":73.6,"t":"2027-05-17T21:25:00Z","terrain":0.82},{"above_terrain":true,"airmass":1.36,"alt":47.29,"az":74.2,"t":"2027-05-17T21:30:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.34,"alt":48.2,"az":74.8,"t":"2027-05-17T21:35:00Z","terrain":0.65},{"above_terrain":true,"airmass":1.32,"alt":49.1,"az":75.3,"t":"2027-05-17T21:40:00Z","terrain":0.66},{"above_terrain":true,"airmass":1.3,"alt":50.01,"az":75.9,"t":"2027-05-17T21:45:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.29,"alt":50.92,"az":76.4,"t":"2027-05-17T21:50:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.27,"alt":51.83,"az":77.0,"t":"2027-05-17T21:55:00Z","terrain":0.7},{"above_terrain":true,"airmass":1.26,"alt":52.74,"az":77.6,"t":"2027-05-17T22:00:00Z","terrain":0.66},{"above_terrain":true,"airmass":1.24,"alt":53.66,"az":78.1,"t":"2027-05-17T22:05:00Z","terrain":0.62},{"above_terrain":true,"airmass":1.23,"alt":54.57,"az":78.7,"t":"2027-05-17T22:10:00Z","terrain":0.59},{"above_terrain":true,"airmass":1.21,"alt":55.49,"az":79.3,"t":"2027-05-17T22:15:00Z","terrain":0.54},{"above_terrain":true,"airmass":1.2,"alt":56.41,"az":79.9,"t":"2027-05-17T22:20:00Z","terrain":0.47},{"above_terrain":true,"airmass":1.19,"alt":57.33,"az":80.5,"t":"2027-05-17T22:25:00Z","terrain":0.56},{"above_terrain":true,"airmass":1.18,"alt":58.26,"az":81.1,"t":"2027-05-17T22:30:00Z","terrain":0.69},{"above_terrain":true,"airmass":1.16,"alt":59.18,"az":81.7,"t":"2027-05-17T22:35:00Z","terrain":0.76},{"above_terrain":true,"airmass":1.15,"alt":60.11,"az":82.3,"t":"2027-05-17T22:40:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.14,"alt":61.04,"az":82.9,"t":"2027-05-17T22:45:00Z","terrain":0.51},{"above_terrain":true,"airmass":1.13,"alt":61.97,"az":83.5,"t":"2027-05-17T22:50:00Z","terrain":0.42},{"above_terrain":true,"airmass":1.12,"alt":62.9,"az":84.2,"t":"2027-05-17T22:55:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.11,"alt":63.83,"az":84.8,"t":"2027-05-17T23:00:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.1,"alt":64.76,"az":85.5,"t":"2027-05-17T23:05:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.1,"alt":65.7,"az":86.2,"t":"2027-05-17T23:10:00Z","terrain":0.15},{"above_terrain":true,"airmass":1.09,"alt":66.63,"az":86.9,"t":"2027-05-17T23:15:00Z","terrain":0.08},{"above_terrain":true,"airmass":1.08,"alt":67.56,"az":87.6,"t":"2027-05-17T23:20:00Z","terrain":-0.01},{"above_terrain":true,"airmass":1.07,"alt":68.5,"az":88.4,"t":"2027-05-17T23:25:00Z","terrain":-0.12},{"above_terrain":true,"airmass":1.07,"alt":69.44,"az":89.1,"t":"2027-05-17T23:30:00Z","terrain":-0.2},{"above_terrain":true,"airmass":1.06,"alt":70.37,"az":89.9,"t":"2027-05-17T23:35:00Z","terrain":-0.22},{"above_terrain":true,"airmass":1.06,"alt":71.31,"az":90.8,"t":"2027-05-17T23:40:00Z","terrain":-0.12},{"above_terrain":true,"airmass":1.05,"alt":72.24,"az":91.7,"t":"2027-05-17T23:45:00Z","terrain":0.04},{"above_terrain":true,"airmass":1.04,"alt":73.18,"az":92.6,"t":"2027-05-17T23:50:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.04,"alt":74.11,"az":93.6,"t":"2027-05-17T23:55:00Z","terrain":0.38},{"above_terrain":true,"airmass":1.03,"alt":75.05,"az":94.7,"t":"2027-05-18T00:00:00Z","terrain":0.39},{"above_terrain":true,"airmass":1.03,"alt":75.98,"az":95.9,"t":"2027-05-18T00:05:00Z","terrain":0.53},{"above_terrain":true,"airmass":1.03,"alt":76.91,"az":97.2,"t":"2027-05-18T00:10:00Z","terrain":0.72},{"above_terrain":true,"airmass":1.02,"alt":77.83,"az":98.6,"t":"2027-05-18T00:15:00Z","terrain":0.56},{"above_terrain":true,"airmass":1.02,"alt":78.76,"az":100.2,"t":"2027-05-18T00:20:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.02,"alt":79.68,"az":101.9,"t":"2027-05-18T00:25:00Z","terrain":-0.03},{"above_terrain":true,"airmass":1.01,"alt":80.59,"az":104.0,"t":"2027-05-18T00:30:00Z","terrain":0.0},{"above_terrain":true,"airmass":1.01,"alt":81.49,"az":106.4,"t":"2027-05-18T00:35:00Z","terrain":-0.63},{"above_terrain":true,"airmass":1.01,"alt":82.38,"az":109.2,"t":"2027-05-18T00:40:00Z","terrain":-1.18},{"above_terrain":true,"airmass":1.01,"alt":83.26,"az":112.7,"t":"2027-05-18T00:45:00Z","terrain":-1.42},{"above_terrain":true,"airmass":1.0,"alt":84.11,"az":117.1,"t":"2027-05-18T00:50:00Z","terrain":-1.61},{"above_terrain":true,"airmass":1.0,"alt":84.92,"az":122.8,"t":"2027-05-18T00:55:00Z","terrain":-1.35},{"above_terrain":true,"airmass":1.0,"alt":85.67,"az":130.4,"t":"2027-05-18T01:00:00Z","terrain":-1.61},{"above_terrain":true,"airmass":1.0,"alt":86.33,"az":140.8,"t":"2027-05-18T01:05:00Z","terrain":-1.14},{"above_terrain":true,"airmass":1.0,"alt":86.83,"az":154.9,"t":"2027-05-18T01:10:00Z","terrain":-1.08},{"above_terrain":true,"airmass":1.0,"alt":87.09,"az":172.8,"t":"2027-05-18T01:15:00Z","terrain":-0.53},{"above_terrain":true,"airmass":1.0,"alt":87.05,"az":192.0,"t":"2027-05-18T01:20:00Z","terrain":-0.4},{"above_terrain":true,"airmass":1.0,"alt":86.72,"az":209.0,"t":"2027-05-18T01:25:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.0,"alt":86.18,"az":222.1,"t":"2027-05-18T01:30:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.0,"alt":85.49,"az":231.7,"t":"2027-05-18T01:35:00Z","terrain":0.89},{"above_terrain":true,"airmass":1.0,"alt":84.72,"az":238.8,"t":"2027-05-18T01:40:00Z","terrain":0.56},{"above_terrain":true,"airmass":1.01,"alt":83.9,"az":244.1,"t":"2027-05-18T01:45:00Z","terrain":0.95},{"above_terrain":true,"airmass":1.01,"alt":83.04,"az":248.3,"t":"2027-05-18T01:50:00Z","terrain":0.56},{"above_terrain":true,"airmass":1.01,"alt":82.16,"az":251.6,"t":"2027-05-18T01:55:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.01,"alt":81.27,"az":254.3,"t":"2027-05-18T02:00:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.01,"alt":80.36,"az":256.6,"t":"2027-05-18T02:05:00Z","terrain":0.41},{"above_terrain":true,"airmass":1.02,"alt":79.45,"az":258.5,"t":"2027-05-18T02:10:00Z","terrain":0.43},{"above_terrain":true,"airmass":1.02,"alt":78.53,"az":260.3,"t":"2027-05-18T02:15:00Z","terrain":0.63},{"above_terrain":true,"airmass":1.02,"alt":77.6,"az":261.8,"t":"2027-05-18T02:20:00Z","terrain":0.95},{"above_terrain":true,"airmass":1.03,"alt":76.67,"az":263.2,"t":"2027-05-18T02:25:00Z","terrain":0.76},{"above_terrain":true,"airmass":1.03,"alt":75.74,"az":264.4,"t":"2027-05-18T02:30:00Z","terrain":0.47},{"above_terrain":true,"airmass":1.04,"alt":74.81,"az":265.5,"t":"2027-05-18T02:35:00Z","terrain":0.43},{"above_terrain":true,"airmass":1.04,"alt":73.88,"az":266.6,"t":"2027-05-18T02:40:00Z","terrain":0.53},{"above_terrain":true,"airmass":1.05,"alt":72.94,"az":267.6,"t":"2027-05-18T02:45:00Z","terrain":0.62},{"above_terrain":true,"airmass":1.05,"alt":72.01,"az":268.5,"t":"2027-05-18T02:50:00Z","terrain":0.7},{"above_terrain":true,"airmass":1.06,"alt":71.07,"az":269.4,"t":"2027-05-18T02:55:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.06,"alt":70.13,"az":270.3,"t":"2027-05-18T03:00:00Z","terrain":0.87},{"above_terrain":true,"airmass":1.07,"alt":69.2,"az":271.1,"t":"2027-05-18T03:05:00Z","terrain":0.76},{"above_terrain":true,"airmass":1.08,"alt":68.26,"az":271.8,"t":"2027-05-18T03:10:00Z","terrain":0.48},{"above_terrain":true,"airmass":1.08,"alt":67.33,"az":272.6,"t":"2027-05-18T03:15:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.09,"alt":66.39,"az":273.3,"t":"2027-05-18T03:20:00Z","terrain":0.09},{"above_terrain":true,"airmass":1.1,"alt":65.46,"az":274.0,"t":"2027-05-18T03:25:00Z","terrain":-0.03},{"above_terrain":true,"airmass":1.11,"alt":64.53,"az":274.7,"t":"2027-05-18T03:30:00Z","terrain":0.05},{"above_terrain":true,"airmass":1.12,"alt":63.59,"az":275.4,"t":"2027-05-18T03:35:00Z","terrain":0.05},{"above_terrain":true,"airmass":1.13,"alt":62.66,"az":276.0,"t":"2027-05-18T03:40:00Z","terrain":-0.01},{"above_terrain":true,"airmass":1.13,"alt":61.73,"az":276.6,"t":"2027-05-18T03:45:00Z","terrain":-0.09},{"above_terrain":true,"airmass":1.14,"alt":60.8,"az":277.3,"t":"2027-05-18T03:50:00Z","terrain":-0.12},{"above_terrain":true,"airmass":1.16,"alt":59.88,"az":277.9,"t":"2027-05-18T03:55:00Z","terrain":-0.09},{"above_terrain":true,"airmass":1.17,"alt":58.95,"az":278.5,"t":"2027-05-18T04:00:00Z","terrain":-0.05},{"above_terrain":true,"airmass":1.18,"alt":58.02,"az":279.1,"t":"2027-05-18T04:05:00Z","terrain":-0.03},{"above_terrain":true,"airmass":1.19,"alt":57.1,"az":279.7,"t":"2027-05-18T04:10:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.2,"alt":56.18,"az":280.3,"t":"2027-05-18T04:15:00Z","terrain":-0.09},{"above_terrain":true,"airmass":1.22,"alt":55.26,"az":280.9,"t":"2027-05-18T04:20:00Z","terrain":0.01},{"above_terrain":true,"airmass":1.23,"alt":54.34,"az":281.4,"t":"2027-05-18T04:25:00Z","terrain":-0.04},{"above_terrain":true,"airmass":1.24,"alt":53.42,"az":282.0,"t":"2027-05-18T04:30:00Z","terrain":-0.13},{"above_terrain":true,"airmass":1.26,"alt":52.51,"az":282.6,"t":"2027-05-18T04:35:00Z","terrain":-0.06},{"above_terrain":true,"airmass":1.27,"alt":51.6,"az":283.1,"t":"2027-05-18T04:40:00Z","terrain":0.01},{"above_terrain":true,"airmass":1.29,"alt":50.69,"az":283.7,"t":"2027-05-18T04:45:00Z","terrain":0.08},{"above_terrain":true,"airmass":1.31,"alt":49.78,"az":284.3,"t":"2027-05-18T04:50:00Z","terrain":0.15},{"above_terrain":true,"airmass":1.33,"alt":48.87,"az":284.8,"t":"2027-05-18T04:55:00Z","terrain":0.21},{"above_terrain":true,"airmass":1.34,"alt":47.97,"az":285.4,"t":"2027-05-18T05:00:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.36,"alt":47.07,"az":285.9,"t":"2027-05-18T05:05:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.38,"alt":46.17,"az":286.5,"t":"2027-05-18T05:10:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.41,"alt":45.27,"az":287.1,"t":"2027-05-18T05:15:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.43,"alt":44.38,"az":287.6,"t":"2027-05-18T05:20:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.45,"alt":43.49,"az":288.2,"t":"2027-05-18T05:25:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.48,"alt":42.6,"az":288.7,"t":"2027-05-18T05:30:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.5,"alt":41.72,"az":289.3,"t":"2027-05-18T05:35:00Z","terrain":0.21},{"above_terrain":true,"airmass":1.53,"alt":40.83,"az":289.8,"t":"2027-05-18T05:40:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.55,"alt":39.96,"az":290.4,"t":"2027-05-18T05:45:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.58,"alt":39.08,"az":291.0,"t":"2027-05-18T05:50:00Z","terrain":0.48},{"above_terrain":true,"airmass":1.61,"alt":38.21,"az":291.5,"t":"2027-05-18T05:55:00Z","terrain":0.52},{"above_terrain":true,"airmass":1.65,"alt":37.34,"az":292.1,"t":"2027-05-18T06:00:00Z","terrain":0.52},{"above_terrain":true,"airmass":1.68,"alt":36.47,"az":292.7,"t":"2027-05-18T06:05:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.71,"alt":35.61,"az":293.2,"t":"2027-05-18T06:10:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.75,"alt":34.75,"az":293.8,"t":"2027-05-18T06:15:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.79,"alt":33.9,"az":294.4,"t":"2027-05-18T06:20:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.83,"alt":33.05,"az":294.9,"t":"2027-05-18T06:25:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.87,"alt":32.2,"az":295.5,"t":"2027-05-18T06:30:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.92,"alt":31.36,"az":296.1,"t":"2027-05-18T06:35:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.96,"alt":30.52,"az":296.7,"t":"2027-05-18T06:40:00Z","terrain":0.28},{"above_terrain":true,"airmass":2.01,"alt":29.69,"az":297.3,"t":"2027-05-18T06:45:00Z","terrain":0.22},{"above_terrain":true,"airmass":2.07,"alt":28.86,"az":297.9,"t":"2027-05-18T06:50:00Z","terrain":0.14},{"above_terrain":true,"airmass":2.12,"alt":28.03,"az":298.5,"t":"2027-05-18T06:55:00Z","terrain":0.14},{"above_terrain":true,"airmass":2.18,"alt":27.21,"az":299.1,"t":"2027-05-18T07:00:00Z","terrain":0.18},{"above_terrain":true,"airmass":2.24,"alt":26.4,"az":299.7,"t":"2027-05-18T07:05:00Z","terrain":0.3},{"above_terrain":true,"airmass":2.31,"alt":25.58,"az":300.3,"t":"2027-05-18T07:10:00Z","terrain":0.36},{"above_terrain":true,"airmass":2.38,"alt":24.78,"az":300.9,"t":"2027-05-18T07:15:00Z","terrain":0.33},{"above_terrain":true,"airmass":2.45,"alt":23.98,"az":301.5,"t":"2027-05-18T07:20:00Z","terrain":0.2},{"above_terrain":true,"airmass":2.53,"alt":23.18,"az":302.1,"t":"2027-05-18T07:25:00Z","terrain":0.05},{"above_terrain":true,"airmass":2.61,"alt":22.39,"az":302.7,"t":"2027-05-18T07:30:00Z","terrain":-0.15},{"above_terrain":true,"airmass":2.7,"alt":21.61,"az":303.4,"t":"2027-05-18T07:35:00Z","terrain":-0.18},{"above_terrain":true,"airmass":2.79,"alt":20.83,"az":304.0,"t":"2027-05-18T07:40:00Z","terrain":-0.1},{"above_terrain":true,"airmass":2.9,"alt":20.06,"az":304.6,"t":"2027-05-18T07:45:00Z","terrain":-0.22},{"above_terrain":true,"airmass":3.0,"alt":19.29,"az":305.3,"t":"2027-05-18T07:50:00Z","terrain":-0.26},{"above_terrain":true,"airmass":3.12,"alt":18.53,"az":305.9,"t":"2027-05-18T07:55:00Z","terrain":-0.18},{"above_terrain":true,"airmass":3.25,"alt":17.77,"az":306.6,"t":"2027-05-18T08:00:00Z","terrain":0.03},{"above_terrain":true,"airmass":3.38,"alt":17.02,"az":307.2,"t":"2027-05-18T08:05:00Z","terrain":0.21},{"above_terrain":true,"airmass":3.53,"alt":16.28,"az":307.9,"t":"2027-05-18T08:10:00Z","terrain":0.31},{"above_terrain":true,"airmass":3.69,"alt":15.55,"az":308.6,"t":"2027-05-18T08:15:00Z","terrain":0.24},{"above_terrain":true,"airmass":3.86,"alt":14.82,"az":309.2,"t":"2027-05-18T08:20:00Z","terrain":0.18},{"above_terrain":true,"airmass":4.04,"alt":14.1,"az":309.9,"t":"2027-05-18T08:25:00Z","terrain":0.22},{"above_terrain":true,"airmass":4.25,"alt":13.38,"az":310.6,"t":"2027-05-18T08:30:00Z","terrain":0.3},{"above_terrain":true,"airmass":4.47,"alt":12.68,"az":311.3,"t":"2027-05-18T08:35:00Z","terrain":0.3},{"above_terrain":true,"airmass":4.72,"alt":11.98,"az":312.0,"t":"2027-05-18T08:40:00Z","terrain":0.14},{"above_terrain":true,"airmass":4.99,"alt":11.28,"az":312.7,"t":"2027-05-18T08:45:00Z","terrain":0.23},{"above_terrain":true,"airmass":5.29,"alt":10.6,"az":313.4,"t":"2027-05-18T08:50:00Z","terrain":0.35},{"above_terrain":true,"airmass":5.63,"alt":9.92,"az":314.1,"t":"2027-05-18T08:55:00Z","terrain":0.48},{"above_terrain":true,"airmass":6.0,"alt":9.26,"az":314.8,"t":"2027-05-18T09:00:00Z","terrain":0.55}],"transit":{"airmass":1.0,"alt":87.1,"az":172.8,"t":"2027-05-18T01:15:00Z"},"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."]}
