{"assessment":{"best_window":{"end":"2027-05-13T01:10Z","end_local":"04:10","hours":5.33,"label":"good","mean_quality":0.89,"start":"2027-05-12T19:50Z","start_local":"22:50"},"cost":{"altitude":0.95,"clouds":0.0,"darkness":1.5,"moon":0.21},"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":10,"cloud":null,"high":null,"iso":"2027-05-12T18:00Z","label":"unusable","low":null,"mid":null,"moon_alt":55,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"21:00","wind":null},{"alt":19,"cloud":null,"high":null,"iso":"2027-05-12T19:00Z","label":"unusable","low":null,"mid":null,"moon_alt":46,"precip":null,"q":0.0,"rh":null,"sky":"astronomical twilight","temp":null,"time":"22:00","wind":null},{"alt":28,"cloud":null,"high":null,"iso":"2027-05-12T20:00Z","label":"good","low":null,"mid":null,"moon_alt":35,"precip":null,"q":0.68,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":38,"cloud":null,"high":null,"iso":"2027-05-12T21:00Z","label":"good","low":null,"mid":null,"moon_alt":24,"precip":null,"q":0.8,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":49,"cloud":null,"high":null,"iso":"2027-05-12T22:00Z","label":"good","low":null,"mid":null,"moon_alt":13,"precip":null,"q":0.87,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":60,"cloud":null,"high":null,"iso":"2027-05-12T23:00Z","label":"good","low":null,"mid":null,"moon_alt":2,"precip":null,"q":0.95,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":71,"cloud":null,"high":null,"iso":"2027-05-13T00:00Z","label":"good","low":null,"mid":null,"moon_alt":-8,"precip":null,"q":1.0,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":82,"cloud":null,"high":null,"iso":"2027-05-13T01:00Z","label":"good","low":null,"mid":null,"moon_alt":-17,"precip":null,"q":1.0,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":85,"cloud":null,"high":null,"iso":"2027-05-13T02:00Z","label":"poor","low":null,"mid":null,"moon_alt":-25,"precip":null,"q":0.15,"rh":null,"sky":"nautical twilight","temp":null,"time":"05:00","wind":null},{"alt":74,"cloud":null,"high":null,"iso":"2027-05-13T03:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-31,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"06:00","wind":null}],"peak_quality":1.0,"peak_sky":1.0,"quality_hours":5.5,"reasons":["daylight and twilight cost 1.5 quality-hours","the target being low or below 20\u00b0 cost 0.9 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":100,"score_weather":null,"sky_hours":5.5,"verdict":"unknown","verdict_astronomy":"good","weather_known":false,"windows":[{"end":"2027-05-12T19:10Z","end_local":"22:10","hours":1.67,"label":"unusable","mean_quality":0.0,"start":"2027-05-12T17:30Z","start_local":"20:30"},{"end":"2027-05-12T19:25Z","end_local":"22:25","hours":0.25,"label":"poor","mean_quality":0.2,"start":"2027-05-12T19:10Z","start_local":"22:10"},{"end":"2027-05-12T19:50Z","end_local":"22:50","hours":0.42,"label":"marginal","mean_quality":0.52,"start":"2027-05-12T19:25Z","start_local":"22:25"},{"end":"2027-05-13T01:10Z","end_local":"04:10","hours":5.33,"label":"good","mean_quality":0.89,"start":"2027-05-12T19:50Z","start_local":"22:50"},{"end":"2027-05-13T01:55Z","end_local":"04:55","hours":0.75,"label":"marginal","mean_quality":0.5,"start":"2027-05-13T01:10Z","start_local":"04:10"},{"end":"2027-05-13T02:35Z","end_local":"05:35","hours":0.67,"label":"poor","mean_quality":0.15,"start":"2027-05-13T01:55Z","start_local":"04:55"},{"end":"2027-05-13T03:05Z","end_local":"06:05","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2027-05-13T02:35Z","start_local":"05:35"}]},"calculation_version":"2026-10-10.1","forecast":[],"forecast_source":"none","forecast_updated_at":null,"limits":{"good_alt":30.0,"usable_alt":20.0},"night":{"dark_from":"2027-05-12T19:24:39Z","dark_hours":5.75,"dark_to":"2027-05-13T01:09:48Z","moon":{"illumination":0.469,"phase":"waxing crescent","waxing":true},"moon_free_dark_hours":1.93,"moonrise":null,"moonset":"2027-05-12T23:12:46Z","sunrise":"2027-05-13T03:03:55Z","sunset":"2027-05-12T17:30:30Z","twilight":{"astronomical":{"end":"2027-05-12T19:24:39Z","start":"2027-05-13T01:09:48Z"},"civil":{"end":"2027-05-12T18:01:57Z","start":"2027-05-13T02:32:28Z"},"nautical":{"end":"2027-05-12T18:41:01Z","start":"2027-05-13T01:53:25Z"}},"window_end":"2027-05-13T09:00:00Z","window_start":"2027-05-12T09:00:00Z"},"night_date":"2027-05-12","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.01,"alt":83.3,"t":"2027-05-13T01:05:00Z"},"dec":38.78368896,"dec_of_date":38.8084,"dec_str":"+38\u00b0 47' 01.3\"","good_hours":4.92,"limit_rise":"2027-05-12T19:08:01Z","limit_set":"2027-05-13T08:05:01Z","max_az_rate_deg_per_min":3.83,"moon_separation":113.6,"never_rises":false,"ra":279.23473479,"ra_of_date":279.4645,"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":"4.9 dark hours above 30\u00b0 \u2014 a proper target for this night.","terrain":{"available":true,"behind_at":"2027-05-12T10:44:58Z","blocked_dark_hours":0,"clears_at":"2027-05-12T16:40:14Z","rise_az":311.5},"track":[{"above_terrain":true,"airmass":4.54,"alt":12.48,"az":311.5,"t":"2027-05-12T09:00:00Z","terrain":0.25},{"above_terrain":true,"airmass":4.79,"alt":11.78,"az":312.2,"t":"2027-05-12T09:05:00Z","terrain":0.16},{"above_terrain":true,"airmass":5.07,"alt":11.09,"az":312.9,"t":"2027-05-12T09:10:00Z","terrain":0.26},{"above_terrain":true,"airmass":5.38,"alt":10.41,"az":313.6,"t":"2027-05-12T09:15:00Z","terrain":0.39},{"above_terrain":true,"airmass":5.73,"alt":9.74,"az":314.3,"t":"2027-05-12T09:20:00Z","terrain":0.5},{"above_terrain":true,"airmass":6.11,"alt":9.07,"az":315.0,"t":"2027-05-12T09:25:00Z","terrain":0.56},{"above_terrain":true,"airmass":6.55,"alt":8.41,"az":315.8,"t":"2027-05-12T09:30:00Z","terrain":0.5},{"above_terrain":true,"airmass":7.04,"alt":7.76,"az":316.5,"t":"2027-05-12T09:35:00Z","terrain":0.39},{"above_terrain":true,"airmass":7.61,"alt":7.13,"az":317.3,"t":"2027-05-12T09:40:00Z","terrain":0.31},{"above_terrain":true,"airmass":8.25,"alt":6.49,"az":318.0,"t":"2027-05-12T09:45:00Z","terrain":0.32},{"above_terrain":true,"airmass":9.0,"alt":5.87,"az":318.8,"t":"2027-05-12T09:50:00Z","terrain":-0.03},{"above_terrain":true,"airmass":9.88,"alt":5.26,"az":319.5,"t":"2027-05-12T09:55:00Z","terrain":-0.17},{"above_terrain":true,"airmass":10.92,"alt":4.66,"az":320.3,"t":"2027-05-12T10:00:00Z","terrain":-0.2},{"above_terrain":true,"airmass":12.15,"alt":4.07,"az":321.1,"t":"2027-05-12T10:05:00Z","terrain":-0.16},{"above_terrain":true,"airmass":13.64,"alt":3.48,"az":321.9,"t":"2027-05-12T10:10:00Z","terrain":0.16},{"above_terrain":true,"airmass":15.46,"alt":2.91,"az":322.7,"t":"2027-05-12T10:15:00Z","terrain":0.12},{"above_terrain":true,"airmass":17.73,"alt":2.35,"az":323.5,"t":"2027-05-12T10:20:00Z","terrain":-0.05},{"above_terrain":true,"airmass":20.58,"alt":1.8,"az":324.3,"t":"2027-05-12T10:25:00Z","terrain":-0.2},{"above_terrain":true,"airmass":24.22,"alt":1.25,"az":325.1,"t":"2027-05-12T10:30:00Z","terrain":-0.19},{"above_terrain":true,"airmass":28.92,"alt":0.72,"az":325.9,"t":"2027-05-12T10:35:00Z","terrain":-0.24},{"above_terrain":true,"airmass":35.02,"alt":0.21,"az":326.7,"t":"2027-05-12T10:40:00Z","terrain":-0.35},{"above_terrain":false,"airmass":null,"alt":-0.3,"az":327.6,"t":"2027-05-12T10:45:00Z","terrain":-0.3},{"above_terrain":false,"airmass":null,"alt":-0.8,"az":328.4,"t":"2027-05-12T10:50:00Z","terrain":-0.19},{"above_terrain":false,"airmass":null,"alt":-1.28,"az":329.3,"t":"2027-05-12T10:55:00Z","terrain":-0.19},{"above_terrain":false,"airmass":null,"alt":-1.76,"az":330.1,"t":"2027-05-12T11:00:00Z","terrain":-0.35},{"above_terrain":false,"airmass":null,"alt":-2.22,"az":331.0,"t":"2027-05-12T11:05:00Z","terrain":-0.39},{"above_terrain":false,"airmass":null,"alt":-2.66,"az":331.8,"t":"2027-05-12T11:10:00Z","terrain":-0.18},{"above_terrain":false,"airmass":null,"alt":-3.1,"az":332.7,"t":"2027-05-12T11:15:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-3.52,"az":333.6,"t":"2027-05-12T11:20:00Z","terrain":-0.19},{"above_terrain":false,"airmass":null,"alt":-3.93,"az":334.5,"t":"2027-05-12T11:25:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-4.33,"az":335.4,"t":"2027-05-12T11:30:00Z","terrain":-0.68},{"above_terrain":false,"airmass":null,"alt":-4.71,"az":336.3,"t":"2027-05-12T11:35:00Z","terrain":-0.8},{"above_terrain":false,"airmass":null,"alt":-5.08,"az":337.2,"t":"2027-05-12T11:40:00Z","terrain":-0.68},{"above_terrain":false,"airmass":null,"alt":-5.44,"az":338.1,"t":"2027-05-12T11:45:00Z","terrain":-0.5},{"above_terrain":false,"airmass":null,"alt":-5.78,"az":339.0,"t":"2027-05-12T11:50:00Z","terrain":-0.74},{"above_terrain":false,"airmass":null,"alt":-6.11,"az":339.9,"t":"2027-05-12T11:55:00Z","terrain":-0.54},{"above_terrain":false,"airmass":null,"alt":-6.42,"az":340.9,"t":"2027-05-12T12:00:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-6.72,"az":341.8,"t":"2027-05-12T12:05:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-7.0,"az":342.8,"t":"2027-05-12T12:10:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-7.27,"az":343.7,"t":"2027-05-12T12:15:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-7.53,"az":344.7,"t":"2027-05-12T12:20:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-7.77,"az":345.6,"t":"2027-05-12T12:25:00Z","terrain":-0.49},{"above_terrain":false,"airmass":null,"alt":-8.0,"az":346.6,"t":"2027-05-12T12:30:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-8.2,"az":347.5,"t":"2027-05-12T12:35:00Z","terrain":-0.27},{"above_terrain":false,"airmass":null,"alt":-8.4,"az":348.5,"t":"2027-05-12T12:40:00Z","terrain":-0.07},{"above_terrain":false,"airmass":null,"alt":-8.58,"az":349.5,"t":"2027-05-12T12:45:00Z","terrain":0.07},{"above_terrain":false,"airmass":null,"alt":-8.74,"az":350.4,"t":"2027-05-12T12:50:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-8.89,"az":351.4,"t":"2027-05-12T12:55:00Z","terrain":0.19},{"above_terrain":false,"airmass":null,"alt":-9.02,"az":352.4,"t":"2027-05-12T13:00:00Z","terrain":0.36},{"above_terrain":false,"airmass":null,"alt":-9.14,"az":353.4,"t":"2027-05-12T13:05:00Z","terrain":0.55},{"above_terrain":false,"airmass":null,"alt":-9.24,"az":354.4,"t":"2027-05-12T13:10:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-9.32,"az":355.4,"t":"2027-05-12T13:15:00Z","terrain":0.67},{"above_terrain":false,"airmass":null,"alt":-9.39,"az":356.3,"t":"2027-05-12T13:20:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-9.44,"az":357.3,"t":"2027-05-12T13:25:00Z","terrain":0.71},{"above_terrain":false,"airmass":null,"alt":-9.48,"az":358.3,"t":"2027-05-12T13:30:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-9.49,"az":359.3,"t":"2027-05-12T13:35:00Z","terrain":0.58},{"above_terrain":false,"airmass":null,"alt":-9.5,"az":0.3,"t":"2027-05-12T13:40:00Z","terrain":0.46},{"above_terrain":false,"airmass":null,"alt":-9.48,"az":1.3,"t":"2027-05-12T13:45:00Z","terrain":0.3},{"above_terrain":false,"airmass":null,"alt":-9.46,"az":2.3,"t":"2027-05-12T13:50:00Z","terrain":0.05},{"above_terrain":false,"airmass":null,"alt":-9.41,"az":3.3,"t":"2027-05-12T13:55:00Z","terrain":-0.17},{"above_terrain":false,"airmass":null,"alt":-9.35,"az":4.3,"t":"2027-05-12T14:00:00Z","terrain":-0.32},{"above_terrain":false,"airmass":null,"alt":-9.27,"az":5.2,"t":"2027-05-12T14:05:00Z","terrain":-0.47},{"above_terrain":false,"airmass":null,"alt":-9.18,"az":6.2,"t":"2027-05-12T14:10:00Z","terrain":-0.55},{"above_terrain":false,"airmass":null,"alt":-9.07,"az":7.2,"t":"2027-05-12T14:15:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-8.94,"az":8.2,"t":"2027-05-12T14:20:00Z","terrain":-0.46},{"above_terrain":false,"airmass":null,"alt":-8.8,"az":9.2,"t":"2027-05-12T14:25:00Z","terrain":-0.65},{"above_terrain":false,"airmass":null,"alt":-8.64,"az":10.1,"t":"2027-05-12T14:30:00Z","terrain":-0.57},{"above_terrain":false,"airmass":null,"alt":-8.47,"az":11.1,"t":"2027-05-12T14:35:00Z","terrain":-0.37},{"above_terrain":false,"airmass":null,"alt":-8.28,"az":12.1,"t":"2027-05-12T14:40:00Z","terrain":-0.17},{"above_terrain":false,"airmass":null,"alt":-8.08,"az":13.1,"t":"2027-05-12T14:45:00Z","terrain":-0.06},{"above_terrain":false,"airmass":null,"alt":-7.86,"az":14.0,"t":"2027-05-12T14:50:00Z","terrain":0.09},{"above_terrain":false,"airmass":null,"alt":-7.63,"az":15.0,"t":"2027-05-12T14:55:00Z","terrain":0.4},{"above_terrain":false,"airmass":null,"alt":-7.38,"az":15.9,"t":"2027-05-12T15:00:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-7.11,"az":16.9,"t":"2027-05-12T15:05:00Z","terrain":0.47},{"above_terrain":false,"airmass":null,"alt":-6.83,"az":17.8,"t":"2027-05-12T15:10:00Z","terrain":0.52},{"above_terrain":false,"airmass":null,"alt":-6.54,"az":18.7,"t":"2027-05-12T15:15:00Z","terrain":0.6},{"above_terrain":false,"airmass":null,"alt":-6.23,"az":19.7,"t":"2027-05-12T15:20:00Z","terrain":0.65},{"above_terrain":false,"airmass":null,"alt":-5.91,"az":20.6,"t":"2027-05-12T15:25:00Z","terrain":0.68},{"above_terrain":false,"airmass":null,"alt":-5.57,"az":21.5,"t":"2027-05-12T15:30:00Z","terrain":0.85},{"above_terrain":false,"airmass":null,"alt":-5.22,"az":22.4,"t":"2027-05-12T15:35:00Z","terrain":1.07},{"above_terrain":false,"airmass":null,"alt":-4.86,"az":23.4,"t":"2027-05-12T15:40:00Z","terrain":1.07},{"above_terrain":false,"airmass":null,"alt":-4.48,"az":24.3,"t":"2027-05-12T15:45:00Z","terrain":1.0},{"above_terrain":false,"airmass":null,"alt":-4.09,"az":25.2,"t":"2027-05-12T15:50:00Z","terrain":1.24},{"above_terrain":false,"airmass":null,"alt":-3.69,"az":26.0,"t":"2027-05-12T15:55:00Z","terrain":1.34},{"above_terrain":false,"airmass":null,"alt":-3.27,"az":26.9,"t":"2027-05-12T16:00:00Z","terrain":1.28},{"above_terrain":false,"airmass":null,"alt":-2.84,"az":27.8,"t":"2027-05-12T16:05:00Z","terrain":1.21},{"above_terrain":false,"airmass":null,"alt":-2.4,"az":28.7,"t":"2027-05-12T16:10:00Z","terrain":1.06},{"above_terrain":false,"airmass":null,"alt":-1.94,"az":29.5,"t":"2027-05-12T16:15:00Z","terrain":1.08},{"above_terrain":false,"airmass":null,"alt":-1.47,"az":30.4,"t":"2027-05-12T16:20:00Z","terrain":1.21},{"above_terrain":false,"airmass":null,"alt":-0.99,"az":31.3,"t":"2027-05-12T16:25:00Z","terrain":1.32},{"above_terrain":false,"airmass":null,"alt":-0.5,"az":32.1,"t":"2027-05-12T16:30:00Z","terrain":1.3},{"above_terrain":false,"airmass":37.89,"alt":0.0,"az":32.9,"t":"2027-05-12T16:35:00Z","terrain":1.01},{"above_terrain":false,"airmass":31.16,"alt":0.52,"az":33.8,"t":"2027-05-12T16:40:00Z","terrain":0.56},{"above_terrain":true,"airmass":25.94,"alt":1.04,"az":34.6,"t":"2027-05-12T16:45:00Z","terrain":0.21},{"above_terrain":true,"airmass":21.91,"alt":1.58,"az":35.4,"t":"2027-05-12T16:50:00Z","terrain":0.04},{"above_terrain":true,"airmass":18.78,"alt":2.13,"az":36.2,"t":"2027-05-12T16:55:00Z","terrain":0.0},{"above_terrain":true,"airmass":16.3,"alt":2.69,"az":37.0,"t":"2027-05-12T17:00:00Z","terrain":-0.09},{"above_terrain":true,"airmass":14.32,"alt":3.25,"az":37.8,"t":"2027-05-12T17:05:00Z","terrain":-0.19},{"above_terrain":true,"airmass":12.71,"alt":3.83,"az":38.6,"t":"2027-05-12T17:10:00Z","terrain":-0.18},{"above_terrain":true,"airmass":11.38,"alt":4.42,"az":39.4,"t":"2027-05-12T17:15:00Z","terrain":-0.12},{"above_terrain":true,"airmass":10.27,"alt":5.02,"az":40.2,"t":"2027-05-12T17:20:00Z","terrain":-0.04},{"above_terrain":true,"airmass":9.34,"alt":5.63,"az":40.9,"t":"2027-05-12T17:25:00Z","terrain":0.01},{"above_terrain":true,"airmass":8.54,"alt":6.25,"az":41.7,"t":"2027-05-12T17:30:00Z","terrain":0.09},{"above_terrain":true,"airmass":7.85,"alt":6.87,"az":42.4,"t":"2027-05-12T17:35:00Z","terrain":0.18},{"above_terrain":true,"airmass":7.26,"alt":7.51,"az":43.2,"t":"2027-05-12T17:40:00Z","terrain":0.28},{"above_terrain":true,"airmass":6.74,"alt":8.15,"az":43.9,"t":"2027-05-12T17:45:00Z","terrain":0.4},{"above_terrain":true,"airmass":6.28,"alt":8.81,"az":44.7,"t":"2027-05-12T17:50:00Z","terrain":0.52},{"above_terrain":true,"airmass":5.88,"alt":9.47,"az":45.4,"t":"2027-05-12T17:55:00Z","terrain":0.61},{"above_terrain":true,"airmass":5.51,"alt":10.14,"az":46.1,"t":"2027-05-12T18:00:00Z","terrain":0.66},{"above_terrain":true,"airmass":5.19,"alt":10.82,"az":46.8,"t":"2027-05-12T18:05:00Z","terrain":0.62},{"above_terrain":true,"airmass":4.9,"alt":11.51,"az":47.5,"t":"2027-05-12T18:10:00Z","terrain":0.57},{"above_terrain":true,"airmass":4.64,"alt":12.2,"az":48.2,"t":"2027-05-12T18:15:00Z","terrain":0.5},{"above_terrain":true,"airmass":4.4,"alt":12.9,"az":48.9,"t":"2027-05-12T18:20:00Z","terrain":0.42},{"above_terrain":true,"airmass":4.18,"alt":13.61,"az":49.6,"t":"2027-05-12T18:25:00Z","terrain":0.4},{"above_terrain":true,"airmass":3.98,"alt":14.33,"az":50.3,"t":"2027-05-12T18:30:00Z","terrain":0.44},{"above_terrain":true,"airmass":3.8,"alt":15.05,"az":51.0,"t":"2027-05-12T18:35:00Z","terrain":0.53},{"above_terrain":true,"airmass":3.63,"alt":15.78,"az":51.7,"t":"2027-05-12T18:40:00Z","terrain":0.6},{"above_terrain":true,"airmass":3.48,"alt":16.52,"az":52.3,"t":"2027-05-12T18:45:00Z","terrain":0.7},{"above_terrain":true,"airmass":3.34,"alt":17.26,"az":53.0,"t":"2027-05-12T18:50:00Z","terrain":0.84},{"above_terrain":true,"airmass":3.2,"alt":18.01,"az":53.6,"t":"2027-05-12T18:55:00Z","terrain":0.94},{"above_terrain":true,"airmass":3.08,"alt":18.77,"az":54.3,"t":"2027-05-12T19:00:00Z","terrain":1.02},{"above_terrain":true,"airmass":2.97,"alt":19.53,"az":54.9,"t":"2027-05-12T19:05:00Z","terrain":1.07},{"above_terrain":true,"airmass":2.86,"alt":20.3,"az":55.6,"t":"2027-05-12T19:10:00Z","terrain":1.06},{"above_terrain":true,"airmass":2.76,"alt":21.08,"az":56.2,"t":"2027-05-12T19:15:00Z","terrain":1.05},{"above_terrain":true,"airmass":2.67,"alt":21.86,"az":56.8,"t":"2027-05-12T19:20:00Z","terrain":1.07},{"above_terrain":true,"airmass":2.58,"alt":22.65,"az":57.5,"t":"2027-05-12T19:25:00Z","terrain":1.15},{"above_terrain":true,"airmass":2.5,"alt":23.44,"az":58.1,"t":"2027-05-12T19:30:00Z","terrain":1.25},{"above_terrain":true,"airmass":2.43,"alt":24.23,"az":58.7,"t":"2027-05-12T19:35:00Z","terrain":1.22},{"above_terrain":true,"airmass":2.35,"alt":25.04,"az":59.3,"t":"2027-05-12T19:40:00Z","terrain":1.2},{"above_terrain":true,"airmass":2.28,"alt":25.84,"az":59.9,"t":"2027-05-12T19:45:00Z","terrain":1.17},{"above_terrain":true,"airmass":2.22,"alt":26.66,"az":60.5,"t":"2027-05-12T19:50:00Z","terrain":1.13},{"above_terrain":true,"airmass":2.16,"alt":27.47,"az":61.1,"t":"2027-05-12T19:55:00Z","terrain":1.08},{"above_terrain":true,"airmass":2.1,"alt":28.3,"az":61.7,"t":"2027-05-12T20:00:00Z","terrain":1.03},{"above_terrain":true,"airmass":2.05,"alt":29.12,"az":62.3,"t":"2027-05-12T20:05:00Z","terrain":0.98},{"above_terrain":true,"airmass":2.0,"alt":29.95,"az":62.9,"t":"2027-05-12T20:10:00Z","terrain":0.92},{"above_terrain":true,"airmass":1.95,"alt":30.79,"az":63.5,"t":"2027-05-12T20:15:00Z","terrain":0.84},{"above_terrain":true,"airmass":1.9,"alt":31.63,"az":64.1,"t":"2027-05-12T20:20:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.86,"alt":32.47,"az":64.7,"t":"2027-05-12T20:25:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.82,"alt":33.32,"az":65.2,"t":"2027-05-12T20:30:00Z","terrain":0.78},{"above_terrain":true,"airmass":1.78,"alt":34.17,"az":65.8,"t":"2027-05-12T20:35:00Z","terrain":0.82},{"above_terrain":true,"airmass":1.74,"alt":35.03,"az":66.4,"t":"2027-05-12T20:40:00Z","terrain":0.87},{"above_terrain":true,"airmass":1.7,"alt":35.89,"az":67.0,"t":"2027-05-12T20:45:00Z","terrain":0.93},{"above_terrain":true,"airmass":1.67,"alt":36.75,"az":67.5,"t":"2027-05-12T20:50:00Z","terrain":0.96},{"above_terrain":true,"airmass":1.64,"alt":37.62,"az":68.1,"t":"2027-05-12T20:55:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.6,"alt":38.49,"az":68.7,"t":"2027-05-12T21:00:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.57,"alt":39.36,"az":69.2,"t":"2027-05-12T21:05:00Z","terrain":1.09},{"above_terrain":true,"airmass":1.55,"alt":40.24,"az":69.8,"t":"2027-05-12T21:10:00Z","terrain":1.18},{"above_terrain":true,"airmass":1.52,"alt":41.12,"az":70.3,"t":"2027-05-12T21:15:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.49,"alt":42.0,"az":70.9,"t":"2027-05-12T21:20:00Z","terrain":1.26},{"above_terrain":true,"airmass":1.47,"alt":42.89,"az":71.4,"t":"2027-05-12T21:25:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.44,"alt":43.77,"az":72.0,"t":"2027-05-12T21:30:00Z","terrain":1.2},{"above_terrain":true,"airmass":1.42,"alt":44.67,"az":72.6,"t":"2027-05-12T21:35:00Z","terrain":1.08},{"above_terrain":true,"airmass":1.4,"alt":45.56,"az":73.1,"t":"2027-05-12T21:40:00Z","terrain":0.96},{"above_terrain":true,"airmass":1.38,"alt":46.46,"az":73.7,"t":"2027-05-12T21:45:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.36,"alt":47.36,"az":74.2,"t":"2027-05-12T21:50:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.34,"alt":48.26,"az":74.8,"t":"2027-05-12T21:55:00Z","terrain":0.65},{"above_terrain":true,"airmass":1.32,"alt":49.16,"az":75.4,"t":"2027-05-12T22:00:00Z","terrain":0.66},{"above_terrain":true,"airmass":1.3,"alt":50.07,"az":75.9,"t":"2027-05-12T22:05:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.29,"alt":50.98,"az":76.5,"t":"2027-05-12T22:10:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.27,"alt":51.89,"az":77.0,"t":"2027-05-12T22:15:00Z","terrain":0.7},{"above_terrain":true,"airmass":1.25,"alt":52.8,"az":77.6,"t":"2027-05-12T22:20:00Z","terrain":0.66},{"above_terrain":true,"airmass":1.24,"alt":53.72,"az":78.2,"t":"2027-05-12T22:25:00Z","terrain":0.62},{"above_terrain":true,"airmass":1.23,"alt":54.63,"az":78.8,"t":"2027-05-12T22:30:00Z","terrain":0.58},{"above_terrain":true,"airmass":1.21,"alt":55.55,"az":79.3,"t":"2027-05-12T22:35:00Z","terrain":0.53},{"above_terrain":true,"airmass":1.2,"alt":56.47,"az":79.9,"t":"2027-05-12T22:40:00Z","terrain":0.47},{"above_terrain":true,"airmass":1.19,"alt":57.4,"az":80.5,"t":"2027-05-12T22:45:00Z","terrain":0.57},{"above_terrain":true,"airmass":1.17,"alt":58.32,"az":81.1,"t":"2027-05-12T22:50:00Z","terrain":0.69},{"above_terrain":true,"airmass":1.16,"alt":59.25,"az":81.7,"t":"2027-05-12T22:55:00Z","terrain":0.76},{"above_terrain":true,"airmass":1.15,"alt":60.17,"az":82.3,"t":"2027-05-12T23:00:00Z","terrain":0.7},{"above_terrain":true,"airmass":1.14,"alt":61.1,"az":82.9,"t":"2027-05-12T23:05:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.13,"alt":62.03,"az":83.6,"t":"2027-05-12T23:10:00Z","terrain":0.42},{"above_terrain":true,"airmass":1.12,"alt":62.96,"az":84.2,"t":"2027-05-12T23:15:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.11,"alt":63.89,"az":84.9,"t":"2027-05-12T23:20:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.1,"alt":64.83,"az":85.5,"t":"2027-05-12T23:25:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.1,"alt":65.76,"az":86.2,"t":"2027-05-12T23:30:00Z","terrain":0.15},{"above_terrain":true,"airmass":1.09,"alt":66.69,"az":86.9,"t":"2027-05-12T23:35:00Z","terrain":0.08},{"above_terrain":true,"airmass":1.08,"alt":67.63,"az":87.7,"t":"2027-05-12T23:40:00Z","terrain":-0.02},{"above_terrain":true,"airmass":1.07,"alt":68.56,"az":88.4,"t":"2027-05-12T23:45:00Z","terrain":-0.12},{"above_terrain":true,"airmass":1.07,"alt":69.5,"az":89.2,"t":"2027-05-12T23:50:00Z","terrain":-0.2},{"above_terrain":true,"airmass":1.06,"alt":70.44,"az":90.0,"t":"2027-05-12T23:55:00Z","terrain":-0.22},{"above_terrain":true,"airmass":1.05,"alt":71.37,"az":90.9,"t":"2027-05-13T00:00:00Z","terrain":-0.11},{"above_terrain":true,"airmass":1.05,"alt":72.31,"az":91.8,"t":"2027-05-13T00:05:00Z","terrain":0.05},{"above_terrain":true,"airmass":1.04,"alt":73.24,"az":92.7,"t":"2027-05-13T00:10:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.04,"alt":74.18,"az":93.7,"t":"2027-05-13T00:15:00Z","terrain":0.39},{"above_terrain":true,"airmass":1.03,"alt":75.11,"az":94.8,"t":"2027-05-13T00:20:00Z","terrain":0.39},{"above_terrain":true,"airmass":1.03,"alt":76.04,"az":96.0,"t":"2027-05-13T00:25:00Z","terrain":0.55},{"above_terrain":true,"airmass":1.03,"alt":76.97,"az":97.3,"t":"2027-05-13T00:30:00Z","terrain":0.72},{"above_terrain":true,"airmass":1.02,"alt":77.9,"az":98.7,"t":"2027-05-13T00:35:00Z","terrain":0.54},{"above_terrain":true,"airmass":1.02,"alt":78.82,"az":100.3,"t":"2027-05-13T00:40:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.02,"alt":79.74,"az":102.1,"t":"2027-05-13T00:45:00Z","terrain":-0.05},{"above_terrain":true,"airmass":1.01,"alt":80.65,"az":104.1,"t":"2027-05-13T00:50:00Z","terrain":-0.02},{"above_terrain":true,"airmass":1.01,"alt":81.55,"az":106.5,"t":"2027-05-13T00:55:00Z","terrain":-0.62},{"above_terrain":true,"airmass":1.01,"alt":82.44,"az":109.4,"t":"2027-05-13T01:00:00Z","terrain":-1.17},{"above_terrain":true,"airmass":1.01,"alt":83.32,"az":113.0,"t":"2027-05-13T01:05:00Z","terrain":-1.44},{"above_terrain":true,"airmass":1.0,"alt":84.16,"az":117.4,"t":"2027-05-13T01:10:00Z","terrain":-1.54},{"above_terrain":true,"airmass":1.0,"alt":84.97,"az":123.2,"t":"2027-05-13T01:15:00Z","terrain":-1.41},{"above_terrain":true,"airmass":1.0,"alt":85.72,"az":131.0,"t":"2027-05-13T01:20:00Z","terrain":-1.69},{"above_terrain":true,"airmass":1.0,"alt":86.37,"az":141.7,"t":"2027-05-13T01:25:00Z","terrain":-1.24},{"above_terrain":true,"airmass":1.0,"alt":86.86,"az":156.1,"t":"2027-05-13T01:30:00Z","terrain":-1.24},{"above_terrain":true,"airmass":1.0,"alt":87.1,"az":174.1,"t":"2027-05-13T01:35:00Z","terrain":-0.39},{"above_terrain":true,"airmass":1.0,"alt":87.04,"az":193.3,"t":"2027-05-13T01:40:00Z","terrain":-0.46},{"above_terrain":true,"airmass":1.0,"alt":86.69,"az":210.0,"t":"2027-05-13T01:45:00Z","terrain":0.65},{"above_terrain":true,"airmass":1.0,"alt":86.13,"az":222.9,"t":"2027-05-13T01:50:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.0,"alt":85.44,"az":232.3,"t":"2027-05-13T01:55:00Z","terrain":0.87},{"above_terrain":true,"airmass":1.0,"alt":84.66,"az":239.2,"t":"2027-05-13T02:00:00Z","terrain":0.57},{"above_terrain":true,"airmass":1.01,"alt":83.84,"az":244.4,"t":"2027-05-13T02:05:00Z","terrain":0.96},{"above_terrain":true,"airmass":1.01,"alt":82.98,"az":248.5,"t":"2027-05-13T02:10:00Z","terrain":0.53},{"above_terrain":true,"airmass":1.01,"alt":82.1,"az":251.8,"t":"2027-05-13T02:15:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.01,"alt":81.2,"az":254.5,"t":"2027-05-13T02:20:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.01,"alt":80.3,"az":256.7,"t":"2027-05-13T02:25:00Z","terrain":0.42},{"above_terrain":true,"airmass":1.02,"alt":79.38,"az":258.7,"t":"2027-05-13T02:30:00Z","terrain":0.44},{"above_terrain":true,"airmass":1.02,"alt":78.46,"az":260.4,"t":"2027-05-13T02:35:00Z","terrain":0.66},{"above_terrain":true,"airmass":1.02,"alt":77.54,"az":261.9,"t":"2027-05-13T02:40:00Z","terrain":0.96},{"above_terrain":true,"airmass":1.03,"alt":76.61,"az":263.2,"t":"2027-05-13T02:45:00Z","terrain":0.74},{"above_terrain":true,"airmass":1.03,"alt":75.68,"az":264.5,"t":"2027-05-13T02:50:00Z","terrain":0.46},{"above_terrain":true,"airmass":1.04,"alt":74.75,"az":265.6,"t":"2027-05-13T02:55:00Z","terrain":0.44},{"above_terrain":true,"airmass":1.04,"alt":73.81,"az":266.7,"t":"2027-05-13T03:00:00Z","terrain":0.54},{"above_terrain":true,"airmass":1.05,"alt":72.88,"az":267.7,"t":"2027-05-13T03:05:00Z","terrain":0.62},{"above_terrain":true,"airmass":1.05,"alt":71.94,"az":268.6,"t":"2027-05-13T03:10:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.06,"alt":71.01,"az":269.5,"t":"2027-05-13T03:15:00Z","terrain":0.82},{"above_terrain":true,"airmass":1.06,"alt":70.07,"az":270.3,"t":"2027-05-13T03:20:00Z","terrain":0.86},{"above_terrain":true,"airmass":1.07,"alt":69.13,"az":271.1,"t":"2027-05-13T03:25:00Z","terrain":0.74},{"above_terrain":true,"airmass":1.08,"alt":68.2,"az":271.9,"t":"2027-05-13T03:30:00Z","terrain":0.46},{"above_terrain":true,"airmass":1.08,"alt":67.26,"az":272.6,"t":"2027-05-13T03:35:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.09,"alt":66.33,"az":273.4,"t":"2027-05-13T03:40:00Z","terrain":0.08},{"above_terrain":true,"airmass":1.1,"alt":65.4,"az":274.1,"t":"2027-05-13T03:45:00Z","terrain":-0.02},{"above_terrain":true,"airmass":1.11,"alt":64.46,"az":274.7,"t":"2027-05-13T03:50:00Z","terrain":0.06},{"above_terrain":true,"airmass":1.12,"alt":63.53,"az":275.4,"t":"2027-05-13T03:55:00Z","terrain":0.05},{"above_terrain":true,"airmass":1.13,"alt":62.6,"az":276.0,"t":"2027-05-13T04:00:00Z","terrain":-0.02},{"above_terrain":true,"airmass":1.14,"alt":61.67,"az":276.7,"t":"2027-05-13T04:05:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.15,"alt":60.74,"az":277.3,"t":"2027-05-13T04:10:00Z","terrain":-0.12},{"above_terrain":true,"airmass":1.16,"alt":59.81,"az":277.9,"t":"2027-05-13T04:15:00Z","terrain":-0.08},{"above_terrain":true,"airmass":1.17,"alt":58.89,"az":278.5,"t":"2027-05-13T04:20:00Z","terrain":-0.05},{"above_terrain":true,"airmass":1.18,"alt":57.96,"az":279.1,"t":"2027-05-13T04:25:00Z","terrain":-0.03},{"above_terrain":true,"airmass":1.19,"alt":57.04,"az":279.7,"t":"2027-05-13T04:30:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.2,"alt":56.12,"az":280.3,"t":"2027-05-13T04:35:00Z","terrain":-0.08},{"above_terrain":true,"airmass":1.22,"alt":55.2,"az":280.9,"t":"2027-05-13T04:40:00Z","terrain":0.01},{"above_terrain":true,"airmass":1.23,"alt":54.28,"az":281.5,"t":"2027-05-13T04:45:00Z","terrain":-0.05},{"above_terrain":true,"airmass":1.25,"alt":53.36,"az":282.0,"t":"2027-05-13T04:50:00Z","terrain":-0.12},{"above_terrain":true,"airmass":1.26,"alt":52.45,"az":282.6,"t":"2027-05-13T04:55:00Z","terrain":-0.06},{"above_terrain":true,"airmass":1.28,"alt":51.53,"az":283.2,"t":"2027-05-13T05:00:00Z","terrain":0.01},{"above_terrain":true,"airmass":1.29,"alt":50.62,"az":283.7,"t":"2027-05-13T05:05:00Z","terrain":0.09},{"above_terrain":true,"airmass":1.31,"alt":49.72,"az":284.3,"t":"2027-05-13T05:10:00Z","terrain":0.15},{"above_terrain":true,"airmass":1.33,"alt":48.81,"az":284.9,"t":"2027-05-13T05:15:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.35,"alt":47.91,"az":285.4,"t":"2027-05-13T05:20:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.37,"alt":47.01,"az":286.0,"t":"2027-05-13T05:25:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.39,"alt":46.11,"az":286.5,"t":"2027-05-13T05:30:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.41,"alt":45.21,"az":287.1,"t":"2027-05-13T05:35:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.43,"alt":44.32,"az":287.7,"t":"2027-05-13T05:40:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.45,"alt":43.43,"az":288.2,"t":"2027-05-13T05:45:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.48,"alt":42.54,"az":288.8,"t":"2027-05-13T05:50:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.5,"alt":41.66,"az":289.3,"t":"2027-05-13T05:55:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.53,"alt":40.77,"az":289.9,"t":"2027-05-13T06:00:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.56,"alt":39.9,"az":290.4,"t":"2027-05-13T06:05:00Z","terrain":0.38},{"above_terrain":true,"airmass":1.59,"alt":39.02,"az":291.0,"t":"2027-05-13T06:10:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.62,"alt":38.15,"az":291.6,"t":"2027-05-13T06:15:00Z","terrain":0.52},{"above_terrain":true,"airmass":1.65,"alt":37.28,"az":292.1,"t":"2027-05-13T06:20:00Z","terrain":0.51},{"above_terrain":true,"airmass":1.68,"alt":36.41,"az":292.7,"t":"2027-05-13T06:25:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.72,"alt":35.55,"az":293.3,"t":"2027-05-13T06:30:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.75,"alt":34.69,"az":293.8,"t":"2027-05-13T06:35:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.79,"alt":33.84,"az":294.4,"t":"2027-05-13T06:40:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.83,"alt":32.99,"az":295.0,"t":"2027-05-13T06:45:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.87,"alt":32.14,"az":295.6,"t":"2027-05-13T06:50:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.92,"alt":31.3,"az":296.1,"t":"2027-05-13T06:55:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.97,"alt":30.46,"az":296.7,"t":"2027-05-13T07:00:00Z","terrain":0.28},{"above_terrain":true,"airmass":2.02,"alt":29.63,"az":297.3,"t":"2027-05-13T07:05:00Z","terrain":0.22},{"above_terrain":true,"airmass":2.07,"alt":28.8,"az":297.9,"t":"2027-05-13T07:10:00Z","terrain":0.13},{"above_terrain":true,"airmass":2.12,"alt":27.98,"az":298.5,"t":"2027-05-13T07:15:00Z","terrain":0.15},{"above_terrain":true,"airmass":2.18,"alt":27.15,"az":299.1,"t":"2027-05-13T07:20:00Z","terrain":0.19},{"above_terrain":true,"airmass":2.25,"alt":26.34,"az":299.7,"t":"2027-05-13T07:25:00Z","terrain":0.31},{"above_terrain":true,"airmass":2.31,"alt":25.53,"az":300.3,"t":"2027-05-13T07:30:00Z","terrain":0.35},{"above_terrain":true,"airmass":2.38,"alt":24.72,"az":300.9,"t":"2027-05-13T07:35:00Z","terrain":0.32},{"above_terrain":true,"airmass":2.45,"alt":23.92,"az":301.5,"t":"2027-05-13T07:40:00Z","terrain":0.19},{"above_terrain":true,"airmass":2.53,"alt":23.13,"az":302.2,"t":"2027-05-13T07:45:00Z","terrain":0.03},{"above_terrain":true,"airmass":2.62,"alt":22.34,"az":302.8,"t":"2027-05-13T07:50:00Z","terrain":-0.16},{"above_terrain":true,"airmass":2.71,"alt":21.55,"az":303.4,"t":"2027-05-13T07:55:00Z","terrain":-0.18},{"above_terrain":true,"airmass":2.8,"alt":20.78,"az":304.0,"t":"2027-05-13T08:00:00Z","terrain":-0.11},{"above_terrain":true,"airmass":2.9,"alt":20.0,"az":304.7,"t":"2027-05-13T08:05:00Z","terrain":-0.23},{"above_terrain":true,"airmass":3.01,"alt":19.24,"az":305.3,"t":"2027-05-13T08:10:00Z","terrain":-0.25},{"above_terrain":true,"airmass":3.13,"alt":18.48,"az":306.0,"t":"2027-05-13T08:15:00Z","terrain":-0.17},{"above_terrain":true,"airmass":3.26,"alt":17.72,"az":306.6,"t":"2027-05-13T08:20:00Z","terrain":0.05},{"above_terrain":true,"airmass":3.39,"alt":16.97,"az":307.3,"t":"2027-05-13T08:25:00Z","terrain":0.22},{"above_terrain":true,"airmass":3.54,"alt":16.23,"az":307.9,"t":"2027-05-13T08:30:00Z","terrain":0.31},{"above_terrain":true,"airmass":3.7,"alt":15.5,"az":308.6,"t":"2027-05-13T08:35:00Z","terrain":0.23},{"above_terrain":true,"airmass":3.87,"alt":14.77,"az":309.3,"t":"2027-05-13T08:40:00Z","terrain":0.18},{"above_terrain":true,"airmass":4.06,"alt":14.05,"az":310.0,"t":"2027-05-13T08:45:00Z","terrain":0.22},{"above_terrain":true,"airmass":4.26,"alt":13.33,"az":310.6,"t":"2027-05-13T08:50:00Z","terrain":0.31},{"above_terrain":true,"airmass":4.49,"alt":12.63,"az":311.3,"t":"2027-05-13T08:55:00Z","terrain":0.28},{"above_terrain":true,"airmass":4.74,"alt":11.93,"az":312.0,"t":"2027-05-13T09:00:00Z","terrain":0.15}],"transit":{"airmass":1.0,"alt":87.1,"az":174.1,"t":"2027-05-13T01:35:00Z"},"usable_hours":5.75,"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."]}