{"assessment":{"best_window":{"end":"2029-09-17T22:05Z","end_local":"01:05","hours":4.0,"label":"good","mean_quality":0.64,"start":"2029-09-17T18:05Z","start_local":"21:05"},"cost":{"altitude":3.94,"clouds":0.0,"darkness":1.29,"moon":1.65},"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":86,"cloud":null,"high":null,"iso":"2029-09-17T17:00Z","label":"poor","low":null,"mid":null,"moon_alt":26,"precip":null,"q":0.1,"rh":null,"sky":"nautical twilight","temp":null,"time":"20:00","wind":null},{"alt":80,"cloud":null,"high":null,"iso":"2029-09-17T18:00Z","label":"marginal","low":null,"mid":null,"moon_alt":29,"precip":null,"q":0.33,"rh":null,"sky":"astronomical twilight","temp":null,"time":"21:00","wind":null},{"alt":69,"cloud":null,"high":null,"iso":"2029-09-17T19:00Z","label":"good","low":null,"mid":null,"moon_alt":29,"precip":null,"q":0.66,"rh":null,"sky":"night","temp":null,"time":"22:00","wind":null},{"alt":58,"cloud":null,"high":null,"iso":"2029-09-17T20:00Z","label":"good","low":null,"mid":null,"moon_alt":26,"precip":null,"q":0.66,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":47,"cloud":null,"high":null,"iso":"2029-09-17T21:00Z","label":"good","low":null,"mid":null,"moon_alt":21,"precip":null,"q":0.63,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":36,"cloud":null,"high":null,"iso":"2029-09-17T22:00Z","label":"good","low":null,"mid":null,"moon_alt":14,"precip":null,"q":0.6,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":26,"cloud":null,"high":null,"iso":"2029-09-17T23:00Z","label":"marginal","low":null,"mid":null,"moon_alt":5,"precip":null,"q":0.49,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":17,"cloud":null,"high":null,"iso":"2029-09-18T00:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-4,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":9,"cloud":null,"high":null,"iso":"2029-09-18T01:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-15,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":1,"cloud":null,"high":null,"iso":"2029-09-18T02:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-25,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"05:00","wind":null},{"alt":-4,"cloud":null,"high":null,"iso":"2029-09-18T03:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-36,"precip":null,"q":0.0,"rh":null,"sky":"astronomical twilight","temp":null,"time":"06:00","wind":null},{"alt":-8,"cloud":null,"high":null,"iso":"2029-09-18T04:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-46,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"07:00","wind":null}],"peak_quality":0.66,"peak_sky":0.66,"quality_hours":3.63,"reasons":["the target being low or below 20\u00b0 cost 3.9 quality-hours","moonlight cost 1.7 quality-hours","daylight and twilight cost 1.3 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":60,"score_weather":null,"sky_hours":3.63,"verdict":"unknown","verdict_astronomy":"marginal","weather_known":false,"windows":[{"end":"2029-09-17T16:55Z","end_local":"19:55","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2029-09-17T16:25Z","start_local":"19:25"},{"end":"2029-09-17T17:30Z","end_local":"20:30","hours":0.58,"label":"poor","mean_quality":0.1,"start":"2029-09-17T16:55Z","start_local":"19:55"},{"end":"2029-09-17T18:05Z","end_local":"21:05","hours":0.58,"label":"marginal","mean_quality":0.33,"start":"2029-09-17T17:30Z","start_local":"20:30"},{"end":"2029-09-17T22:05Z","end_local":"01:05","hours":4.0,"label":"good","mean_quality":0.64,"start":"2029-09-17T18:05Z","start_local":"21:05"},{"end":"2029-09-17T23:40Z","end_local":"02:40","hours":1.58,"label":"marginal","mean_quality":0.51,"start":"2029-09-17T22:05Z","start_local":"01:05"},{"end":"2029-09-18T04:05Z","end_local":"07:05","hours":4.42,"label":"unusable","mean_quality":0.0,"start":"2029-09-17T23:40Z","start_local":"02:40"}]},"calculation_version":"2026-10-10.1","forecast":[],"forecast_source":"none","forecast_updated_at":null,"limits":{"good_alt":30.0,"usable_alt":20.0},"night":{"dark_from":"2029-09-17T18:00:50Z","dark_hours":8.49,"dark_to":"2029-09-18T02:30:19Z","moon":{"illumination":0.788,"phase":"waxing gibbous","waxing":true},"moon_free_dark_hours":2.95,"moonrise":"2029-09-17T13:41:12Z","moonset":"2029-09-17T23:32:43Z","sunrise":"2029-09-18T04:04:26Z","sunset":"2029-09-17T16:26:50Z","twilight":{"astronomical":{"end":"2029-09-17T18:00:50Z","start":"2029-09-18T02:30:19Z"},"civil":{"end":"2029-09-17T16:54:37Z","start":"2029-09-18T03:36:36Z"},"nautical":{"end":"2029-09-17T17:27:19Z","start":"2029-09-18T03:03:52Z"}},"window_end":"2029-09-18T09:00:00Z","window_start":"2029-09-17T09:00:00Z"},"night_date":"2029-09-17","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.02,"alt":79.3,"t":"2029-09-17T18:05:00Z"},"dec":38.78368896,"dec_of_date":38.8106,"dec_str":"+38\u00b0 47' 01.3\"","good_hours":4.58,"limit_rise":"2029-09-17T10:42:47Z","limit_set":"2029-09-17T23:39:48Z","max_az_rate_deg_per_min":3.83,"moon_separation":60.3,"never_rises":false,"ra":279.23473479,"ra_of_date":279.4842,"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":"4.6 dark hours above 30\u00b0 \u2014 a proper target for this night.","terrain":{"available":true,"behind_at":"2029-09-18T02:15:51Z","blocked_dark_hours":0,"clears_at":"2029-09-18T08:11:09Z","rise_az":41.0},"track":[{"above_terrain":true,"airmass":9.3,"alt":5.66,"az":41.0,"t":"2029-09-17T09:00:00Z","terrain":0.02},{"above_terrain":true,"airmass":8.5,"alt":6.28,"az":41.7,"t":"2029-09-17T09:05:00Z","terrain":0.09},{"above_terrain":true,"airmass":7.82,"alt":6.9,"az":42.5,"t":"2029-09-17T09:10:00Z","terrain":0.18},{"above_terrain":true,"airmass":7.23,"alt":7.54,"az":43.2,"t":"2029-09-17T09:15:00Z","terrain":0.28},{"above_terrain":true,"airmass":6.72,"alt":8.19,"az":44.0,"t":"2029-09-17T09:20:00Z","terrain":0.4},{"above_terrain":true,"airmass":6.26,"alt":8.84,"az":44.7,"t":"2029-09-17T09:25:00Z","terrain":0.53},{"above_terrain":true,"airmass":5.86,"alt":9.5,"az":45.4,"t":"2029-09-17T09:30:00Z","terrain":0.62},{"above_terrain":true,"airmass":5.5,"alt":10.17,"az":46.1,"t":"2029-09-17T09:35:00Z","terrain":0.66},{"above_terrain":true,"airmass":5.18,"alt":10.85,"az":46.9,"t":"2029-09-17T09:40:00Z","terrain":0.62},{"above_terrain":true,"airmass":4.89,"alt":11.54,"az":47.6,"t":"2029-09-17T09:45:00Z","terrain":0.57},{"above_terrain":true,"airmass":4.62,"alt":12.23,"az":48.3,"t":"2029-09-17T09:50:00Z","terrain":0.5},{"above_terrain":true,"airmass":4.39,"alt":12.93,"az":49.0,"t":"2029-09-17T09:55:00Z","terrain":0.42},{"above_terrain":true,"airmass":4.17,"alt":13.64,"az":49.6,"t":"2029-09-17T10:00:00Z","terrain":0.4},{"above_terrain":true,"airmass":3.97,"alt":14.36,"az":50.3,"t":"2029-09-17T10:05:00Z","terrain":0.44},{"above_terrain":true,"airmass":3.79,"alt":15.09,"az":51.0,"t":"2029-09-17T10:10:00Z","terrain":0.53},{"above_terrain":true,"airmass":3.63,"alt":15.82,"az":51.7,"t":"2029-09-17T10:15:00Z","terrain":0.6},{"above_terrain":true,"airmass":3.47,"alt":16.55,"az":52.3,"t":"2029-09-17T10:20:00Z","terrain":0.7},{"above_terrain":true,"airmass":3.33,"alt":17.3,"az":53.0,"t":"2029-09-17T10:25:00Z","terrain":0.84},{"above_terrain":true,"airmass":3.2,"alt":18.05,"az":53.7,"t":"2029-09-17T10:30:00Z","terrain":0.95},{"above_terrain":true,"airmass":3.08,"alt":18.81,"az":54.3,"t":"2029-09-17T10:35:00Z","terrain":1.03},{"above_terrain":true,"airmass":2.96,"alt":19.57,"az":55.0,"t":"2029-09-17T10:40:00Z","terrain":1.08},{"above_terrain":true,"airmass":2.86,"alt":20.34,"az":55.6,"t":"2029-09-17T10:45:00Z","terrain":1.06},{"above_terrain":true,"airmass":2.76,"alt":21.11,"az":56.2,"t":"2029-09-17T10:50:00Z","terrain":1.05},{"above_terrain":true,"airmass":2.67,"alt":21.89,"az":56.9,"t":"2029-09-17T10:55:00Z","terrain":1.07},{"above_terrain":true,"airmass":2.58,"alt":22.68,"az":57.5,"t":"2029-09-17T11:00:00Z","terrain":1.16},{"above_terrain":true,"airmass":2.5,"alt":23.47,"az":58.1,"t":"2029-09-17T11:05:00Z","terrain":1.25},{"above_terrain":true,"airmass":2.42,"alt":24.27,"az":58.7,"t":"2029-09-17T11:10:00Z","terrain":1.22},{"above_terrain":true,"airmass":2.35,"alt":25.07,"az":59.3,"t":"2029-09-17T11:15:00Z","terrain":1.2},{"above_terrain":true,"airmass":2.28,"alt":25.88,"az":60.0,"t":"2029-09-17T11:20:00Z","terrain":1.17},{"above_terrain":true,"airmass":2.22,"alt":26.69,"az":60.6,"t":"2029-09-17T11:25:00Z","terrain":1.13},{"above_terrain":true,"airmass":2.16,"alt":27.51,"az":61.2,"t":"2029-09-17T11:30:00Z","terrain":1.08},{"above_terrain":true,"airmass":2.1,"alt":28.33,"az":61.8,"t":"2029-09-17T11:35:00Z","terrain":1.03},{"above_terrain":true,"airmass":2.05,"alt":29.16,"az":62.3,"t":"2029-09-17T11:40:00Z","terrain":0.98},{"above_terrain":true,"airmass":1.99,"alt":29.99,"az":62.9,"t":"2029-09-17T11:45:00Z","terrain":0.92},{"above_terrain":true,"airmass":1.95,"alt":30.83,"az":63.5,"t":"2029-09-17T11:50:00Z","terrain":0.84},{"above_terrain":true,"airmass":1.9,"alt":31.67,"az":64.1,"t":"2029-09-17T11:55:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.86,"alt":32.51,"az":64.7,"t":"2029-09-17T12:00:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.81,"alt":33.36,"az":65.3,"t":"2029-09-17T12:05:00Z","terrain":0.79},{"above_terrain":true,"airmass":1.77,"alt":34.21,"az":65.8,"t":"2029-09-17T12:10:00Z","terrain":0.82},{"above_terrain":true,"airmass":1.74,"alt":35.07,"az":66.4,"t":"2029-09-17T12:15:00Z","terrain":0.87},{"above_terrain":true,"airmass":1.7,"alt":35.93,"az":67.0,"t":"2029-09-17T12:20:00Z","terrain":0.93},{"above_terrain":true,"airmass":1.67,"alt":36.79,"az":67.5,"t":"2029-09-17T12:25:00Z","terrain":0.96},{"above_terrain":true,"airmass":1.63,"alt":37.66,"az":68.1,"t":"2029-09-17T12:30:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.6,"alt":38.53,"az":68.7,"t":"2029-09-17T12:35:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.57,"alt":39.4,"az":69.2,"t":"2029-09-17T12:40:00Z","terrain":1.09},{"above_terrain":true,"airmass":1.54,"alt":40.28,"az":69.8,"t":"2029-09-17T12:45:00Z","terrain":1.19},{"above_terrain":true,"airmass":1.52,"alt":41.16,"az":70.4,"t":"2029-09-17T12:50:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.49,"alt":42.04,"az":70.9,"t":"2029-09-17T12:55:00Z","terrain":1.26},{"above_terrain":true,"airmass":1.47,"alt":42.93,"az":71.5,"t":"2029-09-17T13:00:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.44,"alt":43.81,"az":72.0,"t":"2029-09-17T13:05:00Z","terrain":1.19},{"above_terrain":true,"airmass":1.42,"alt":44.71,"az":72.6,"t":"2029-09-17T13:10:00Z","terrain":1.08},{"above_terrain":true,"airmass":1.4,"alt":45.6,"az":73.1,"t":"2029-09-17T13:15:00Z","terrain":0.95},{"above_terrain":true,"airmass":1.38,"alt":46.5,"az":73.7,"t":"2029-09-17T13:20:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.36,"alt":47.4,"az":74.3,"t":"2029-09-17T13:25:00Z","terrain":0.7},{"above_terrain":true,"airmass":1.34,"alt":48.3,"az":74.8,"t":"2029-09-17T13:30:00Z","terrain":0.65},{"above_terrain":true,"airmass":1.32,"alt":49.2,"az":75.4,"t":"2029-09-17T13:35:00Z","terrain":0.66},{"above_terrain":true,"airmass":1.3,"alt":50.11,"az":75.9,"t":"2029-09-17T13:40:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.29,"alt":51.02,"az":76.5,"t":"2029-09-17T13:45:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.27,"alt":51.93,"az":77.1,"t":"2029-09-17T13:50:00Z","terrain":0.7},{"above_terrain":true,"airmass":1.25,"alt":52.84,"az":77.6,"t":"2029-09-17T13:55:00Z","terrain":0.66},{"above_terrain":true,"airmass":1.24,"alt":53.76,"az":78.2,"t":"2029-09-17T14:00:00Z","terrain":0.62},{"above_terrain":true,"airmass":1.22,"alt":54.68,"az":78.8,"t":"2029-09-17T14:05:00Z","terrain":0.58},{"above_terrain":true,"airmass":1.21,"alt":55.6,"az":79.4,"t":"2029-09-17T14:10:00Z","terrain":0.53},{"above_terrain":true,"airmass":1.2,"alt":56.52,"az":79.9,"t":"2029-09-17T14:15:00Z","terrain":0.47},{"above_terrain":true,"airmass":1.19,"alt":57.44,"az":80.5,"t":"2029-09-17T14:20:00Z","terrain":0.58},{"above_terrain":true,"airmass":1.17,"alt":58.36,"az":81.1,"t":"2029-09-17T14:25:00Z","terrain":0.69},{"above_terrain":true,"airmass":1.16,"alt":59.29,"az":81.7,"t":"2029-09-17T14:30:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.15,"alt":60.21,"az":82.3,"t":"2029-09-17T14:35:00Z","terrain":0.69},{"above_terrain":true,"airmass":1.14,"alt":61.14,"az":83.0,"t":"2029-09-17T14:40:00Z","terrain":0.48},{"above_terrain":true,"airmass":1.13,"alt":62.07,"az":83.6,"t":"2029-09-17T14:45:00Z","terrain":0.42},{"above_terrain":true,"airmass":1.12,"alt":63.0,"az":84.2,"t":"2029-09-17T14:50:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.11,"alt":63.93,"az":84.9,"t":"2029-09-17T14:55:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.1,"alt":64.87,"az":85.6,"t":"2029-09-17T15:00:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.1,"alt":65.8,"az":86.2,"t":"2029-09-17T15:05:00Z","terrain":0.15},{"above_terrain":true,"airmass":1.09,"alt":66.74,"az":87.0,"t":"2029-09-17T15:10:00Z","terrain":0.07},{"above_terrain":true,"airmass":1.08,"alt":67.67,"az":87.7,"t":"2029-09-17T15:15:00Z","terrain":-0.03},{"above_terrain":true,"airmass":1.07,"alt":68.61,"az":88.4,"t":"2029-09-17T15:20:00Z","terrain":-0.13},{"above_terrain":true,"airmass":1.07,"alt":69.54,"az":89.2,"t":"2029-09-17T15:25:00Z","terrain":-0.2},{"above_terrain":true,"airmass":1.06,"alt":70.48,"az":90.0,"t":"2029-09-17T15:30:00Z","terrain":-0.22},{"above_terrain":true,"airmass":1.05,"alt":71.41,"az":90.9,"t":"2029-09-17T15:35:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.05,"alt":72.35,"az":91.8,"t":"2029-09-17T15:40:00Z","terrain":0.06},{"above_terrain":true,"airmass":1.04,"alt":73.28,"az":92.7,"t":"2029-09-17T15:45:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.04,"alt":74.22,"az":93.8,"t":"2029-09-17T15:50:00Z","terrain":0.39},{"above_terrain":true,"airmass":1.03,"alt":75.15,"az":94.9,"t":"2029-09-17T15:55:00Z","terrain":0.38},{"above_terrain":true,"airmass":1.03,"alt":76.08,"az":96.0,"t":"2029-09-17T16:00:00Z","terrain":0.56},{"above_terrain":true,"airmass":1.03,"alt":77.01,"az":97.3,"t":"2029-09-17T16:05:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.02,"alt":77.94,"az":98.7,"t":"2029-09-17T16:10:00Z","terrain":0.53},{"above_terrain":true,"airmass":1.02,"alt":78.86,"az":100.3,"t":"2029-09-17T16:15:00Z","terrain":0.21},{"above_terrain":true,"airmass":1.02,"alt":79.78,"az":102.1,"t":"2029-09-17T16:20:00Z","terrain":-0.06},{"above_terrain":true,"airmass":1.01,"alt":80.69,"az":104.2,"t":"2029-09-17T16:25:00Z","terrain":-0.03},{"above_terrain":true,"airmass":1.01,"alt":81.59,"az":106.6,"t":"2029-09-17T16:30:00Z","terrain":-0.62},{"above_terrain":true,"airmass":1.01,"alt":82.48,"az":109.5,"t":"2029-09-17T16:35:00Z","terrain":-1.17},{"above_terrain":true,"airmass":1.01,"alt":83.36,"az":113.1,"t":"2029-09-17T16:40:00Z","terrain":-1.46},{"above_terrain":true,"airmass":1.0,"alt":84.2,"az":117.6,"t":"2029-09-17T16:45:00Z","terrain":-1.5},{"above_terrain":true,"airmass":1.0,"alt":85.01,"az":123.5,"t":"2029-09-17T16:50:00Z","terrain":-1.44},{"above_terrain":true,"airmass":1.0,"alt":85.75,"az":131.4,"t":"2029-09-17T16:55:00Z","terrain":-1.67},{"above_terrain":true,"airmass":1.0,"alt":86.4,"az":142.2,"t":"2029-09-17T17:00:00Z","terrain":-1.33},{"above_terrain":true,"airmass":1.0,"alt":86.88,"az":156.8,"t":"2029-09-17T17:05:00Z","terrain":-1.13},{"above_terrain":true,"airmass":1.0,"alt":87.11,"az":174.9,"t":"2029-09-17T17:10:00Z","terrain":-0.46},{"above_terrain":true,"airmass":1.0,"alt":87.03,"az":194.1,"t":"2029-09-17T17:15:00Z","terrain":-0.49},{"above_terrain":true,"airmass":1.0,"alt":86.67,"az":210.7,"t":"2029-09-17T17:20:00Z","terrain":0.78},{"above_terrain":true,"airmass":1.0,"alt":86.11,"az":223.4,"t":"2029-09-17T17:25:00Z","terrain":0.56},{"above_terrain":true,"airmass":1.0,"alt":85.41,"az":232.7,"t":"2029-09-17T17:30:00Z","terrain":0.84},{"above_terrain":true,"airmass":1.0,"alt":84.63,"az":239.5,"t":"2029-09-17T17:35:00Z","terrain":0.65},{"above_terrain":true,"airmass":1.01,"alt":83.8,"az":244.7,"t":"2029-09-17T17:40:00Z","terrain":0.97},{"above_terrain":true,"airmass":1.01,"alt":82.94,"az":248.7,"t":"2029-09-17T17:45:00Z","terrain":0.52},{"above_terrain":true,"airmass":1.01,"alt":82.06,"az":251.9,"t":"2029-09-17T17:50:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.01,"alt":81.16,"az":254.6,"t":"2029-09-17T17:55:00Z","terrain":0.21},{"above_terrain":true,"airmass":1.01,"alt":80.26,"az":256.8,"t":"2029-09-17T18:00:00Z","terrain":0.42},{"above_terrain":true,"airmass":1.02,"alt":79.34,"az":258.8,"t":"2029-09-17T18:05:00Z","terrain":0.45},{"above_terrain":true,"airmass":1.02,"alt":78.42,"az":260.5,"t":"2029-09-17T18:10:00Z","terrain":0.69},{"above_terrain":true,"airmass":1.02,"alt":77.5,"az":262.0,"t":"2029-09-17T18:15:00Z","terrain":0.97},{"above_terrain":true,"airmass":1.03,"alt":76.57,"az":263.3,"t":"2029-09-17T18:20:00Z","terrain":0.72},{"above_terrain":true,"airmass":1.03,"alt":75.64,"az":264.5,"t":"2029-09-17T18:25:00Z","terrain":0.45},{"above_terrain":true,"airmass":1.04,"alt":74.71,"az":265.7,"t":"2029-09-17T18:30:00Z","terrain":0.44},{"above_terrain":true,"airmass":1.04,"alt":73.77,"az":266.7,"t":"2029-09-17T18:35:00Z","terrain":0.54},{"above_terrain":true,"airmass":1.05,"alt":72.84,"az":267.7,"t":"2029-09-17T18:40:00Z","terrain":0.63},{"above_terrain":true,"airmass":1.05,"alt":71.9,"az":268.6,"t":"2029-09-17T18:45:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.06,"alt":70.97,"az":269.5,"t":"2029-09-17T18:50:00Z","terrain":0.83},{"above_terrain":true,"airmass":1.06,"alt":70.03,"az":270.4,"t":"2029-09-17T18:55:00Z","terrain":0.86},{"above_terrain":true,"airmass":1.07,"alt":69.09,"az":271.2,"t":"2029-09-17T19:00:00Z","terrain":0.72},{"above_terrain":true,"airmass":1.08,"alt":68.16,"az":271.9,"t":"2029-09-17T19:05:00Z","terrain":0.45},{"above_terrain":true,"airmass":1.08,"alt":67.22,"az":272.7,"t":"2029-09-17T19:10:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.09,"alt":66.29,"az":273.4,"t":"2029-09-17T19:15:00Z","terrain":0.07},{"above_terrain":true,"airmass":1.1,"alt":65.35,"az":274.1,"t":"2029-09-17T19:20:00Z","terrain":-0.02},{"above_terrain":true,"airmass":1.11,"alt":64.42,"az":274.8,"t":"2029-09-17T19:25:00Z","terrain":0.06},{"above_terrain":true,"airmass":1.12,"alt":63.49,"az":275.4,"t":"2029-09-17T19:30:00Z","terrain":0.05},{"above_terrain":true,"airmass":1.13,"alt":62.56,"az":276.1,"t":"2029-09-17T19:35:00Z","terrain":-0.02},{"above_terrain":true,"airmass":1.14,"alt":61.63,"az":276.7,"t":"2029-09-17T19:40:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.15,"alt":60.7,"az":277.3,"t":"2029-09-17T19:45:00Z","terrain":-0.12},{"above_terrain":true,"airmass":1.16,"alt":59.77,"az":278.0,"t":"2029-09-17T19:50:00Z","terrain":-0.08},{"above_terrain":true,"airmass":1.17,"alt":58.85,"az":278.6,"t":"2029-09-17T19:55:00Z","terrain":-0.05},{"above_terrain":true,"airmass":1.18,"alt":57.92,"az":279.2,"t":"2029-09-17T20:00:00Z","terrain":-0.04},{"above_terrain":true,"airmass":1.19,"alt":57.0,"az":279.8,"t":"2029-09-17T20:05:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.2,"alt":56.08,"az":280.3,"t":"2029-09-17T20:10:00Z","terrain":-0.07},{"above_terrain":true,"airmass":1.22,"alt":55.16,"az":280.9,"t":"2029-09-17T20:15:00Z","terrain":0.02},{"above_terrain":true,"airmass":1.23,"alt":54.24,"az":281.5,"t":"2029-09-17T20:20:00Z","terrain":-0.05},{"above_terrain":true,"airmass":1.25,"alt":53.32,"az":282.1,"t":"2029-09-17T20:25:00Z","terrain":-0.12},{"above_terrain":true,"airmass":1.26,"alt":52.41,"az":282.6,"t":"2029-09-17T20:30:00Z","terrain":-0.05},{"above_terrain":true,"airmass":1.28,"alt":51.49,"az":283.2,"t":"2029-09-17T20:35:00Z","terrain":0.02},{"above_terrain":true,"airmass":1.29,"alt":50.58,"az":283.8,"t":"2029-09-17T20:40:00Z","terrain":0.09},{"above_terrain":true,"airmass":1.31,"alt":49.68,"az":284.3,"t":"2029-09-17T20:45:00Z","terrain":0.16},{"above_terrain":true,"airmass":1.33,"alt":48.77,"az":284.9,"t":"2029-09-17T20:50:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.35,"alt":47.87,"az":285.5,"t":"2029-09-17T20:55:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.37,"alt":46.97,"az":286.0,"t":"2029-09-17T21:00:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.39,"alt":46.07,"az":286.6,"t":"2029-09-17T21:05:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.41,"alt":45.17,"az":287.1,"t":"2029-09-17T21:10:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.43,"alt":44.28,"az":287.7,"t":"2029-09-17T21:15:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.45,"alt":43.39,"az":288.2,"t":"2029-09-17T21:20:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.48,"alt":42.5,"az":288.8,"t":"2029-09-17T21:25:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.5,"alt":41.62,"az":289.4,"t":"2029-09-17T21:30:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.53,"alt":40.74,"az":289.9,"t":"2029-09-17T21:35:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.56,"alt":39.86,"az":290.5,"t":"2029-09-17T21:40:00Z","terrain":0.38},{"above_terrain":true,"airmass":1.59,"alt":38.98,"az":291.0,"t":"2029-09-17T21:45:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.62,"alt":38.11,"az":291.6,"t":"2029-09-17T21:50:00Z","terrain":0.53},{"above_terrain":true,"airmass":1.65,"alt":37.24,"az":292.2,"t":"2029-09-17T21:55:00Z","terrain":0.51},{"above_terrain":true,"airmass":1.68,"alt":36.38,"az":292.7,"t":"2029-09-17T22:00:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.72,"alt":35.52,"az":293.3,"t":"2029-09-17T22:05:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.75,"alt":34.66,"az":293.9,"t":"2029-09-17T22:10:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.79,"alt":33.8,"az":294.4,"t":"2029-09-17T22:15:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.83,"alt":32.95,"az":295.0,"t":"2029-09-17T22:20:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.88,"alt":32.11,"az":295.6,"t":"2029-09-17T22:25:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.92,"alt":31.26,"az":296.2,"t":"2029-09-17T22:30:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.97,"alt":30.43,"az":296.8,"t":"2029-09-17T22:35:00Z","terrain":0.28},{"above_terrain":true,"airmass":2.02,"alt":29.59,"az":297.3,"t":"2029-09-17T22:40:00Z","terrain":0.21},{"above_terrain":true,"airmass":2.07,"alt":28.76,"az":297.9,"t":"2029-09-17T22:45:00Z","terrain":0.13},{"above_terrain":true,"airmass":2.13,"alt":27.94,"az":298.5,"t":"2029-09-17T22:50:00Z","terrain":0.15},{"above_terrain":true,"airmass":2.19,"alt":27.12,"az":299.1,"t":"2029-09-17T22:55:00Z","terrain":0.2},{"above_terrain":true,"airmass":2.25,"alt":26.3,"az":299.7,"t":"2029-09-17T23:00:00Z","terrain":0.32},{"above_terrain":true,"airmass":2.31,"alt":25.49,"az":300.3,"t":"2029-09-17T23:05:00Z","terrain":0.35},{"above_terrain":true,"airmass":2.38,"alt":24.69,"az":300.9,"t":"2029-09-17T23:10:00Z","terrain":0.32},{"above_terrain":true,"airmass":2.46,"alt":23.89,"az":301.6,"t":"2029-09-17T23:15:00Z","terrain":0.18},{"above_terrain":true,"airmass":2.54,"alt":23.09,"az":302.2,"t":"2029-09-17T23:20:00Z","terrain":0.02},{"above_terrain":true,"airmass":2.62,"alt":22.3,"az":302.8,"t":"2029-09-17T23:25:00Z","terrain":-0.17},{"above_terrain":true,"airmass":2.71,"alt":21.52,"az":303.4,"t":"2029-09-17T23:30:00Z","terrain":-0.17},{"above_terrain":true,"airmass":2.81,"alt":20.74,"az":304.1,"t":"2029-09-17T23:35:00Z","terrain":-0.11},{"above_terrain":true,"airmass":2.91,"alt":19.97,"az":304.7,"t":"2029-09-17T23:40:00Z","terrain":-0.23},{"above_terrain":true,"airmass":3.02,"alt":19.2,"az":305.3,"t":"2029-09-17T23:45:00Z","terrain":-0.25},{"above_terrain":true,"airmass":3.13,"alt":18.44,"az":306.0,"t":"2029-09-17T23:50:00Z","terrain":-0.17},{"above_terrain":true,"airmass":3.26,"alt":17.69,"az":306.6,"t":"2029-09-17T23:55:00Z","terrain":0.06},{"above_terrain":true,"airmass":3.4,"alt":16.94,"az":307.3,"t":"2029-09-18T00:00:00Z","terrain":0.22},{"above_terrain":true,"airmass":3.54,"alt":16.2,"az":308.0,"t":"2029-09-18T00:05:00Z","terrain":0.32},{"above_terrain":true,"airmass":3.7,"alt":15.47,"az":308.6,"t":"2029-09-18T00:10:00Z","terrain":0.22},{"above_terrain":true,"airmass":3.88,"alt":14.74,"az":309.3,"t":"2029-09-18T00:15:00Z","terrain":0.19},{"above_terrain":true,"airmass":4.07,"alt":14.02,"az":310.0,"t":"2029-09-18T00:20:00Z","terrain":0.22},{"above_terrain":true,"airmass":4.27,"alt":13.3,"az":310.7,"t":"2029-09-18T00:25:00Z","terrain":0.32},{"above_terrain":true,"airmass":4.5,"alt":12.6,"az":311.4,"t":"2029-09-18T00:30:00Z","terrain":0.28},{"above_terrain":true,"airmass":4.75,"alt":11.9,"az":312.1,"t":"2029-09-18T00:35:00Z","terrain":0.15},{"above_terrain":true,"airmass":5.02,"alt":11.21,"az":312.8,"t":"2029-09-18T00:40:00Z","terrain":0.24},{"above_terrain":true,"airmass":5.33,"alt":10.53,"az":313.5,"t":"2029-09-18T00:45:00Z","terrain":0.37},{"above_terrain":true,"airmass":5.66,"alt":9.85,"az":314.2,"t":"2029-09-18T00:50:00Z","terrain":0.49},{"above_terrain":true,"airmass":6.04,"alt":9.18,"az":314.9,"t":"2029-09-18T00:55:00Z","terrain":0.55},{"above_terrain":true,"airmass":6.47,"alt":8.53,"az":315.7,"t":"2029-09-18T01:00:00Z","terrain":0.51},{"above_terrain":true,"airmass":6.95,"alt":7.88,"az":316.4,"t":"2029-09-18T01:05:00Z","terrain":0.41},{"above_terrain":true,"airmass":7.5,"alt":7.23,"az":317.1,"t":"2029-09-18T01:10:00Z","terrain":0.3},{"above_terrain":true,"airmass":8.14,"alt":6.6,"az":317.9,"t":"2029-09-18T01:15:00Z","terrain":0.33},{"above_terrain":true,"airmass":8.87,"alt":5.98,"az":318.6,"t":"2029-09-18T01:20:00Z","terrain":0.03},{"above_terrain":true,"airmass":9.72,"alt":5.37,"az":319.4,"t":"2029-09-18T01:25:00Z","terrain":-0.16},{"above_terrain":true,"airmass":10.72,"alt":4.76,"az":320.2,"t":"2029-09-18T01:30:00Z","terrain":-0.2},{"above_terrain":true,"airmass":11.92,"alt":4.17,"az":321.0,"t":"2029-09-18T01:35:00Z","terrain":-0.2},{"above_terrain":true,"airmass":13.36,"alt":3.58,"az":321.7,"t":"2029-09-18T01:40:00Z","terrain":0.1},{"above_terrain":true,"airmass":15.12,"alt":3.01,"az":322.5,"t":"2029-09-18T01:45:00Z","terrain":0.14},{"above_terrain":true,"airmass":17.3,"alt":2.44,"az":323.3,"t":"2029-09-18T01:50:00Z","terrain":-0.02},{"above_terrain":true,"airmass":20.03,"alt":1.89,"az":324.1,"t":"2029-09-18T01:55:00Z","terrain":-0.21},{"above_terrain":true,"airmass":23.52,"alt":1.35,"az":324.9,"t":"2029-09-18T02:00:00Z","terrain":-0.19},{"above_terrain":true,"airmass":28.02,"alt":0.82,"az":325.8,"t":"2029-09-18T02:05:00Z","terrain":-0.23},{"above_terrain":true,"airmass":33.85,"alt":0.29,"az":326.6,"t":"2029-09-18T02:10:00Z","terrain":-0.33},{"above_terrain":true,"airmass":null,"alt":-0.22,"az":327.4,"t":"2029-09-18T02:15:00Z","terrain":-0.32},{"above_terrain":false,"airmass":null,"alt":-0.71,"az":328.3,"t":"2029-09-18T02:20:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-1.2,"az":329.1,"t":"2029-09-18T02:25:00Z","terrain":-0.15},{"above_terrain":false,"airmass":null,"alt":-1.67,"az":330.0,"t":"2029-09-18T02:30:00Z","terrain":-0.34},{"above_terrain":false,"airmass":null,"alt":-2.14,"az":330.8,"t":"2029-09-18T02:35:00Z","terrain":-0.38},{"above_terrain":false,"airmass":null,"alt":-2.59,"az":331.7,"t":"2029-09-18T02:40:00Z","terrain":-0.22},{"above_terrain":false,"airmass":null,"alt":-3.02,"az":332.6,"t":"2029-09-18T02:45:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-3.45,"az":333.5,"t":"2029-09-18T02:50:00Z","terrain":-0.17},{"above_terrain":false,"airmass":null,"alt":-3.86,"az":334.3,"t":"2029-09-18T02:55:00Z","terrain":-0.35},{"above_terrain":false,"airmass":null,"alt":-4.26,"az":335.2,"t":"2029-09-18T03:00:00Z","terrain":-0.65},{"above_terrain":false,"airmass":null,"alt":-4.65,"az":336.1,"t":"2029-09-18T03:05:00Z","terrain":-0.82},{"above_terrain":false,"airmass":null,"alt":-5.02,"az":337.0,"t":"2029-09-18T03:10:00Z","terrain":-0.72},{"above_terrain":false,"airmass":null,"alt":-5.38,"az":338.0,"t":"2029-09-18T03:15:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-5.72,"az":338.9,"t":"2029-09-18T03:20:00Z","terrain":-0.71},{"above_terrain":false,"airmass":null,"alt":-6.05,"az":339.8,"t":"2029-09-18T03:25:00Z","terrain":-0.58},{"above_terrain":false,"airmass":null,"alt":-6.37,"az":340.7,"t":"2029-09-18T03:30:00Z","terrain":-0.47},{"above_terrain":false,"airmass":null,"alt":-6.67,"az":341.7,"t":"2029-09-18T03:35:00Z","terrain":-0.47},{"above_terrain":false,"airmass":null,"alt":-6.96,"az":342.6,"t":"2029-09-18T03:40:00Z","terrain":-0.43},{"above_terrain":false,"airmass":null,"alt":-7.23,"az":343.5,"t":"2029-09-18T03:45:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-7.49,"az":344.5,"t":"2029-09-18T03:50:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-7.73,"az":345.4,"t":"2029-09-18T03:55:00Z","terrain":-0.47},{"above_terrain":false,"airmass":null,"alt":-7.96,"az":346.4,"t":"2029-09-18T04:00:00Z","terrain":-0.5},{"above_terrain":false,"airmass":null,"alt":-8.17,"az":347.4,"t":"2029-09-18T04:05:00Z","terrain":-0.32},{"above_terrain":false,"airmass":null,"alt":-8.37,"az":348.3,"t":"2029-09-18T04:10:00Z","terrain":-0.09},{"above_terrain":false,"airmass":null,"alt":-8.55,"az":349.3,"t":"2029-09-18T04:15:00Z","terrain":0.04},{"above_terrain":false,"airmass":null,"alt":-8.71,"az":350.3,"t":"2029-09-18T04:20:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-8.86,"az":351.3,"t":"2029-09-18T04:25:00Z","terrain":0.17},{"above_terrain":false,"airmass":null,"alt":-9.0,"az":352.2,"t":"2029-09-18T04:30:00Z","terrain":0.32},{"above_terrain":false,"airmass":null,"alt":-9.12,"az":353.2,"t":"2029-09-18T04:35:00Z","terrain":0.53},{"above_terrain":false,"airmass":null,"alt":-9.22,"az":354.2,"t":"2029-09-18T04:40:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-9.3,"az":355.2,"t":"2029-09-18T04:45:00Z","terrain":0.64},{"above_terrain":false,"airmass":null,"alt":-9.38,"az":356.2,"t":"2029-09-18T04:50:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-9.43,"az":357.2,"t":"2029-09-18T04:55:00Z","terrain":0.73},{"above_terrain":false,"airmass":null,"alt":-9.47,"az":358.2,"t":"2029-09-18T05:00:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-9.49,"az":359.1,"t":"2029-09-18T05:05:00Z","terrain":0.6},{"above_terrain":false,"airmass":null,"alt":-9.5,"az":0.1,"t":"2029-09-18T05:10:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-9.49,"az":1.1,"t":"2029-09-18T05:15:00Z","terrain":0.34},{"above_terrain":false,"airmass":null,"alt":-9.46,"az":2.1,"t":"2029-09-18T05:20:00Z","terrain":0.09},{"above_terrain":false,"airmass":null,"alt":-9.42,"az":3.1,"t":"2029-09-18T05:25:00Z","terrain":-0.15},{"above_terrain":false,"airmass":null,"alt":-9.36,"az":4.1,"t":"2029-09-18T05:30:00Z","terrain":-0.29},{"above_terrain":false,"airmass":null,"alt":-9.28,"az":5.1,"t":"2029-09-18T05:35:00Z","terrain":-0.44},{"above_terrain":false,"airmass":null,"alt":-9.19,"az":6.1,"t":"2029-09-18T05:40:00Z","terrain":-0.58},{"above_terrain":false,"airmass":null,"alt":-9.09,"az":7.0,"t":"2029-09-18T05:45:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-8.96,"az":8.0,"t":"2029-09-18T05:50:00Z","terrain":-0.42},{"above_terrain":false,"airmass":null,"alt":-8.82,"az":9.0,"t":"2029-09-18T05:55:00Z","terrain":-0.66},{"above_terrain":false,"airmass":null,"alt":-8.67,"az":10.0,"t":"2029-09-18T06:00:00Z","terrain":-0.6},{"above_terrain":false,"airmass":null,"alt":-8.5,"az":11.0,"t":"2029-09-18T06:05:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-8.31,"az":11.9,"t":"2029-09-18T06:10:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-8.11,"az":12.9,"t":"2029-09-18T06:15:00Z","terrain":-0.08},{"above_terrain":false,"airmass":null,"alt":-7.9,"az":13.8,"t":"2029-09-18T06:20:00Z","terrain":0.07},{"above_terrain":false,"airmass":null,"alt":-7.67,"az":14.8,"t":"2029-09-18T06:25:00Z","terrain":0.35},{"above_terrain":false,"airmass":null,"alt":-7.42,"az":15.8,"t":"2029-09-18T06:30:00Z","terrain":0.47},{"above_terrain":false,"airmass":null,"alt":-7.16,"az":16.7,"t":"2029-09-18T06:35:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-6.88,"az":17.7,"t":"2029-09-18T06:40:00Z","terrain":0.51},{"above_terrain":false,"airmass":null,"alt":-6.59,"az":18.6,"t":"2029-09-18T06:45:00Z","terrain":0.58},{"above_terrain":false,"airmass":null,"alt":-6.28,"az":19.5,"t":"2029-09-18T06:50:00Z","terrain":0.65},{"above_terrain":false,"airmass":null,"alt":-5.96,"az":20.5,"t":"2029-09-18T06:55:00Z","terrain":0.68},{"above_terrain":false,"airmass":null,"alt":-5.63,"az":21.4,"t":"2029-09-18T07:00:00Z","terrain":0.8},{"above_terrain":false,"airmass":null,"alt":-5.28,"az":22.3,"t":"2029-09-18T07:05:00Z","terrain":1.04},{"above_terrain":false,"airmass":null,"alt":-4.92,"az":23.2,"t":"2029-09-18T07:10:00Z","terrain":1.11},{"above_terrain":false,"airmass":null,"alt":-4.54,"az":24.1,"t":"2029-09-18T07:15:00Z","terrain":0.95},{"above_terrain":false,"airmass":null,"alt":-4.16,"az":25.0,"t":"2029-09-18T07:20:00Z","terrain":1.22},{"above_terrain":false,"airmass":null,"alt":-3.75,"az":25.9,"t":"2029-09-18T07:25:00Z","terrain":1.33},{"above_terrain":false,"airmass":null,"alt":-3.34,"az":26.8,"t":"2029-09-18T07:30:00Z","terrain":1.29},{"above_terrain":false,"airmass":null,"alt":-2.91,"az":27.7,"t":"2029-09-18T07:35:00Z","terrain":1.22},{"above_terrain":false,"airmass":null,"alt":-2.47,"az":28.5,"t":"2029-09-18T07:40:00Z","terrain":1.09},{"above_terrain":false,"airmass":null,"alt":-2.02,"az":29.4,"t":"2029-09-18T07:45:00Z","terrain":1.06},{"above_terrain":false,"airmass":null,"alt":-1.55,"az":30.3,"t":"2029-09-18T07:50:00Z","terrain":1.19},{"above_terrain":false,"airmass":null,"alt":-1.07,"az":31.1,"t":"2029-09-18T07:55:00Z","terrain":1.31},{"above_terrain":false,"airmass":null,"alt":-0.58,"az":32.0,"t":"2029-09-18T08:00:00Z","terrain":1.33},{"above_terrain":false,"airmass":null,"alt":-0.08,"az":32.8,"t":"2029-09-18T08:05:00Z","terrain":1.06},{"above_terrain":false,"airmass":32.16,"alt":0.43,"az":33.6,"t":"2029-09-18T08:10:00Z","terrain":0.64},{"above_terrain":true,"airmass":26.71,"alt":0.95,"az":34.5,"t":"2029-09-18T08:15:00Z","terrain":0.26},{"above_terrain":true,"airmass":22.51,"alt":1.49,"az":35.3,"t":"2029-09-18T08:20:00Z","terrain":0.04},{"above_terrain":true,"airmass":19.25,"alt":2.04,"az":36.1,"t":"2029-09-18T08:25:00Z","terrain":0.02},{"above_terrain":true,"airmass":16.67,"alt":2.59,"az":36.9,"t":"2029-09-18T08:30:00Z","terrain":-0.08},{"above_terrain":true,"airmass":14.62,"alt":3.16,"az":37.7,"t":"2029-09-18T08:35:00Z","terrain":-0.17},{"above_terrain":true,"airmass":12.95,"alt":3.74,"az":38.5,"t":"2029-09-18T08:40:00Z","terrain":-0.19},{"above_terrain":true,"airmass":11.58,"alt":4.32,"az":39.3,"t":"2029-09-18T08:45:00Z","terrain":-0.13},{"above_terrain":true,"airmass":10.44,"alt":4.92,"az":40.0,"t":"2029-09-18T08:50:00Z","terrain":-0.05},{"above_terrain":true,"airmass":9.48,"alt":5.53,"az":40.8,"t":"2029-09-18T08:55:00Z","terrain":0.01},{"above_terrain":true,"airmass":8.66,"alt":6.14,"az":41.6,"t":"2029-09-18T09:00:00Z","terrain":0.08}],"transit":{"airmass":1.0,"alt":87.1,"az":174.9,"t":"2029-09-17T17:10:00Z"},"usable_hours":5.58,"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."]}
