{"assessment":{"best_window":{"end":"2029-08-21T19:05Z","end_local":"22:05","hours":0.17,"label":"good","mean_quality":0.6,"start":"2029-08-21T18:55Z","start_local":"21:55"},"cost":{"altitude":1.56,"clouds":0.0,"darkness":1.37,"moon":2.42},"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":79,"cloud":null,"high":null,"iso":"2029-08-21T18:00Z","label":"poor","low":null,"mid":null,"moon_alt":20,"precip":null,"q":0.09,"rh":null,"sky":"nautical twilight","temp":null,"time":"21:00","wind":null},{"alt":87,"cloud":null,"high":null,"iso":"2029-08-21T19:00Z","label":"good","low":null,"mid":null,"moon_alt":26,"precip":null,"q":0.6,"rh":null,"sky":"night","temp":null,"time":"22:00","wind":null},{"alt":78,"cloud":null,"high":null,"iso":"2029-08-21T20:00Z","label":"marginal","low":null,"mid":null,"moon_alt":30,"precip":null,"q":0.59,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":67,"cloud":null,"high":null,"iso":"2029-08-21T21:00Z","label":"marginal","low":null,"mid":null,"moon_alt":30,"precip":null,"q":0.58,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":55,"cloud":null,"high":null,"iso":"2029-08-21T22:00Z","label":"marginal","low":null,"mid":null,"moon_alt":28,"precip":null,"q":0.58,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":44,"cloud":null,"high":null,"iso":"2029-08-21T23:00Z","label":"marginal","low":null,"mid":null,"moon_alt":23,"precip":null,"q":0.55,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":34,"cloud":null,"high":null,"iso":"2029-08-22T00:00Z","label":"marginal","low":null,"mid":null,"moon_alt":15,"precip":null,"q":0.54,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":24,"cloud":null,"high":null,"iso":"2029-08-22T01:00Z","label":"marginal","low":null,"mid":null,"moon_alt":7,"precip":null,"q":0.39,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":15,"cloud":null,"high":null,"iso":"2029-08-22T02:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-3,"precip":null,"q":0.0,"rh":null,"sky":"astronomical twilight","temp":null,"time":"05:00","wind":null},{"alt":7,"cloud":null,"high":null,"iso":"2029-08-22T03:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-13,"precip":null,"q":0.0,"rh":null,"sky":"nautical twilight","temp":null,"time":"06:00","wind":null}],"peak_quality":0.6,"peak_sky":0.6,"quality_hours":3.83,"reasons":["moonlight cost 2.4 quality-hours","the target being low or below 20\u00b0 cost 1.6 quality-hours","daylight and twilight cost 1.4 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":58,"score_weather":null,"sky_hours":3.83,"verdict":"unknown","verdict_astronomy":"marginal","weather_known":false,"windows":[{"end":"2029-08-21T17:45Z","end_local":"20:45","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2029-08-21T17:10Z","start_local":"20:10"},{"end":"2029-08-21T18:20Z","end_local":"21:20","hours":0.58,"label":"poor","mean_quality":0.09,"start":"2029-08-21T17:45Z","start_local":"20:45"},{"end":"2029-08-21T18:55Z","end_local":"21:55","hours":0.58,"label":"marginal","mean_quality":0.31,"start":"2029-08-21T18:20Z","start_local":"21:20"},{"end":"2029-08-21T19:05Z","end_local":"22:05","hours":0.17,"label":"good","mean_quality":0.6,"start":"2029-08-21T18:55Z","start_local":"21:55"},{"end":"2029-08-22T01:25Z","end_local":"04:25","hours":6.33,"label":"marginal","mean_quality":0.55,"start":"2029-08-21T19:05Z","start_local":"22:05"},{"end":"2029-08-22T01:30Z","end_local":"04:30","hours":0.08,"label":"poor","mean_quality":0.29,"start":"2029-08-22T01:25Z","start_local":"04:25"},{"end":"2029-08-22T03:40Z","end_local":"06:40","hours":2.17,"label":"unusable","mean_quality":0.0,"start":"2029-08-22T01:30Z","start_local":"04:30"}]},"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":"2029-08-21T18:54:12Z","dark_hours":7.0,"dark_to":"2029-08-22T01:54:23Z","moon":{"illumination":0.951,"phase":"waxing gibbous","waxing":true},"moon_free_dark_hours":0.22,"moonrise":"2029-08-21T15:40:22Z","moonset":"2029-08-22T01:40:44Z","sunrise":"2029-08-22T03:36:50Z","sunset":"2029-08-21T17:11:48Z","twilight":{"astronomical":{"end":"2029-08-21T18:54:12Z","start":"2029-08-22T01:54:23Z"},"civil":{"end":"2029-08-21T17:41:05Z","start":"2029-08-22T03:07:31Z"},"nautical":{"end":"2029-08-21T18:16:29Z","start":"2029-08-22T02:32:07Z"}},"window_end":"2029-08-22T09:00:00Z","window_start":"2029-08-21T09:00:00Z"},"night_date":"2029-08-21","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.0,"alt":87.1,"t":"2029-08-21T18:55:00Z"},"dec":38.78368896,"dec_of_date":38.8105,"dec_str":"+38\u00b0 47' 01.3\"","good_hours":5.5,"limit_rise":"2029-08-21T12:28:57Z","limit_set":"2029-08-22T01:25:57Z","max_az_rate_deg_per_min":3.85,"moon_separation":60.8,"never_rises":false,"ra":279.23473479,"ra_of_date":279.4836,"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":"5.5 dark hours above 30\u00b0 \u2014 a proper target for this night.","terrain":{"available":true,"behind_at":"2029-08-22T04:02:00Z","blocked_dark_hours":0,"clears_at":"2029-08-21T10:01:14Z","rise_az":34.4},"track":[{"above_terrain":false,"airmass":null,"alt":-4.93,"az":23.2,"t":"2029-08-21T09:00:00Z","terrain":1.12},{"above_terrain":false,"airmass":null,"alt":-4.55,"az":24.1,"t":"2029-08-21T09:05:00Z","terrain":0.95},{"above_terrain":false,"airmass":null,"alt":-4.16,"az":25.0,"t":"2029-08-21T09:10:00Z","terrain":1.22},{"above_terrain":false,"airmass":null,"alt":-3.76,"az":25.9,"t":"2029-08-21T09:15:00Z","terrain":1.33},{"above_terrain":false,"airmass":null,"alt":-3.35,"az":26.8,"t":"2029-08-21T09:20:00Z","terrain":1.29},{"above_terrain":false,"airmass":null,"alt":-2.92,"az":27.6,"t":"2029-08-21T09:25:00Z","terrain":1.22},{"above_terrain":false,"airmass":null,"alt":-2.48,"az":28.5,"t":"2029-08-21T09:30:00Z","terrain":1.09},{"above_terrain":false,"airmass":null,"alt":-2.02,"az":29.4,"t":"2029-08-21T09:35:00Z","terrain":1.06},{"above_terrain":false,"airmass":null,"alt":-1.56,"az":30.2,"t":"2029-08-21T09:40:00Z","terrain":1.19},{"above_terrain":false,"airmass":null,"alt":-1.08,"az":31.1,"t":"2029-08-21T09:45:00Z","terrain":1.31},{"above_terrain":false,"airmass":null,"alt":-0.59,"az":31.9,"t":"2029-08-21T09:50:00Z","terrain":1.33},{"above_terrain":false,"airmass":null,"alt":-0.09,"az":32.8,"t":"2029-08-21T09:55:00Z","terrain":1.06},{"above_terrain":false,"airmass":32.27,"alt":0.42,"az":33.6,"t":"2029-08-21T10:00:00Z","terrain":0.65},{"above_terrain":true,"airmass":26.8,"alt":0.95,"az":34.4,"t":"2029-08-21T10:05:00Z","terrain":0.26},{"above_terrain":true,"airmass":22.58,"alt":1.48,"az":35.3,"t":"2029-08-21T10:10:00Z","terrain":0.04},{"above_terrain":true,"airmass":19.3,"alt":2.03,"az":36.1,"t":"2029-08-21T10:15:00Z","terrain":0.02},{"above_terrain":true,"airmass":16.72,"alt":2.58,"az":36.9,"t":"2029-08-21T10:20:00Z","terrain":-0.07},{"above_terrain":true,"airmass":14.65,"alt":3.15,"az":37.7,"t":"2029-08-21T10:25:00Z","terrain":-0.17},{"above_terrain":true,"airmass":12.98,"alt":3.73,"az":38.5,"t":"2029-08-21T10:30:00Z","terrain":-0.19},{"above_terrain":true,"airmass":11.61,"alt":4.31,"az":39.2,"t":"2029-08-21T10:35:00Z","terrain":-0.13},{"above_terrain":true,"airmass":10.46,"alt":4.91,"az":40.0,"t":"2029-08-21T10:40:00Z","terrain":-0.05},{"above_terrain":true,"airmass":9.5,"alt":5.52,"az":40.8,"t":"2029-08-21T10:45:00Z","terrain":0.0},{"above_terrain":true,"airmass":8.68,"alt":6.13,"az":41.5,"t":"2029-08-21T10:50:00Z","terrain":0.07},{"above_terrain":true,"airmass":7.97,"alt":6.76,"az":42.3,"t":"2029-08-21T10:55:00Z","terrain":0.16},{"above_terrain":true,"airmass":7.36,"alt":7.39,"az":43.0,"t":"2029-08-21T11:00:00Z","terrain":0.26},{"above_terrain":true,"airmass":6.83,"alt":8.04,"az":43.8,"t":"2029-08-21T11:05:00Z","terrain":0.38},{"above_terrain":true,"airmass":6.36,"alt":8.69,"az":44.5,"t":"2029-08-21T11:10:00Z","terrain":0.5},{"above_terrain":true,"airmass":5.95,"alt":9.35,"az":45.3,"t":"2029-08-21T11:15:00Z","terrain":0.6},{"above_terrain":true,"airmass":5.58,"alt":10.02,"az":46.0,"t":"2029-08-21T11:20:00Z","terrain":0.67},{"above_terrain":true,"airmass":5.25,"alt":10.69,"az":46.7,"t":"2029-08-21T11:25:00Z","terrain":0.63},{"above_terrain":true,"airmass":4.95,"alt":11.38,"az":47.4,"t":"2029-08-21T11:30:00Z","terrain":0.58},{"above_terrain":true,"airmass":4.68,"alt":12.07,"az":48.1,"t":"2029-08-21T11:35:00Z","terrain":0.52},{"above_terrain":true,"airmass":4.44,"alt":12.77,"az":48.8,"t":"2029-08-21T11:40:00Z","terrain":0.43},{"above_terrain":true,"airmass":4.22,"alt":13.48,"az":49.5,"t":"2029-08-21T11:45:00Z","terrain":0.41},{"above_terrain":true,"airmass":4.02,"alt":14.19,"az":50.2,"t":"2029-08-21T11:50:00Z","terrain":0.42},{"above_terrain":true,"airmass":3.83,"alt":14.92,"az":50.9,"t":"2029-08-21T11:55:00Z","terrain":0.51},{"above_terrain":true,"airmass":3.66,"alt":15.65,"az":51.5,"t":"2029-08-21T12:00:00Z","terrain":0.58},{"above_terrain":true,"airmass":3.51,"alt":16.38,"az":52.2,"t":"2029-08-21T12:05:00Z","terrain":0.67},{"above_terrain":true,"airmass":3.36,"alt":17.13,"az":52.9,"t":"2029-08-21T12:10:00Z","terrain":0.81},{"above_terrain":true,"airmass":3.23,"alt":17.87,"az":53.5,"t":"2029-08-21T12:15:00Z","terrain":0.92},{"above_terrain":true,"airmass":3.1,"alt":18.63,"az":54.2,"t":"2029-08-21T12:20:00Z","terrain":1.01},{"above_terrain":true,"airmass":2.99,"alt":19.39,"az":54.8,"t":"2029-08-21T12:25:00Z","terrain":1.06},{"above_terrain":true,"airmass":2.88,"alt":20.16,"az":55.5,"t":"2029-08-21T12:30:00Z","terrain":1.07},{"above_terrain":true,"airmass":2.78,"alt":20.93,"az":56.1,"t":"2029-08-21T12:35:00Z","terrain":1.05},{"above_terrain":true,"airmass":2.69,"alt":21.71,"az":56.7,"t":"2029-08-21T12:40:00Z","terrain":1.06},{"above_terrain":true,"airmass":2.6,"alt":22.5,"az":57.3,"t":"2029-08-21T12:45:00Z","terrain":1.13},{"above_terrain":true,"airmass":2.52,"alt":23.29,"az":58.0,"t":"2029-08-21T12:50:00Z","terrain":1.24},{"above_terrain":true,"airmass":2.44,"alt":24.09,"az":58.6,"t":"2029-08-21T12:55:00Z","terrain":1.23},{"above_terrain":true,"airmass":2.37,"alt":24.89,"az":59.2,"t":"2029-08-21T13:00:00Z","terrain":1.2},{"above_terrain":true,"airmass":2.3,"alt":25.69,"az":59.8,"t":"2029-08-21T13:05:00Z","terrain":1.18},{"above_terrain":true,"airmass":2.23,"alt":26.51,"az":60.4,"t":"2029-08-21T13:10:00Z","terrain":1.14},{"above_terrain":true,"airmass":2.17,"alt":27.32,"az":61.0,"t":"2029-08-21T13:15:00Z","terrain":1.09},{"above_terrain":true,"airmass":2.11,"alt":28.14,"az":61.6,"t":"2029-08-21T13:20:00Z","terrain":1.04},{"above_terrain":true,"airmass":2.06,"alt":28.97,"az":62.2,"t":"2029-08-21T13:25:00Z","terrain":0.99},{"above_terrain":true,"airmass":2.01,"alt":29.8,"az":62.8,"t":"2029-08-21T13:30:00Z","terrain":0.93},{"above_terrain":true,"airmass":1.96,"alt":30.63,"az":63.4,"t":"2029-08-21T13:35:00Z","terrain":0.86},{"above_terrain":true,"airmass":1.91,"alt":31.47,"az":64.0,"t":"2029-08-21T13:40:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.87,"alt":32.32,"az":64.6,"t":"2029-08-21T13:45:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.82,"alt":33.16,"az":65.1,"t":"2029-08-21T13:50:00Z","terrain":0.78},{"above_terrain":true,"airmass":1.78,"alt":34.01,"az":65.7,"t":"2029-08-21T13:55:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.75,"alt":34.87,"az":66.3,"t":"2029-08-21T14:00:00Z","terrain":0.86},{"above_terrain":true,"airmass":1.71,"alt":35.73,"az":66.8,"t":"2029-08-21T14:05:00Z","terrain":0.91},{"above_terrain":true,"airmass":1.67,"alt":36.59,"az":67.4,"t":"2029-08-21T14:10:00Z","terrain":0.95},{"above_terrain":true,"airmass":1.64,"alt":37.46,"az":68.0,"t":"2029-08-21T14:15:00Z","terrain":0.99},{"above_terrain":true,"airmass":1.61,"alt":38.32,"az":68.5,"t":"2029-08-21T14:20:00Z","terrain":1.02},{"above_terrain":true,"airmass":1.58,"alt":39.2,"az":69.1,"t":"2029-08-21T14:25:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.55,"alt":40.07,"az":69.7,"t":"2029-08-21T14:30:00Z","terrain":1.16},{"above_terrain":true,"airmass":1.52,"alt":40.95,"az":70.2,"t":"2029-08-21T14:35:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.5,"alt":41.84,"az":70.8,"t":"2029-08-21T14:40:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.47,"alt":42.72,"az":71.3,"t":"2029-08-21T14:45:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.45,"alt":43.61,"az":71.9,"t":"2029-08-21T14:50:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.43,"alt":44.5,"az":72.5,"t":"2029-08-21T14:55:00Z","terrain":1.1},{"above_terrain":true,"airmass":1.4,"alt":45.39,"az":73.0,"t":"2029-08-21T15:00:00Z","terrain":0.99},{"above_terrain":true,"airmass":1.38,"alt":46.29,"az":73.6,"t":"2029-08-21T15:05:00Z","terrain":0.84},{"above_terrain":true,"airmass":1.36,"alt":47.19,"az":74.1,"t":"2029-08-21T15:10:00Z","terrain":0.72},{"above_terrain":true,"airmass":1.34,"alt":48.09,"az":74.7,"t":"2029-08-21T15:15:00Z","terrain":0.66},{"above_terrain":true,"airmass":1.32,"alt":48.99,"az":75.2,"t":"2029-08-21T15:20:00Z","terrain":0.65},{"above_terrain":true,"airmass":1.31,"alt":49.9,"az":75.8,"t":"2029-08-21T15:25:00Z","terrain":0.7},{"above_terrain":true,"airmass":1.29,"alt":50.81,"az":76.4,"t":"2029-08-21T15:30:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.27,"alt":51.72,"az":76.9,"t":"2029-08-21T15:35:00Z","terrain":0.7},{"above_terrain":true,"airmass":1.26,"alt":52.63,"az":77.5,"t":"2029-08-21T15:40:00Z","terrain":0.67},{"above_terrain":true,"airmass":1.24,"alt":53.55,"az":78.1,"t":"2029-08-21T15:45:00Z","terrain":0.63},{"above_terrain":true,"airmass":1.23,"alt":54.46,"az":78.6,"t":"2029-08-21T15:50:00Z","terrain":0.59},{"above_terrain":true,"airmass":1.21,"alt":55.38,"az":79.2,"t":"2029-08-21T15:55:00Z","terrain":0.55},{"above_terrain":true,"airmass":1.2,"alt":56.3,"az":79.8,"t":"2029-08-21T16:00:00Z","terrain":0.48},{"above_terrain":true,"airmass":1.19,"alt":57.22,"az":80.4,"t":"2029-08-21T16:05:00Z","terrain":0.55},{"above_terrain":true,"airmass":1.18,"alt":58.15,"az":81.0,"t":"2029-08-21T16:10:00Z","terrain":0.68},{"above_terrain":true,"airmass":1.16,"alt":59.07,"az":81.6,"t":"2029-08-21T16:15:00Z","terrain":0.75},{"above_terrain":true,"airmass":1.15,"alt":60.0,"az":82.2,"t":"2029-08-21T16:20:00Z","terrain":0.74},{"above_terrain":true,"airmass":1.14,"alt":60.93,"az":82.8,"t":"2029-08-21T16:25:00Z","terrain":0.53},{"above_terrain":true,"airmass":1.13,"alt":61.86,"az":83.4,"t":"2029-08-21T16:30:00Z","terrain":0.43},{"above_terrain":true,"airmass":1.12,"alt":62.79,"az":84.1,"t":"2029-08-21T16:35:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.11,"alt":63.72,"az":84.7,"t":"2029-08-21T16:40:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.11,"alt":64.65,"az":85.4,"t":"2029-08-21T16:45:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.1,"alt":65.58,"az":86.1,"t":"2029-08-21T16:50:00Z","terrain":0.16},{"above_terrain":true,"airmass":1.09,"alt":66.52,"az":86.8,"t":"2029-08-21T16:55:00Z","terrain":0.09},{"above_terrain":true,"airmass":1.08,"alt":67.45,"az":87.5,"t":"2029-08-21T17:00:00Z","terrain":-0.0},{"above_terrain":true,"airmass":1.08,"alt":68.39,"az":88.3,"t":"2029-08-21T17:05:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.07,"alt":69.32,"az":89.0,"t":"2029-08-21T17:10:00Z","terrain":-0.2},{"above_terrain":true,"airmass":1.06,"alt":70.26,"az":89.8,"t":"2029-08-21T17:15:00Z","terrain":-0.22},{"above_terrain":true,"airmass":1.06,"alt":71.2,"az":90.7,"t":"2029-08-21T17:20:00Z","terrain":-0.13},{"above_terrain":true,"airmass":1.05,"alt":72.13,"az":91.6,"t":"2029-08-21T17:25:00Z","terrain":0.02},{"above_terrain":true,"airmass":1.04,"alt":73.07,"az":92.5,"t":"2029-08-21T17:30:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.04,"alt":74.0,"az":93.5,"t":"2029-08-21T17:35:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.04,"alt":74.94,"az":94.6,"t":"2029-08-21T17:40:00Z","terrain":0.39},{"above_terrain":true,"airmass":1.03,"alt":75.87,"az":95.7,"t":"2029-08-21T17:45:00Z","terrain":0.51},{"above_terrain":true,"airmass":1.03,"alt":76.8,"az":97.0,"t":"2029-08-21T17:50:00Z","terrain":0.73},{"above_terrain":true,"airmass":1.02,"alt":77.73,"az":98.4,"t":"2029-08-21T17:55:00Z","terrain":0.6},{"above_terrain":true,"airmass":1.02,"alt":78.65,"az":99.9,"t":"2029-08-21T18:00:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.02,"alt":79.57,"az":101.7,"t":"2029-08-21T18:05:00Z","terrain":-0.0},{"above_terrain":true,"airmass":1.01,"alt":80.48,"az":103.7,"t":"2029-08-21T18:10:00Z","terrain":-0.06},{"above_terrain":true,"airmass":1.01,"alt":81.39,"az":106.0,"t":"2029-08-21T18:15:00Z","terrain":-0.64},{"above_terrain":true,"airmass":1.01,"alt":82.28,"az":108.8,"t":"2029-08-21T18:20:00Z","terrain":-1.14},{"above_terrain":true,"airmass":1.01,"alt":83.16,"az":112.2,"t":"2029-08-21T18:25:00Z","terrain":-1.39},{"above_terrain":true,"airmass":1.01,"alt":84.01,"az":116.5,"t":"2029-08-21T18:30:00Z","terrain":-1.55},{"above_terrain":true,"airmass":1.0,"alt":84.83,"az":122.0,"t":"2029-08-21T18:35:00Z","terrain":-1.19},{"above_terrain":true,"airmass":1.0,"alt":85.59,"az":129.4,"t":"2029-08-21T18:40:00Z","terrain":-1.29},{"above_terrain":true,"airmass":1.0,"alt":86.26,"az":139.4,"t":"2029-08-21T18:45:00Z","terrain":-1.33},{"above_terrain":true,"airmass":1.0,"alt":86.78,"az":153.0,"t":"2029-08-21T18:50:00Z","terrain":-0.93},{"above_terrain":true,"airmass":1.0,"alt":87.08,"az":170.5,"t":"2029-08-21T18:55:00Z","terrain":-0.62},{"above_terrain":true,"airmass":1.0,"alt":87.08,"az":189.8,"t":"2029-08-21T19:00:00Z","terrain":-0.57},{"above_terrain":true,"airmass":1.0,"alt":86.78,"az":207.2,"t":"2029-08-21T19:05:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.0,"alt":86.25,"az":220.8,"t":"2029-08-21T19:10:00Z","terrain":1.15},{"above_terrain":true,"airmass":1.0,"alt":85.58,"az":230.8,"t":"2029-08-21T19:15:00Z","terrain":0.94},{"above_terrain":true,"airmass":1.0,"alt":84.81,"az":238.1,"t":"2029-08-21T19:20:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.01,"alt":84.0,"az":243.6,"t":"2029-08-21T19:25:00Z","terrain":0.97},{"above_terrain":true,"airmass":1.01,"alt":83.14,"az":247.8,"t":"2029-08-21T19:30:00Z","terrain":0.65},{"above_terrain":true,"airmass":1.01,"alt":82.27,"az":251.2,"t":"2029-08-21T19:35:00Z","terrain":0.47},{"above_terrain":true,"airmass":1.01,"alt":81.37,"az":254.0,"t":"2029-08-21T19:40:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.01,"alt":80.47,"az":256.3,"t":"2029-08-21T19:45:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.02,"alt":79.56,"az":258.3,"t":"2029-08-21T19:50:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.02,"alt":78.64,"az":260.1,"t":"2029-08-21T19:55:00Z","terrain":0.58},{"above_terrain":true,"airmass":1.02,"alt":77.71,"az":261.6,"t":"2029-08-21T20:00:00Z","terrain":0.93},{"above_terrain":true,"airmass":1.03,"alt":76.78,"az":263.0,"t":"2029-08-21T20:05:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.03,"alt":75.85,"az":264.3,"t":"2029-08-21T20:10:00Z","terrain":0.48},{"above_terrain":true,"airmass":1.04,"alt":74.92,"az":265.4,"t":"2029-08-21T20:15:00Z","terrain":0.42},{"above_terrain":true,"airmass":1.04,"alt":73.99,"az":266.5,"t":"2029-08-21T20:20:00Z","terrain":0.52},{"above_terrain":true,"airmass":1.04,"alt":73.05,"az":267.5,"t":"2029-08-21T20:25:00Z","terrain":0.61},{"above_terrain":true,"airmass":1.05,"alt":72.12,"az":268.4,"t":"2029-08-21T20:30:00Z","terrain":0.69},{"above_terrain":true,"airmass":1.06,"alt":71.18,"az":269.3,"t":"2029-08-21T20:35:00Z","terrain":0.8},{"above_terrain":true,"airmass":1.06,"alt":70.25,"az":270.2,"t":"2029-08-21T20:40:00Z","terrain":0.88},{"above_terrain":true,"airmass":1.07,"alt":69.31,"az":271.0,"t":"2029-08-21T20:45:00Z","terrain":0.78},{"above_terrain":true,"airmass":1.08,"alt":68.37,"az":271.8,"t":"2029-08-21T20:50:00Z","terrain":0.51},{"above_terrain":true,"airmass":1.08,"alt":67.44,"az":272.5,"t":"2029-08-21T20:55:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.09,"alt":66.5,"az":273.2,"t":"2029-08-21T21:00:00Z","terrain":0.1},{"above_terrain":true,"airmass":1.1,"alt":65.57,"az":273.9,"t":"2029-08-21T21:05:00Z","terrain":-0.02},{"above_terrain":true,"airmass":1.11,"alt":64.64,"az":274.6,"t":"2029-08-21T21:10:00Z","terrain":0.04},{"above_terrain":true,"airmass":1.11,"alt":63.7,"az":275.3,"t":"2029-08-21T21:15:00Z","terrain":0.06},{"above_terrain":true,"airmass":1.12,"alt":62.77,"az":275.9,"t":"2029-08-21T21:20:00Z","terrain":-0.0},{"above_terrain":true,"airmass":1.13,"alt":61.84,"az":276.6,"t":"2029-08-21T21:25:00Z","terrain":-0.08},{"above_terrain":true,"airmass":1.14,"alt":60.91,"az":277.2,"t":"2029-08-21T21:30:00Z","terrain":-0.13},{"above_terrain":true,"airmass":1.15,"alt":59.99,"az":277.8,"t":"2029-08-21T21:35:00Z","terrain":-0.09},{"above_terrain":true,"airmass":1.17,"alt":59.06,"az":278.4,"t":"2029-08-21T21:40:00Z","terrain":-0.05},{"above_terrain":true,"airmass":1.18,"alt":58.13,"az":279.0,"t":"2029-08-21T21:45:00Z","terrain":-0.02},{"above_terrain":true,"airmass":1.19,"alt":57.21,"az":279.6,"t":"2029-08-21T21:50:00Z","terrain":-0.09},{"above_terrain":true,"airmass":1.2,"alt":56.29,"az":280.2,"t":"2029-08-21T21:55:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.21,"alt":55.37,"az":280.8,"t":"2029-08-21T22:00:00Z","terrain":-0.0},{"above_terrain":true,"airmass":1.23,"alt":54.45,"az":281.4,"t":"2029-08-21T22:05:00Z","terrain":-0.03},{"above_terrain":true,"airmass":1.24,"alt":53.53,"az":281.9,"t":"2029-08-21T22:10:00Z","terrain":-0.12},{"above_terrain":true,"airmass":1.26,"alt":52.62,"az":282.5,"t":"2029-08-21T22:15:00Z","terrain":-0.07},{"above_terrain":true,"airmass":1.27,"alt":51.71,"az":283.1,"t":"2029-08-21T22:20:00Z","terrain":0.0},{"above_terrain":true,"airmass":1.29,"alt":50.8,"az":283.6,"t":"2029-08-21T22:25:00Z","terrain":0.07},{"above_terrain":true,"airmass":1.31,"alt":49.89,"az":284.2,"t":"2029-08-21T22:30:00Z","terrain":0.14},{"above_terrain":true,"airmass":1.32,"alt":48.98,"az":284.8,"t":"2029-08-21T22:35:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.34,"alt":48.08,"az":285.3,"t":"2029-08-21T22:40:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.36,"alt":47.18,"az":285.9,"t":"2029-08-21T22:45:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.38,"alt":46.28,"az":286.4,"t":"2029-08-21T22:50:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.4,"alt":45.38,"az":287.0,"t":"2029-08-21T22:55:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.43,"alt":44.49,"az":287.6,"t":"2029-08-21T23:00:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.45,"alt":43.6,"az":288.1,"t":"2029-08-21T23:05:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.47,"alt":42.71,"az":288.7,"t":"2029-08-21T23:10:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.5,"alt":41.82,"az":289.2,"t":"2029-08-21T23:15:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.52,"alt":40.94,"az":289.8,"t":"2029-08-21T23:20:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.55,"alt":40.06,"az":290.3,"t":"2029-08-21T23:25:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.58,"alt":39.18,"az":290.9,"t":"2029-08-21T23:30:00Z","terrain":0.47},{"above_terrain":true,"airmass":1.61,"alt":38.31,"az":291.5,"t":"2029-08-21T23:35:00Z","terrain":0.52},{"above_terrain":true,"airmass":1.64,"alt":37.44,"az":292.0,"t":"2029-08-21T23:40:00Z","terrain":0.54},{"above_terrain":true,"airmass":1.68,"alt":36.58,"az":292.6,"t":"2029-08-21T23:45:00Z","terrain":0.39},{"above_terrain":true,"airmass":1.71,"alt":35.71,"az":293.2,"t":"2029-08-21T23:50:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.75,"alt":34.86,"az":293.7,"t":"2029-08-21T23:55:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.78,"alt":34.0,"az":294.3,"t":"2029-08-22T00:00:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.82,"alt":33.15,"az":294.9,"t":"2029-08-22T00:05:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.87,"alt":32.3,"az":295.5,"t":"2029-08-22T00:10:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.91,"alt":31.46,"az":296.0,"t":"2029-08-22T00:15:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.96,"alt":30.62,"az":296.6,"t":"2029-08-22T00:20:00Z","terrain":0.29},{"above_terrain":true,"airmass":2.01,"alt":29.79,"az":297.2,"t":"2029-08-22T00:25:00Z","terrain":0.23},{"above_terrain":true,"airmass":2.06,"alt":28.96,"az":297.8,"t":"2029-08-22T00:30:00Z","terrain":0.15},{"above_terrain":true,"airmass":2.11,"alt":28.13,"az":298.4,"t":"2029-08-22T00:35:00Z","terrain":0.14},{"above_terrain":true,"airmass":2.17,"alt":27.31,"az":299.0,"t":"2029-08-22T00:40:00Z","terrain":0.17},{"above_terrain":true,"airmass":2.23,"alt":26.49,"az":299.6,"t":"2029-08-22T00:45:00Z","terrain":0.29},{"above_terrain":true,"airmass":2.3,"alt":25.68,"az":300.2,"t":"2029-08-22T00:50:00Z","terrain":0.36},{"above_terrain":true,"airmass":2.37,"alt":24.87,"az":300.8,"t":"2029-08-22T00:55:00Z","terrain":0.33},{"above_terrain":true,"airmass":2.44,"alt":24.07,"az":301.4,"t":"2029-08-22T01:00:00Z","terrain":0.22},{"above_terrain":true,"airmass":2.52,"alt":23.28,"az":302.0,"t":"2029-08-22T01:05:00Z","terrain":0.07},{"above_terrain":true,"airmass":2.6,"alt":22.49,"az":302.7,"t":"2029-08-22T01:10:00Z","terrain":-0.13},{"above_terrain":true,"airmass":2.69,"alt":21.7,"az":303.3,"t":"2029-08-22T01:15:00Z","terrain":-0.19},{"above_terrain":true,"airmass":2.78,"alt":20.92,"az":303.9,"t":"2029-08-22T01:20:00Z","terrain":-0.11},{"above_terrain":true,"airmass":2.88,"alt":20.15,"az":304.6,"t":"2029-08-22T01:25:00Z","terrain":-0.21},{"above_terrain":true,"airmass":2.99,"alt":19.38,"az":305.2,"t":"2029-08-22T01:30:00Z","terrain":-0.27},{"above_terrain":true,"airmass":3.11,"alt":18.62,"az":305.8,"t":"2029-08-22T01:35:00Z","terrain":-0.19},{"above_terrain":true,"airmass":3.23,"alt":17.86,"az":306.5,"t":"2029-08-22T01:40:00Z","terrain":0.0},{"above_terrain":true,"airmass":3.36,"alt":17.11,"az":307.2,"t":"2029-08-22T01:45:00Z","terrain":0.2},{"above_terrain":true,"airmass":3.51,"alt":16.37,"az":307.8,"t":"2029-08-22T01:50:00Z","terrain":0.29},{"above_terrain":true,"airmass":3.67,"alt":15.64,"az":308.5,"t":"2029-08-22T01:55:00Z","terrain":0.25},{"above_terrain":true,"airmass":3.84,"alt":14.91,"az":309.2,"t":"2029-08-22T02:00:00Z","terrain":0.18},{"above_terrain":true,"airmass":4.02,"alt":14.18,"az":309.8,"t":"2029-08-22T02:05:00Z","terrain":0.21},{"above_terrain":true,"airmass":4.22,"alt":13.47,"az":310.5,"t":"2029-08-22T02:10:00Z","terrain":0.29},{"above_terrain":true,"airmass":4.44,"alt":12.76,"az":311.2,"t":"2029-08-22T02:15:00Z","terrain":0.31},{"above_terrain":true,"airmass":4.69,"alt":12.06,"az":311.9,"t":"2029-08-22T02:20:00Z","terrain":0.16},{"above_terrain":true,"airmass":4.96,"alt":11.37,"az":312.6,"t":"2029-08-22T02:25:00Z","terrain":0.22},{"above_terrain":true,"airmass":5.25,"alt":10.68,"az":313.3,"t":"2029-08-22T02:30:00Z","terrain":0.33},{"above_terrain":true,"airmass":5.58,"alt":10.01,"az":314.0,"t":"2029-08-22T02:35:00Z","terrain":0.47},{"above_terrain":true,"airmass":5.95,"alt":9.34,"az":314.8,"t":"2029-08-22T02:40:00Z","terrain":0.54},{"above_terrain":true,"airmass":6.37,"alt":8.68,"az":315.5,"t":"2029-08-22T02:45:00Z","terrain":0.52},{"above_terrain":true,"airmass":6.84,"alt":8.03,"az":316.2,"t":"2029-08-22T02:50:00Z","terrain":0.44},{"above_terrain":true,"airmass":7.37,"alt":7.38,"az":317.0,"t":"2029-08-22T02:55:00Z","terrain":0.31},{"above_terrain":true,"airmass":7.98,"alt":6.75,"az":317.7,"t":"2029-08-22T03:00:00Z","terrain":0.32},{"above_terrain":true,"airmass":8.69,"alt":6.12,"az":318.5,"t":"2029-08-22T03:05:00Z","terrain":0.11},{"above_terrain":true,"airmass":9.51,"alt":5.51,"az":319.2,"t":"2029-08-22T03:10:00Z","terrain":-0.15},{"above_terrain":true,"airmass":10.48,"alt":4.9,"az":320.0,"t":"2029-08-22T03:15:00Z","terrain":-0.2},{"above_terrain":true,"airmass":11.62,"alt":4.3,"az":320.8,"t":"2029-08-22T03:20:00Z","terrain":-0.2},{"above_terrain":true,"airmass":13.0,"alt":3.72,"az":321.6,"t":"2029-08-22T03:25:00Z","terrain":0.03},{"above_terrain":true,"airmass":14.68,"alt":3.14,"az":322.3,"t":"2029-08-22T03:30:00Z","terrain":0.16},{"above_terrain":true,"airmass":16.75,"alt":2.57,"az":323.1,"t":"2029-08-22T03:35:00Z","terrain":0.04},{"above_terrain":true,"airmass":19.34,"alt":2.02,"az":323.9,"t":"2029-08-22T03:40:00Z","terrain":-0.19},{"above_terrain":true,"airmass":22.64,"alt":1.47,"az":324.8,"t":"2029-08-22T03:45:00Z","terrain":-0.19},{"above_terrain":true,"airmass":26.87,"alt":0.94,"az":325.6,"t":"2029-08-22T03:50:00Z","terrain":-0.22},{"above_terrain":true,"airmass":32.37,"alt":0.41,"az":326.4,"t":"2029-08-22T03:55:00Z","terrain":-0.3},{"above_terrain":true,"airmass":null,"alt":-0.1,"az":327.2,"t":"2029-08-22T04:00:00Z","terrain":-0.35},{"above_terrain":false,"airmass":null,"alt":-0.6,"az":328.1,"t":"2029-08-22T04:05:00Z","terrain":-0.22},{"above_terrain":false,"airmass":null,"alt":-1.09,"az":328.9,"t":"2029-08-22T04:10:00Z","terrain":-0.14},{"above_terrain":false,"airmass":null,"alt":-1.57,"az":329.8,"t":"2029-08-22T04:15:00Z","terrain":-0.3},{"above_terrain":false,"airmass":null,"alt":-2.03,"az":330.6,"t":"2029-08-22T04:20:00Z","terrain":-0.38},{"above_terrain":false,"airmass":null,"alt":-2.48,"az":331.5,"t":"2029-08-22T04:25:00Z","terrain":-0.27},{"above_terrain":false,"airmass":null,"alt":-2.92,"az":332.4,"t":"2029-08-22T04:30:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-3.35,"az":333.2,"t":"2029-08-22T04:35:00Z","terrain":-0.15},{"above_terrain":false,"airmass":null,"alt":-3.77,"az":334.1,"t":"2029-08-22T04:40:00Z","terrain":-0.28},{"above_terrain":false,"airmass":null,"alt":-4.17,"az":335.0,"t":"2029-08-22T04:45:00Z","terrain":-0.6},{"above_terrain":false,"airmass":null,"alt":-4.56,"az":335.9,"t":"2029-08-22T04:50:00Z","terrain":-0.81},{"above_terrain":false,"airmass":null,"alt":-4.93,"az":336.8,"t":"2029-08-22T04:55:00Z","terrain":-0.75},{"above_terrain":false,"airmass":null,"alt":-5.29,"az":337.7,"t":"2029-08-22T05:00:00Z","terrain":-0.54},{"above_terrain":false,"airmass":null,"alt":-5.64,"az":338.7,"t":"2029-08-22T05:05:00Z","terrain":-0.65},{"above_terrain":false,"airmass":null,"alt":-5.98,"az":339.6,"t":"2029-08-22T05:10:00Z","terrain":-0.62},{"above_terrain":false,"airmass":null,"alt":-6.29,"az":340.5,"t":"2029-08-22T05:15:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-6.6,"az":341.4,"t":"2029-08-22T05:20:00Z","terrain":-0.46},{"above_terrain":false,"airmass":null,"alt":-6.89,"az":342.4,"t":"2029-08-22T05:25:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-7.17,"az":343.3,"t":"2029-08-22T05:30:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-7.43,"az":344.3,"t":"2029-08-22T05:35:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-7.67,"az":345.2,"t":"2029-08-22T05:40:00Z","terrain":-0.43},{"above_terrain":false,"airmass":null,"alt":-7.9,"az":346.2,"t":"2029-08-22T05:45:00Z","terrain":-0.53},{"above_terrain":false,"airmass":null,"alt":-8.12,"az":347.1,"t":"2029-08-22T05:50:00Z","terrain":-0.38},{"above_terrain":false,"airmass":null,"alt":-8.32,"az":348.1,"t":"2029-08-22T05:55:00Z","terrain":-0.12},{"above_terrain":false,"airmass":null,"alt":-8.51,"az":349.1,"t":"2029-08-22T06:00:00Z","terrain":0.01},{"above_terrain":false,"airmass":null,"alt":-8.68,"az":350.1,"t":"2029-08-22T06:05:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-8.83,"az":351.0,"t":"2029-08-22T06:10:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-8.97,"az":352.0,"t":"2029-08-22T06:15:00Z","terrain":0.27},{"above_terrain":false,"airmass":null,"alt":-9.09,"az":353.0,"t":"2029-08-22T06:20:00Z","terrain":0.5},{"above_terrain":false,"airmass":null,"alt":-9.2,"az":354.0,"t":"2029-08-22T06:25:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-9.29,"az":355.0,"t":"2029-08-22T06:30:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-9.36,"az":355.9,"t":"2029-08-22T06:35:00Z","terrain":0.74},{"above_terrain":false,"airmass":null,"alt":-9.42,"az":356.9,"t":"2029-08-22T06:40:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-9.46,"az":357.9,"t":"2029-08-22T06:45:00Z","terrain":0.63},{"above_terrain":false,"airmass":null,"alt":-9.49,"az":358.9,"t":"2029-08-22T06:50:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-9.5,"az":359.9,"t":"2029-08-22T06:55:00Z","terrain":0.51},{"above_terrain":false,"airmass":null,"alt":-9.49,"az":0.9,"t":"2029-08-22T07:00:00Z","terrain":0.38},{"above_terrain":false,"airmass":null,"alt":-9.47,"az":1.9,"t":"2029-08-22T07:05:00Z","terrain":0.15},{"above_terrain":false,"airmass":null,"alt":-9.43,"az":2.9,"t":"2029-08-22T07:10:00Z","terrain":-0.1},{"above_terrain":false,"airmass":null,"alt":-9.37,"az":3.9,"t":"2029-08-22T07:15:00Z","terrain":-0.26},{"above_terrain":false,"airmass":null,"alt":-9.3,"az":4.8,"t":"2029-08-22T07:20:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-9.22,"az":5.8,"t":"2029-08-22T07:25:00Z","terrain":-0.56},{"above_terrain":false,"airmass":null,"alt":-9.11,"az":6.8,"t":"2029-08-22T07:30:00Z","terrain":-0.44},{"above_terrain":false,"airmass":null,"alt":-8.99,"az":7.8,"t":"2029-08-22T07:35:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-8.86,"az":8.8,"t":"2029-08-22T07:40:00Z","terrain":-0.6},{"above_terrain":false,"airmass":null,"alt":-8.71,"az":9.8,"t":"2029-08-22T07:45:00Z","terrain":-0.61},{"above_terrain":false,"airmass":null,"alt":-8.54,"az":10.7,"t":"2029-08-22T07:50:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-8.36,"az":11.7,"t":"2029-08-22T07:55:00Z","terrain":-0.25},{"above_terrain":false,"airmass":null,"alt":-8.16,"az":12.7,"t":"2029-08-22T08:00:00Z","terrain":-0.11},{"above_terrain":false,"airmass":null,"alt":-7.95,"az":13.6,"t":"2029-08-22T08:05:00Z","terrain":0.03},{"above_terrain":false,"airmass":null,"alt":-7.72,"az":14.6,"t":"2029-08-22T08:10:00Z","terrain":0.28},{"above_terrain":false,"airmass":null,"alt":-7.48,"az":15.5,"t":"2029-08-22T08:15:00Z","terrain":0.45},{"above_terrain":false,"airmass":null,"alt":-7.22,"az":16.5,"t":"2029-08-22T08:20:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-6.95,"az":17.4,"t":"2029-08-22T08:25:00Z","terrain":0.5},{"above_terrain":false,"airmass":null,"alt":-6.66,"az":18.4,"t":"2029-08-22T08:30:00Z","terrain":0.56},{"above_terrain":false,"airmass":null,"alt":-6.36,"az":19.3,"t":"2029-08-22T08:35:00Z","terrain":0.64},{"above_terrain":false,"airmass":null,"alt":-6.04,"az":20.2,"t":"2029-08-22T08:40:00Z","terrain":0.67},{"above_terrain":false,"airmass":null,"alt":-5.71,"az":21.2,"t":"2029-08-22T08:45:00Z","terrain":0.74},{"above_terrain":false,"airmass":null,"alt":-5.36,"az":22.1,"t":"2029-08-22T08:50:00Z","terrain":1.0},{"above_terrain":false,"airmass":null,"alt":-5.01,"az":23.0,"t":"2029-08-22T08:55:00Z","terrain":1.16},{"above_terrain":false,"airmass":null,"alt":-4.63,"az":23.9,"t":"2029-08-22T09:00:00Z","terrain":0.94}],"transit":{"airmass":1.0,"alt":87.1,"az":170.5,"t":"2029-08-21T18:55:00Z"},"usable_hours":6.58,"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."]}