{"assessment":{"best_window":{"end":"2047-08-17T01:50Z","end_local":"04:50","hours":6.5,"label":"good","mean_quality":0.9,"start":"2047-08-16T19:20Z","start_local":"22:20"},"cost":{"altitude":0.91,"clouds":0.0,"darkness":1.39,"moon":0.22},"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":14,"cloud":null,"high":null,"iso":"2047-08-16T18:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-24,"precip":null,"q":0.0,"rh":null,"sky":"nautical twilight","temp":null,"time":"21:00","wind":null},{"alt":22,"cloud":null,"high":null,"iso":"2047-08-16T19:00Z","label":"poor","low":null,"mid":null,"moon_alt":-24,"precip":null,"q":0.24,"rh":null,"sky":"astronomical twilight","temp":null,"time":"22:00","wind":null},{"alt":32,"cloud":null,"high":null,"iso":"2047-08-16T20:00Z","label":"good","low":null,"mid":null,"moon_alt":-21,"precip":null,"q":0.81,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":42,"cloud":null,"high":null,"iso":"2047-08-16T21:00Z","label":"good","low":null,"mid":null,"moon_alt":-16,"precip":null,"q":0.88,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":52,"cloud":null,"high":null,"iso":"2047-08-16T22:00Z","label":"good","low":null,"mid":null,"moon_alt":-10,"precip":null,"q":0.95,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":63,"cloud":null,"high":null,"iso":"2047-08-16T23:00Z","label":"good","low":null,"mid":null,"moon_alt":-1,"precip":null,"q":1.0,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":74,"cloud":null,"high":null,"iso":"2047-08-17T00:00Z","label":"good","low":null,"mid":null,"moon_alt":8,"precip":null,"q":0.94,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":85,"cloud":null,"high":null,"iso":"2047-08-17T01:00Z","label":"good","low":null,"mid":null,"moon_alt":18,"precip":null,"q":0.93,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":83,"cloud":null,"high":null,"iso":"2047-08-17T02:00Z","label":"marginal","low":null,"mid":null,"moon_alt":29,"precip":null,"q":0.46,"rh":null,"sky":"astronomical twilight","temp":null,"time":"05:00","wind":null},{"alt":72,"cloud":null,"high":null,"iso":"2047-08-17T03:00Z","label":"poor","low":null,"mid":null,"moon_alt":40,"precip":null,"q":0.14,"rh":null,"sky":"nautical twilight","temp":null,"time":"06:00","wind":null}],"peak_quality":1.0,"peak_sky":1.0,"quality_hours":6.43,"reasons":["daylight and twilight cost 1.4 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":6.43,"verdict":"unknown","verdict_astronomy":"good","weather_known":false,"windows":[{"end":"2047-08-16T18:50Z","end_local":"21:50","hours":1.58,"label":"unusable","mean_quality":0.0,"start":"2047-08-16T17:15Z","start_local":"20:15"},{"end":"2047-08-16T19:05Z","end_local":"22:05","hours":0.25,"label":"poor","mean_quality":0.23,"start":"2047-08-16T18:50Z","start_local":"21:50"},{"end":"2047-08-16T19:20Z","end_local":"22:20","hours":0.25,"label":"marginal","mean_quality":0.55,"start":"2047-08-16T19:05Z","start_local":"22:05"},{"end":"2047-08-17T01:50Z","end_local":"04:50","hours":6.5,"label":"good","mean_quality":0.9,"start":"2047-08-16T19:20Z","start_local":"22:20"},{"end":"2047-08-17T02:30Z","end_local":"05:30","hours":0.67,"label":"marginal","mean_quality":0.46,"start":"2047-08-17T01:50Z","start_local":"04:50"},{"end":"2047-08-17T03:05Z","end_local":"06:05","hours":0.58,"label":"poor","mean_quality":0.14,"start":"2047-08-17T02:30Z","start_local":"05:30"},{"end":"2047-08-17T03:35Z","end_local":"06:35","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2047-08-17T03:05Z","start_local":"06:05"}]},"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":"2047-08-16T19:04:41Z","dark_hours":6.7,"dark_to":"2047-08-17T01:46:25Z","moon":{"illumination":0.209,"phase":"waning crescent","waxing":false},"moon_free_dark_hours":4.07,"moonrise":"2047-08-16T23:09:24Z","moonset":"2047-08-16T13:52:11Z","sunrise":"2047-08-17T03:31:21Z","sunset":"2047-08-16T17:19:48Z","twilight":{"astronomical":{"end":"2047-08-16T19:04:41Z","start":"2047-08-17T01:46:25Z"},"civil":{"end":"2047-08-16T17:49:33Z","start":"2047-08-17T03:01:35Z"},"nautical":{"end":"2047-08-16T18:25:44Z","start":"2047-08-17T02:25:23Z"}},"window_end":"2047-08-17T09:00:00Z","window_start":"2047-08-16T09:00:00Z"},"night_date":"2047-08-16","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.0,"alt":89.8,"t":"2047-08-17T01:25:00Z"},"dec":41.26875,"dec_of_date":41.529,"dec_str":"+41\u00b0 16' 07.5\"","good_hours":5.92,"limit_rise":"2047-08-16T18:45:15Z","limit_set":"2047-08-17T08:04:39Z","max_az_rate_deg_per_min":16.68,"moon_separation":65.9,"never_rises":false,"ra":10.68470833,"ra_of_date":11.3396,"ra_str":"00h 42m 44.3s","resolved":{"common_name":"Andromeda Galaxy","dec":41.26875,"morphology":"SA(s)b","name":"M 31","ra":10.68470833,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=M31","source":"sesame","type":"AGN","type_text":"galaxy with an active nucleus","vmag":3.44},"summary":"5.9 dark hours above 30\u00b0 \u2014 a proper target for this night.","terrain":{"available":true,"behind_at":"2047-08-16T10:57:20Z","blocked_dark_hours":0,"clears_at":"2047-08-16T16:10:00Z","rise_az":315.1},"track":[{"above_terrain":true,"airmass":4.43,"alt":12.81,"az":315.1,"t":"2047-08-16T09:00:00Z","terrain":0.55},{"above_terrain":true,"airmass":4.65,"alt":12.16,"az":315.8,"t":"2047-08-16T09:05:00Z","terrain":0.5},{"above_terrain":true,"airmass":4.9,"alt":11.51,"az":316.4,"t":"2047-08-16T09:10:00Z","terrain":0.4},{"above_terrain":true,"airmass":5.17,"alt":10.87,"az":317.1,"t":"2047-08-16T09:15:00Z","terrain":0.3},{"above_terrain":true,"airmass":5.47,"alt":10.23,"az":317.9,"t":"2047-08-16T09:20:00Z","terrain":0.33},{"above_terrain":true,"airmass":5.8,"alt":9.61,"az":318.6,"t":"2047-08-16T09:25:00Z","terrain":0.07},{"above_terrain":true,"airmass":6.16,"alt":9.0,"az":319.3,"t":"2047-08-16T09:30:00Z","terrain":-0.16},{"above_terrain":true,"airmass":6.57,"alt":8.39,"az":320.0,"t":"2047-08-16T09:35:00Z","terrain":-0.2},{"above_terrain":true,"airmass":7.02,"alt":7.79,"az":320.7,"t":"2047-08-16T09:40:00Z","terrain":-0.2},{"above_terrain":true,"airmass":7.53,"alt":7.21,"az":321.5,"t":"2047-08-16T09:45:00Z","terrain":-0.01},{"above_terrain":true,"airmass":8.11,"alt":6.63,"az":322.2,"t":"2047-08-16T09:50:00Z","terrain":0.18},{"above_terrain":true,"airmass":8.77,"alt":6.06,"az":323.0,"t":"2047-08-16T09:55:00Z","terrain":0.08},{"above_terrain":true,"airmass":9.52,"alt":5.5,"az":323.7,"t":"2047-08-16T10:00:00Z","terrain":-0.13},{"above_terrain":true,"airmass":10.39,"alt":4.95,"az":324.5,"t":"2047-08-16T10:05:00Z","terrain":-0.2},{"above_terrain":true,"airmass":11.4,"alt":4.41,"az":325.3,"t":"2047-08-16T10:10:00Z","terrain":-0.2},{"above_terrain":true,"airmass":12.58,"alt":3.88,"az":326.0,"t":"2047-08-16T10:15:00Z","terrain":-0.25},{"above_terrain":true,"airmass":13.98,"alt":3.37,"az":326.8,"t":"2047-08-16T10:20:00Z","terrain":-0.36},{"above_terrain":true,"airmass":15.64,"alt":2.86,"az":327.6,"t":"2047-08-16T10:25:00Z","terrain":-0.29},{"above_terrain":true,"airmass":17.65,"alt":2.36,"az":328.4,"t":"2047-08-16T10:30:00Z","terrain":-0.19},{"above_terrain":true,"airmass":20.09,"alt":1.88,"az":329.2,"t":"2047-08-16T10:35:00Z","terrain":-0.18},{"above_terrain":true,"airmass":23.09,"alt":1.41,"az":330.0,"t":"2047-08-16T10:40:00Z","terrain":-0.35},{"above_terrain":true,"airmass":26.8,"alt":0.94,"az":330.8,"t":"2047-08-16T10:45:00Z","terrain":-0.38},{"above_terrain":true,"airmass":31.41,"alt":0.49,"az":331.7,"t":"2047-08-16T10:50:00Z","terrain":-0.22},{"above_terrain":true,"airmass":37.09,"alt":0.06,"az":332.5,"t":"2047-08-16T10:55:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-0.37,"az":333.3,"t":"2047-08-16T11:00:00Z","terrain":-0.16},{"above_terrain":false,"airmass":null,"alt":-0.78,"az":334.2,"t":"2047-08-16T11:05:00Z","terrain":-0.29},{"above_terrain":false,"airmass":null,"alt":-1.18,"az":335.0,"t":"2047-08-16T11:10:00Z","terrain":-0.6},{"above_terrain":false,"airmass":null,"alt":-1.57,"az":335.9,"t":"2047-08-16T11:15:00Z","terrain":-0.8},{"above_terrain":false,"airmass":null,"alt":-1.95,"az":336.7,"t":"2047-08-16T11:20:00Z","terrain":-0.76},{"above_terrain":false,"airmass":null,"alt":-2.31,"az":337.6,"t":"2047-08-16T11:25:00Z","terrain":-0.57},{"above_terrain":false,"airmass":null,"alt":-2.66,"az":338.5,"t":"2047-08-16T11:30:00Z","terrain":-0.6},{"above_terrain":false,"airmass":null,"alt":-3.0,"az":339.4,"t":"2047-08-16T11:35:00Z","terrain":-0.67},{"above_terrain":false,"airmass":null,"alt":-3.32,"az":340.2,"t":"2047-08-16T11:40:00Z","terrain":-0.51},{"above_terrain":false,"airmass":null,"alt":-3.63,"az":341.1,"t":"2047-08-16T11:45:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-3.93,"az":342.0,"t":"2047-08-16T11:50:00Z","terrain":-0.49},{"above_terrain":false,"airmass":null,"alt":-4.21,"az":342.9,"t":"2047-08-16T11:55:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-4.48,"az":343.8,"t":"2047-08-16T12:00:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-4.73,"az":344.7,"t":"2047-08-16T12:05:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-4.97,"az":345.6,"t":"2047-08-16T12:10:00Z","terrain":-0.49},{"above_terrain":false,"airmass":null,"alt":-5.2,"az":346.5,"t":"2047-08-16T12:15:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-5.41,"az":347.5,"t":"2047-08-16T12:20:00Z","terrain":-0.29},{"above_terrain":false,"airmass":null,"alt":-5.6,"az":348.4,"t":"2047-08-16T12:25:00Z","terrain":-0.09},{"above_terrain":false,"airmass":null,"alt":-5.78,"az":349.3,"t":"2047-08-16T12:30:00Z","terrain":0.04},{"above_terrain":false,"airmass":null,"alt":-5.95,"az":350.2,"t":"2047-08-16T12:35:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-6.1,"az":351.2,"t":"2047-08-16T12:40:00Z","terrain":0.16},{"above_terrain":false,"airmass":null,"alt":-6.24,"az":352.1,"t":"2047-08-16T12:45:00Z","terrain":0.29},{"above_terrain":false,"airmass":null,"alt":-6.36,"az":353.0,"t":"2047-08-16T12:50:00Z","terrain":0.5},{"above_terrain":false,"airmass":null,"alt":-6.46,"az":354.0,"t":"2047-08-16T12:55:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-6.55,"az":354.9,"t":"2047-08-16T13:00:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-6.63,"az":355.9,"t":"2047-08-16T13:05:00Z","terrain":0.73},{"above_terrain":false,"airmass":null,"alt":-6.69,"az":356.8,"t":"2047-08-16T13:10:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-6.73,"az":357.7,"t":"2047-08-16T13:15:00Z","terrain":0.65},{"above_terrain":false,"airmass":null,"alt":-6.76,"az":358.7,"t":"2047-08-16T13:20:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-6.78,"az":359.6,"t":"2047-08-16T13:25:00Z","terrain":0.54},{"above_terrain":false,"airmass":null,"alt":-6.78,"az":0.6,"t":"2047-08-16T13:30:00Z","terrain":0.42},{"above_terrain":false,"airmass":null,"alt":-6.76,"az":1.5,"t":"2047-08-16T13:35:00Z","terrain":0.24},{"above_terrain":false,"airmass":null,"alt":-6.73,"az":2.5,"t":"2047-08-16T13:40:00Z","terrain":0.0},{"above_terrain":false,"airmass":null,"alt":-6.68,"az":3.4,"t":"2047-08-16T13:45:00Z","terrain":-0.19},{"above_terrain":false,"airmass":null,"alt":-6.61,"az":4.4,"t":"2047-08-16T13:50:00Z","terrain":-0.33},{"above_terrain":false,"airmass":null,"alt":-6.53,"az":5.3,"t":"2047-08-16T13:55:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-6.44,"az":6.2,"t":"2047-08-16T14:00:00Z","terrain":-0.55},{"above_terrain":false,"airmass":null,"alt":-6.33,"az":7.2,"t":"2047-08-16T14:05:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-6.21,"az":8.1,"t":"2047-08-16T14:10:00Z","terrain":-0.44},{"above_terrain":false,"airmass":null,"alt":-6.07,"az":9.0,"t":"2047-08-16T14:15:00Z","terrain":-0.66},{"above_terrain":false,"airmass":null,"alt":-5.91,"az":10.0,"t":"2047-08-16T14:20:00Z","terrain":-0.6},{"above_terrain":false,"airmass":null,"alt":-5.74,"az":10.9,"t":"2047-08-16T14:25:00Z","terrain":-0.42},{"above_terrain":false,"airmass":null,"alt":-5.56,"az":11.8,"t":"2047-08-16T14:30:00Z","terrain":-0.22},{"above_terrain":false,"airmass":null,"alt":-5.36,"az":12.7,"t":"2047-08-16T14:35:00Z","terrain":-0.1},{"above_terrain":false,"airmass":null,"alt":-5.15,"az":13.7,"t":"2047-08-16T14:40:00Z","terrain":0.04},{"above_terrain":false,"airmass":null,"alt":-4.92,"az":14.6,"t":"2047-08-16T14:45:00Z","terrain":0.28},{"above_terrain":false,"airmass":null,"alt":-4.67,"az":15.5,"t":"2047-08-16T14:50:00Z","terrain":0.45},{"above_terrain":false,"airmass":null,"alt":-4.42,"az":16.4,"t":"2047-08-16T14:55:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-4.15,"az":17.3,"t":"2047-08-16T15:00:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-3.86,"az":18.2,"t":"2047-08-16T15:05:00Z","terrain":0.55},{"above_terrain":false,"airmass":null,"alt":-3.56,"az":19.1,"t":"2047-08-16T15:10:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-3.25,"az":20.0,"t":"2047-08-16T15:15:00Z","terrain":0.67},{"above_terrain":false,"airmass":null,"alt":-2.92,"az":20.8,"t":"2047-08-16T15:20:00Z","terrain":0.69},{"above_terrain":false,"airmass":null,"alt":-2.58,"az":21.7,"t":"2047-08-16T15:25:00Z","terrain":0.91},{"above_terrain":false,"airmass":null,"alt":-2.23,"az":22.6,"t":"2047-08-16T15:30:00Z","terrain":1.09},{"above_terrain":false,"airmass":null,"alt":-1.86,"az":23.5,"t":"2047-08-16T15:35:00Z","terrain":1.05},{"above_terrain":false,"airmass":null,"alt":-1.48,"az":24.3,"t":"2047-08-16T15:40:00Z","terrain":1.02},{"above_terrain":false,"airmass":null,"alt":-1.09,"az":25.2,"t":"2047-08-16T15:45:00Z","terrain":1.24},{"above_terrain":false,"airmass":null,"alt":-0.69,"az":26.0,"t":"2047-08-16T15:50:00Z","terrain":1.34},{"above_terrain":false,"airmass":null,"alt":-0.27,"az":26.9,"t":"2047-08-16T15:55:00Z","terrain":1.29},{"above_terrain":false,"airmass":35.67,"alt":0.16,"az":27.7,"t":"2047-08-16T16:00:00Z","terrain":1.22},{"above_terrain":false,"airmass":30.25,"alt":0.6,"az":28.5,"t":"2047-08-16T16:05:00Z","terrain":1.09},{"above_terrain":false,"airmass":25.87,"alt":1.05,"az":29.3,"t":"2047-08-16T16:10:00Z","terrain":1.05},{"above_terrain":true,"airmass":22.34,"alt":1.52,"az":30.2,"t":"2047-08-16T16:15:00Z","terrain":1.18},{"above_terrain":true,"airmass":19.48,"alt":1.99,"az":31.0,"t":"2047-08-16T16:20:00Z","terrain":1.3},{"above_terrain":true,"airmass":17.15,"alt":2.48,"az":31.8,"t":"2047-08-16T16:25:00Z","terrain":1.33},{"above_terrain":true,"airmass":15.23,"alt":2.98,"az":32.6,"t":"2047-08-16T16:30:00Z","terrain":1.14},{"above_terrain":true,"airmass":13.63,"alt":3.49,"az":33.4,"t":"2047-08-16T16:35:00Z","terrain":0.79},{"above_terrain":true,"airmass":12.29,"alt":4.01,"az":34.1,"t":"2047-08-16T16:40:00Z","terrain":0.38},{"above_terrain":true,"airmass":11.15,"alt":4.54,"az":34.9,"t":"2047-08-16T16:45:00Z","terrain":0.08},{"above_terrain":true,"airmass":10.18,"alt":5.08,"az":35.7,"t":"2047-08-16T16:50:00Z","terrain":0.04},{"above_terrain":true,"airmass":9.34,"alt":5.63,"az":36.4,"t":"2047-08-16T16:55:00Z","terrain":-0.02},{"above_terrain":true,"airmass":8.61,"alt":6.19,"az":37.2,"t":"2047-08-16T17:00:00Z","terrain":-0.11},{"above_terrain":true,"airmass":7.97,"alt":6.76,"az":38.0,"t":"2047-08-16T17:05:00Z","terrain":-0.2},{"above_terrain":true,"airmass":7.41,"alt":7.34,"az":38.7,"t":"2047-08-16T17:10:00Z","terrain":-0.18},{"above_terrain":true,"airmass":6.91,"alt":7.93,"az":39.4,"t":"2047-08-16T17:15:00Z","terrain":-0.11},{"above_terrain":true,"airmass":6.47,"alt":8.53,"az":40.2,"t":"2047-08-16T17:20:00Z","terrain":-0.04},{"above_terrain":true,"airmass":6.07,"alt":9.14,"az":40.9,"t":"2047-08-16T17:25:00Z","terrain":0.01},{"above_terrain":true,"airmass":5.72,"alt":9.75,"az":41.6,"t":"2047-08-16T17:30:00Z","terrain":0.08},{"above_terrain":true,"airmass":5.4,"alt":10.38,"az":42.3,"t":"2047-08-16T17:35:00Z","terrain":0.16},{"above_terrain":true,"airmass":5.1,"alt":11.01,"az":43.0,"t":"2047-08-16T17:40:00Z","terrain":0.25},{"above_terrain":true,"airmass":4.84,"alt":11.66,"az":43.7,"t":"2047-08-16T17:45:00Z","terrain":0.36},{"above_terrain":true,"airmass":4.6,"alt":12.31,"az":44.4,"t":"2047-08-16T17:50:00Z","terrain":0.48},{"above_terrain":true,"airmass":4.38,"alt":12.97,"az":45.1,"t":"2047-08-16T17:55:00Z","terrain":0.59},{"above_terrain":true,"airmass":4.17,"alt":13.63,"az":45.8,"t":"2047-08-16T18:00:00Z","terrain":0.65},{"above_terrain":true,"airmass":3.99,"alt":14.31,"az":46.4,"t":"2047-08-16T18:05:00Z","terrain":0.64},{"above_terrain":true,"airmass":3.82,"alt":14.99,"az":47.1,"t":"2047-08-16T18:10:00Z","terrain":0.6},{"above_terrain":true,"airmass":3.66,"alt":15.68,"az":47.8,"t":"2047-08-16T18:15:00Z","terrain":0.55},{"above_terrain":true,"airmass":3.51,"alt":16.38,"az":48.4,"t":"2047-08-16T18:20:00Z","terrain":0.48},{"above_terrain":true,"airmass":3.37,"alt":17.08,"az":49.1,"t":"2047-08-16T18:25:00Z","terrain":0.41},{"above_terrain":true,"airmass":3.24,"alt":17.79,"az":49.7,"t":"2047-08-16T18:30:00Z","terrain":0.4},{"above_terrain":true,"airmass":3.12,"alt":18.51,"az":50.3,"t":"2047-08-16T18:35:00Z","terrain":0.45},{"above_terrain":true,"airmass":3.01,"alt":19.23,"az":51.0,"t":"2047-08-16T18:40:00Z","terrain":0.53},{"above_terrain":true,"airmass":2.91,"alt":19.96,"az":51.6,"t":"2047-08-16T18:45:00Z","terrain":0.59},{"above_terrain":true,"airmass":2.81,"alt":20.7,"az":52.2,"t":"2047-08-16T18:50:00Z","terrain":0.68},{"above_terrain":true,"airmass":2.72,"alt":21.44,"az":52.8,"t":"2047-08-16T18:55:00Z","terrain":0.81},{"above_terrain":true,"airmass":2.63,"alt":22.19,"az":53.4,"t":"2047-08-16T19:00:00Z","terrain":0.91},{"above_terrain":true,"airmass":2.55,"alt":22.95,"az":54.1,"t":"2047-08-16T19:05:00Z","terrain":1.0},{"above_terrain":true,"airmass":2.48,"alt":23.71,"az":54.6,"t":"2047-08-16T19:10:00Z","terrain":1.05},{"above_terrain":true,"airmass":2.4,"alt":24.47,"az":55.2,"t":"2047-08-16T19:15:00Z","terrain":1.07},{"above_terrain":true,"airmass":2.33,"alt":25.24,"az":55.8,"t":"2047-08-16T19:20:00Z","terrain":1.06},{"above_terrain":true,"airmass":2.27,"alt":26.02,"az":56.4,"t":"2047-08-16T19:25:00Z","terrain":1.06},{"above_terrain":true,"airmass":2.21,"alt":26.8,"az":57.0,"t":"2047-08-16T19:30:00Z","terrain":1.07},{"above_terrain":true,"airmass":2.15,"alt":27.59,"az":57.6,"t":"2047-08-16T19:35:00Z","terrain":1.17},{"above_terrain":true,"airmass":2.1,"alt":28.38,"az":58.1,"t":"2047-08-16T19:40:00Z","terrain":1.24},{"above_terrain":true,"airmass":2.04,"alt":29.18,"az":58.7,"t":"2047-08-16T19:45:00Z","terrain":1.22},{"above_terrain":true,"airmass":2.0,"alt":29.98,"az":59.3,"t":"2047-08-16T19:50:00Z","terrain":1.2},{"above_terrain":true,"airmass":1.95,"alt":30.79,"az":59.8,"t":"2047-08-16T19:55:00Z","terrain":1.18},{"above_terrain":true,"airmass":1.9,"alt":31.6,"az":60.4,"t":"2047-08-16T20:00:00Z","terrain":1.14},{"above_terrain":true,"airmass":1.86,"alt":32.42,"az":60.9,"t":"2047-08-16T20:05:00Z","terrain":1.1},{"above_terrain":true,"airmass":1.82,"alt":33.24,"az":61.5,"t":"2047-08-16T20:10:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.78,"alt":34.06,"az":62.0,"t":"2047-08-16T20:15:00Z","terrain":1.01},{"above_terrain":true,"airmass":1.74,"alt":34.89,"az":62.5,"t":"2047-08-16T20:20:00Z","terrain":0.96},{"above_terrain":true,"airmass":1.71,"alt":35.72,"az":63.1,"t":"2047-08-16T20:25:00Z","terrain":0.9},{"above_terrain":true,"airmass":1.68,"alt":36.56,"az":63.6,"t":"2047-08-16T20:30:00Z","terrain":0.83},{"above_terrain":true,"airmass":1.64,"alt":37.4,"az":64.1,"t":"2047-08-16T20:35:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.61,"alt":38.24,"az":64.6,"t":"2047-08-16T20:40:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.58,"alt":39.09,"az":65.1,"t":"2047-08-16T20:45:00Z","terrain":0.78},{"above_terrain":true,"airmass":1.56,"alt":39.94,"az":65.7,"t":"2047-08-16T20:50:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.53,"alt":40.79,"az":66.2,"t":"2047-08-16T20:55:00Z","terrain":0.85},{"above_terrain":true,"airmass":1.5,"alt":41.65,"az":66.7,"t":"2047-08-16T21:00:00Z","terrain":0.9},{"above_terrain":true,"airmass":1.48,"alt":42.51,"az":67.2,"t":"2047-08-16T21:05:00Z","terrain":0.94},{"above_terrain":true,"airmass":1.45,"alt":43.38,"az":67.7,"t":"2047-08-16T21:10:00Z","terrain":0.97},{"above_terrain":true,"airmass":1.43,"alt":44.24,"az":68.2,"t":"2047-08-16T21:15:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.41,"alt":45.12,"az":68.7,"t":"2047-08-16T21:20:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.39,"alt":45.99,"az":69.2,"t":"2047-08-16T21:25:00Z","terrain":1.08},{"above_terrain":true,"airmass":1.37,"alt":46.86,"az":69.6,"t":"2047-08-16T21:30:00Z","terrain":1.16},{"above_terrain":true,"airmass":1.35,"alt":47.74,"az":70.1,"t":"2047-08-16T21:35:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.33,"alt":48.62,"az":70.6,"t":"2047-08-16T21:40:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.31,"alt":49.51,"az":71.1,"t":"2047-08-16T21:45:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.3,"alt":50.4,"az":71.6,"t":"2047-08-16T21:50:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.28,"alt":51.28,"az":72.0,"t":"2047-08-16T21:55:00Z","terrain":1.19},{"above_terrain":true,"airmass":1.26,"alt":52.18,"az":72.5,"t":"2047-08-16T22:00:00Z","terrain":1.09},{"above_terrain":true,"airmass":1.25,"alt":53.07,"az":73.0,"t":"2047-08-16T22:05:00Z","terrain":0.99},{"above_terrain":true,"airmass":1.24,"alt":53.97,"az":73.5,"t":"2047-08-16T22:10:00Z","terrain":0.87},{"above_terrain":true,"airmass":1.22,"alt":54.86,"az":73.9,"t":"2047-08-16T22:15:00Z","terrain":0.75},{"above_terrain":true,"airmass":1.21,"alt":55.76,"az":74.4,"t":"2047-08-16T22:20:00Z","terrain":0.69},{"above_terrain":true,"airmass":1.2,"alt":56.67,"az":74.8,"t":"2047-08-16T22:25:00Z","terrain":0.65},{"above_terrain":true,"airmass":1.18,"alt":57.57,"az":75.3,"t":"2047-08-16T22:30:00Z","terrain":0.66},{"above_terrain":true,"airmass":1.17,"alt":58.48,"az":75.8,"t":"2047-08-16T22:35:00Z","terrain":0.7},{"above_terrain":true,"airmass":1.16,"alt":59.39,"az":76.2,"t":"2047-08-16T22:40:00Z","terrain":0.72},{"above_terrain":true,"airmass":1.15,"alt":60.3,"az":76.7,"t":"2047-08-16T22:45:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.14,"alt":61.21,"az":77.1,"t":"2047-08-16T22:50:00Z","terrain":0.69},{"above_terrain":true,"airmass":1.13,"alt":62.12,"az":77.6,"t":"2047-08-16T22:55:00Z","terrain":0.66},{"above_terrain":true,"airmass":1.12,"alt":63.04,"az":78.0,"t":"2047-08-16T23:00:00Z","terrain":0.63},{"above_terrain":true,"airmass":1.11,"alt":63.95,"az":78.5,"t":"2047-08-16T23:05:00Z","terrain":0.6},{"above_terrain":true,"airmass":1.1,"alt":64.87,"az":78.9,"t":"2047-08-16T23:10:00Z","terrain":0.57},{"above_terrain":true,"airmass":1.1,"alt":65.79,"az":79.4,"t":"2047-08-16T23:15:00Z","terrain":0.53},{"above_terrain":true,"airmass":1.09,"alt":66.71,"az":79.8,"t":"2047-08-16T23:20:00Z","terrain":0.48},{"above_terrain":true,"airmass":1.08,"alt":67.63,"az":80.3,"t":"2047-08-16T23:25:00Z","terrain":0.52},{"above_terrain":true,"airmass":1.07,"alt":68.55,"az":80.7,"t":"2047-08-16T23:30:00Z","terrain":0.62},{"above_terrain":true,"airmass":1.07,"alt":69.48,"az":81.2,"t":"2047-08-16T23:35:00Z","terrain":0.7},{"above_terrain":true,"airmass":1.06,"alt":70.4,"az":81.6,"t":"2047-08-16T23:40:00Z","terrain":0.76},{"above_terrain":true,"airmass":1.06,"alt":71.33,"az":82.1,"t":"2047-08-16T23:45:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.05,"alt":72.26,"az":82.6,"t":"2047-08-16T23:50:00Z","terrain":0.62},{"above_terrain":true,"airmass":1.04,"alt":73.19,"az":83.0,"t":"2047-08-16T23:55:00Z","terrain":0.47},{"above_terrain":true,"airmass":1.04,"alt":74.12,"az":83.5,"t":"2047-08-17T00:00:00Z","terrain":0.43},{"above_terrain":true,"airmass":1.03,"alt":75.05,"az":83.9,"t":"2047-08-17T00:05:00Z","terrain":0.39},{"above_terrain":true,"airmass":1.03,"alt":75.98,"az":84.4,"t":"2047-08-17T00:10:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.03,"alt":76.91,"az":84.9,"t":"2047-08-17T00:15:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.02,"alt":77.84,"az":85.3,"t":"2047-08-17T00:20:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.02,"alt":78.78,"az":85.8,"t":"2047-08-17T00:25:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.02,"alt":79.71,"az":86.3,"t":"2047-08-17T00:30:00Z","terrain":0.14},{"above_terrain":true,"airmass":1.01,"alt":80.64,"az":86.8,"t":"2047-08-17T00:35:00Z","terrain":0.09},{"above_terrain":true,"airmass":1.01,"alt":81.58,"az":87.4,"t":"2047-08-17T00:40:00Z","terrain":0.02},{"above_terrain":true,"airmass":1.01,"alt":82.51,"az":87.9,"t":"2047-08-17T00:45:00Z","terrain":-0.06},{"above_terrain":true,"airmass":1.01,"alt":83.45,"az":88.5,"t":"2047-08-17T00:50:00Z","terrain":-0.14},{"above_terrain":true,"airmass":1.0,"alt":84.39,"az":89.2,"t":"2047-08-17T00:55:00Z","terrain":-0.2},{"above_terrain":true,"airmass":1.0,"alt":85.32,"az":89.9,"t":"2047-08-17T01:00:00Z","terrain":-0.22},{"above_terrain":true,"airmass":1.0,"alt":86.26,"az":90.8,"t":"2047-08-17T01:05:00Z","terrain":-0.11},{"above_terrain":true,"airmass":1.0,"alt":87.19,"az":92.1,"t":"2047-08-17T01:10:00Z","terrain":0.12},{"above_terrain":true,"airmass":1.0,"alt":88.13,"az":94.2,"t":"2047-08-17T01:15:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.0,"alt":89.06,"az":99.6,"t":"2047-08-17T01:20:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.0,"alt":89.84,"az":183.0,"t":"2047-08-17T01:25:00Z","terrain":-0.61},{"above_terrain":true,"airmass":1.0,"alt":89.04,"az":260.6,"t":"2047-08-17T01:30:00Z","terrain":0.72},{"above_terrain":true,"airmass":1.0,"alt":88.11,"az":265.9,"t":"2047-08-17T01:35:00Z","terrain":0.46},{"above_terrain":true,"airmass":1.0,"alt":87.18,"az":267.9,"t":"2047-08-17T01:40:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.0,"alt":86.24,"az":269.2,"t":"2047-08-17T01:45:00Z","terrain":0.78},{"above_terrain":true,"airmass":1.0,"alt":85.3,"az":270.1,"t":"2047-08-17T01:50:00Z","terrain":0.89},{"above_terrain":true,"airmass":1.0,"alt":84.37,"az":270.8,"t":"2047-08-17T01:55:00Z","terrain":0.8},{"above_terrain":true,"airmass":1.01,"alt":83.43,"az":271.5,"t":"2047-08-17T02:00:00Z","terrain":0.6},{"above_terrain":true,"airmass":1.01,"alt":82.5,"az":272.1,"t":"2047-08-17T02:05:00Z","terrain":0.39},{"above_terrain":true,"airmass":1.01,"alt":81.56,"az":272.6,"t":"2047-08-17T02:10:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.01,"alt":80.63,"az":273.2,"t":"2047-08-17T02:15:00Z","terrain":0.11},{"above_terrain":true,"airmass":1.02,"alt":79.69,"az":273.7,"t":"2047-08-17T02:20:00Z","terrain":0.02},{"above_terrain":true,"airmass":1.02,"alt":78.76,"az":274.2,"t":"2047-08-17T02:25:00Z","terrain":-0.01},{"above_terrain":true,"airmass":1.02,"alt":77.83,"az":274.7,"t":"2047-08-17T02:30:00Z","terrain":0.05},{"above_terrain":true,"airmass":1.03,"alt":76.89,"az":275.1,"t":"2047-08-17T02:35:00Z","terrain":0.08},{"above_terrain":true,"airmass":1.03,"alt":75.96,"az":275.6,"t":"2047-08-17T02:40:00Z","terrain":0.03},{"above_terrain":true,"airmass":1.03,"alt":75.03,"az":276.1,"t":"2047-08-17T02:45:00Z","terrain":-0.02},{"above_terrain":true,"airmass":1.04,"alt":74.1,"az":276.5,"t":"2047-08-17T02:50:00Z","terrain":-0.08},{"above_terrain":true,"airmass":1.04,"alt":73.17,"az":277.0,"t":"2047-08-17T02:55:00Z","terrain":-0.14},{"above_terrain":true,"airmass":1.05,"alt":72.24,"az":277.5,"t":"2047-08-17T03:00:00Z","terrain":-0.11},{"above_terrain":true,"airmass":1.06,"alt":71.31,"az":277.9,"t":"2047-08-17T03:05:00Z","terrain":-0.09},{"above_terrain":true,"airmass":1.06,"alt":70.39,"az":278.4,"t":"2047-08-17T03:10:00Z","terrain":-0.06},{"above_terrain":true,"airmass":1.07,"alt":69.46,"az":278.8,"t":"2047-08-17T03:15:00Z","terrain":-0.03},{"above_terrain":true,"airmass":1.07,"alt":68.54,"az":279.3,"t":"2047-08-17T03:20:00Z","terrain":-0.05},{"above_terrain":true,"airmass":1.08,"alt":67.62,"az":279.7,"t":"2047-08-17T03:25:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.09,"alt":66.69,"az":280.2,"t":"2047-08-17T03:30:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.1,"alt":65.77,"az":280.6,"t":"2047-08-17T03:35:00Z","terrain":-0.03},{"above_terrain":true,"airmass":1.1,"alt":64.85,"az":281.1,"t":"2047-08-17T03:40:00Z","terrain":0.02},{"above_terrain":true,"airmass":1.11,"alt":63.94,"az":281.5,"t":"2047-08-17T03:45:00Z","terrain":-0.05},{"above_terrain":true,"airmass":1.12,"alt":63.02,"az":282.0,"t":"2047-08-17T03:50:00Z","terrain":-0.12},{"above_terrain":true,"airmass":1.13,"alt":62.1,"az":282.4,"t":"2047-08-17T03:55:00Z","terrain":-0.08},{"above_terrain":true,"airmass":1.14,"alt":61.19,"az":282.9,"t":"2047-08-17T04:00:00Z","terrain":-0.02},{"above_terrain":true,"airmass":1.15,"alt":60.28,"az":283.3,"t":"2047-08-17T04:05:00Z","terrain":0.03},{"above_terrain":true,"airmass":1.16,"alt":59.37,"az":283.8,"t":"2047-08-17T04:10:00Z","terrain":0.09},{"above_terrain":true,"airmass":1.17,"alt":58.46,"az":284.2,"t":"2047-08-17T04:15:00Z","terrain":0.15},{"above_terrain":true,"airmass":1.18,"alt":57.56,"az":284.7,"t":"2047-08-17T04:20:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.2,"alt":56.65,"az":285.2,"t":"2047-08-17T04:25:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.21,"alt":55.75,"az":285.6,"t":"2047-08-17T04:30:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.22,"alt":54.85,"az":286.1,"t":"2047-08-17T04:35:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.24,"alt":53.95,"az":286.6,"t":"2047-08-17T04:40:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.25,"alt":53.05,"az":287.0,"t":"2047-08-17T04:45:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.27,"alt":52.16,"az":287.5,"t":"2047-08-17T04:50:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.28,"alt":51.27,"az":288.0,"t":"2047-08-17T04:55:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.3,"alt":50.38,"az":288.4,"t":"2047-08-17T05:00:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.31,"alt":49.49,"az":288.9,"t":"2047-08-17T05:05:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.33,"alt":48.61,"az":289.4,"t":"2047-08-17T05:10:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.35,"alt":47.73,"az":289.9,"t":"2047-08-17T05:15:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.37,"alt":46.85,"az":290.4,"t":"2047-08-17T05:20:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.39,"alt":45.97,"az":290.9,"t":"2047-08-17T05:25:00Z","terrain":0.46},{"above_terrain":true,"airmass":1.41,"alt":45.1,"az":291.3,"t":"2047-08-17T05:30:00Z","terrain":0.51},{"above_terrain":true,"airmass":1.43,"alt":44.23,"az":291.8,"t":"2047-08-17T05:35:00Z","terrain":0.54},{"above_terrain":true,"airmass":1.45,"alt":43.36,"az":292.3,"t":"2047-08-17T05:40:00Z","terrain":0.46},{"above_terrain":true,"airmass":1.48,"alt":42.5,"az":292.8,"t":"2047-08-17T05:45:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.5,"alt":41.64,"az":293.3,"t":"2047-08-17T05:50:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.53,"alt":40.78,"az":293.8,"t":"2047-08-17T05:55:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.56,"alt":39.92,"az":294.4,"t":"2047-08-17T06:00:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.58,"alt":39.07,"az":294.9,"t":"2047-08-17T06:05:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.61,"alt":38.23,"az":295.4,"t":"2047-08-17T06:10:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.64,"alt":37.38,"az":295.9,"t":"2047-08-17T06:15:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.68,"alt":36.54,"az":296.4,"t":"2047-08-17T06:20:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.71,"alt":35.71,"az":296.9,"t":"2047-08-17T06:25:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.75,"alt":34.87,"az":297.5,"t":"2047-08-17T06:30:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.78,"alt":34.05,"az":298.0,"t":"2047-08-17T06:35:00Z","terrain":0.12},{"above_terrain":true,"airmass":1.82,"alt":33.22,"az":298.6,"t":"2047-08-17T06:40:00Z","terrain":0.15},{"above_terrain":true,"airmass":1.86,"alt":32.4,"az":299.1,"t":"2047-08-17T06:45:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.9,"alt":31.59,"az":299.6,"t":"2047-08-17T06:50:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.95,"alt":30.77,"az":300.2,"t":"2047-08-17T06:55:00Z","terrain":0.36},{"above_terrain":true,"airmass":2.0,"alt":29.97,"az":300.8,"t":"2047-08-17T07:00:00Z","terrain":0.33},{"above_terrain":true,"airmass":2.05,"alt":29.17,"az":301.3,"t":"2047-08-17T07:05:00Z","terrain":0.25},{"above_terrain":true,"airmass":2.1,"alt":28.37,"az":301.9,"t":"2047-08-17T07:10:00Z","terrain":0.11},{"above_terrain":true,"airmass":2.15,"alt":27.58,"az":302.4,"t":"2047-08-17T07:15:00Z","terrain":-0.06},{"above_terrain":true,"airmass":2.21,"alt":26.79,"az":303.0,"t":"2047-08-17T07:20:00Z","terrain":-0.23},{"above_terrain":true,"airmass":2.27,"alt":26.01,"az":303.6,"t":"2047-08-17T07:25:00Z","terrain":-0.15},{"above_terrain":true,"airmass":2.34,"alt":25.23,"az":304.2,"t":"2047-08-17T07:30:00Z","terrain":-0.13},{"above_terrain":true,"airmass":2.4,"alt":24.46,"az":304.8,"t":"2047-08-17T07:35:00Z","terrain":-0.25},{"above_terrain":true,"airmass":2.48,"alt":23.69,"az":305.4,"t":"2047-08-17T07:40:00Z","terrain":-0.25},{"above_terrain":true,"airmass":2.55,"alt":22.93,"az":306.0,"t":"2047-08-17T07:45:00Z","terrain":-0.17},{"above_terrain":true,"airmass":2.63,"alt":22.18,"az":306.6,"t":"2047-08-17T07:50:00Z","terrain":0.03},{"above_terrain":true,"airmass":2.72,"alt":21.43,"az":307.2,"t":"2047-08-17T07:55:00Z","terrain":0.2},{"above_terrain":true,"airmass":2.81,"alt":20.69,"az":307.8,"t":"2047-08-17T08:00:00Z","terrain":0.29},{"above_terrain":true,"airmass":2.91,"alt":19.95,"az":308.4,"t":"2047-08-17T08:05:00Z","terrain":0.26},{"above_terrain":true,"airmass":3.01,"alt":19.22,"az":309.0,"t":"2047-08-17T08:10:00Z","terrain":0.17},{"above_terrain":true,"airmass":3.13,"alt":18.49,"az":309.7,"t":"2047-08-17T08:15:00Z","terrain":0.2},{"above_terrain":true,"airmass":3.25,"alt":17.78,"az":310.3,"t":"2047-08-17T08:20:00Z","terrain":0.26},{"above_terrain":true,"airmass":3.37,"alt":17.07,"az":310.9,"t":"2047-08-17T08:25:00Z","terrain":0.35},{"above_terrain":true,"airmass":3.51,"alt":16.36,"az":311.6,"t":"2047-08-17T08:30:00Z","terrain":0.23},{"above_terrain":true,"airmass":3.66,"alt":15.67,"az":312.2,"t":"2047-08-17T08:35:00Z","terrain":0.17},{"above_terrain":true,"airmass":3.82,"alt":14.98,"az":312.9,"t":"2047-08-17T08:40:00Z","terrain":0.26},{"above_terrain":true,"airmass":3.99,"alt":14.3,"az":313.6,"t":"2047-08-17T08:45:00Z","terrain":0.38},{"above_terrain":true,"airmass":4.18,"alt":13.62,"az":314.2,"t":"2047-08-17T08:50:00Z","terrain":0.49},{"above_terrain":true,"airmass":4.38,"alt":12.96,"az":314.9,"t":"2047-08-17T08:55:00Z","terrain":0.55},{"above_terrain":true,"airmass":4.6,"alt":12.3,"az":315.6,"t":"2047-08-17T09:00:00Z","terrain":0.51}],"transit":{"airmass":1.0,"alt":89.8,"az":183.0,"t":"2047-08-17T01:25:00Z"},"usable_hours":6.75,"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."]}