{"assessment":{"best_window":{"end":"2031-09-09T02:20Z","end_local":"05:20","hours":8.0,"label":"good","mean_quality":0.83,"start":"2031-09-08T18:20Z","start_local":"21:20"},"cost":{"altitude":0.44,"clouds":0.0,"darkness":1.55,"moon":1.14},"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":18,"cloud":null,"high":null,"iso":"2031-09-08T17:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-28,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"20:00","wind":null},{"alt":27,"cloud":null,"high":null,"iso":"2031-09-08T18:00Z","label":"marginal","low":null,"mid":null,"moon_alt":-24,"precip":null,"q":0.34,"rh":null,"sky":"astronomical twilight","temp":null,"time":"21:00","wind":null},{"alt":37,"cloud":null,"high":null,"iso":"2031-09-08T19:00Z","label":"good","low":null,"mid":null,"moon_alt":-18,"precip":null,"q":0.84,"rh":null,"sky":"night","temp":null,"time":"22:00","wind":null},{"alt":47,"cloud":null,"high":null,"iso":"2031-09-08T20:00Z","label":"good","low":null,"mid":null,"moon_alt":-10,"precip":null,"q":0.91,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":58,"cloud":null,"high":null,"iso":"2031-09-08T21:00Z","label":"good","low":null,"mid":null,"moon_alt":-1,"precip":null,"q":0.98,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":69,"cloud":null,"high":null,"iso":"2031-09-08T22:00Z","label":"good","low":null,"mid":null,"moon_alt":9,"precip":null,"q":0.84,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":80,"cloud":null,"high":null,"iso":"2031-09-08T23:00Z","label":"good","low":null,"mid":null,"moon_alt":19,"precip":null,"q":0.81,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":89,"cloud":null,"high":null,"iso":"2031-09-09T00:00Z","label":"good","low":null,"mid":null,"moon_alt":30,"precip":null,"q":0.79,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":78,"cloud":null,"high":null,"iso":"2031-09-09T01:00Z","label":"good","low":null,"mid":null,"moon_alt":41,"precip":null,"q":0.77,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":67,"cloud":null,"high":null,"iso":"2031-09-09T02:00Z","label":"good","low":null,"mid":null,"moon_alt":52,"precip":null,"q":0.75,"rh":null,"sky":"night","temp":null,"time":"05:00","wind":null},{"alt":56,"cloud":null,"high":null,"iso":"2031-09-09T03:00Z","label":"poor","low":null,"mid":null,"moon_alt":61,"precip":null,"q":0.11,"rh":null,"sky":"nautical twilight","temp":null,"time":"06:00","wind":null}],"peak_quality":0.99,"peak_sky":0.99,"quality_hours":7.17,"reasons":["daylight and twilight cost 1.5 quality-hours","moonlight cost 1.1 quality-hours","the target being low or below 20\u00b0 cost 0.4 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":99,"score_weather":null,"sky_hours":7.17,"verdict":"unknown","verdict_astronomy":"good","weather_known":false,"windows":[{"end":"2031-09-08T17:15Z","end_local":"20:15","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2031-09-08T16:40Z","start_local":"19:40"},{"end":"2031-09-08T17:50Z","end_local":"20:50","hours":0.58,"label":"poor","mean_quality":0.1,"start":"2031-09-08T17:15Z","start_local":"20:15"},{"end":"2031-09-08T18:20Z","end_local":"21:20","hours":0.5,"label":"marginal","mean_quality":0.35,"start":"2031-09-08T17:50Z","start_local":"20:50"},{"end":"2031-09-09T02:20Z","end_local":"05:20","hours":8.0,"label":"good","mean_quality":0.83,"start":"2031-09-08T18:20Z","start_local":"21:20"},{"end":"2031-09-09T02:55Z","end_local":"05:55","hours":0.58,"label":"marginal","mean_quality":0.37,"start":"2031-09-09T02:20Z","start_local":"05:20"},{"end":"2031-09-09T03:30Z","end_local":"06:30","hours":0.58,"label":"poor","mean_quality":0.11,"start":"2031-09-09T02:55Z","start_local":"05:55"},{"end":"2031-09-09T03:55Z","end_local":"06:55","hours":0.42,"label":"unusable","mean_quality":0.0,"start":"2031-09-09T03:30Z","start_local":"06:30"}]},"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":"2031-09-08T18:19:21Z","dark_hours":7.99,"dark_to":"2031-09-09T02:18:30Z","moon":{"illumination":0.476,"phase":"last quarter","waxing":false},"moon_free_dark_hours":2.8,"moonrise":"2031-09-08T21:08:05Z","moonset":"2031-09-08T11:11:29Z","sunrise":"2031-09-09T03:54:44Z","sunset":"2031-09-08T16:43:12Z","twilight":{"astronomical":{"end":"2031-09-08T18:19:21Z","start":"2031-09-09T02:18:30Z"},"civil":{"end":"2031-09-08T17:11:20Z","start":"2031-09-09T03:26:34Z"},"nautical":{"end":"2031-09-08T17:44:43Z","start":"2031-09-09T02:53:09Z"}},"window_end":"2031-09-09T09:00:00Z","window_start":"2031-09-08T09:00:00Z"},"night_date":"2031-09-08","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.0,"alt":89.7,"t":"2031-09-08T23:55:00Z"},"dec":41.26875,"dec_of_date":41.442,"dec_str":"+41\u00b0 16' 07.5\"","good_hours":8.0,"limit_rise":"2031-09-08T17:14:48Z","limit_set":"2031-09-09T06:33:28Z","max_az_rate_deg_per_min":21.05,"moon_separation":59.8,"never_rises":false,"ra":10.68470833,"ra_of_date":11.1201,"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":"8.0 dark hours above 30\u00b0 \u2014 a proper target for this night.","terrain":{"available":true,"behind_at":"2031-09-08T09:25:28Z","blocked_dark_hours":0,"clears_at":"2031-09-08T14:40:24Z","rise_az":328.5},"track":[{"above_terrain":true,"airmass":18.37,"alt":2.21,"az":328.5,"t":"2031-09-08T09:00:00Z","terrain":-0.18},{"above_terrain":true,"airmass":20.99,"alt":1.73,"az":329.3,"t":"2031-09-08T09:05:00Z","terrain":-0.2},{"above_terrain":true,"airmass":24.21,"alt":1.25,"az":330.1,"t":"2031-09-08T09:10:00Z","terrain":-0.35},{"above_terrain":true,"airmass":28.22,"alt":0.79,"az":330.9,"t":"2031-09-08T09:15:00Z","terrain":-0.39},{"above_terrain":true,"airmass":33.2,"alt":0.35,"az":331.8,"t":"2031-09-08T09:20:00Z","terrain":-0.2},{"above_terrain":true,"airmass":null,"alt":-0.09,"az":332.6,"t":"2031-09-08T09:25:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-0.52,"az":333.4,"t":"2031-09-08T09:30:00Z","terrain":-0.17},{"above_terrain":false,"airmass":null,"alt":-0.93,"az":334.3,"t":"2031-09-08T09:35:00Z","terrain":-0.33},{"above_terrain":false,"airmass":null,"alt":-1.33,"az":335.1,"t":"2031-09-08T09:40:00Z","terrain":-0.62},{"above_terrain":false,"airmass":null,"alt":-1.72,"az":336.0,"t":"2031-09-08T09:45:00Z","terrain":-0.83},{"above_terrain":false,"airmass":null,"alt":-2.09,"az":336.8,"t":"2031-09-08T09:50:00Z","terrain":-0.75},{"above_terrain":false,"airmass":null,"alt":-2.45,"az":337.7,"t":"2031-09-08T09:55:00Z","terrain":-0.54},{"above_terrain":false,"airmass":null,"alt":-2.8,"az":338.6,"t":"2031-09-08T10:00:00Z","terrain":-0.63},{"above_terrain":false,"airmass":null,"alt":-3.13,"az":339.5,"t":"2031-09-08T10:05:00Z","terrain":-0.65},{"above_terrain":false,"airmass":null,"alt":-3.46,"az":340.4,"t":"2031-09-08T10:10:00Z","terrain":-0.5},{"above_terrain":false,"airmass":null,"alt":-3.76,"az":341.2,"t":"2031-09-08T10:15:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-4.06,"az":342.1,"t":"2031-09-08T10:20:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-4.34,"az":343.0,"t":"2031-09-08T10:25:00Z","terrain":-0.39},{"above_terrain":false,"airmass":null,"alt":-4.6,"az":343.9,"t":"2031-09-08T10:30:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-4.86,"az":344.8,"t":"2031-09-08T10:35:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-5.09,"az":345.8,"t":"2031-09-08T10:40:00Z","terrain":-0.51},{"above_terrain":false,"airmass":null,"alt":-5.32,"az":346.7,"t":"2031-09-08T10:45:00Z","terrain":-0.46},{"above_terrain":false,"airmass":null,"alt":-5.53,"az":347.6,"t":"2031-09-08T10:50:00Z","terrain":-0.25},{"above_terrain":false,"airmass":null,"alt":-5.72,"az":348.5,"t":"2031-09-08T10:55:00Z","terrain":-0.07},{"above_terrain":false,"airmass":null,"alt":-5.9,"az":349.4,"t":"2031-09-08T11:00:00Z","terrain":0.06},{"above_terrain":false,"airmass":null,"alt":-6.06,"az":350.4,"t":"2031-09-08T11:05:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-6.21,"az":351.3,"t":"2031-09-08T11:10:00Z","terrain":0.18},{"above_terrain":false,"airmass":null,"alt":-6.34,"az":352.2,"t":"2031-09-08T11:15:00Z","terrain":0.33},{"above_terrain":false,"airmass":null,"alt":-6.46,"az":353.2,"t":"2031-09-08T11:20:00Z","terrain":0.52},{"above_terrain":false,"airmass":null,"alt":-6.57,"az":354.1,"t":"2031-09-08T11:25:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-6.65,"az":355.1,"t":"2031-09-08T11:30:00Z","terrain":0.63},{"above_terrain":false,"airmass":null,"alt":-6.73,"az":356.0,"t":"2031-09-08T11:35:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-6.78,"az":357.0,"t":"2031-09-08T11:40:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-6.83,"az":357.9,"t":"2031-09-08T11:45:00Z","terrain":0.63},{"above_terrain":false,"airmass":null,"alt":-6.85,"az":358.8,"t":"2031-09-08T11:50:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-6.86,"az":359.8,"t":"2031-09-08T11:55:00Z","terrain":0.53},{"above_terrain":false,"airmass":null,"alt":-6.86,"az":0.7,"t":"2031-09-08T12:00:00Z","terrain":0.4},{"above_terrain":false,"airmass":null,"alt":-6.84,"az":1.7,"t":"2031-09-08T12:05:00Z","terrain":0.2},{"above_terrain":false,"airmass":null,"alt":-6.81,"az":2.6,"t":"2031-09-08T12:10:00Z","terrain":-0.04},{"above_terrain":false,"airmass":null,"alt":-6.75,"az":3.6,"t":"2031-09-08T12:15:00Z","terrain":-0.22},{"above_terrain":false,"airmass":null,"alt":-6.69,"az":4.5,"t":"2031-09-08T12:20:00Z","terrain":-0.36},{"above_terrain":false,"airmass":null,"alt":-6.61,"az":5.5,"t":"2031-09-08T12:25:00Z","terrain":-0.5},{"above_terrain":false,"airmass":null,"alt":-6.51,"az":6.4,"t":"2031-09-08T12:30:00Z","terrain":-0.52},{"above_terrain":false,"airmass":null,"alt":-6.4,"az":7.3,"t":"2031-09-08T12:35:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-6.27,"az":8.3,"t":"2031-09-08T12:40:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-6.13,"az":9.2,"t":"2031-09-08T12:45:00Z","terrain":-0.65},{"above_terrain":false,"airmass":null,"alt":-5.97,"az":10.1,"t":"2031-09-08T12:50:00Z","terrain":-0.57},{"above_terrain":false,"airmass":null,"alt":-5.8,"az":11.1,"t":"2031-09-08T12:55:00Z","terrain":-0.38},{"above_terrain":false,"airmass":null,"alt":-5.61,"az":12.0,"t":"2031-09-08T13:00:00Z","terrain":-0.18},{"above_terrain":false,"airmass":null,"alt":-5.41,"az":12.9,"t":"2031-09-08T13:05:00Z","terrain":-0.08},{"above_terrain":false,"airmass":null,"alt":-5.19,"az":13.8,"t":"2031-09-08T13:10:00Z","terrain":0.06},{"above_terrain":false,"airmass":null,"alt":-4.96,"az":14.8,"t":"2031-09-08T13:15:00Z","terrain":0.33},{"above_terrain":false,"airmass":null,"alt":-4.72,"az":15.7,"t":"2031-09-08T13:20:00Z","terrain":0.46},{"above_terrain":false,"airmass":null,"alt":-4.46,"az":16.6,"t":"2031-09-08T13:25:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-4.18,"az":17.5,"t":"2031-09-08T13:30:00Z","terrain":0.5},{"above_terrain":false,"airmass":null,"alt":-3.9,"az":18.4,"t":"2031-09-08T13:35:00Z","terrain":0.56},{"above_terrain":false,"airmass":null,"alt":-3.59,"az":19.3,"t":"2031-09-08T13:40:00Z","terrain":0.63},{"above_terrain":false,"airmass":null,"alt":-3.28,"az":20.1,"t":"2031-09-08T13:45:00Z","terrain":0.67},{"above_terrain":false,"airmass":null,"alt":-2.95,"az":21.0,"t":"2031-09-08T13:50:00Z","terrain":0.7},{"above_terrain":false,"airmass":null,"alt":-2.61,"az":21.9,"t":"2031-09-08T13:55:00Z","terrain":0.96},{"above_terrain":false,"airmass":null,"alt":-2.25,"az":22.8,"t":"2031-09-08T14:00:00Z","terrain":1.12},{"above_terrain":false,"airmass":null,"alt":-1.88,"az":23.6,"t":"2031-09-08T14:05:00Z","terrain":1.01},{"above_terrain":false,"airmass":null,"alt":-1.5,"az":24.5,"t":"2031-09-08T14:10:00Z","terrain":1.07},{"above_terrain":false,"airmass":null,"alt":-1.11,"az":25.3,"t":"2031-09-08T14:15:00Z","terrain":1.26},{"above_terrain":false,"airmass":null,"alt":-0.7,"az":26.2,"t":"2031-09-08T14:20:00Z","terrain":1.33},{"above_terrain":false,"airmass":null,"alt":-0.28,"az":27.0,"t":"2031-09-08T14:25:00Z","terrain":1.28},{"above_terrain":false,"airmass":35.75,"alt":0.15,"az":27.9,"t":"2031-09-08T14:30:00Z","terrain":1.2},{"above_terrain":false,"airmass":30.29,"alt":0.59,"az":28.7,"t":"2031-09-08T14:35:00Z","terrain":1.06},{"above_terrain":false,"airmass":25.88,"alt":1.05,"az":29.5,"t":"2031-09-08T14:40:00Z","terrain":1.08},{"above_terrain":true,"airmass":22.33,"alt":1.52,"az":30.3,"t":"2031-09-08T14:45:00Z","terrain":1.2},{"above_terrain":true,"airmass":19.46,"alt":2.0,"az":31.1,"t":"2031-09-08T14:50:00Z","terrain":1.31},{"above_terrain":true,"airmass":17.12,"alt":2.49,"az":31.9,"t":"2031-09-08T14:55:00Z","terrain":1.33},{"above_terrain":true,"airmass":15.2,"alt":2.99,"az":32.7,"t":"2031-09-08T15:00:00Z","terrain":1.08},{"above_terrain":true,"airmass":13.6,"alt":3.5,"az":33.5,"t":"2031-09-08T15:05:00Z","terrain":0.69},{"above_terrain":true,"airmass":12.26,"alt":4.02,"az":34.3,"t":"2031-09-08T15:10:00Z","terrain":0.31},{"above_terrain":true,"airmass":11.12,"alt":4.55,"az":35.1,"t":"2031-09-08T15:15:00Z","terrain":0.05},{"above_terrain":true,"airmass":10.15,"alt":5.1,"az":35.9,"t":"2031-09-08T15:20:00Z","terrain":0.03},{"above_terrain":true,"airmass":9.31,"alt":5.65,"az":36.6,"t":"2031-09-08T15:25:00Z","terrain":-0.04},{"above_terrain":true,"airmass":8.58,"alt":6.21,"az":37.4,"t":"2031-09-08T15:30:00Z","terrain":-0.14},{"above_terrain":true,"airmass":7.94,"alt":6.79,"az":38.1,"t":"2031-09-08T15:35:00Z","terrain":-0.2},{"above_terrain":true,"airmass":7.38,"alt":7.37,"az":38.9,"t":"2031-09-08T15:40:00Z","terrain":-0.17},{"above_terrain":true,"airmass":6.89,"alt":7.96,"az":39.6,"t":"2031-09-08T15:45:00Z","terrain":-0.09},{"above_terrain":true,"airmass":6.45,"alt":8.56,"az":40.3,"t":"2031-09-08T15:50:00Z","terrain":-0.03},{"above_terrain":true,"airmass":6.05,"alt":9.17,"az":41.1,"t":"2031-09-08T15:55:00Z","terrain":0.03},{"above_terrain":true,"airmass":5.7,"alt":9.79,"az":41.8,"t":"2031-09-08T16:00:00Z","terrain":0.1},{"above_terrain":true,"airmass":5.38,"alt":10.42,"az":42.5,"t":"2031-09-08T16:05:00Z","terrain":0.18},{"above_terrain":true,"airmass":5.09,"alt":11.06,"az":43.2,"t":"2031-09-08T16:10:00Z","terrain":0.28},{"above_terrain":true,"airmass":4.82,"alt":11.7,"az":43.9,"t":"2031-09-08T16:15:00Z","terrain":0.39},{"above_terrain":true,"airmass":4.58,"alt":12.35,"az":44.6,"t":"2031-09-08T16:20:00Z","terrain":0.51},{"above_terrain":true,"airmass":4.36,"alt":13.01,"az":45.3,"t":"2031-09-08T16:25:00Z","terrain":0.6},{"above_terrain":true,"airmass":4.16,"alt":13.68,"az":45.9,"t":"2031-09-08T16:30:00Z","terrain":0.66},{"above_terrain":true,"airmass":3.97,"alt":14.36,"az":46.6,"t":"2031-09-08T16:35:00Z","terrain":0.63},{"above_terrain":true,"airmass":3.8,"alt":15.04,"az":47.3,"t":"2031-09-08T16:40:00Z","terrain":0.59},{"above_terrain":true,"airmass":3.64,"alt":15.73,"az":47.9,"t":"2031-09-08T16:45:00Z","terrain":0.53},{"above_terrain":true,"airmass":3.5,"alt":16.43,"az":48.6,"t":"2031-09-08T16:50:00Z","terrain":0.46},{"above_terrain":true,"airmass":3.36,"alt":17.14,"az":49.2,"t":"2031-09-08T16:55:00Z","terrain":0.41},{"above_terrain":true,"airmass":3.23,"alt":17.85,"az":49.9,"t":"2031-09-08T17:00:00Z","terrain":0.4},{"above_terrain":true,"airmass":3.11,"alt":18.57,"az":50.5,"t":"2031-09-08T17:05:00Z","terrain":0.47},{"above_terrain":true,"airmass":3.0,"alt":19.3,"az":51.2,"t":"2031-09-08T17:10:00Z","terrain":0.55},{"above_terrain":true,"airmass":2.9,"alt":20.03,"az":51.8,"t":"2031-09-08T17:15:00Z","terrain":0.61},{"above_terrain":true,"airmass":2.8,"alt":20.77,"az":52.4,"t":"2031-09-08T17:20:00Z","terrain":0.71},{"above_terrain":true,"airmass":2.71,"alt":21.51,"az":53.0,"t":"2031-09-08T17:25:00Z","terrain":0.84},{"above_terrain":true,"airmass":2.62,"alt":22.26,"az":53.6,"t":"2031-09-08T17:30:00Z","terrain":0.94},{"above_terrain":true,"airmass":2.54,"alt":23.02,"az":54.2,"t":"2031-09-08T17:35:00Z","terrain":1.02},{"above_terrain":true,"airmass":2.47,"alt":23.78,"az":54.8,"t":"2031-09-08T17:40:00Z","terrain":1.07},{"above_terrain":true,"airmass":2.4,"alt":24.55,"az":55.4,"t":"2031-09-08T17:45:00Z","terrain":1.07},{"above_terrain":true,"airmass":2.33,"alt":25.32,"az":56.0,"t":"2031-09-08T17:50:00Z","terrain":1.05},{"above_terrain":true,"airmass":2.26,"alt":26.1,"az":56.6,"t":"2031-09-08T17:55:00Z","terrain":1.06},{"above_terrain":true,"airmass":2.2,"alt":26.88,"az":57.2,"t":"2031-09-08T18:00:00Z","terrain":1.1},{"above_terrain":true,"airmass":2.15,"alt":27.67,"az":57.7,"t":"2031-09-08T18:05:00Z","terrain":1.2},{"above_terrain":true,"airmass":2.09,"alt":28.47,"az":58.3,"t":"2031-09-08T18:10:00Z","terrain":1.24},{"above_terrain":true,"airmass":2.04,"alt":29.27,"az":58.9,"t":"2031-09-08T18:15:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.99,"alt":30.07,"az":59.4,"t":"2031-09-08T18:20:00Z","terrain":1.19},{"above_terrain":true,"airmass":1.94,"alt":30.88,"az":60.0,"t":"2031-09-08T18:25:00Z","terrain":1.17},{"above_terrain":true,"airmass":1.9,"alt":31.69,"az":60.5,"t":"2031-09-08T18:30:00Z","terrain":1.13},{"above_terrain":true,"airmass":1.86,"alt":32.51,"az":61.1,"t":"2031-09-08T18:35:00Z","terrain":1.08},{"above_terrain":true,"airmass":1.82,"alt":33.33,"az":61.6,"t":"2031-09-08T18:40:00Z","terrain":1.04},{"above_terrain":true,"airmass":1.78,"alt":34.15,"az":62.2,"t":"2031-09-08T18:45:00Z","terrain":0.99},{"above_terrain":true,"airmass":1.74,"alt":34.98,"az":62.7,"t":"2031-09-08T18:50:00Z","terrain":0.94},{"above_terrain":true,"airmass":1.71,"alt":35.82,"az":63.2,"t":"2031-09-08T18:55:00Z","terrain":0.88},{"above_terrain":true,"airmass":1.67,"alt":36.66,"az":63.8,"t":"2031-09-08T19:00:00Z","terrain":0.8},{"above_terrain":true,"airmass":1.64,"alt":37.5,"az":64.3,"t":"2031-09-08T19:05:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.61,"alt":38.34,"az":64.8,"t":"2031-09-08T19:10:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.58,"alt":39.19,"az":65.3,"t":"2031-09-08T19:15:00Z","terrain":0.79},{"above_terrain":true,"airmass":1.55,"alt":40.04,"az":65.8,"t":"2031-09-08T19:20:00Z","terrain":0.82},{"above_terrain":true,"airmass":1.53,"alt":40.9,"az":66.4,"t":"2031-09-08T19:25:00Z","terrain":0.87},{"above_terrain":true,"airmass":1.5,"alt":41.76,"az":66.9,"t":"2031-09-08T19:30:00Z","terrain":0.92},{"above_terrain":true,"airmass":1.47,"alt":42.62,"az":67.4,"t":"2031-09-08T19:35:00Z","terrain":0.95},{"above_terrain":true,"airmass":1.45,"alt":43.49,"az":67.9,"t":"2031-09-08T19:40:00Z","terrain":0.98},{"above_terrain":true,"airmass":1.43,"alt":44.35,"az":68.4,"t":"2031-09-08T19:45:00Z","terrain":1.01},{"above_terrain":true,"airmass":1.41,"alt":45.23,"az":68.9,"t":"2031-09-08T19:50:00Z","terrain":1.04},{"above_terrain":true,"airmass":1.39,"alt":46.1,"az":69.4,"t":"2031-09-08T19:55:00Z","terrain":1.11},{"above_terrain":true,"airmass":1.37,"alt":46.98,"az":69.8,"t":"2031-09-08T20:00:00Z","terrain":1.19},{"above_terrain":true,"airmass":1.35,"alt":47.86,"az":70.3,"t":"2031-09-08T20:05:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.33,"alt":48.74,"az":70.8,"t":"2031-09-08T20:10:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.31,"alt":49.62,"az":71.3,"t":"2031-09-08T20:15:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.29,"alt":50.51,"az":71.8,"t":"2031-09-08T20:20:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.28,"alt":51.4,"az":72.2,"t":"2031-09-08T20:25:00Z","terrain":1.15},{"above_terrain":true,"airmass":1.26,"alt":52.3,"az":72.7,"t":"2031-09-08T20:30:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.25,"alt":53.19,"az":73.2,"t":"2031-09-08T20:35:00Z","terrain":0.94},{"above_terrain":true,"airmass":1.23,"alt":54.09,"az":73.7,"t":"2031-09-08T20:40:00Z","terrain":0.82},{"above_terrain":true,"airmass":1.22,"alt":54.99,"az":74.1,"t":"2031-09-08T20:45:00Z","terrain":0.72},{"above_terrain":true,"airmass":1.21,"alt":55.89,"az":74.6,"t":"2031-09-08T20:50:00Z","terrain":0.67},{"above_terrain":true,"airmass":1.19,"alt":56.79,"az":75.1,"t":"2031-09-08T20:55:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.18,"alt":57.7,"az":75.5,"t":"2031-09-08T21:00:00Z","terrain":0.68},{"above_terrain":true,"airmass":1.17,"alt":58.6,"az":76.0,"t":"2031-09-08T21:05:00Z","terrain":0.72},{"above_terrain":true,"airmass":1.16,"alt":59.51,"az":76.5,"t":"2031-09-08T21:10:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.15,"alt":60.42,"az":76.9,"t":"2031-09-08T21:15:00Z","terrain":0.7},{"above_terrain":true,"airmass":1.14,"alt":61.34,"az":77.4,"t":"2031-09-08T21:20:00Z","terrain":0.67},{"above_terrain":true,"airmass":1.13,"alt":62.25,"az":77.8,"t":"2031-09-08T21:25:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.12,"alt":63.17,"az":78.3,"t":"2031-09-08T21:30:00Z","terrain":0.61},{"above_terrain":true,"airmass":1.11,"alt":64.08,"az":78.8,"t":"2031-09-08T21:35:00Z","terrain":0.58},{"above_terrain":true,"airmass":1.1,"alt":65.0,"az":79.2,"t":"2031-09-08T21:40:00Z","terrain":0.55},{"above_terrain":true,"airmass":1.09,"alt":65.92,"az":79.7,"t":"2031-09-08T21:45:00Z","terrain":0.5},{"above_terrain":true,"airmass":1.09,"alt":66.84,"az":80.1,"t":"2031-09-08T21:50:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.08,"alt":67.77,"az":80.6,"t":"2031-09-08T21:55:00Z","terrain":0.59},{"above_terrain":true,"airmass":1.07,"alt":68.69,"az":81.1,"t":"2031-09-08T22:00:00Z","terrain":0.69},{"above_terrain":true,"airmass":1.07,"alt":69.62,"az":81.5,"t":"2031-09-08T22:05:00Z","terrain":0.74},{"above_terrain":true,"airmass":1.06,"alt":70.54,"az":82.0,"t":"2031-09-08T22:10:00Z","terrain":0.8},{"above_terrain":true,"airmass":1.05,"alt":71.47,"az":82.4,"t":"2031-09-08T22:15:00Z","terrain":0.65},{"above_terrain":true,"airmass":1.05,"alt":72.4,"az":82.9,"t":"2031-09-08T22:20:00Z","terrain":0.5},{"above_terrain":true,"airmass":1.04,"alt":73.33,"az":83.4,"t":"2031-09-08T22:25:00Z","terrain":0.44},{"above_terrain":true,"airmass":1.04,"alt":74.26,"az":83.9,"t":"2031-09-08T22:30:00Z","terrain":0.39},{"above_terrain":true,"airmass":1.03,"alt":75.19,"az":84.3,"t":"2031-09-08T22:35:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.03,"alt":76.12,"az":84.8,"t":"2031-09-08T22:40:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.03,"alt":77.05,"az":85.3,"t":"2031-09-08T22:45:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.02,"alt":77.99,"az":85.8,"t":"2031-09-08T22:50:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.02,"alt":78.92,"az":86.4,"t":"2031-09-08T22:55:00Z","terrain":0.13},{"above_terrain":true,"airmass":1.02,"alt":79.85,"az":86.9,"t":"2031-09-08T23:00:00Z","terrain":0.08},{"above_terrain":true,"airmass":1.01,"alt":80.79,"az":87.5,"t":"2031-09-08T23:05:00Z","terrain":0.01},{"above_terrain":true,"airmass":1.01,"alt":81.72,"az":88.1,"t":"2031-09-08T23:10:00Z","terrain":-0.08},{"above_terrain":true,"airmass":1.01,"alt":82.66,"az":88.7,"t":"2031-09-08T23:15:00Z","terrain":-0.16},{"above_terrain":true,"airmass":1.01,"alt":83.59,"az":89.4,"t":"2031-09-08T23:20:00Z","terrain":-0.21},{"above_terrain":true,"airmass":1.0,"alt":84.53,"az":90.2,"t":"2031-09-08T23:25:00Z","terrain":-0.19},{"above_terrain":true,"airmass":1.0,"alt":85.47,"az":91.2,"t":"2031-09-08T23:30:00Z","terrain":-0.06},{"above_terrain":true,"airmass":1.0,"alt":86.4,"az":92.4,"t":"2031-09-08T23:35:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.0,"alt":87.34,"az":94.2,"t":"2031-09-08T23:40:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.0,"alt":88.27,"az":97.6,"t":"2031-09-08T23:45:00Z","terrain":0.7},{"above_terrain":true,"airmass":1.0,"alt":89.18,"az":107.6,"t":"2031-09-08T23:50:00Z","terrain":-0.79},{"above_terrain":true,"airmass":1.0,"alt":89.7,"az":212.8,"t":"2031-09-08T23:55:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.0,"alt":88.87,"az":257.6,"t":"2031-09-09T00:00:00Z","terrain":0.39},{"above_terrain":true,"airmass":1.0,"alt":87.95,"az":263.9,"t":"2031-09-09T00:05:00Z","terrain":0.55},{"above_terrain":true,"airmass":1.0,"alt":87.01,"az":266.5,"t":"2031-09-09T00:10:00Z","terrain":0.52},{"above_terrain":true,"airmass":1.0,"alt":86.08,"az":268.1,"t":"2031-09-09T00:15:00Z","terrain":0.66},{"above_terrain":true,"airmass":1.0,"alt":85.14,"az":269.2,"t":"2031-09-09T00:20:00Z","terrain":0.78},{"above_terrain":true,"airmass":1.0,"alt":84.21,"az":270.1,"t":"2031-09-09T00:25:00Z","terrain":0.89},{"above_terrain":true,"airmass":1.01,"alt":83.27,"az":270.9,"t":"2031-09-09T00:30:00Z","terrain":0.8},{"above_terrain":true,"airmass":1.01,"alt":82.34,"az":271.5,"t":"2031-09-09T00:35:00Z","terrain":0.59},{"above_terrain":true,"airmass":1.01,"alt":81.4,"az":272.2,"t":"2031-09-09T00:40:00Z","terrain":0.38},{"above_terrain":true,"airmass":1.01,"alt":80.47,"az":272.7,"t":"2031-09-09T00:45:00Z","terrain":0.21},{"above_terrain":true,"airmass":1.02,"alt":79.53,"az":273.3,"t":"2031-09-09T00:50:00Z","terrain":0.09},{"above_terrain":true,"airmass":1.02,"alt":78.6,"az":273.8,"t":"2031-09-09T00:55:00Z","terrain":-0.0},{"above_terrain":true,"airmass":1.02,"alt":77.66,"az":274.3,"t":"2031-09-09T01:00:00Z","terrain":0.01},{"above_terrain":true,"airmass":1.03,"alt":76.73,"az":274.8,"t":"2031-09-09T01:05:00Z","terrain":0.07},{"above_terrain":true,"airmass":1.03,"alt":75.8,"az":275.3,"t":"2031-09-09T01:10:00Z","terrain":0.06},{"above_terrain":true,"airmass":1.04,"alt":74.87,"az":275.8,"t":"2031-09-09T01:15:00Z","terrain":0.01},{"above_terrain":true,"airmass":1.04,"alt":73.94,"az":276.3,"t":"2031-09-09T01:20:00Z","terrain":-0.05},{"above_terrain":true,"airmass":1.05,"alt":73.01,"az":276.8,"t":"2031-09-09T01:25:00Z","terrain":-0.11},{"above_terrain":true,"airmass":1.05,"alt":72.08,"az":277.2,"t":"2031-09-09T01:30:00Z","terrain":-0.13},{"above_terrain":true,"airmass":1.06,"alt":71.15,"az":277.7,"t":"2031-09-09T01:35:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.06,"alt":70.22,"az":278.2,"t":"2031-09-09T01:40:00Z","terrain":-0.07},{"above_terrain":true,"airmass":1.07,"alt":69.3,"az":278.6,"t":"2031-09-09T01:45:00Z","terrain":-0.04},{"above_terrain":true,"airmass":1.08,"alt":68.37,"az":279.1,"t":"2031-09-09T01:50:00Z","terrain":-0.03},{"above_terrain":true,"airmass":1.08,"alt":67.45,"az":279.6,"t":"2031-09-09T01:55:00Z","terrain":-0.08},{"above_terrain":true,"airmass":1.09,"alt":66.53,"az":280.0,"t":"2031-09-09T02:00:00Z","terrain":-0.13},{"above_terrain":true,"airmass":1.1,"alt":65.6,"az":280.5,"t":"2031-09-09T02:05:00Z","terrain":-0.05},{"above_terrain":true,"airmass":1.11,"alt":64.69,"az":280.9,"t":"2031-09-09T02:10:00Z","terrain":0.02},{"above_terrain":true,"airmass":1.11,"alt":63.77,"az":281.4,"t":"2031-09-09T02:15:00Z","terrain":-0.03},{"above_terrain":true,"airmass":1.12,"alt":62.85,"az":281.9,"t":"2031-09-09T02:20:00Z","terrain":-0.11},{"above_terrain":true,"airmass":1.13,"alt":61.94,"az":282.3,"t":"2031-09-09T02:25:00Z","terrain":-0.09},{"above_terrain":true,"airmass":1.14,"alt":61.02,"az":282.8,"t":"2031-09-09T02:30:00Z","terrain":-0.04},{"above_terrain":true,"airmass":1.15,"alt":60.11,"az":283.2,"t":"2031-09-09T02:35:00Z","terrain":0.02},{"above_terrain":true,"airmass":1.16,"alt":59.2,"az":283.7,"t":"2031-09-09T02:40:00Z","terrain":0.08},{"above_terrain":true,"airmass":1.17,"alt":58.29,"az":284.2,"t":"2031-09-09T02:45:00Z","terrain":0.14},{"above_terrain":true,"airmass":1.19,"alt":57.38,"az":284.6,"t":"2031-09-09T02:50:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.2,"alt":56.48,"az":285.1,"t":"2031-09-09T02:55:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.21,"alt":55.58,"az":285.6,"t":"2031-09-09T03:00:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.22,"alt":54.68,"az":286.0,"t":"2031-09-09T03:05:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.24,"alt":53.78,"az":286.5,"t":"2031-09-09T03:10:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.25,"alt":52.88,"az":287.0,"t":"2031-09-09T03:15:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.27,"alt":51.99,"az":287.4,"t":"2031-09-09T03:20:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.28,"alt":51.1,"az":287.9,"t":"2031-09-09T03:25:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.3,"alt":50.21,"az":288.4,"t":"2031-09-09T03:30:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.32,"alt":49.32,"az":288.9,"t":"2031-09-09T03:35:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.34,"alt":48.44,"az":289.4,"t":"2031-09-09T03:40:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.35,"alt":47.55,"az":289.8,"t":"2031-09-09T03:45:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.37,"alt":46.67,"az":290.3,"t":"2031-09-09T03:50:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.39,"alt":45.8,"az":290.8,"t":"2031-09-09T03:55:00Z","terrain":0.45},{"above_terrain":true,"airmass":1.41,"alt":44.92,"az":291.3,"t":"2031-09-09T04:00:00Z","terrain":0.51},{"above_terrain":true,"airmass":1.44,"alt":44.05,"az":291.8,"t":"2031-09-09T04:05:00Z","terrain":0.54},{"above_terrain":true,"airmass":1.46,"alt":43.19,"az":292.3,"t":"2031-09-09T04:10:00Z","terrain":0.47},{"above_terrain":true,"airmass":1.48,"alt":42.32,"az":292.8,"t":"2031-09-09T04:15:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.51,"alt":41.46,"az":293.3,"t":"2031-09-09T04:20:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.53,"alt":40.6,"az":293.8,"t":"2031-09-09T04:25:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.56,"alt":39.75,"az":294.3,"t":"2031-09-09T04:30:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.59,"alt":38.9,"az":294.8,"t":"2031-09-09T04:35:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.62,"alt":38.05,"az":295.4,"t":"2031-09-09T04:40:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.65,"alt":37.21,"az":295.9,"t":"2031-09-09T04:45:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.68,"alt":36.37,"az":296.4,"t":"2031-09-09T04:50:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.72,"alt":35.53,"az":296.9,"t":"2031-09-09T04:55:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.75,"alt":34.7,"az":297.5,"t":"2031-09-09T05:00:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.79,"alt":33.87,"az":298.0,"t":"2031-09-09T05:05:00Z","terrain":0.12},{"above_terrain":true,"airmass":1.83,"alt":33.04,"az":298.6,"t":"2031-09-09T05:10:00Z","terrain":0.15},{"above_terrain":true,"airmass":1.87,"alt":32.22,"az":299.1,"t":"2031-09-09T05:15:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.91,"alt":31.41,"az":299.6,"t":"2031-09-09T05:20:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.96,"alt":30.6,"az":300.2,"t":"2031-09-09T05:25:00Z","terrain":0.36},{"above_terrain":true,"airmass":2.01,"alt":29.79,"az":300.8,"t":"2031-09-09T05:30:00Z","terrain":0.33},{"above_terrain":true,"airmass":2.06,"alt":28.99,"az":301.3,"t":"2031-09-09T05:35:00Z","terrain":0.24},{"above_terrain":true,"airmass":2.11,"alt":28.19,"az":301.9,"t":"2031-09-09T05:40:00Z","terrain":0.11},{"above_terrain":true,"airmass":2.17,"alt":27.4,"az":302.5,"t":"2031-09-09T05:45:00Z","terrain":-0.06},{"above_terrain":true,"airmass":2.22,"alt":26.61,"az":303.0,"t":"2031-09-09T05:50:00Z","terrain":-0.23},{"above_terrain":true,"airmass":2.29,"alt":25.83,"az":303.6,"t":"2031-09-09T05:55:00Z","terrain":-0.15},{"above_terrain":true,"airmass":2.35,"alt":25.05,"az":304.2,"t":"2031-09-09T06:00:00Z","terrain":-0.14},{"above_terrain":true,"airmass":2.42,"alt":24.28,"az":304.8,"t":"2031-09-09T06:05:00Z","terrain":-0.25},{"above_terrain":true,"airmass":2.49,"alt":23.52,"az":305.4,"t":"2031-09-09T06:10:00Z","terrain":-0.24},{"above_terrain":true,"airmass":2.57,"alt":22.76,"az":306.0,"t":"2031-09-09T06:15:00Z","terrain":-0.17},{"above_terrain":true,"airmass":2.65,"alt":22.0,"az":306.6,"t":"2031-09-09T06:20:00Z","terrain":0.04},{"above_terrain":true,"airmass":2.74,"alt":21.25,"az":307.2,"t":"2031-09-09T06:25:00Z","terrain":0.21},{"above_terrain":true,"airmass":2.83,"alt":20.51,"az":307.8,"t":"2031-09-09T06:30:00Z","terrain":0.29},{"above_terrain":true,"airmass":2.93,"alt":19.77,"az":308.4,"t":"2031-09-09T06:35:00Z","terrain":0.25},{"above_terrain":true,"airmass":3.04,"alt":19.04,"az":309.1,"t":"2031-09-09T06:40:00Z","terrain":0.17},{"above_terrain":true,"airmass":3.15,"alt":18.32,"az":309.7,"t":"2031-09-09T06:45:00Z","terrain":0.2},{"above_terrain":true,"airmass":3.28,"alt":17.6,"az":310.3,"t":"2031-09-09T06:50:00Z","terrain":0.27},{"above_terrain":true,"airmass":3.41,"alt":16.89,"az":311.0,"t":"2031-09-09T06:55:00Z","terrain":0.36},{"above_terrain":true,"airmass":3.55,"alt":16.19,"az":311.6,"t":"2031-09-09T07:00:00Z","terrain":0.22},{"above_terrain":true,"airmass":3.7,"alt":15.5,"az":312.3,"t":"2031-09-09T07:05:00Z","terrain":0.18},{"above_terrain":true,"airmass":3.86,"alt":14.81,"az":312.9,"t":"2031-09-09T07:10:00Z","terrain":0.26},{"above_terrain":true,"airmass":4.04,"alt":14.13,"az":313.6,"t":"2031-09-09T07:15:00Z","terrain":0.39},{"above_terrain":true,"airmass":4.23,"alt":13.45,"az":314.3,"t":"2031-09-09T07:20:00Z","terrain":0.5},{"above_terrain":true,"airmass":4.44,"alt":12.79,"az":315.0,"t":"2031-09-09T07:25:00Z","terrain":0.56},{"above_terrain":true,"airmass":4.66,"alt":12.13,"az":315.7,"t":"2031-09-09T07:30:00Z","terrain":0.51},{"above_terrain":true,"airmass":4.91,"alt":11.48,"az":316.4,"t":"2031-09-09T07:35:00Z","terrain":0.42},{"above_terrain":true,"airmass":5.18,"alt":10.84,"az":317.1,"t":"2031-09-09T07:40:00Z","terrain":0.3},{"above_terrain":true,"airmass":5.48,"alt":10.2,"az":317.8,"t":"2031-09-09T07:45:00Z","terrain":0.32},{"above_terrain":true,"airmass":5.81,"alt":9.58,"az":318.5,"t":"2031-09-09T07:50:00Z","terrain":0.11},{"above_terrain":true,"airmass":6.18,"alt":8.96,"az":319.2,"t":"2031-09-09T07:55:00Z","terrain":-0.15},{"above_terrain":true,"airmass":6.59,"alt":8.35,"az":319.9,"t":"2031-09-09T08:00:00Z","terrain":-0.19},{"above_terrain":true,"airmass":7.05,"alt":7.76,"az":320.6,"t":"2031-09-09T08:05:00Z","terrain":-0.2},{"above_terrain":true,"airmass":7.57,"alt":7.17,"az":321.4,"t":"2031-09-09T08:10:00Z","terrain":-0.04},{"above_terrain":true,"airmass":8.15,"alt":6.59,"az":322.1,"t":"2031-09-09T08:15:00Z","terrain":0.19},{"above_terrain":true,"airmass":8.82,"alt":6.02,"az":322.9,"t":"2031-09-09T08:20:00Z","terrain":0.1},{"above_terrain":true,"airmass":9.58,"alt":5.46,"az":323.6,"t":"2031-09-09T08:25:00Z","terrain":-0.11},{"above_terrain":true,"airmass":10.46,"alt":4.91,"az":324.4,"t":"2031-09-09T08:30:00Z","terrain":-0.2},{"above_terrain":true,"airmass":11.49,"alt":4.37,"az":325.2,"t":"2031-09-09T08:35:00Z","terrain":-0.2},{"above_terrain":true,"airmass":12.69,"alt":3.84,"az":326.0,"t":"2031-09-09T08:40:00Z","terrain":-0.24},{"above_terrain":true,"airmass":14.12,"alt":3.32,"az":326.7,"t":"2031-09-09T08:45:00Z","terrain":-0.35},{"above_terrain":true,"airmass":15.82,"alt":2.81,"az":327.5,"t":"2031-09-09T08:50:00Z","terrain":-0.31},{"above_terrain":true,"airmass":17.87,"alt":2.32,"az":328.3,"t":"2031-09-09T08:55:00Z","terrain":-0.2},{"above_terrain":true,"airmass":20.38,"alt":1.83,"az":329.1,"t":"2031-09-09T09:00:00Z","terrain":-0.16}],"transit":{"airmass":1.0,"alt":89.7,"az":212.8,"t":"2031-09-08T23:55:00Z"},"usable_hours":8.0,"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."]}