{"assessment":{"best_window":{"end":"2031-01-07T04:10Z","end_local":"06:10","hours":3.67,"label":"good","mean_quality":0.71,"start":"2031-01-07T00:30Z","start_local":"02:30"},"cost":{"altitude":7.87,"clouds":0.0,"darkness":1.17,"moon":0.84},"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":-46,"cloud":null,"high":null,"iso":"2031-01-06T16:00Z","label":"unusable","low":null,"mid":null,"moon_alt":27,"precip":null,"q":0.0,"rh":null,"sky":"nautical twilight","temp":null,"time":"18:00","wind":null},{"alt":-43,"cloud":null,"high":null,"iso":"2031-01-06T17:00Z","label":"unusable","low":null,"mid":null,"moon_alt":37,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"19:00","wind":null},{"alt":-37,"cloud":null,"high":null,"iso":"2031-01-06T18:00Z","label":"unusable","low":null,"mid":null,"moon_alt":48,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"20:00","wind":null},{"alt":-28,"cloud":null,"high":null,"iso":"2031-01-06T19:00Z","label":"unusable","low":null,"mid":null,"moon_alt":58,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"21:00","wind":null},{"alt":-18,"cloud":null,"high":null,"iso":"2031-01-06T20:00Z","label":"unusable","low":null,"mid":null,"moon_alt":66,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"22:00","wind":null},{"alt":-7,"cloud":null,"high":null,"iso":"2031-01-06T21:00Z","label":"unusable","low":null,"mid":null,"moon_alt":70,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":4,"cloud":null,"high":null,"iso":"2031-01-06T22:00Z","label":"unusable","low":null,"mid":null,"moon_alt":66,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":15,"cloud":null,"high":null,"iso":"2031-01-06T23:00Z","label":"unusable","low":null,"mid":null,"moon_alt":58,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":26,"cloud":null,"high":null,"iso":"2031-01-07T00:00Z","label":"marginal","low":null,"mid":null,"moon_alt":47,"precip":null,"q":0.47,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":35,"cloud":null,"high":null,"iso":"2031-01-07T01:00Z","label":"good","low":null,"mid":null,"moon_alt":37,"precip":null,"q":0.64,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":44,"cloud":null,"high":null,"iso":"2031-01-07T02:00Z","label":"good","low":null,"mid":null,"moon_alt":26,"precip":null,"q":0.7,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":49,"cloud":null,"high":null,"iso":"2031-01-07T03:00Z","label":"good","low":null,"mid":null,"moon_alt":15,"precip":null,"q":0.75,"rh":null,"sky":"night","temp":null,"time":"05:00","wind":null},{"alt":50,"cloud":null,"high":null,"iso":"2031-01-07T04:00Z","label":"good","low":null,"mid":null,"moon_alt":5,"precip":null,"q":0.78,"rh":null,"sky":"night","temp":null,"time":"06:00","wind":null},{"alt":47,"cloud":null,"high":null,"iso":"2031-01-07T05:00Z","label":"poor","low":null,"mid":null,"moon_alt":-5,"precip":null,"q":0.14,"rh":null,"sky":"nautical twilight","temp":null,"time":"07:00","wind":null}],"peak_quality":0.79,"peak_sky":0.79,"quality_hours":3.38,"reasons":["the target being low or below 20\u00b0 cost 7.9 quality-hours","daylight and twilight cost 1.2 quality-hours","moonlight cost 0.8 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":66,"score_weather":null,"sky_hours":3.38,"verdict":"unknown","verdict_astronomy":"marginal","weather_known":false,"windows":[{"end":"2031-01-06T23:30Z","end_local":"01:30","hours":8.42,"label":"unusable","mean_quality":0.0,"start":"2031-01-06T15:05Z","start_local":"17:05"},{"end":"2031-01-07T00:30Z","end_local":"02:30","hours":1.0,"label":"marginal","mean_quality":0.45,"start":"2031-01-06T23:30Z","start_local":"01:30"},{"end":"2031-01-07T04:10Z","end_local":"06:10","hours":3.67,"label":"good","mean_quality":0.71,"start":"2031-01-07T00:30Z","start_local":"02:30"},{"end":"2031-01-07T04:45Z","end_local":"06:45","hours":0.58,"label":"marginal","mean_quality":0.42,"start":"2031-01-07T04:10Z","start_local":"06:10"},{"end":"2031-01-07T05:20Z","end_local":"07:20","hours":0.58,"label":"poor","mean_quality":0.14,"start":"2031-01-07T04:45Z","start_local":"06:45"},{"end":"2031-01-07T05:50Z","end_local":"07:50","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2031-01-07T05:20Z","start_local":"07:20"}]},"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":"2031-01-06T16:45:09Z","dark_hours":11.39,"dark_to":"2031-01-07T04:08:37Z","moon":{"illumination":0.97,"phase":"waxing gibbous","waxing":true},"moon_free_dark_hours":0.0,"moonrise":"2031-01-06T13:26:05Z","moonset":"2031-01-07T04:27:51Z","sunrise":"2031-01-07T05:48:03Z","sunset":"2031-01-06T15:05:34Z","twilight":{"astronomical":{"end":"2031-01-06T16:45:09Z","start":"2031-01-07T04:08:37Z"},"civil":{"end":"2031-01-06T15:36:46Z","start":"2031-01-07T05:16:54Z"},"nautical":{"end":"2031-01-06T16:11:31Z","start":"2031-01-07T04:42:12Z"}},"window_end":"2031-01-07T10:00:00Z","window_start":"2031-01-06T10:00:00Z"},"night_date":"2031-01-06","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.3,"alt":50.2,"t":"2031-01-07T03:45:00Z"},"dec":2.05238823,"dec_of_date":1.8812,"dec_str":"+02\u00b0 03' 08.6\"","good_hours":3.67,"limit_rise":"2031-01-06T23:27:59Z","limit_set":"2031-01-07T08:03:19Z","max_az_rate_deg_per_min":0.0,"moon_separation":99.5,"never_rises":false,"ra":187.27791594,"ra_of_date":187.6745,"ra_str":"12h 29m 06.7s","resolved":{"dec":2.05238823,"morphology":"E3","name":"3C 273","ra":187.27791594,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=3C%20273","source":"sesame","type":"BLL","type_text":"BL Lac object \u2014 a blazar","vmag":14.83},"summary":"3.7 dark hours above 30\u00b0 \u2014 a proper target for this night.","terrain":{"available":true,"behind_at":"2031-01-07T09:49:22Z","blocked_dark_hours":0,"clears_at":"2031-01-06T21:39:57Z","rise_az":87.5},"track":[{"above_terrain":false,"airmass":null,"alt":-0.88,"az":273.3,"t":"2031-01-06T10:00:00Z","terrain":0.09},{"above_terrain":false,"airmass":null,"alt":-1.81,"az":274.1,"t":"2031-01-06T10:05:00Z","terrain":-0.01},{"above_terrain":false,"airmass":null,"alt":-2.75,"az":275.0,"t":"2031-01-06T10:10:00Z","terrain":0.09},{"above_terrain":false,"airmass":null,"alt":-3.68,"az":275.8,"t":"2031-01-06T10:15:00Z","terrain":0.01},{"above_terrain":false,"airmass":null,"alt":-4.61,"az":276.7,"t":"2031-01-06T10:20:00Z","terrain":-0.1},{"above_terrain":false,"airmass":null,"alt":-5.54,"az":277.5,"t":"2031-01-06T10:25:00Z","terrain":-0.11},{"above_terrain":false,"airmass":null,"alt":-6.46,"az":278.3,"t":"2031-01-06T10:30:00Z","terrain":-0.06},{"above_terrain":false,"airmass":null,"alt":-7.39,"az":279.2,"t":"2031-01-06T10:35:00Z","terrain":-0.04},{"above_terrain":false,"airmass":null,"alt":-8.31,"az":280.1,"t":"2031-01-06T10:40:00Z","terrain":-0.12},{"above_terrain":false,"airmass":null,"alt":-9.23,"az":280.9,"t":"2031-01-06T10:45:00Z","terrain":0.02},{"above_terrain":false,"airmass":null,"alt":-10.15,"az":281.8,"t":"2031-01-06T10:50:00Z","terrain":-0.09},{"above_terrain":false,"airmass":null,"alt":-11.07,"az":282.6,"t":"2031-01-06T10:55:00Z","terrain":-0.05},{"above_terrain":false,"airmass":null,"alt":-11.98,"az":283.5,"t":"2031-01-06T11:00:00Z","terrain":0.06},{"above_terrain":false,"airmass":null,"alt":-12.89,"az":284.4,"t":"2031-01-06T11:05:00Z","terrain":0.17},{"above_terrain":false,"airmass":null,"alt":-13.79,"az":285.3,"t":"2031-01-06T11:10:00Z","terrain":0.23},{"above_terrain":false,"airmass":null,"alt":-14.69,"az":286.2,"t":"2031-01-06T11:15:00Z","terrain":0.25},{"above_terrain":false,"airmass":null,"alt":-15.59,"az":287.1,"t":"2031-01-06T11:20:00Z","terrain":0.35},{"above_terrain":false,"airmass":null,"alt":-16.48,"az":288.0,"t":"2031-01-06T11:25:00Z","terrain":0.17},{"above_terrain":false,"airmass":null,"alt":-17.37,"az":288.9,"t":"2031-01-06T11:30:00Z","terrain":0.18},{"above_terrain":false,"airmass":null,"alt":-18.25,"az":289.9,"t":"2031-01-06T11:35:00Z","terrain":0.28},{"above_terrain":false,"airmass":null,"alt":-19.13,"az":290.8,"t":"2031-01-06T11:40:00Z","terrain":0.45},{"above_terrain":false,"airmass":null,"alt":-20.0,"az":291.8,"t":"2031-01-06T11:45:00Z","terrain":0.54},{"above_terrain":false,"airmass":null,"alt":-20.87,"az":292.7,"t":"2031-01-06T11:50:00Z","terrain":0.35},{"above_terrain":false,"airmass":null,"alt":-21.73,"az":293.7,"t":"2031-01-06T11:55:00Z","terrain":0.26},{"above_terrain":false,"airmass":null,"alt":-22.58,"az":294.7,"t":"2031-01-06T12:00:00Z","terrain":0.24},{"above_terrain":false,"airmass":null,"alt":-23.43,"az":295.7,"t":"2031-01-06T12:05:00Z","terrain":0.3},{"above_terrain":false,"airmass":null,"alt":-24.27,"az":296.7,"t":"2031-01-06T12:10:00Z","terrain":0.28},{"above_terrain":false,"airmass":null,"alt":-25.1,"az":297.8,"t":"2031-01-06T12:15:00Z","terrain":0.15},{"above_terrain":false,"airmass":null,"alt":-25.92,"az":298.8,"t":"2031-01-06T12:20:00Z","terrain":0.16},{"above_terrain":false,"airmass":null,"alt":-26.74,"az":299.9,"t":"2031-01-06T12:25:00Z","terrain":0.34},{"above_terrain":false,"airmass":null,"alt":-27.55,"az":300.9,"t":"2031-01-06T12:30:00Z","terrain":0.32},{"above_terrain":false,"airmass":null,"alt":-28.34,"az":302.0,"t":"2031-01-06T12:35:00Z","terrain":0.07},{"above_terrain":false,"airmass":null,"alt":-29.13,"az":303.1,"t":"2031-01-06T12:40:00Z","terrain":-0.21},{"above_terrain":false,"airmass":null,"alt":-29.91,"az":304.3,"t":"2031-01-06T12:45:00Z","terrain":-0.15},{"above_terrain":false,"airmass":null,"alt":-30.68,"az":305.4,"t":"2031-01-06T12:50:00Z","terrain":-0.24},{"above_terrain":false,"airmass":null,"alt":-31.44,"az":306.6,"t":"2031-01-06T12:55:00Z","terrain":0.03},{"above_terrain":false,"airmass":null,"alt":-32.18,"az":307.8,"t":"2031-01-06T13:00:00Z","terrain":0.29},{"above_terrain":false,"airmass":null,"alt":-32.92,"az":309.0,"t":"2031-01-06T13:05:00Z","terrain":0.17},{"above_terrain":false,"airmass":null,"alt":-33.64,"az":310.2,"t":"2031-01-06T13:10:00Z","terrain":0.25},{"above_terrain":false,"airmass":null,"alt":-34.35,"az":311.4,"t":"2031-01-06T13:15:00Z","terrain":0.26},{"above_terrain":false,"airmass":null,"alt":-35.04,"az":312.7,"t":"2031-01-06T13:20:00Z","terrain":0.23},{"above_terrain":false,"airmass":null,"alt":-35.72,"az":314.0,"t":"2031-01-06T13:25:00Z","terrain":0.47},{"above_terrain":false,"airmass":null,"alt":-36.39,"az":315.3,"t":"2031-01-06T13:30:00Z","terrain":0.53},{"above_terrain":false,"airmass":null,"alt":-37.04,"az":316.7,"t":"2031-01-06T13:35:00Z","terrain":0.36},{"above_terrain":false,"airmass":null,"alt":-37.67,"az":318.0,"t":"2031-01-06T13:40:00Z","terrain":0.33},{"above_terrain":false,"airmass":null,"alt":-38.29,"az":319.4,"t":"2031-01-06T13:45:00Z","terrain":-0.16},{"above_terrain":false,"airmass":null,"alt":-38.89,"az":320.8,"t":"2031-01-06T13:50:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-39.47,"az":322.2,"t":"2031-01-06T13:55:00Z","terrain":0.18},{"above_terrain":false,"airmass":null,"alt":-40.04,"az":323.7,"t":"2031-01-06T14:00:00Z","terrain":-0.12},{"above_terrain":false,"airmass":null,"alt":-40.58,"az":325.2,"t":"2031-01-06T14:05:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-41.1,"az":326.7,"t":"2031-01-06T14:10:00Z","terrain":-0.34},{"above_terrain":false,"airmass":null,"alt":-41.61,"az":328.2,"t":"2031-01-06T14:15:00Z","terrain":-0.21},{"above_terrain":false,"airmass":null,"alt":-42.09,"az":329.7,"t":"2031-01-06T14:20:00Z","terrain":-0.29},{"above_terrain":false,"airmass":null,"alt":-42.55,"az":331.3,"t":"2031-01-06T14:25:00Z","terrain":-0.31},{"above_terrain":false,"airmass":null,"alt":-42.99,"az":332.9,"t":"2031-01-06T14:30:00Z","terrain":-0.12},{"above_terrain":false,"airmass":null,"alt":-43.4,"az":334.5,"t":"2031-01-06T14:35:00Z","terrain":-0.43},{"above_terrain":false,"airmass":null,"alt":-43.79,"az":336.2,"t":"2031-01-06T14:40:00Z","terrain":-0.81},{"above_terrain":false,"airmass":null,"alt":-44.16,"az":337.9,"t":"2031-01-06T14:45:00Z","terrain":-0.51},{"above_terrain":false,"airmass":null,"alt":-44.5,"az":339.5,"t":"2031-01-06T14:50:00Z","terrain":-0.63},{"above_terrain":false,"airmass":null,"alt":-44.81,"az":341.2,"t":"2031-01-06T14:55:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-45.1,"az":343.0,"t":"2031-01-06T15:00:00Z","terrain":-0.39},{"above_terrain":false,"airmass":null,"alt":-45.36,"az":344.7,"t":"2031-01-06T15:05:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-45.59,"az":346.5,"t":"2031-01-06T15:10:00Z","terrain":-0.49},{"above_terrain":false,"airmass":null,"alt":-45.8,"az":348.2,"t":"2031-01-06T15:15:00Z","terrain":-0.11},{"above_terrain":false,"airmass":null,"alt":-45.98,"az":350.0,"t":"2031-01-06T15:20:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-46.12,"az":351.8,"t":"2031-01-06T15:25:00Z","terrain":0.24},{"above_terrain":false,"airmass":null,"alt":-46.24,"az":353.6,"t":"2031-01-06T15:30:00Z","terrain":0.57},{"above_terrain":false,"airmass":null,"alt":-46.33,"az":355.4,"t":"2031-01-06T15:35:00Z","terrain":0.67},{"above_terrain":false,"airmass":null,"alt":-46.39,"az":357.2,"t":"2031-01-06T15:40:00Z","terrain":0.72},{"above_terrain":false,"airmass":null,"alt":-46.42,"az":359.0,"t":"2031-01-06T15:45:00Z","terrain":0.61},{"above_terrain":false,"airmass":null,"alt":-46.42,"az":0.9,"t":"2031-01-06T15:50:00Z","terrain":0.39},{"above_terrain":false,"airmass":null,"alt":-46.39,"az":2.7,"t":"2031-01-06T15:55:00Z","terrain":-0.05},{"above_terrain":false,"airmass":null,"alt":-46.33,"az":4.5,"t":"2031-01-06T16:00:00Z","terrain":-0.35},{"above_terrain":false,"airmass":null,"alt":-46.25,"az":6.3,"t":"2031-01-06T16:05:00Z","terrain":-0.54},{"above_terrain":false,"airmass":null,"alt":-46.13,"az":8.1,"t":"2031-01-06T16:10:00Z","terrain":-0.44},{"above_terrain":false,"airmass":null,"alt":-45.98,"az":9.9,"t":"2031-01-06T16:15:00Z","terrain":-0.61},{"above_terrain":false,"airmass":null,"alt":-45.81,"az":11.7,"t":"2031-01-06T16:20:00Z","terrain":-0.25},{"above_terrain":false,"airmass":null,"alt":-45.6,"az":13.4,"t":"2031-01-06T16:25:00Z","terrain":0.0},{"above_terrain":false,"airmass":null,"alt":-45.37,"az":15.2,"t":"2031-01-06T16:30:00Z","terrain":0.43},{"above_terrain":false,"airmass":null,"alt":-45.11,"az":16.9,"t":"2031-01-06T16:35:00Z","terrain":0.47},{"above_terrain":false,"airmass":null,"alt":-44.83,"az":18.7,"t":"2031-01-06T16:40:00Z","terrain":0.59},{"above_terrain":false,"airmass":null,"alt":-44.51,"az":20.4,"t":"2031-01-06T16:45:00Z","terrain":0.68},{"above_terrain":false,"airmass":null,"alt":-44.18,"az":22.1,"t":"2031-01-06T16:50:00Z","terrain":1.0},{"above_terrain":false,"airmass":null,"alt":-43.81,"az":23.7,"t":"2031-01-06T16:55:00Z","terrain":0.99},{"above_terrain":false,"airmass":null,"alt":-43.42,"az":25.4,"t":"2031-01-06T17:00:00Z","terrain":1.26},{"above_terrain":false,"airmass":null,"alt":-43.01,"az":27.0,"t":"2031-01-06T17:05:00Z","terrain":1.28},{"above_terrain":false,"airmass":null,"alt":-42.57,"az":28.6,"t":"2031-01-06T17:10:00Z","terrain":1.08},{"above_terrain":false,"airmass":null,"alt":-42.11,"az":30.2,"t":"2031-01-06T17:15:00Z","terrain":1.18},{"above_terrain":false,"airmass":null,"alt":-41.63,"az":31.7,"t":"2031-01-06T17:20:00Z","terrain":1.32},{"above_terrain":false,"airmass":null,"alt":-41.13,"az":33.3,"t":"2031-01-06T17:25:00Z","terrain":0.85},{"above_terrain":false,"airmass":null,"alt":-40.61,"az":34.8,"t":"2031-01-06T17:30:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-40.06,"az":36.2,"t":"2031-01-06T17:35:00Z","terrain":0.0},{"above_terrain":false,"airmass":null,"alt":-39.5,"az":37.7,"t":"2031-01-06T17:40:00Z","terrain":-0.17},{"above_terrain":false,"airmass":null,"alt":-38.92,"az":39.1,"t":"2031-01-06T17:45:00Z","terrain":-0.15},{"above_terrain":false,"airmass":null,"alt":-38.32,"az":40.5,"t":"2031-01-06T17:50:00Z","terrain":-0.01},{"above_terrain":false,"airmass":null,"alt":-37.7,"az":41.9,"t":"2031-01-06T17:55:00Z","terrain":0.11},{"above_terrain":false,"airmass":null,"alt":-37.07,"az":43.3,"t":"2031-01-06T18:00:00Z","terrain":0.3},{"above_terrain":false,"airmass":null,"alt":-36.42,"az":44.6,"t":"2031-01-06T18:05:00Z","terrain":0.52},{"above_terrain":false,"airmass":null,"alt":-35.75,"az":45.9,"t":"2031-01-06T18:10:00Z","terrain":0.66},{"above_terrain":false,"airmass":null,"alt":-35.07,"az":47.2,"t":"2031-01-06T18:15:00Z","terrain":0.59},{"above_terrain":false,"airmass":null,"alt":-34.38,"az":48.5,"t":"2031-01-06T18:20:00Z","terrain":0.47},{"above_terrain":false,"airmass":null,"alt":-33.67,"az":49.7,"t":"2031-01-06T18:25:00Z","terrain":0.4},{"above_terrain":false,"airmass":null,"alt":-32.95,"az":51.0,"t":"2031-01-06T18:30:00Z","terrain":0.53},{"above_terrain":false,"airmass":null,"alt":-32.22,"az":52.2,"t":"2031-01-06T18:35:00Z","terrain":0.67},{"above_terrain":false,"airmass":null,"alt":-31.47,"az":53.4,"t":"2031-01-06T18:40:00Z","terrain":0.9},{"above_terrain":false,"airmass":null,"alt":-30.72,"az":54.5,"t":"2031-01-06T18:45:00Z","terrain":1.04},{"above_terrain":false,"airmass":null,"alt":-29.95,"az":55.7,"t":"2031-01-06T18:50:00Z","terrain":1.06},{"above_terrain":false,"airmass":null,"alt":-29.17,"az":56.8,"t":"2031-01-06T18:55:00Z","terrain":1.07},{"above_terrain":false,"airmass":null,"alt":-28.38,"az":57.9,"t":"2031-01-06T19:00:00Z","terrain":1.23},{"above_terrain":false,"airmass":null,"alt":-27.58,"az":59.0,"t":"2031-01-06T19:05:00Z","terrain":1.21},{"above_terrain":false,"airmass":null,"alt":-26.78,"az":60.1,"t":"2031-01-06T19:10:00Z","terrain":1.16},{"above_terrain":false,"airmass":null,"alt":-25.96,"az":61.1,"t":"2031-01-06T19:15:00Z","terrain":1.08},{"above_terrain":false,"airmass":null,"alt":-25.14,"az":62.2,"t":"2031-01-06T19:20:00Z","terrain":0.99},{"above_terrain":false,"airmass":null,"alt":-24.31,"az":63.2,"t":"2031-01-06T19:25:00Z","terrain":0.88},{"above_terrain":false,"airmass":null,"alt":-23.47,"az":64.2,"t":"2031-01-06T19:30:00Z","terrain":0.77},{"above_terrain":false,"airmass":null,"alt":-22.62,"az":65.2,"t":"2031-01-06T19:35:00Z","terrain":0.78},{"above_terrain":false,"airmass":null,"alt":-21.77,"az":66.2,"t":"2031-01-06T19:40:00Z","terrain":0.85},{"above_terrain":false,"airmass":null,"alt":-20.91,"az":67.2,"t":"2031-01-06T19:45:00Z","terrain":0.94},{"above_terrain":false,"airmass":null,"alt":-20.04,"az":68.2,"t":"2031-01-06T19:50:00Z","terrain":1.0},{"above_terrain":false,"airmass":null,"alt":-19.17,"az":69.1,"t":"2031-01-06T19:55:00Z","terrain":1.07},{"above_terrain":false,"airmass":null,"alt":-18.29,"az":70.1,"t":"2031-01-06T20:00:00Z","terrain":1.22},{"above_terrain":false,"airmass":null,"alt":-17.41,"az":71.0,"t":"2031-01-06T20:05:00Z","terrain":1.26},{"above_terrain":false,"airmass":null,"alt":-16.52,"az":71.9,"t":"2031-01-06T20:10:00Z","terrain":1.2},{"above_terrain":false,"airmass":null,"alt":-15.63,"az":72.8,"t":"2031-01-06T20:15:00Z","terrain":1.02},{"above_terrain":false,"airmass":null,"alt":-14.73,"az":73.8,"t":"2031-01-06T20:20:00Z","terrain":0.79},{"above_terrain":false,"airmass":null,"alt":-13.83,"az":74.7,"t":"2031-01-06T20:25:00Z","terrain":0.66},{"above_terrain":false,"airmass":null,"alt":-12.93,"az":75.5,"t":"2031-01-06T20:30:00Z","terrain":0.68},{"above_terrain":false,"airmass":null,"alt":-12.02,"az":76.4,"t":"2031-01-06T20:35:00Z","terrain":0.71},{"above_terrain":false,"airmass":null,"alt":-11.11,"az":77.3,"t":"2031-01-06T20:40:00Z","terrain":0.68},{"above_terrain":false,"airmass":null,"alt":-10.2,"az":78.2,"t":"2031-01-06T20:45:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-9.28,"az":79.0,"t":"2031-01-06T20:50:00Z","terrain":0.57},{"above_terrain":false,"airmass":null,"alt":-8.36,"az":79.9,"t":"2031-01-06T20:55:00Z","terrain":0.47},{"above_terrain":false,"airmass":null,"alt":-7.44,"az":80.8,"t":"2031-01-06T21:00:00Z","terrain":0.63},{"above_terrain":false,"airmass":null,"alt":-6.51,"az":81.6,"t":"2031-01-06T21:05:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-5.58,"az":82.5,"t":"2031-01-06T21:10:00Z","terrain":0.65},{"above_terrain":false,"airmass":null,"alt":-4.65,"az":83.3,"t":"2031-01-06T21:15:00Z","terrain":0.44},{"above_terrain":false,"airmass":null,"alt":-3.72,"az":84.1,"t":"2031-01-06T21:20:00Z","terrain":0.37},{"above_terrain":false,"airmass":null,"alt":-2.79,"az":85.0,"t":"2031-01-06T21:25:00Z","terrain":0.3},{"above_terrain":false,"airmass":null,"alt":-1.86,"az":85.8,"t":"2031-01-06T21:30:00Z","terrain":0.19},{"above_terrain":false,"airmass":null,"alt":-0.93,"az":86.7,"t":"2031-01-06T21:35:00Z","terrain":0.1},{"above_terrain":true,"airmass":37.79,"alt":0.01,"az":87.5,"t":"2031-01-06T21:40:00Z","terrain":0.0},{"above_terrain":true,"airmass":26.81,"alt":0.94,"az":88.3,"t":"2031-01-06T21:45:00Z","terrain":-0.11},{"above_terrain":true,"airmass":20.09,"alt":1.88,"az":89.2,"t":"2031-01-06T21:50:00Z","terrain":-0.2},{"above_terrain":true,"airmass":15.8,"alt":2.82,"az":90.0,"t":"2031-01-06T21:55:00Z","terrain":-0.22},{"above_terrain":true,"airmass":12.91,"alt":3.75,"az":90.8,"t":"2031-01-06T22:00:00Z","terrain":-0.11},{"above_terrain":true,"airmass":10.86,"alt":4.69,"az":91.7,"t":"2031-01-06T22:05:00Z","terrain":0.03},{"above_terrain":true,"airmass":9.34,"alt":5.62,"az":92.5,"t":"2031-01-06T22:10:00Z","terrain":0.21},{"above_terrain":true,"airmass":8.19,"alt":6.56,"az":93.3,"t":"2031-01-06T22:15:00Z","terrain":0.36},{"above_terrain":true,"airmass":7.27,"alt":7.49,"az":94.2,"t":"2031-01-06T22:20:00Z","terrain":0.4},{"above_terrain":true,"airmass":6.54,"alt":8.42,"az":95.0,"t":"2031-01-06T22:25:00Z","terrain":0.38},{"above_terrain":true,"airmass":5.94,"alt":9.36,"az":95.9,"t":"2031-01-06T22:30:00Z","terrain":0.53},{"above_terrain":true,"airmass":5.44,"alt":10.29,"az":96.7,"t":"2031-01-06T22:35:00Z","terrain":0.68},{"above_terrain":true,"airmass":5.02,"alt":11.22,"az":97.6,"t":"2031-01-06T22:40:00Z","terrain":0.7},{"above_terrain":true,"airmass":4.66,"alt":12.14,"az":98.4,"t":"2031-01-06T22:45:00Z","terrain":0.59},{"above_terrain":true,"airmass":4.35,"alt":13.07,"az":99.3,"t":"2031-01-06T22:50:00Z","terrain":0.42},{"above_terrain":true,"airmass":4.07,"alt":13.99,"az":100.2,"t":"2031-01-06T22:55:00Z","terrain":0.24},{"above_terrain":true,"airmass":3.83,"alt":14.91,"az":101.1,"t":"2031-01-06T23:00:00Z","terrain":0.07},{"above_terrain":true,"airmass":3.62,"alt":15.83,"az":101.9,"t":"2031-01-06T23:05:00Z","terrain":-0.03},{"above_terrain":true,"airmass":3.44,"alt":16.74,"az":102.8,"t":"2031-01-06T23:10:00Z","terrain":-0.19},{"above_terrain":true,"airmass":3.27,"alt":17.65,"az":103.7,"t":"2031-01-06T23:15:00Z","terrain":-0.05},{"above_terrain":true,"airmass":3.12,"alt":18.56,"az":104.6,"t":"2031-01-06T23:20:00Z","terrain":-0.13},{"above_terrain":true,"airmass":2.98,"alt":19.46,"az":105.6,"t":"2031-01-06T23:25:00Z","terrain":-0.45},{"above_terrain":true,"airmass":2.85,"alt":20.36,"az":106.5,"t":"2031-01-06T23:30:00Z","terrain":-0.63},{"above_terrain":true,"airmass":2.74,"alt":21.26,"az":107.4,"t":"2031-01-06T23:35:00Z","terrain":-0.74},{"above_terrain":true,"airmass":2.64,"alt":22.15,"az":108.4,"t":"2031-01-06T23:40:00Z","terrain":-1.03},{"above_terrain":true,"airmass":2.54,"alt":23.03,"az":109.3,"t":"2031-01-06T23:45:00Z","terrain":-1.18},{"above_terrain":true,"airmass":2.46,"alt":23.91,"az":110.3,"t":"2031-01-06T23:50:00Z","terrain":-1.2},{"above_terrain":true,"airmass":2.37,"alt":24.79,"az":111.3,"t":"2031-01-06T23:55:00Z","terrain":-1.34},{"above_terrain":true,"airmass":2.3,"alt":25.66,"az":112.3,"t":"2031-01-07T00:00:00Z","terrain":-1.4},{"above_terrain":true,"airmass":2.23,"alt":26.52,"az":113.3,"t":"2031-01-07T00:05:00Z","terrain":-1.49},{"above_terrain":true,"airmass":2.17,"alt":27.38,"az":114.3,"t":"2031-01-07T00:10:00Z","terrain":-1.59},{"above_terrain":true,"airmass":2.11,"alt":28.23,"az":115.4,"t":"2031-01-07T00:15:00Z","terrain":-1.5},{"above_terrain":true,"airmass":2.05,"alt":29.07,"az":116.4,"t":"2031-01-07T00:20:00Z","terrain":-1.54},{"above_terrain":true,"airmass":2.0,"alt":29.9,"az":117.5,"t":"2031-01-07T00:25:00Z","terrain":-1.53},{"above_terrain":true,"airmass":1.95,"alt":30.73,"az":118.6,"t":"2031-01-07T00:30:00Z","terrain":-1.45},{"above_terrain":true,"airmass":1.91,"alt":31.55,"az":119.7,"t":"2031-01-07T00:35:00Z","terrain":-1.31},{"above_terrain":true,"airmass":1.86,"alt":32.36,"az":120.8,"t":"2031-01-07T00:40:00Z","terrain":-1.25},{"above_terrain":true,"airmass":1.82,"alt":33.15,"az":122.0,"t":"2031-01-07T00:45:00Z","terrain":-1.19},{"above_terrain":true,"airmass":1.79,"alt":33.94,"az":123.1,"t":"2031-01-07T00:50:00Z","terrain":-1.4},{"above_terrain":true,"airmass":1.75,"alt":34.72,"az":124.3,"t":"2031-01-07T00:55:00Z","terrain":-1.53},{"above_terrain":true,"airmass":1.72,"alt":35.49,"az":125.5,"t":"2031-01-07T01:00:00Z","terrain":-1.62},{"above_terrain":true,"airmass":1.69,"alt":36.25,"az":126.8,"t":"2031-01-07T01:05:00Z","terrain":-1.55},{"above_terrain":true,"airmass":1.66,"alt":36.99,"az":128.0,"t":"2031-01-07T01:10:00Z","terrain":-1.4},{"above_terrain":true,"airmass":1.63,"alt":37.72,"az":129.3,"t":"2031-01-07T01:15:00Z","terrain":-1.26},{"above_terrain":true,"airmass":1.61,"alt":38.44,"az":130.6,"t":"2031-01-07T01:20:00Z","terrain":-1.63},{"above_terrain":true,"airmass":1.58,"alt":39.14,"az":131.9,"t":"2031-01-07T01:25:00Z","terrain":-1.64},{"above_terrain":true,"airmass":1.56,"alt":39.83,"az":133.3,"t":"2031-01-07T01:30:00Z","terrain":-1.63},{"above_terrain":true,"airmass":1.54,"alt":40.5,"az":134.7,"t":"2031-01-07T01:35:00Z","terrain":-1.39},{"above_terrain":true,"airmass":1.52,"alt":41.16,"az":136.1,"t":"2031-01-07T01:40:00Z","terrain":-1.19},{"above_terrain":true,"airmass":1.5,"alt":41.8,"az":137.5,"t":"2031-01-07T01:45:00Z","terrain":-1.18},{"above_terrain":true,"airmass":1.48,"alt":42.42,"az":139.0,"t":"2031-01-07T01:50:00Z","terrain":-1.33},{"above_terrain":true,"airmass":1.46,"alt":43.03,"az":140.5,"t":"2031-01-07T01:55:00Z","terrain":-1.22},{"above_terrain":true,"airmass":1.45,"alt":43.62,"az":142.0,"t":"2031-01-07T02:00:00Z","terrain":-1.32},{"above_terrain":true,"airmass":1.43,"alt":44.18,"az":143.5,"t":"2031-01-07T02:05:00Z","terrain":-1.35},{"above_terrain":true,"airmass":1.42,"alt":44.73,"az":145.1,"t":"2031-01-07T02:10:00Z","terrain":-1.49},{"above_terrain":true,"airmass":1.41,"alt":45.25,"az":146.7,"t":"2031-01-07T02:15:00Z","terrain":-1.36},{"above_terrain":true,"airmass":1.39,"alt":45.75,"az":148.4,"t":"2031-01-07T02:20:00Z","terrain":-1.44},{"above_terrain":true,"airmass":1.38,"alt":46.23,"az":150.0,"t":"2031-01-07T02:25:00Z","terrain":-1.18},{"above_terrain":true,"airmass":1.37,"alt":46.69,"az":151.7,"t":"2031-01-07T02:30:00Z","terrain":-1.25},{"above_terrain":true,"airmass":1.36,"alt":47.12,"az":153.5,"t":"2031-01-07T02:35:00Z","terrain":-0.97},{"above_terrain":true,"airmass":1.35,"alt":47.52,"az":155.2,"t":"2031-01-07T02:40:00Z","terrain":-1.12},{"above_terrain":true,"airmass":1.35,"alt":47.9,"az":157.0,"t":"2031-01-07T02:45:00Z","terrain":-1.09},{"above_terrain":true,"airmass":1.34,"alt":48.26,"az":158.8,"t":"2031-01-07T02:50:00Z","terrain":-1.28},{"above_terrain":true,"airmass":1.33,"alt":48.58,"az":160.6,"t":"2031-01-07T02:55:00Z","terrain":-1.06},{"above_terrain":true,"airmass":1.33,"alt":48.88,"az":162.4,"t":"2031-01-07T03:00:00Z","terrain":-1.37},{"above_terrain":true,"airmass":1.32,"alt":49.15,"az":164.3,"t":"2031-01-07T03:05:00Z","terrain":-1.49},{"above_terrain":true,"airmass":1.32,"alt":49.38,"az":166.2,"t":"2031-01-07T03:10:00Z","terrain":-1.23},{"above_terrain":true,"airmass":1.31,"alt":49.59,"az":168.1,"t":"2031-01-07T03:15:00Z","terrain":-0.94},{"above_terrain":true,"airmass":1.31,"alt":49.77,"az":170.0,"t":"2031-01-07T03:20:00Z","terrain":-0.59},{"above_terrain":true,"airmass":1.31,"alt":49.92,"az":171.9,"t":"2031-01-07T03:25:00Z","terrain":-0.58},{"above_terrain":true,"airmass":1.3,"alt":50.03,"az":173.9,"t":"2031-01-07T03:30:00Z","terrain":-0.4},{"above_terrain":true,"airmass":1.3,"alt":50.12,"az":175.8,"t":"2031-01-07T03:35:00Z","terrain":-0.42},{"above_terrain":true,"airmass":1.3,"alt":50.17,"az":177.8,"t":"2031-01-07T03:40:00Z","terrain":-0.39},{"above_terrain":true,"airmass":1.3,"alt":50.19,"az":179.7,"t":"2031-01-07T03:45:00Z","terrain":-0.52},{"above_terrain":true,"airmass":1.3,"alt":50.18,"az":181.7,"t":"2031-01-07T03:50:00Z","terrain":-0.66},{"above_terrain":true,"airmass":1.3,"alt":50.13,"az":183.7,"t":"2031-01-07T03:55:00Z","terrain":-0.6},{"above_terrain":true,"airmass":1.3,"alt":50.06,"az":185.6,"t":"2031-01-07T04:00:00Z","terrain":-0.68},{"above_terrain":true,"airmass":1.31,"alt":49.95,"az":187.5,"t":"2031-01-07T04:05:00Z","terrain":-0.64},{"above_terrain":true,"airmass":1.31,"alt":49.81,"az":189.5,"t":"2031-01-07T04:10:00Z","terrain":-0.58},{"above_terrain":true,"airmass":1.31,"alt":49.64,"az":191.4,"t":"2031-01-07T04:15:00Z","terrain":-0.44},{"above_terrain":true,"airmass":1.32,"alt":49.44,"az":193.3,"t":"2031-01-07T04:20:00Z","terrain":-0.46},{"above_terrain":true,"airmass":1.32,"alt":49.21,"az":195.2,"t":"2031-01-07T04:25:00Z","terrain":-0.47},{"above_terrain":true,"airmass":1.32,"alt":48.95,"az":197.1,"t":"2031-01-07T04:30:00Z","terrain":-0.43},{"above_terrain":true,"airmass":1.33,"alt":48.66,"az":198.9,"t":"2031-01-07T04:35:00Z","terrain":-0.33},{"above_terrain":true,"airmass":1.34,"alt":48.34,"az":200.7,"t":"2031-01-07T04:40:00Z","terrain":-0.45},{"above_terrain":true,"airmass":1.34,"alt":48.0,"az":202.5,"t":"2031-01-07T04:45:00Z","terrain":-0.57},{"above_terrain":true,"airmass":1.35,"alt":47.63,"az":204.3,"t":"2031-01-07T04:50:00Z","terrain":-0.43},{"above_terrain":true,"airmass":1.36,"alt":47.23,"az":206.1,"t":"2031-01-07T04:55:00Z","terrain":0.09},{"above_terrain":true,"airmass":1.37,"alt":46.8,"az":207.8,"t":"2031-01-07T05:00:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.38,"alt":46.36,"az":209.5,"t":"2031-01-07T05:05:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.39,"alt":45.88,"az":211.2,"t":"2031-01-07T05:10:00Z","terrain":0.75},{"above_terrain":true,"airmass":1.4,"alt":45.39,"az":212.8,"t":"2031-01-07T05:15:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.42,"alt":44.87,"az":214.5,"t":"2031-01-07T05:20:00Z","terrain":0.65},{"above_terrain":true,"airmass":1.43,"alt":44.33,"az":216.0,"t":"2031-01-07T05:25:00Z","terrain":0.67},{"above_terrain":true,"airmass":1.44,"alt":43.77,"az":217.6,"t":"2031-01-07T05:30:00Z","terrain":1.16},{"above_terrain":true,"airmass":1.46,"alt":43.19,"az":219.1,"t":"2031-01-07T05:35:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.48,"alt":42.59,"az":220.6,"t":"2031-01-07T05:40:00Z","terrain":1.16},{"above_terrain":true,"airmass":1.49,"alt":41.97,"az":222.1,"t":"2031-01-07T05:45:00Z","terrain":1.04},{"above_terrain":true,"airmass":1.51,"alt":41.33,"az":223.5,"t":"2031-01-07T05:50:00Z","terrain":0.5},{"above_terrain":true,"airmass":1.53,"alt":40.68,"az":225.0,"t":"2031-01-07T05:55:00Z","terrain":0.38},{"above_terrain":true,"airmass":1.55,"alt":40.01,"az":226.4,"t":"2031-01-07T06:00:00Z","terrain":0.74},{"above_terrain":true,"airmass":1.58,"alt":39.32,"az":227.7,"t":"2031-01-07T06:05:00Z","terrain":1.09},{"above_terrain":true,"airmass":1.6,"alt":38.62,"az":229.0,"t":"2031-01-07T06:10:00Z","terrain":1.3},{"above_terrain":true,"airmass":1.62,"alt":37.91,"az":230.4,"t":"2031-01-07T06:15:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.65,"alt":37.18,"az":231.6,"t":"2031-01-07T06:20:00Z","terrain":0.89},{"above_terrain":true,"airmass":1.68,"alt":36.44,"az":232.9,"t":"2031-01-07T06:25:00Z","terrain":0.82},{"above_terrain":true,"airmass":1.71,"alt":35.69,"az":234.1,"t":"2031-01-07T06:30:00Z","terrain":0.84},{"above_terrain":true,"airmass":1.74,"alt":34.92,"az":235.4,"t":"2031-01-07T06:35:00Z","terrain":0.91},{"above_terrain":true,"airmass":1.78,"alt":34.15,"az":236.6,"t":"2031-01-07T06:40:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.81,"alt":33.36,"az":237.7,"t":"2031-01-07T06:45:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.85,"alt":32.57,"az":238.9,"t":"2031-01-07T06:50:00Z","terrain":0.53},{"above_terrain":true,"airmass":1.9,"alt":31.76,"az":240.0,"t":"2031-01-07T06:55:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.94,"alt":30.95,"az":241.1,"t":"2031-01-07T07:00:00Z","terrain":0.78},{"above_terrain":true,"airmass":1.99,"alt":30.12,"az":242.2,"t":"2031-01-07T07:05:00Z","terrain":1.03},{"above_terrain":true,"airmass":2.04,"alt":29.29,"az":243.3,"t":"2031-01-07T07:10:00Z","terrain":0.99},{"above_terrain":true,"airmass":2.09,"alt":28.45,"az":244.4,"t":"2031-01-07T07:15:00Z","terrain":0.96},{"above_terrain":true,"airmass":2.15,"alt":27.6,"az":245.4,"t":"2031-01-07T07:20:00Z","terrain":1.07},{"above_terrain":true,"airmass":2.21,"alt":26.75,"az":246.4,"t":"2031-01-07T07:25:00Z","terrain":1.11},{"above_terrain":true,"airmass":2.28,"alt":25.89,"az":247.5,"t":"2031-01-07T07:30:00Z","terrain":0.82},{"above_terrain":true,"airmass":2.35,"alt":25.02,"az":248.5,"t":"2031-01-07T07:35:00Z","terrain":0.54},{"above_terrain":true,"airmass":2.43,"alt":24.14,"az":249.4,"t":"2031-01-07T07:40:00Z","terrain":0.53},{"above_terrain":true,"airmass":2.52,"alt":23.27,"az":250.4,"t":"2031-01-07T07:45:00Z","terrain":0.57},{"above_terrain":true,"airmass":2.61,"alt":22.38,"az":251.4,"t":"2031-01-07T07:50:00Z","terrain":0.42},{"above_terrain":true,"airmass":2.71,"alt":21.49,"az":252.3,"t":"2031-01-07T07:55:00Z","terrain":0.2},{"above_terrain":true,"airmass":2.82,"alt":20.6,"az":253.3,"t":"2031-01-07T08:00:00Z","terrain":0.17},{"above_terrain":true,"airmass":2.94,"alt":19.7,"az":254.2,"t":"2031-01-07T08:05:00Z","terrain":0.18},{"above_terrain":true,"airmass":3.08,"alt":18.8,"az":255.1,"t":"2031-01-07T08:10:00Z","terrain":0.26},{"above_terrain":true,"airmass":3.23,"alt":17.89,"az":256.0,"t":"2031-01-07T08:15:00Z","terrain":0.39},{"above_terrain":true,"airmass":3.39,"alt":16.98,"az":256.9,"t":"2031-01-07T08:20:00Z","terrain":0.43},{"above_terrain":true,"airmass":3.57,"alt":16.07,"az":257.8,"t":"2031-01-07T08:25:00Z","terrain":0.37},{"above_terrain":true,"airmass":3.78,"alt":15.15,"az":258.7,"t":"2031-01-07T08:30:00Z","terrain":0.45},{"above_terrain":true,"airmass":4.01,"alt":14.23,"az":259.6,"t":"2031-01-07T08:35:00Z","terrain":0.53},{"above_terrain":true,"airmass":4.27,"alt":13.31,"az":260.5,"t":"2031-01-07T08:40:00Z","terrain":0.69},{"above_terrain":true,"airmass":4.57,"alt":12.39,"az":261.3,"t":"2031-01-07T08:45:00Z","terrain":0.89},{"above_terrain":true,"airmass":4.92,"alt":11.46,"az":262.2,"t":"2031-01-07T08:50:00Z","terrain":0.95},{"above_terrain":true,"airmass":5.32,"alt":10.53,"az":263.1,"t":"2031-01-07T08:55:00Z","terrain":0.79},{"above_terrain":true,"airmass":5.8,"alt":9.6,"az":263.9,"t":"2031-01-07T09:00:00Z","terrain":0.55},{"above_terrain":true,"airmass":6.37,"alt":8.67,"az":264.8,"t":"2031-01-07T09:05:00Z","terrain":0.42},{"above_terrain":true,"airmass":7.07,"alt":7.74,"az":265.6,"t":"2031-01-07T09:10:00Z","terrain":0.44},{"above_terrain":true,"airmass":7.93,"alt":6.8,"az":266.4,"t":"2031-01-07T09:15:00Z","terrain":0.51},{"above_terrain":true,"airmass":9.01,"alt":5.87,"az":267.3,"t":"2031-01-07T09:20:00Z","terrain":0.59},{"above_terrain":true,"airmass":10.42,"alt":4.93,"az":268.1,"t":"2031-01-07T09:25:00Z","terrain":0.66},{"above_terrain":true,"airmass":12.31,"alt":4.0,"az":269.0,"t":"2031-01-07T09:30:00Z","terrain":0.75},{"above_terrain":true,"airmass":14.94,"alt":3.06,"az":269.8,"t":"2031-01-07T09:35:00Z","terrain":0.87},{"above_terrain":true,"airmass":18.78,"alt":2.13,"az":270.6,"t":"2031-01-07T09:40:00Z","terrain":0.82},{"above_terrain":true,"airmass":24.72,"alt":1.19,"az":271.5,"t":"2031-01-07T09:45:00Z","terrain":0.61},{"above_terrain":false,"airmass":34.36,"alt":0.25,"az":272.3,"t":"2031-01-07T09:50:00Z","terrain":0.34},{"above_terrain":false,"airmass":null,"alt":-0.68,"az":273.1,"t":"2031-01-07T09:55:00Z","terrain":0.12},{"above_terrain":false,"airmass":null,"alt":-1.61,"az":274.0,"t":"2031-01-07T10:00:00Z","terrain":-0.02}],"transit":{"airmass":1.3,"alt":50.2,"az":179.7,"t":"2031-01-07T03:45:00Z"},"usable_hours":4.67,"verdict":"good","zenith_passage":false},"warnings":["No cloud data for this night (beyond the 4-day forecast, or not yet in the archive) \u2014 the score is geometry only."]}