{"assessment":{"best_window":{"end":"2046-01-31T20:30Z","end_local":"22:30","hours":3.25,"label":"good","mean_quality":0.86,"start":"2046-01-31T17:15Z","start_local":"19:15"},"cost":{"altitude":8.02,"clouds":0.0,"darkness":1.29,"moon":0.0},"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":72,"cloud":null,"high":null,"iso":"2046-01-31T16:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-59,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"18:00","wind":null},{"alt":61,"cloud":null,"high":null,"iso":"2046-01-31T17:00Z","label":"marginal","low":null,"mid":null,"moon_alt":-68,"precip":null,"q":0.5,"rh":null,"sky":"astronomical twilight","temp":null,"time":"19:00","wind":null},{"alt":50,"cloud":null,"high":null,"iso":"2046-01-31T18:00Z","label":"good","low":null,"mid":null,"moon_alt":-75,"precip":null,"q":0.93,"rh":null,"sky":"night","temp":null,"time":"20:00","wind":null},{"alt":39,"cloud":null,"high":null,"iso":"2046-01-31T19:00Z","label":"good","low":null,"mid":null,"moon_alt":-74,"precip":null,"q":0.86,"rh":null,"sky":"night","temp":null,"time":"21:00","wind":null},{"alt":30,"cloud":null,"high":null,"iso":"2046-01-31T20:00Z","label":"good","low":null,"mid":null,"moon_alt":-66,"precip":null,"q":0.78,"rh":null,"sky":"night","temp":null,"time":"22:00","wind":null},{"alt":20,"cloud":null,"high":null,"iso":"2046-01-31T21:00Z","label":"marginal","low":null,"mid":null,"moon_alt":-56,"precip":null,"q":0.41,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":12,"cloud":null,"high":null,"iso":"2046-01-31T22:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-46,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":5,"cloud":null,"high":null,"iso":"2046-01-31T23:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-35,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":-1,"cloud":null,"high":null,"iso":"2046-02-01T00:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-25,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":-5,"cloud":null,"high":null,"iso":"2046-02-01T01:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-15,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":-7,"cloud":null,"high":null,"iso":"2046-02-01T02:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-5,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":-6,"cloud":null,"high":null,"iso":"2046-02-01T03:00Z","label":"unusable","low":null,"mid":null,"moon_alt":3,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"05:00","wind":null},{"alt":-4,"cloud":null,"high":null,"iso":"2046-02-01T04:00Z","label":"unusable","low":null,"mid":null,"moon_alt":10,"precip":null,"q":0.0,"rh":null,"sky":"astronomical twilight","temp":null,"time":"06:00","wind":null},{"alt":1,"cloud":null,"high":null,"iso":"2046-02-01T05:00Z","label":"unusable","low":null,"mid":null,"moon_alt":16,"precip":null,"q":0.0,"rh":null,"sky":"nautical twilight","temp":null,"time":"07:00","wind":null}],"peak_quality":0.99,"peak_sky":0.99,"quality_hours":3.48,"reasons":["the target being low or below 20\u00b0 cost 8.0 quality-hours","daylight and twilight cost 1.3 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":86,"score_weather":null,"sky_hours":3.48,"verdict":"unknown","verdict_astronomy":"good","weather_known":false,"windows":[{"end":"2046-01-31T16:05Z","end_local":"18:05","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2046-01-31T15:35Z","start_local":"17:35"},{"end":"2046-01-31T16:40Z","end_local":"18:40","hours":0.58,"label":"poor","mean_quality":0.15,"start":"2046-01-31T16:05Z","start_local":"18:05"},{"end":"2046-01-31T17:15Z","end_local":"19:15","hours":0.58,"label":"marginal","mean_quality":0.5,"start":"2046-01-31T16:40Z","start_local":"18:40"},{"end":"2046-01-31T20:30Z","end_local":"22:30","hours":3.25,"label":"good","mean_quality":0.86,"start":"2046-01-31T17:15Z","start_local":"19:15"},{"end":"2046-01-31T21:05Z","end_local":"23:05","hours":0.58,"label":"marginal","mean_quality":0.5,"start":"2046-01-31T20:30Z","start_local":"22:30"},{"end":"2046-02-01T05:35Z","end_local":"07:35","hours":8.5,"label":"unusable","mean_quality":0.0,"start":"2046-01-31T21:05Z","start_local":"23:05"}]},"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":"2046-01-31T17:10:44Z","dark_hours":10.79,"dark_to":"2046-02-01T03:57:50Z","moon":{"illumination":0.224,"phase":"waning crescent","waxing":false},"moon_free_dark_hours":9.43,"moonrise":"2046-02-01T02:37:23Z","moonset":"2046-01-31T10:11:32Z","sunrise":"2046-02-01T05:33:07Z","sunset":"2046-01-31T15:35:14Z","twilight":{"astronomical":{"end":"2046-01-31T17:10:44Z","start":"2046-02-01T03:57:50Z"},"civil":{"end":"2046-01-31T16:04:45Z","start":"2046-02-01T05:03:41Z"},"nautical":{"end":"2046-01-31T16:38:05Z","start":"2046-02-01T04:30:26Z"}},"window_end":"2046-02-01T10:00:00Z","window_start":"2046-01-31T10:00:00Z"},"night_date":"2046-01-31","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.18,"alt":58.0,"t":"2046-01-31T17:15:00Z"},"dec":41.26875,"dec_of_date":41.5206,"dec_str":"+41\u00b0 16' 07.5\"","good_hours":2.75,"limit_rise":"2046-02-01T07:38:49Z","limit_set":"2046-01-31T21:02:05Z","max_az_rate_deg_per_min":28.0,"moon_separation":126.9,"never_rises":false,"ra":10.68470833,"ra_of_date":11.3184,"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":"Only 2.8 h above 30\u00b0, 3.8 h above 20\u00b0 \u2014 usable, at high airmass.","terrain":{"available":true,"behind_at":"2046-01-31T23:50:39Z","blocked_dark_hours":0,"clears_at":"2046-02-01T05:03:54Z","rise_az":66.9},"track":[{"above_terrain":true,"airmass":1.49,"alt":42.09,"az":66.9,"t":"2046-01-31T10:00:00Z","terrain":0.92},{"above_terrain":true,"airmass":1.47,"alt":42.95,"az":67.4,"t":"2046-01-31T10:05:00Z","terrain":0.96},{"above_terrain":true,"airmass":1.44,"alt":43.81,"az":67.9,"t":"2046-01-31T10:10:00Z","terrain":0.99},{"above_terrain":true,"airmass":1.42,"alt":44.68,"az":68.4,"t":"2046-01-31T10:15:00Z","terrain":1.02},{"above_terrain":true,"airmass":1.4,"alt":45.55,"az":68.9,"t":"2046-01-31T10:20:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.38,"alt":46.43,"az":69.4,"t":"2046-01-31T10:25:00Z","terrain":1.12},{"above_terrain":true,"airmass":1.36,"alt":47.31,"az":69.9,"t":"2046-01-31T10:30:00Z","terrain":1.2},{"above_terrain":true,"airmass":1.34,"alt":48.19,"az":70.4,"t":"2046-01-31T10:35:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.32,"alt":49.07,"az":70.9,"t":"2046-01-31T10:40:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.31,"alt":49.96,"az":71.3,"t":"2046-01-31T10:45:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.29,"alt":50.84,"az":71.8,"t":"2046-01-31T10:50:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.27,"alt":51.73,"az":72.3,"t":"2046-01-31T10:55:00Z","terrain":1.14},{"above_terrain":true,"airmass":1.26,"alt":52.63,"az":72.8,"t":"2046-01-31T11:00:00Z","terrain":1.04},{"above_terrain":true,"airmass":1.24,"alt":53.52,"az":73.2,"t":"2046-01-31T11:05:00Z","terrain":0.93},{"above_terrain":true,"airmass":1.23,"alt":54.42,"az":73.7,"t":"2046-01-31T11:10:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.22,"alt":55.32,"az":74.2,"t":"2046-01-31T11:15:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.2,"alt":56.22,"az":74.6,"t":"2046-01-31T11:20:00Z","terrain":0.67},{"above_terrain":true,"airmass":1.19,"alt":57.12,"az":75.1,"t":"2046-01-31T11:25:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.18,"alt":58.03,"az":75.6,"t":"2046-01-31T11:30:00Z","terrain":0.68},{"above_terrain":true,"airmass":1.17,"alt":58.94,"az":76.0,"t":"2046-01-31T11:35:00Z","terrain":0.72},{"above_terrain":true,"airmass":1.16,"alt":59.85,"az":76.5,"t":"2046-01-31T11:40:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.15,"alt":60.76,"az":76.9,"t":"2046-01-31T11:45:00Z","terrain":0.7},{"above_terrain":true,"airmass":1.14,"alt":61.67,"az":77.4,"t":"2046-01-31T11:50:00Z","terrain":0.67},{"above_terrain":true,"airmass":1.13,"alt":62.58,"az":77.8,"t":"2046-01-31T11:55:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.12,"alt":63.5,"az":78.3,"t":"2046-01-31T12:00:00Z","terrain":0.61},{"above_terrain":true,"airmass":1.11,"alt":64.42,"az":78.7,"t":"2046-01-31T12:05:00Z","terrain":0.59},{"above_terrain":true,"airmass":1.1,"alt":65.33,"az":79.2,"t":"2046-01-31T12:10:00Z","terrain":0.55},{"above_terrain":true,"airmass":1.09,"alt":66.25,"az":79.6,"t":"2046-01-31T12:15:00Z","terrain":0.5},{"above_terrain":true,"airmass":1.08,"alt":67.18,"az":80.1,"t":"2046-01-31T12:20:00Z","terrain":0.48},{"above_terrain":true,"airmass":1.08,"alt":68.1,"az":80.5,"t":"2046-01-31T12:25:00Z","terrain":0.58},{"above_terrain":true,"airmass":1.07,"alt":69.02,"az":81.0,"t":"2046-01-31T12:30:00Z","terrain":0.68},{"above_terrain":true,"airmass":1.06,"alt":69.95,"az":81.4,"t":"2046-01-31T12:35:00Z","terrain":0.73},{"above_terrain":true,"airmass":1.06,"alt":70.87,"az":81.9,"t":"2046-01-31T12:40:00Z","terrain":0.79},{"above_terrain":true,"airmass":1.05,"alt":71.8,"az":82.4,"t":"2046-01-31T12:45:00Z","terrain":0.68},{"above_terrain":true,"airmass":1.05,"alt":72.73,"az":82.8,"t":"2046-01-31T12:50:00Z","terrain":0.53},{"above_terrain":true,"airmass":1.04,"alt":73.66,"az":83.3,"t":"2046-01-31T12:55:00Z","terrain":0.45},{"above_terrain":true,"airmass":1.04,"alt":74.59,"az":83.7,"t":"2046-01-31T13:00:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.03,"alt":75.52,"az":84.2,"t":"2046-01-31T13:05:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.03,"alt":76.45,"az":84.7,"t":"2046-01-31T13:10:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.02,"alt":77.38,"az":85.1,"t":"2046-01-31T13:15:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.02,"alt":78.31,"az":85.6,"t":"2046-01-31T13:20:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.02,"alt":79.25,"az":86.1,"t":"2046-01-31T13:25:00Z","terrain":0.16},{"above_terrain":true,"airmass":1.01,"alt":80.18,"az":86.6,"t":"2046-01-31T13:30:00Z","terrain":0.11},{"above_terrain":true,"airmass":1.01,"alt":81.12,"az":87.2,"t":"2046-01-31T13:35:00Z","terrain":0.05},{"above_terrain":true,"airmass":1.01,"alt":82.05,"az":87.7,"t":"2046-01-31T13:40:00Z","terrain":-0.03},{"above_terrain":true,"airmass":1.01,"alt":82.99,"az":88.3,"t":"2046-01-31T13:45:00Z","terrain":-0.11},{"above_terrain":true,"airmass":1.01,"alt":83.92,"az":88.9,"t":"2046-01-31T13:50:00Z","terrain":-0.19},{"above_terrain":true,"airmass":1.0,"alt":84.86,"az":89.6,"t":"2046-01-31T13:55:00Z","terrain":-0.21},{"above_terrain":true,"airmass":1.0,"alt":85.79,"az":90.5,"t":"2046-01-31T14:00:00Z","terrain":-0.16},{"above_terrain":true,"airmass":1.0,"alt":86.73,"az":91.6,"t":"2046-01-31T14:05:00Z","terrain":0.02},{"above_terrain":true,"airmass":1.0,"alt":87.67,"az":93.2,"t":"2046-01-31T14:10:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.0,"alt":88.6,"az":96.4,"t":"2046-01-31T14:15:00Z","terrain":0.63},{"above_terrain":true,"airmass":1.0,"alt":89.51,"az":110.6,"t":"2046-01-31T14:20:00Z","terrain":-1.26},{"above_terrain":true,"airmass":1.0,"alt":89.49,"az":250.6,"t":"2046-01-31T14:25:00Z","terrain":0.57},{"above_terrain":true,"airmass":1.0,"alt":88.57,"az":263.7,"t":"2046-01-31T14:30:00Z","terrain":0.6},{"above_terrain":true,"airmass":1.0,"alt":87.64,"az":266.9,"t":"2046-01-31T14:35:00Z","terrain":0.56},{"above_terrain":true,"airmass":1.0,"alt":86.7,"az":268.5,"t":"2046-01-31T14:40:00Z","terrain":0.7},{"above_terrain":true,"airmass":1.0,"alt":85.76,"az":269.5,"t":"2046-01-31T14:45:00Z","terrain":0.83},{"above_terrain":true,"airmass":1.0,"alt":84.83,"az":270.4,"t":"2046-01-31T14:50:00Z","terrain":0.85},{"above_terrain":true,"airmass":1.01,"alt":83.89,"az":271.1,"t":"2046-01-31T14:55:00Z","terrain":0.74},{"above_terrain":true,"airmass":1.01,"alt":82.96,"az":271.7,"t":"2046-01-31T15:00:00Z","terrain":0.52},{"above_terrain":true,"airmass":1.01,"alt":82.02,"az":272.3,"t":"2046-01-31T15:05:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.01,"alt":81.09,"az":272.9,"t":"2046-01-31T15:10:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.01,"alt":80.15,"az":273.4,"t":"2046-01-31T15:15:00Z","terrain":0.07},{"above_terrain":true,"airmass":1.02,"alt":79.22,"az":273.9,"t":"2046-01-31T15:20:00Z","terrain":-0.01},{"above_terrain":true,"airmass":1.02,"alt":78.28,"az":274.4,"t":"2046-01-31T15:25:00Z","terrain":0.02},{"above_terrain":true,"airmass":1.02,"alt":77.35,"az":274.9,"t":"2046-01-31T15:30:00Z","terrain":0.07},{"above_terrain":true,"airmass":1.03,"alt":76.42,"az":275.3,"t":"2046-01-31T15:35:00Z","terrain":0.06},{"above_terrain":true,"airmass":1.03,"alt":75.49,"az":275.8,"t":"2046-01-31T15:40:00Z","terrain":0.01},{"above_terrain":true,"airmass":1.04,"alt":74.56,"az":276.3,"t":"2046-01-31T15:45:00Z","terrain":-0.05},{"above_terrain":true,"airmass":1.04,"alt":73.63,"az":276.7,"t":"2046-01-31T15:50:00Z","terrain":-0.11},{"above_terrain":true,"airmass":1.05,"alt":72.7,"az":277.2,"t":"2046-01-31T15:55:00Z","terrain":-0.13},{"above_terrain":true,"airmass":1.05,"alt":71.77,"az":277.7,"t":"2046-01-31T16:00:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.06,"alt":70.84,"az":278.1,"t":"2046-01-31T16:05:00Z","terrain":-0.07},{"above_terrain":true,"airmass":1.06,"alt":69.92,"az":278.6,"t":"2046-01-31T16:10:00Z","terrain":-0.05},{"above_terrain":true,"airmass":1.07,"alt":68.99,"az":279.0,"t":"2046-01-31T16:15:00Z","terrain":-0.02},{"above_terrain":true,"airmass":1.08,"alt":68.07,"az":279.5,"t":"2046-01-31T16:20:00Z","terrain":-0.07},{"above_terrain":true,"airmass":1.08,"alt":67.15,"az":279.9,"t":"2046-01-31T16:25:00Z","terrain":-0.12},{"above_terrain":true,"airmass":1.09,"alt":66.22,"az":280.4,"t":"2046-01-31T16:30:00Z","terrain":-0.07},{"above_terrain":true,"airmass":1.1,"alt":65.3,"az":280.8,"t":"2046-01-31T16:35:00Z","terrain":0.0},{"above_terrain":true,"airmass":1.11,"alt":64.39,"az":281.3,"t":"2046-01-31T16:40:00Z","terrain":-0.01},{"above_terrain":true,"airmass":1.12,"alt":63.47,"az":281.7,"t":"2046-01-31T16:45:00Z","terrain":-0.09},{"above_terrain":true,"airmass":1.13,"alt":62.55,"az":282.2,"t":"2046-01-31T16:50:00Z","terrain":-0.11},{"above_terrain":true,"airmass":1.14,"alt":61.64,"az":282.6,"t":"2046-01-31T16:55:00Z","terrain":-0.05},{"above_terrain":true,"airmass":1.15,"alt":60.73,"az":283.1,"t":"2046-01-31T17:00:00Z","terrain":0.0},{"above_terrain":true,"airmass":1.16,"alt":59.82,"az":283.5,"t":"2046-01-31T17:05:00Z","terrain":0.06},{"above_terrain":true,"airmass":1.17,"alt":58.91,"az":284.0,"t":"2046-01-31T17:10:00Z","terrain":0.12},{"above_terrain":true,"airmass":1.18,"alt":58.0,"az":284.5,"t":"2046-01-31T17:15:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.19,"alt":57.09,"az":284.9,"t":"2046-01-31T17:20:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.2,"alt":56.19,"az":285.4,"t":"2046-01-31T17:25:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.22,"alt":55.29,"az":285.8,"t":"2046-01-31T17:30:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.23,"alt":54.39,"az":286.3,"t":"2046-01-31T17:35:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.24,"alt":53.49,"az":286.8,"t":"2046-01-31T17:40:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.26,"alt":52.6,"az":287.3,"t":"2046-01-31T17:45:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.27,"alt":51.71,"az":287.7,"t":"2046-01-31T17:50:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.29,"alt":50.81,"az":288.2,"t":"2046-01-31T17:55:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.31,"alt":49.93,"az":288.7,"t":"2046-01-31T18:00:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.32,"alt":49.04,"az":289.2,"t":"2046-01-31T18:05:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.34,"alt":48.16,"az":289.6,"t":"2046-01-31T18:10:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.36,"alt":47.28,"az":290.1,"t":"2046-01-31T18:15:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.38,"alt":46.4,"az":290.6,"t":"2046-01-31T18:20:00Z","terrain":0.41},{"above_terrain":true,"airmass":1.4,"alt":45.53,"az":291.1,"t":"2046-01-31T18:25:00Z","terrain":0.5},{"above_terrain":true,"airmass":1.42,"alt":44.65,"az":291.6,"t":"2046-01-31T18:30:00Z","terrain":0.53},{"above_terrain":true,"airmass":1.44,"alt":43.79,"az":292.1,"t":"2046-01-31T18:35:00Z","terrain":0.53},{"above_terrain":true,"airmass":1.47,"alt":42.92,"az":292.6,"t":"2046-01-31T18:40:00Z","terrain":0.39},{"above_terrain":true,"airmass":1.49,"alt":42.06,"az":293.1,"t":"2046-01-31T18:45:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.52,"alt":41.2,"az":293.6,"t":"2046-01-31T18:50:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.54,"alt":40.34,"az":294.1,"t":"2046-01-31T18:55:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.57,"alt":39.49,"az":294.6,"t":"2046-01-31T19:00:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.6,"alt":38.64,"az":295.1,"t":"2046-01-31T19:05:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.63,"alt":37.79,"az":295.6,"t":"2046-01-31T19:10:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.66,"alt":36.95,"az":296.2,"t":"2046-01-31T19:15:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.69,"alt":36.11,"az":296.7,"t":"2046-01-31T19:20:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.73,"alt":35.28,"az":297.2,"t":"2046-01-31T19:25:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.76,"alt":34.45,"az":297.7,"t":"2046-01-31T19:30:00Z","terrain":0.16},{"above_terrain":true,"airmass":1.8,"alt":33.62,"az":298.3,"t":"2046-01-31T19:35:00Z","terrain":0.13},{"above_terrain":true,"airmass":1.84,"alt":32.8,"az":298.8,"t":"2046-01-31T19:40:00Z","terrain":0.16},{"above_terrain":true,"airmass":1.88,"alt":31.98,"az":299.4,"t":"2046-01-31T19:45:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.93,"alt":31.17,"az":299.9,"t":"2046-01-31T19:50:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.97,"alt":30.36,"az":300.5,"t":"2046-01-31T19:55:00Z","terrain":0.35},{"above_terrain":true,"airmass":2.02,"alt":29.56,"az":301.0,"t":"2046-01-31T20:00:00Z","terrain":0.31},{"above_terrain":true,"airmass":2.07,"alt":28.76,"az":301.6,"t":"2046-01-31T20:05:00Z","terrain":0.18},{"above_terrain":true,"airmass":2.13,"alt":27.96,"az":302.2,"t":"2046-01-31T20:10:00Z","terrain":0.03},{"above_terrain":true,"airmass":2.18,"alt":27.17,"az":302.7,"t":"2046-01-31T20:15:00Z","terrain":-0.15},{"above_terrain":true,"airmass":2.24,"alt":26.39,"az":303.3,"t":"2046-01-31T20:20:00Z","terrain":-0.19},{"above_terrain":true,"airmass":2.3,"alt":25.61,"az":303.9,"t":"2046-01-31T20:25:00Z","terrain":-0.12},{"above_terrain":true,"airmass":2.37,"alt":24.83,"az":304.5,"t":"2046-01-31T20:30:00Z","terrain":-0.19},{"above_terrain":true,"airmass":2.44,"alt":24.06,"az":305.1,"t":"2046-01-31T20:35:00Z","terrain":-0.28},{"above_terrain":true,"airmass":2.52,"alt":23.3,"az":305.7,"t":"2046-01-31T20:40:00Z","terrain":-0.21},{"above_terrain":true,"airmass":2.59,"alt":22.54,"az":306.3,"t":"2046-01-31T20:45:00Z","terrain":-0.08},{"above_terrain":true,"airmass":2.68,"alt":21.79,"az":306.9,"t":"2046-01-31T20:50:00Z","terrain":0.13},{"above_terrain":true,"airmass":2.77,"alt":21.05,"az":307.5,"t":"2046-01-31T20:55:00Z","terrain":0.25},{"above_terrain":true,"airmass":2.86,"alt":20.31,"az":308.1,"t":"2046-01-31T21:00:00Z","terrain":0.31},{"above_terrain":true,"airmass":2.96,"alt":19.57,"az":308.7,"t":"2046-01-31T21:05:00Z","terrain":0.21},{"above_terrain":true,"airmass":3.07,"alt":18.85,"az":309.3,"t":"2046-01-31T21:10:00Z","terrain":0.19},{"above_terrain":true,"airmass":3.19,"alt":18.12,"az":310.0,"t":"2046-01-31T21:15:00Z","terrain":0.22},{"above_terrain":true,"airmass":3.31,"alt":17.41,"az":310.6,"t":"2046-01-31T21:20:00Z","terrain":0.31},{"above_terrain":true,"airmass":3.44,"alt":16.7,"az":311.3,"t":"2046-01-31T21:25:00Z","terrain":0.3},{"above_terrain":true,"airmass":3.59,"alt":16.0,"az":311.9,"t":"2046-01-31T21:30:00Z","terrain":0.16},{"above_terrain":true,"airmass":3.74,"alt":15.31,"az":312.6,"t":"2046-01-31T21:35:00Z","terrain":0.21},{"above_terrain":true,"airmass":3.91,"alt":14.63,"az":313.2,"t":"2046-01-31T21:40:00Z","terrain":0.32},{"above_terrain":true,"airmass":4.09,"alt":13.95,"az":313.9,"t":"2046-01-31T21:45:00Z","terrain":0.45},{"above_terrain":true,"airmass":4.28,"alt":13.28,"az":314.6,"t":"2046-01-31T21:50:00Z","terrain":0.52},{"above_terrain":true,"airmass":4.49,"alt":12.61,"az":315.3,"t":"2046-01-31T21:55:00Z","terrain":0.54},{"above_terrain":true,"airmass":4.72,"alt":11.96,"az":316.0,"t":"2046-01-31T22:00:00Z","terrain":0.48},{"above_terrain":true,"airmass":4.98,"alt":11.31,"az":316.6,"t":"2046-01-31T22:05:00Z","terrain":0.36},{"above_terrain":true,"airmass":5.26,"alt":10.67,"az":317.3,"t":"2046-01-31T22:10:00Z","terrain":0.31},{"above_terrain":true,"airmass":5.56,"alt":10.04,"az":318.1,"t":"2046-01-31T22:15:00Z","terrain":0.3},{"above_terrain":true,"airmass":5.9,"alt":9.42,"az":318.8,"t":"2046-01-31T22:20:00Z","terrain":-0.03},{"above_terrain":true,"airmass":6.28,"alt":8.81,"az":319.5,"t":"2046-01-31T22:25:00Z","terrain":-0.17},{"above_terrain":true,"airmass":6.7,"alt":8.21,"az":320.2,"t":"2046-01-31T22:30:00Z","terrain":-0.2},{"above_terrain":true,"airmass":7.17,"alt":7.61,"az":320.9,"t":"2046-01-31T22:35:00Z","terrain":-0.2},{"above_terrain":true,"airmass":7.7,"alt":7.03,"az":321.7,"t":"2046-01-31T22:40:00Z","terrain":0.08},{"above_terrain":true,"airmass":8.3,"alt":6.45,"az":322.4,"t":"2046-01-31T22:45:00Z","terrain":0.15},{"above_terrain":true,"airmass":8.99,"alt":5.89,"az":323.2,"t":"2046-01-31T22:50:00Z","terrain":0.03},{"above_terrain":true,"airmass":9.77,"alt":5.33,"az":323.9,"t":"2046-01-31T22:55:00Z","terrain":-0.19},{"above_terrain":true,"airmass":10.68,"alt":4.79,"az":324.7,"t":"2046-01-31T23:00:00Z","terrain":-0.2},{"above_terrain":true,"airmass":11.74,"alt":4.25,"az":325.5,"t":"2046-01-31T23:05:00Z","terrain":-0.21},{"above_terrain":true,"airmass":12.98,"alt":3.72,"az":326.3,"t":"2046-01-31T23:10:00Z","terrain":-0.28},{"above_terrain":true,"airmass":14.46,"alt":3.21,"az":327.1,"t":"2046-01-31T23:15:00Z","terrain":-0.38},{"above_terrain":true,"airmass":16.22,"alt":2.71,"az":327.8,"t":"2046-01-31T23:20:00Z","terrain":-0.25},{"above_terrain":true,"airmass":18.35,"alt":2.21,"az":328.6,"t":"2046-01-31T23:25:00Z","terrain":-0.17},{"above_terrain":true,"airmass":20.95,"alt":1.73,"az":329.5,"t":"2046-01-31T23:30:00Z","terrain":-0.23},{"above_terrain":true,"airmass":24.15,"alt":1.26,"az":330.3,"t":"2046-01-31T23:35:00Z","terrain":-0.36},{"above_terrain":true,"airmass":28.13,"alt":0.8,"az":331.1,"t":"2046-01-31T23:40:00Z","terrain":-0.37},{"above_terrain":true,"airmass":33.05,"alt":0.36,"az":331.9,"t":"2046-01-31T23:45:00Z","terrain":-0.16},{"above_terrain":true,"airmass":null,"alt":-0.08,"az":332.7,"t":"2046-01-31T23:50:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-0.5,"az":333.6,"t":"2046-01-31T23:55:00Z","terrain":-0.18},{"above_terrain":false,"airmass":null,"alt":-0.91,"az":334.4,"t":"2046-02-01T00:00:00Z","terrain":-0.38},{"above_terrain":false,"airmass":null,"alt":-1.31,"az":335.3,"t":"2046-02-01T00:05:00Z","terrain":-0.66},{"above_terrain":false,"airmass":null,"alt":-1.69,"az":336.1,"t":"2046-02-01T00:10:00Z","terrain":-0.82},{"above_terrain":false,"airmass":null,"alt":-2.07,"az":337.0,"t":"2046-02-01T00:15:00Z","terrain":-0.73},{"above_terrain":false,"airmass":null,"alt":-2.42,"az":337.9,"t":"2046-02-01T00:20:00Z","terrain":-0.51},{"above_terrain":false,"airmass":null,"alt":-2.77,"az":338.7,"t":"2046-02-01T00:25:00Z","terrain":-0.67},{"above_terrain":false,"airmass":null,"alt":-3.1,"az":339.6,"t":"2046-02-01T00:30:00Z","terrain":-0.62},{"above_terrain":false,"airmass":null,"alt":-3.42,"az":340.5,"t":"2046-02-01T00:35:00Z","terrain":-0.49},{"above_terrain":false,"airmass":null,"alt":-3.73,"az":341.4,"t":"2046-02-01T00:40:00Z","terrain":-0.46},{"above_terrain":false,"airmass":null,"alt":-4.02,"az":342.3,"t":"2046-02-01T00:45:00Z","terrain":-0.46},{"above_terrain":false,"airmass":null,"alt":-4.3,"az":343.2,"t":"2046-02-01T00:50:00Z","terrain":-0.39},{"above_terrain":false,"airmass":null,"alt":-4.56,"az":344.1,"t":"2046-02-01T00:55:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-4.81,"az":345.0,"t":"2046-02-01T01:00:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-5.05,"az":345.9,"t":"2046-02-01T01:05:00Z","terrain":-0.53},{"above_terrain":false,"airmass":null,"alt":-5.27,"az":346.8,"t":"2046-02-01T01:10:00Z","terrain":-0.44},{"above_terrain":false,"airmass":null,"alt":-5.47,"az":347.7,"t":"2046-02-01T01:15:00Z","terrain":-0.21},{"above_terrain":false,"airmass":null,"alt":-5.67,"az":348.7,"t":"2046-02-01T01:20:00Z","terrain":-0.05},{"above_terrain":false,"airmass":null,"alt":-5.84,"az":349.6,"t":"2046-02-01T01:25:00Z","terrain":0.08},{"above_terrain":false,"airmass":null,"alt":-6.0,"az":350.5,"t":"2046-02-01T01:30:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-6.15,"az":351.4,"t":"2046-02-01T01:35:00Z","terrain":0.2},{"above_terrain":false,"airmass":null,"alt":-6.28,"az":352.4,"t":"2046-02-01T01:40:00Z","terrain":0.36},{"above_terrain":false,"airmass":null,"alt":-6.4,"az":353.3,"t":"2046-02-01T01:45:00Z","terrain":0.54},{"above_terrain":false,"airmass":null,"alt":-6.5,"az":354.3,"t":"2046-02-01T01:50:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-6.59,"az":355.2,"t":"2046-02-01T01:55:00Z","terrain":0.65},{"above_terrain":false,"airmass":null,"alt":-6.66,"az":356.1,"t":"2046-02-01T02:00:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-6.71,"az":357.1,"t":"2046-02-01T02:05:00Z","terrain":0.74},{"above_terrain":false,"airmass":null,"alt":-6.75,"az":358.0,"t":"2046-02-01T02:10:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-6.78,"az":359.0,"t":"2046-02-01T02:15:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-6.79,"az":359.9,"t":"2046-02-01T02:20:00Z","terrain":0.51},{"above_terrain":false,"airmass":null,"alt":-6.78,"az":0.9,"t":"2046-02-01T02:25:00Z","terrain":0.39},{"above_terrain":false,"airmass":null,"alt":-6.76,"az":1.8,"t":"2046-02-01T02:30:00Z","terrain":0.17},{"above_terrain":false,"airmass":null,"alt":-6.72,"az":2.7,"t":"2046-02-01T02:35:00Z","terrain":-0.07},{"above_terrain":false,"airmass":null,"alt":-6.67,"az":3.7,"t":"2046-02-01T02:40:00Z","terrain":-0.23},{"above_terrain":false,"airmass":null,"alt":-6.6,"az":4.6,"t":"2046-02-01T02:45:00Z","terrain":-0.38},{"above_terrain":false,"airmass":null,"alt":-6.52,"az":5.6,"t":"2046-02-01T02:50:00Z","terrain":-0.52},{"above_terrain":false,"airmass":null,"alt":-6.42,"az":6.5,"t":"2046-02-01T02:55:00Z","terrain":-0.5},{"above_terrain":false,"airmass":null,"alt":-6.3,"az":7.5,"t":"2046-02-01T03:00:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-6.18,"az":8.4,"t":"2046-02-01T03:05:00Z","terrain":-0.51},{"above_terrain":false,"airmass":null,"alt":-6.03,"az":9.3,"t":"2046-02-01T03:10:00Z","terrain":-0.64},{"above_terrain":false,"airmass":null,"alt":-5.87,"az":10.2,"t":"2046-02-01T03:15:00Z","terrain":-0.55},{"above_terrain":false,"airmass":null,"alt":-5.7,"az":11.2,"t":"2046-02-01T03:20:00Z","terrain":-0.36},{"above_terrain":false,"airmass":null,"alt":-5.51,"az":12.1,"t":"2046-02-01T03:25:00Z","terrain":-0.17},{"above_terrain":false,"airmass":null,"alt":-5.31,"az":13.0,"t":"2046-02-01T03:30:00Z","terrain":-0.07},{"above_terrain":false,"airmass":null,"alt":-5.09,"az":13.9,"t":"2046-02-01T03:35:00Z","terrain":0.08},{"above_terrain":false,"airmass":null,"alt":-4.86,"az":14.8,"t":"2046-02-01T03:40:00Z","terrain":0.36},{"above_terrain":false,"airmass":null,"alt":-4.61,"az":15.8,"t":"2046-02-01T03:45:00Z","terrain":0.47},{"above_terrain":false,"airmass":null,"alt":-4.35,"az":16.7,"t":"2046-02-01T03:50:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-4.07,"az":17.6,"t":"2046-02-01T03:55:00Z","terrain":0.5},{"above_terrain":false,"airmass":null,"alt":-3.78,"az":18.5,"t":"2046-02-01T04:00:00Z","terrain":0.57},{"above_terrain":false,"airmass":null,"alt":-3.48,"az":19.3,"t":"2046-02-01T04:05:00Z","terrain":0.64},{"above_terrain":false,"airmass":null,"alt":-3.16,"az":20.2,"t":"2046-02-01T04:10:00Z","terrain":0.67},{"above_terrain":false,"airmass":null,"alt":-2.83,"az":21.1,"t":"2046-02-01T04:15:00Z","terrain":0.72},{"above_terrain":false,"airmass":null,"alt":-2.49,"az":22.0,"t":"2046-02-01T04:20:00Z","terrain":0.99},{"above_terrain":false,"airmass":null,"alt":-2.13,"az":22.9,"t":"2046-02-01T04:25:00Z","terrain":1.14},{"above_terrain":false,"airmass":null,"alt":-1.76,"az":23.7,"t":"2046-02-01T04:30:00Z","terrain":0.99},{"above_terrain":false,"airmass":null,"alt":-1.38,"az":24.6,"t":"2046-02-01T04:35:00Z","terrain":1.09},{"above_terrain":false,"airmass":null,"alt":-0.98,"az":25.4,"t":"2046-02-01T04:40:00Z","terrain":1.27},{"above_terrain":false,"airmass":null,"alt":-0.58,"az":26.3,"t":"2046-02-01T04:45:00Z","terrain":1.32},{"above_terrain":false,"airmass":null,"alt":-0.15,"az":27.1,"t":"2046-02-01T04:50:00Z","terrain":1.27},{"above_terrain":false,"airmass":34.06,"alt":0.28,"az":27.9,"t":"2046-02-01T04:55:00Z","terrain":1.2},{"above_terrain":false,"airmass":28.94,"alt":0.72,"az":28.8,"t":"2046-02-01T05:00:00Z","terrain":1.04},{"above_terrain":true,"airmass":24.81,"alt":1.18,"az":29.6,"t":"2046-02-01T05:05:00Z","terrain":1.09},{"above_terrain":true,"airmass":21.48,"alt":1.65,"az":30.4,"t":"2046-02-01T05:10:00Z","terrain":1.21},{"above_terrain":true,"airmass":18.78,"alt":2.13,"az":31.2,"t":"2046-02-01T05:15:00Z","terrain":1.31},{"above_terrain":true,"airmass":16.58,"alt":2.62,"az":32.0,"t":"2046-02-01T05:20:00Z","terrain":1.33},{"above_terrain":true,"airmass":14.75,"alt":3.12,"az":32.8,"t":"2046-02-01T05:25:00Z","terrain":1.06},{"above_terrain":true,"airmass":13.23,"alt":3.63,"az":33.6,"t":"2046-02-01T05:30:00Z","terrain":0.66},{"above_terrain":true,"airmass":11.95,"alt":4.15,"az":34.4,"t":"2046-02-01T05:35:00Z","terrain":0.29},{"above_terrain":true,"airmass":10.86,"alt":4.69,"az":35.1,"t":"2046-02-01T05:40:00Z","terrain":0.05},{"above_terrain":true,"airmass":9.93,"alt":5.23,"az":35.9,"t":"2046-02-01T05:45:00Z","terrain":0.03},{"above_terrain":true,"airmass":9.12,"alt":5.79,"az":36.7,"t":"2046-02-01T05:50:00Z","terrain":-0.05},{"above_terrain":true,"airmass":8.42,"alt":6.35,"az":37.4,"t":"2046-02-01T05:55:00Z","terrain":-0.14},{"above_terrain":true,"airmass":7.8,"alt":6.92,"az":38.2,"t":"2046-02-01T06:00:00Z","terrain":-0.2},{"above_terrain":true,"airmass":7.26,"alt":7.51,"az":38.9,"t":"2046-02-01T06:05:00Z","terrain":-0.16},{"above_terrain":true,"airmass":6.78,"alt":8.1,"az":39.7,"t":"2046-02-01T06:10:00Z","terrain":-0.09},{"above_terrain":true,"airmass":6.35,"alt":8.7,"az":40.4,"t":"2046-02-01T06:15:00Z","terrain":-0.02},{"above_terrain":true,"airmass":5.97,"alt":9.31,"az":41.1,"t":"2046-02-01T06:20:00Z","terrain":0.03},{"above_terrain":true,"airmass":5.62,"alt":9.93,"az":41.8,"t":"2046-02-01T06:25:00Z","terrain":0.1},{"above_terrain":true,"airmass":5.31,"alt":10.56,"az":42.5,"t":"2046-02-01T06:30:00Z","terrain":0.19},{"above_terrain":true,"airmass":5.03,"alt":11.2,"az":43.2,"t":"2046-02-01T06:35:00Z","terrain":0.29},{"above_terrain":true,"airmass":4.77,"alt":11.84,"az":43.9,"t":"2046-02-01T06:40:00Z","terrain":0.4},{"above_terrain":true,"airmass":4.53,"alt":12.49,"az":44.6,"t":"2046-02-01T06:45:00Z","terrain":0.51},{"above_terrain":true,"airmass":4.32,"alt":13.16,"az":45.3,"t":"2046-02-01T06:50:00Z","terrain":0.61},{"above_terrain":true,"airmass":4.12,"alt":13.83,"az":46.0,"t":"2046-02-01T06:55:00Z","terrain":0.67},{"above_terrain":true,"airmass":3.94,"alt":14.5,"az":46.6,"t":"2046-02-01T07:00:00Z","terrain":0.63},{"above_terrain":true,"airmass":3.77,"alt":15.19,"az":47.3,"t":"2046-02-01T07:05:00Z","terrain":0.59},{"above_terrain":true,"airmass":3.61,"alt":15.88,"az":48.0,"t":"2046-02-01T07:10:00Z","terrain":0.53},{"above_terrain":true,"airmass":3.47,"alt":16.58,"az":48.6,"t":"2046-02-01T07:15:00Z","terrain":0.46},{"above_terrain":true,"airmass":3.33,"alt":17.28,"az":49.3,"t":"2046-02-01T07:20:00Z","terrain":0.41},{"above_terrain":true,"airmass":3.21,"alt":17.99,"az":49.9,"t":"2046-02-01T07:25:00Z","terrain":0.4},{"above_terrain":true,"airmass":3.09,"alt":18.71,"az":50.5,"t":"2046-02-01T07:30:00Z","terrain":0.47},{"above_terrain":true,"airmass":2.98,"alt":19.44,"az":51.2,"t":"2046-02-01T07:35:00Z","terrain":0.55},{"above_terrain":true,"airmass":2.88,"alt":20.17,"az":51.8,"t":"2046-02-01T07:40:00Z","terrain":0.61},{"above_terrain":true,"airmass":2.78,"alt":20.91,"az":52.4,"t":"2046-02-01T07:45:00Z","terrain":0.72},{"above_terrain":true,"airmass":2.69,"alt":21.66,"az":53.0,"t":"2046-02-01T07:50:00Z","terrain":0.84},{"above_terrain":true,"airmass":2.61,"alt":22.41,"az":53.6,"t":"2046-02-01T07:55:00Z","terrain":0.94},{"above_terrain":true,"airmass":2.53,"alt":23.16,"az":54.2,"t":"2046-02-01T08:00:00Z","terrain":1.02},{"above_terrain":true,"airmass":2.45,"alt":23.93,"az":54.8,"t":"2046-02-01T08:05:00Z","terrain":1.07},{"above_terrain":true,"airmass":2.38,"alt":24.69,"az":55.4,"t":"2046-02-01T08:10:00Z","terrain":1.07},{"above_terrain":true,"airmass":2.32,"alt":25.47,"az":56.0,"t":"2046-02-01T08:15:00Z","terrain":1.05},{"above_terrain":true,"airmass":2.25,"alt":26.24,"az":56.6,"t":"2046-02-01T08:20:00Z","terrain":1.06},{"above_terrain":true,"airmass":2.19,"alt":27.03,"az":57.2,"t":"2046-02-01T08:25:00Z","terrain":1.1},{"above_terrain":true,"airmass":2.14,"alt":27.82,"az":57.7,"t":"2046-02-01T08:30:00Z","terrain":1.2},{"above_terrain":true,"airmass":2.08,"alt":28.61,"az":58.3,"t":"2046-02-01T08:35:00Z","terrain":1.24},{"above_terrain":true,"airmass":2.03,"alt":29.41,"az":58.9,"t":"2046-02-01T08:40:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.98,"alt":30.21,"az":59.4,"t":"2046-02-01T08:45:00Z","terrain":1.19},{"above_terrain":true,"airmass":1.94,"alt":31.02,"az":60.0,"t":"2046-02-01T08:50:00Z","terrain":1.17},{"above_terrain":true,"airmass":1.89,"alt":31.84,"az":60.5,"t":"2046-02-01T08:55:00Z","terrain":1.13},{"above_terrain":true,"airmass":1.85,"alt":32.65,"az":61.1,"t":"2046-02-01T09:00:00Z","terrain":1.08},{"above_terrain":true,"airmass":1.81,"alt":33.47,"az":61.6,"t":"2046-02-01T09:05:00Z","terrain":1.04},{"above_terrain":true,"airmass":1.77,"alt":34.3,"az":62.2,"t":"2046-02-01T09:10:00Z","terrain":0.99},{"above_terrain":true,"airmass":1.73,"alt":35.13,"az":62.7,"t":"2046-02-01T09:15:00Z","terrain":0.94},{"above_terrain":true,"airmass":1.7,"alt":35.96,"az":63.2,"t":"2046-02-01T09:20:00Z","terrain":0.88},{"above_terrain":true,"airmass":1.67,"alt":36.8,"az":63.7,"t":"2046-02-01T09:25:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.63,"alt":37.64,"az":64.3,"t":"2046-02-01T09:30:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.6,"alt":38.49,"az":64.8,"t":"2046-02-01T09:35:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.58,"alt":39.33,"az":65.3,"t":"2046-02-01T09:40:00Z","terrain":0.79},{"above_terrain":true,"airmass":1.55,"alt":40.19,"az":65.8,"t":"2046-02-01T09:45:00Z","terrain":0.82},{"above_terrain":true,"airmass":1.52,"alt":41.04,"az":66.3,"t":"2046-02-01T09:50:00Z","terrain":0.86},{"above_terrain":true,"airmass":1.5,"alt":41.9,"az":66.8,"t":"2046-02-01T09:55:00Z","terrain":0.91},{"above_terrain":true,"airmass":1.47,"alt":42.76,"az":67.3,"t":"2046-02-01T10:00:00Z","terrain":0.95}],"transit":{"airmass":1.0,"alt":89.5,"az":110.6,"t":"2046-01-31T14:20:00Z"},"usable_hours":3.83,"verdict":"marginal","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."]}