{"assessment":{"best_window":{"end":"2029-01-20T21:00Z","end_local":"23:00","hours":4.0,"label":"good","mean_quality":0.74,"start":"2029-01-20T17:00Z","start_local":"19:00"},"cost":{"altitude":7.47,"clouds":0.0,"darkness":1.33,"moon":0.75},"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":80,"cloud":null,"high":null,"iso":"2029-01-20T16:00Z","label":"poor","low":null,"mid":null,"moon_alt":51,"precip":null,"q":0.12,"rh":null,"sky":"nautical twilight","temp":null,"time":"18:00","wind":null},{"alt":68,"cloud":null,"high":null,"iso":"2029-01-20T17:00Z","label":"good","low":null,"mid":null,"moon_alt":44,"precip":null,"q":0.78,"rh":null,"sky":"night","temp":null,"time":"19:00","wind":null},{"alt":57,"cloud":null,"high":null,"iso":"2029-01-20T18:00Z","label":"good","low":null,"mid":null,"moon_alt":34,"precip":null,"q":0.79,"rh":null,"sky":"night","temp":null,"time":"20:00","wind":null},{"alt":47,"cloud":null,"high":null,"iso":"2029-01-20T19:00Z","label":"good","low":null,"mid":null,"moon_alt":24,"precip":null,"q":0.75,"rh":null,"sky":"night","temp":null,"time":"21:00","wind":null},{"alt":36,"cloud":null,"high":null,"iso":"2029-01-20T20:00Z","label":"good","low":null,"mid":null,"moon_alt":13,"precip":null,"q":0.71,"rh":null,"sky":"night","temp":null,"time":"22:00","wind":null},{"alt":27,"cloud":null,"high":null,"iso":"2029-01-20T21:00Z","label":"marginal","low":null,"mid":null,"moon_alt":3,"precip":null,"q":0.58,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":18,"cloud":null,"high":null,"iso":"2029-01-20T22:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-8,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":10,"cloud":null,"high":null,"iso":"2029-01-20T23:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-18,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":3,"cloud":null,"high":null,"iso":"2029-01-21T00:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-26,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":-2,"cloud":null,"high":null,"iso":"2029-01-21T01:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-33,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":-6,"cloud":null,"high":null,"iso":"2029-01-21T02:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-38,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":-7,"cloud":null,"high":null,"iso":"2029-01-21T03:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-39,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"05:00","wind":null},{"alt":-6,"cloud":null,"high":null,"iso":"2029-01-21T04:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-37,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"06:00","wind":null},{"alt":-3,"cloud":null,"high":null,"iso":"2029-01-21T05:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-32,"precip":null,"q":0.0,"rh":null,"sky":"nautical twilight","temp":null,"time":"07:00","wind":null}],"peak_quality":0.79,"peak_sky":0.79,"quality_hours":3.61,"reasons":["the target being low or below 20\u00b0 cost 7.5 quality-hours","daylight and twilight cost 1.3 quality-hours","moonlight cost 0.8 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":72,"score_weather":null,"sky_hours":3.61,"verdict":"unknown","verdict_astronomy":"good","weather_known":false,"windows":[{"end":"2029-01-20T15:55Z","end_local":"17:55","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2029-01-20T15:20Z","start_local":"17:20"},{"end":"2029-01-20T16:30Z","end_local":"18:30","hours":0.58,"label":"poor","mean_quality":0.12,"start":"2029-01-20T15:55Z","start_local":"17:55"},{"end":"2029-01-20T17:00Z","end_local":"19:00","hours":0.5,"label":"marginal","mean_quality":0.39,"start":"2029-01-20T16:30Z","start_local":"18:30"},{"end":"2029-01-20T21:00Z","end_local":"23:00","hours":4.0,"label":"good","mean_quality":0.74,"start":"2029-01-20T17:00Z","start_local":"19:00"},{"end":"2029-01-20T21:45Z","end_local":"23:45","hours":0.75,"label":"marginal","mean_quality":0.51,"start":"2029-01-20T21:00Z","start_local":"23:00"},{"end":"2029-01-21T05:45Z","end_local":"07:45","hours":8.0,"label":"unusable","mean_quality":0.0,"start":"2029-01-20T21:45Z","start_local":"23:45"}]},"calculation_version":"2026-10-10.1","forecast":[],"forecast_source":"none","forecast_updated_at":null,"limits":{"good_alt":30.0,"usable_alt":20.0},"night":{"dark_from":"2029-01-20T16:59:04Z","dark_hours":11.1,"dark_to":"2029-01-21T04:05:07Z","moon":{"illumination":0.327,"phase":"waxing crescent","waxing":true},"moon_free_dark_hours":6.85,"moonrise":"2029-01-21T08:32:49Z","moonset":"2029-01-20T21:13:57Z","sunrise":"2029-01-21T05:42:18Z","sunset":"2029-01-20T15:21:40Z","twilight":{"astronomical":{"end":"2029-01-20T16:59:04Z","start":"2029-01-21T04:05:07Z"},"civil":{"end":"2029-01-20T15:51:58Z","start":"2029-01-21T05:12:04Z"},"nautical":{"end":"2029-01-20T16:25:58Z","start":"2029-01-21T04:38:09Z"}},"window_end":"2029-01-21T10:00:00Z","window_start":"2029-01-20T10:00:00Z"},"night_date":"2029-01-20","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.08,"alt":68.4,"t":"2029-01-20T17:00:00Z"},"dec":41.26875,"dec_of_date":41.4276,"dec_str":"+41\u00b0 16' 07.5\"","good_hours":3.67,"limit_rise":"2029-01-21T08:21:04Z","limit_set":"2029-01-20T21:43:32Z","max_az_rate_deg_per_min":19.86,"moon_separation":32.3,"never_rises":false,"ra":10.68470833,"ra_of_date":11.0839,"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":"3.7 dark hours above 30\u00b0 \u2014 a proper target for this night.","terrain":{"available":true,"behind_at":"2029-01-21T00:31:35Z","blocked_dark_hours":0,"clears_at":"2029-01-21T05:46:48Z","rise_az":62.7},"track":[{"above_terrain":true,"airmass":1.74,"alt":34.95,"az":62.7,"t":"2029-01-20T10:00:00Z","terrain":0.94},{"above_terrain":true,"airmass":1.71,"alt":35.79,"az":63.2,"t":"2029-01-20T10:05:00Z","terrain":0.88},{"above_terrain":true,"airmass":1.67,"alt":36.63,"az":63.8,"t":"2029-01-20T10:10:00Z","terrain":0.8},{"above_terrain":true,"airmass":1.64,"alt":37.47,"az":64.3,"t":"2029-01-20T10:15:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.61,"alt":38.31,"az":64.8,"t":"2029-01-20T10:20:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.58,"alt":39.16,"az":65.3,"t":"2029-01-20T10:25:00Z","terrain":0.79},{"above_terrain":true,"airmass":1.55,"alt":40.01,"az":65.8,"t":"2029-01-20T10:30:00Z","terrain":0.82},{"above_terrain":true,"airmass":1.53,"alt":40.87,"az":66.4,"t":"2029-01-20T10:35:00Z","terrain":0.87},{"above_terrain":true,"airmass":1.5,"alt":41.73,"az":66.9,"t":"2029-01-20T10:40:00Z","terrain":0.92},{"above_terrain":true,"airmass":1.48,"alt":42.59,"az":67.4,"t":"2029-01-20T10:45:00Z","terrain":0.95},{"above_terrain":true,"airmass":1.45,"alt":43.46,"az":67.9,"t":"2029-01-20T10:50:00Z","terrain":0.98},{"above_terrain":true,"airmass":1.43,"alt":44.32,"az":68.4,"t":"2029-01-20T10:55:00Z","terrain":1.01},{"above_terrain":true,"airmass":1.41,"alt":45.2,"az":68.9,"t":"2029-01-20T11:00:00Z","terrain":1.04},{"above_terrain":true,"airmass":1.39,"alt":46.07,"az":69.4,"t":"2029-01-20T11:05:00Z","terrain":1.11},{"above_terrain":true,"airmass":1.37,"alt":46.95,"az":69.8,"t":"2029-01-20T11:10:00Z","terrain":1.19},{"above_terrain":true,"airmass":1.35,"alt":47.83,"az":70.3,"t":"2029-01-20T11:15:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.33,"alt":48.71,"az":70.8,"t":"2029-01-20T11:20:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.31,"alt":49.6,"az":71.3,"t":"2029-01-20T11:25:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.3,"alt":50.48,"az":71.8,"t":"2029-01-20T11:30:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.28,"alt":51.37,"az":72.3,"t":"2029-01-20T11:35:00Z","terrain":1.15},{"above_terrain":true,"airmass":1.26,"alt":52.27,"az":72.7,"t":"2029-01-20T11:40:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.25,"alt":53.16,"az":73.2,"t":"2029-01-20T11:45:00Z","terrain":0.94},{"above_terrain":true,"airmass":1.23,"alt":54.06,"az":73.7,"t":"2029-01-20T11:50:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.22,"alt":54.96,"az":74.1,"t":"2029-01-20T11:55:00Z","terrain":0.72},{"above_terrain":true,"airmass":1.21,"alt":55.86,"az":74.6,"t":"2029-01-20T12:00:00Z","terrain":0.67},{"above_terrain":true,"airmass":1.19,"alt":56.76,"az":75.1,"t":"2029-01-20T12:05:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.18,"alt":57.67,"az":75.6,"t":"2029-01-20T12:10:00Z","terrain":0.68},{"above_terrain":true,"airmass":1.17,"alt":58.58,"az":76.0,"t":"2029-01-20T12:15:00Z","terrain":0.72},{"above_terrain":true,"airmass":1.16,"alt":59.48,"az":76.5,"t":"2029-01-20T12:20:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.15,"alt":60.4,"az":76.9,"t":"2029-01-20T12:25:00Z","terrain":0.7},{"above_terrain":true,"airmass":1.14,"alt":61.31,"az":77.4,"t":"2029-01-20T12:30:00Z","terrain":0.67},{"above_terrain":true,"airmass":1.13,"alt":62.22,"az":77.9,"t":"2029-01-20T12:35:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.12,"alt":63.14,"az":78.3,"t":"2029-01-20T12:40:00Z","terrain":0.61},{"above_terrain":true,"airmass":1.11,"alt":64.06,"az":78.8,"t":"2029-01-20T12:45:00Z","terrain":0.58},{"above_terrain":true,"airmass":1.1,"alt":64.97,"az":79.2,"t":"2029-01-20T12:50:00Z","terrain":0.54},{"above_terrain":true,"airmass":1.09,"alt":65.89,"az":79.7,"t":"2029-01-20T12:55:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.09,"alt":66.82,"az":80.2,"t":"2029-01-20T13:00:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.08,"alt":67.74,"az":80.6,"t":"2029-01-20T13:05:00Z","terrain":0.6},{"above_terrain":true,"airmass":1.07,"alt":68.66,"az":81.1,"t":"2029-01-20T13:10:00Z","terrain":0.69},{"above_terrain":true,"airmass":1.07,"alt":69.59,"az":81.5,"t":"2029-01-20T13:15:00Z","terrain":0.75},{"above_terrain":true,"airmass":1.06,"alt":70.51,"az":82.0,"t":"2029-01-20T13:20:00Z","terrain":0.8},{"above_terrain":true,"airmass":1.05,"alt":71.44,"az":82.5,"t":"2029-01-20T13:25:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.05,"alt":72.37,"az":82.9,"t":"2029-01-20T13:30:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.04,"alt":73.3,"az":83.4,"t":"2029-01-20T13:35:00Z","terrain":0.43},{"above_terrain":true,"airmass":1.04,"alt":74.23,"az":83.9,"t":"2029-01-20T13:40:00Z","terrain":0.39},{"above_terrain":true,"airmass":1.03,"alt":75.16,"az":84.4,"t":"2029-01-20T13:45:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.03,"alt":76.09,"az":84.9,"t":"2029-01-20T13:50:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.03,"alt":77.03,"az":85.4,"t":"2029-01-20T13:55:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.02,"alt":77.96,"az":85.9,"t":"2029-01-20T14:00:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.02,"alt":78.89,"az":86.4,"t":"2029-01-20T14:05:00Z","terrain":0.13},{"above_terrain":true,"airmass":1.02,"alt":79.83,"az":87.0,"t":"2029-01-20T14:10:00Z","terrain":0.07},{"above_terrain":true,"airmass":1.01,"alt":80.76,"az":87.5,"t":"2029-01-20T14:15:00Z","terrain":-0.0},{"above_terrain":true,"airmass":1.01,"alt":81.7,"az":88.1,"t":"2029-01-20T14:20:00Z","terrain":-0.09},{"above_terrain":true,"airmass":1.01,"alt":82.63,"az":88.8,"t":"2029-01-20T14:25:00Z","terrain":-0.17},{"above_terrain":true,"airmass":1.01,"alt":83.57,"az":89.5,"t":"2029-01-20T14:30:00Z","terrain":-0.21},{"above_terrain":true,"airmass":1.0,"alt":84.5,"az":90.3,"t":"2029-01-20T14:35:00Z","terrain":-0.18},{"above_terrain":true,"airmass":1.0,"alt":85.44,"az":91.3,"t":"2029-01-20T14:40:00Z","terrain":-0.03},{"above_terrain":true,"airmass":1.0,"alt":86.38,"az":92.6,"t":"2029-01-20T14:45:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.0,"alt":87.31,"az":94.5,"t":"2029-01-20T14:50:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.0,"alt":88.24,"az":97.9,"t":"2029-01-20T14:55:00Z","terrain":0.68},{"above_terrain":true,"airmass":1.0,"alt":89.16,"az":108.0,"t":"2029-01-20T15:00:00Z","terrain":-0.92},{"above_terrain":true,"airmass":1.0,"alt":89.7,"az":207.3,"t":"2029-01-20T15:05:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.0,"alt":88.89,"az":256.6,"t":"2029-01-20T15:10:00Z","terrain":0.41},{"above_terrain":true,"airmass":1.0,"alt":87.97,"az":263.4,"t":"2029-01-20T15:15:00Z","terrain":0.7},{"above_terrain":true,"airmass":1.0,"alt":87.04,"az":266.2,"t":"2029-01-20T15:20:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.0,"alt":86.1,"az":267.8,"t":"2029-01-20T15:25:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.0,"alt":85.17,"az":269.0,"t":"2029-01-20T15:30:00Z","terrain":0.75},{"above_terrain":true,"airmass":1.0,"alt":84.23,"az":269.9,"t":"2029-01-20T15:35:00Z","terrain":0.89},{"above_terrain":true,"airmass":1.01,"alt":83.3,"az":270.7,"t":"2029-01-20T15:40:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.01,"alt":82.36,"az":271.4,"t":"2029-01-20T15:45:00Z","terrain":0.63},{"above_terrain":true,"airmass":1.01,"alt":81.42,"az":272.0,"t":"2029-01-20T15:50:00Z","terrain":0.41},{"above_terrain":true,"airmass":1.01,"alt":80.49,"az":272.6,"t":"2029-01-20T15:55:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.02,"alt":79.55,"az":273.2,"t":"2029-01-20T16:00:00Z","terrain":0.11},{"above_terrain":true,"airmass":1.02,"alt":78.62,"az":273.7,"t":"2029-01-20T16:05:00Z","terrain":0.01},{"above_terrain":true,"airmass":1.02,"alt":77.69,"az":274.3,"t":"2029-01-20T16:10:00Z","terrain":0.0},{"above_terrain":true,"airmass":1.03,"alt":76.75,"az":274.8,"t":"2029-01-20T16:15:00Z","terrain":0.06},{"above_terrain":true,"airmass":1.03,"alt":75.82,"az":275.3,"t":"2029-01-20T16:20:00Z","terrain":0.06},{"above_terrain":true,"airmass":1.04,"alt":74.89,"az":275.8,"t":"2029-01-20T16:25:00Z","terrain":0.01},{"above_terrain":true,"airmass":1.04,"alt":73.96,"az":276.2,"t":"2029-01-20T16:30:00Z","terrain":-0.04},{"above_terrain":true,"airmass":1.05,"alt":73.03,"az":276.7,"t":"2029-01-20T16:35:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.05,"alt":72.1,"az":277.2,"t":"2029-01-20T16:40:00Z","terrain":-0.13},{"above_terrain":true,"airmass":1.06,"alt":71.17,"az":277.7,"t":"2029-01-20T16:45:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.06,"alt":70.25,"az":278.1,"t":"2029-01-20T16:50:00Z","terrain":-0.07},{"above_terrain":true,"airmass":1.07,"alt":69.32,"az":278.6,"t":"2029-01-20T16:55:00Z","terrain":-0.04},{"above_terrain":true,"airmass":1.08,"alt":68.39,"az":279.1,"t":"2029-01-20T17:00:00Z","terrain":-0.03},{"above_terrain":true,"airmass":1.08,"alt":67.47,"az":279.5,"t":"2029-01-20T17:05:00Z","terrain":-0.08},{"above_terrain":true,"airmass":1.09,"alt":66.55,"az":280.0,"t":"2029-01-20T17:10:00Z","terrain":-0.13},{"above_terrain":true,"airmass":1.1,"alt":65.63,"az":280.4,"t":"2029-01-20T17:15:00Z","terrain":-0.06},{"above_terrain":true,"airmass":1.11,"alt":64.71,"az":280.9,"t":"2029-01-20T17:20:00Z","terrain":0.01},{"above_terrain":true,"airmass":1.11,"alt":63.79,"az":281.4,"t":"2029-01-20T17:25:00Z","terrain":-0.03},{"above_terrain":true,"airmass":1.12,"alt":62.87,"az":281.8,"t":"2029-01-20T17:30:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.13,"alt":61.96,"az":282.3,"t":"2029-01-20T17:35:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.14,"alt":61.04,"az":282.7,"t":"2029-01-20T17:40:00Z","terrain":-0.04},{"above_terrain":true,"airmass":1.15,"alt":60.13,"az":283.2,"t":"2029-01-20T17:45:00Z","terrain":0.02},{"above_terrain":true,"airmass":1.16,"alt":59.22,"az":283.7,"t":"2029-01-20T17:50:00Z","terrain":0.08},{"above_terrain":true,"airmass":1.17,"alt":58.31,"az":284.1,"t":"2029-01-20T17:55:00Z","terrain":0.13},{"above_terrain":true,"airmass":1.19,"alt":57.4,"az":284.6,"t":"2029-01-20T18:00:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.2,"alt":56.5,"az":285.1,"t":"2029-01-20T18:05:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.21,"alt":55.6,"az":285.5,"t":"2029-01-20T18:10:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.22,"alt":54.7,"az":286.0,"t":"2029-01-20T18:15:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.24,"alt":53.8,"az":286.5,"t":"2029-01-20T18:20:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.25,"alt":52.9,"az":286.9,"t":"2029-01-20T18:25:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.27,"alt":52.01,"az":287.4,"t":"2029-01-20T18:30:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.28,"alt":51.12,"az":287.9,"t":"2029-01-20T18:35:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.3,"alt":50.23,"az":288.4,"t":"2029-01-20T18:40:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.32,"alt":49.34,"az":288.8,"t":"2029-01-20T18:45:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.33,"alt":48.45,"az":289.3,"t":"2029-01-20T18:50:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.35,"alt":47.57,"az":289.8,"t":"2029-01-20T18:55:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.37,"alt":46.69,"az":290.3,"t":"2029-01-20T19:00:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.39,"alt":45.82,"az":290.8,"t":"2029-01-20T19:05:00Z","terrain":0.45},{"above_terrain":true,"airmass":1.41,"alt":44.94,"az":291.3,"t":"2029-01-20T19:10:00Z","terrain":0.51},{"above_terrain":true,"airmass":1.44,"alt":44.07,"az":291.8,"t":"2029-01-20T19:15:00Z","terrain":0.54},{"above_terrain":true,"airmass":1.46,"alt":43.2,"az":292.3,"t":"2029-01-20T19:20:00Z","terrain":0.48},{"above_terrain":true,"airmass":1.48,"alt":42.34,"az":292.8,"t":"2029-01-20T19:25:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.51,"alt":41.48,"az":293.3,"t":"2029-01-20T19:30:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.53,"alt":40.62,"az":293.8,"t":"2029-01-20T19:35:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.56,"alt":39.77,"az":294.3,"t":"2029-01-20T19:40:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.59,"alt":38.91,"az":294.8,"t":"2029-01-20T19:45:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.62,"alt":38.07,"az":295.3,"t":"2029-01-20T19:50:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.65,"alt":37.22,"az":295.9,"t":"2029-01-20T19:55:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.68,"alt":36.38,"az":296.4,"t":"2029-01-20T20:00:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.72,"alt":35.55,"az":296.9,"t":"2029-01-20T20:05:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.75,"alt":34.71,"az":297.4,"t":"2029-01-20T20:10:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.79,"alt":33.88,"az":298.0,"t":"2029-01-20T20:15:00Z","terrain":0.12},{"above_terrain":true,"airmass":1.83,"alt":33.06,"az":298.5,"t":"2029-01-20T20:20:00Z","terrain":0.15},{"above_terrain":true,"airmass":1.87,"alt":32.24,"az":299.1,"t":"2029-01-20T20:25:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.91,"alt":31.42,"az":299.6,"t":"2029-01-20T20:30:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.96,"alt":30.61,"az":300.2,"t":"2029-01-20T20:35:00Z","terrain":0.36},{"above_terrain":true,"airmass":2.01,"alt":29.81,"az":300.7,"t":"2029-01-20T20:40:00Z","terrain":0.33},{"above_terrain":true,"airmass":2.06,"alt":29.0,"az":301.3,"t":"2029-01-20T20:45:00Z","terrain":0.25},{"above_terrain":true,"airmass":2.11,"alt":28.21,"az":301.9,"t":"2029-01-20T20:50:00Z","terrain":0.11},{"above_terrain":true,"airmass":2.16,"alt":27.41,"az":302.4,"t":"2029-01-20T20:55:00Z","terrain":-0.05},{"above_terrain":true,"airmass":2.22,"alt":26.63,"az":303.0,"t":"2029-01-20T21:00:00Z","terrain":-0.23},{"above_terrain":true,"airmass":2.28,"alt":25.84,"az":303.6,"t":"2029-01-20T21:05:00Z","terrain":-0.15},{"above_terrain":true,"airmass":2.35,"alt":25.07,"az":304.2,"t":"2029-01-20T21:10:00Z","terrain":-0.13},{"above_terrain":true,"airmass":2.42,"alt":24.29,"az":304.8,"t":"2029-01-20T21:15:00Z","terrain":-0.24},{"above_terrain":true,"airmass":2.49,"alt":23.53,"az":305.4,"t":"2029-01-20T21:20:00Z","terrain":-0.25},{"above_terrain":true,"airmass":2.57,"alt":22.77,"az":306.0,"t":"2029-01-20T21:25:00Z","terrain":-0.18},{"above_terrain":true,"airmass":2.65,"alt":22.01,"az":306.6,"t":"2029-01-20T21:30:00Z","terrain":0.03},{"above_terrain":true,"airmass":2.74,"alt":21.26,"az":307.2,"t":"2029-01-20T21:35:00Z","terrain":0.2},{"above_terrain":true,"airmass":2.83,"alt":20.52,"az":307.8,"t":"2029-01-20T21:40:00Z","terrain":0.29},{"above_terrain":true,"airmass":2.93,"alt":19.79,"az":308.4,"t":"2029-01-20T21:45:00Z","terrain":0.26},{"above_terrain":true,"airmass":3.04,"alt":19.06,"az":309.0,"t":"2029-01-20T21:50:00Z","terrain":0.17},{"above_terrain":true,"airmass":3.15,"alt":18.33,"az":309.7,"t":"2029-01-20T21:55:00Z","terrain":0.2},{"above_terrain":true,"airmass":3.27,"alt":17.61,"az":310.3,"t":"2029-01-20T22:00:00Z","terrain":0.26},{"above_terrain":true,"airmass":3.4,"alt":16.9,"az":311.0,"t":"2029-01-20T22:05:00Z","terrain":0.35},{"above_terrain":true,"airmass":3.54,"alt":16.2,"az":311.6,"t":"2029-01-20T22:10:00Z","terrain":0.23},{"above_terrain":true,"airmass":3.7,"alt":15.5,"az":312.3,"t":"2029-01-20T22:15:00Z","terrain":0.17},{"above_terrain":true,"airmass":3.86,"alt":14.82,"az":312.9,"t":"2029-01-20T22:20:00Z","terrain":0.26},{"above_terrain":true,"airmass":4.03,"alt":14.13,"az":313.6,"t":"2029-01-20T22:25:00Z","terrain":0.39},{"above_terrain":true,"airmass":4.23,"alt":13.46,"az":314.3,"t":"2029-01-20T22:30:00Z","terrain":0.49},{"above_terrain":true,"airmass":4.43,"alt":12.79,"az":314.9,"t":"2029-01-20T22:35:00Z","terrain":0.55},{"above_terrain":true,"airmass":4.66,"alt":12.13,"az":315.6,"t":"2029-01-20T22:40:00Z","terrain":0.51},{"above_terrain":true,"airmass":4.91,"alt":11.48,"az":316.3,"t":"2029-01-20T22:45:00Z","terrain":0.42},{"above_terrain":true,"airmass":5.18,"alt":10.84,"az":317.0,"t":"2029-01-20T22:50:00Z","terrain":0.3},{"above_terrain":true,"airmass":5.48,"alt":10.21,"az":317.7,"t":"2029-01-20T22:55:00Z","terrain":0.32},{"above_terrain":true,"airmass":5.81,"alt":9.58,"az":318.4,"t":"2029-01-20T23:00:00Z","terrain":0.12},{"above_terrain":true,"airmass":6.18,"alt":8.97,"az":319.2,"t":"2029-01-20T23:05:00Z","terrain":-0.15},{"above_terrain":true,"airmass":6.59,"alt":8.36,"az":319.9,"t":"2029-01-20T23:10:00Z","terrain":-0.19},{"above_terrain":true,"airmass":7.05,"alt":7.76,"az":320.6,"t":"2029-01-20T23:15:00Z","terrain":-0.2},{"above_terrain":true,"airmass":7.56,"alt":7.17,"az":321.4,"t":"2029-01-20T23:20:00Z","terrain":-0.05},{"above_terrain":true,"airmass":8.15,"alt":6.59,"az":322.1,"t":"2029-01-20T23:25:00Z","terrain":0.2},{"above_terrain":true,"airmass":8.81,"alt":6.02,"az":322.9,"t":"2029-01-20T23:30:00Z","terrain":0.1},{"above_terrain":true,"airmass":9.58,"alt":5.46,"az":323.6,"t":"2029-01-20T23:35:00Z","terrain":-0.1},{"above_terrain":true,"airmass":10.46,"alt":4.91,"az":324.4,"t":"2029-01-20T23:40:00Z","terrain":-0.2},{"above_terrain":true,"airmass":11.48,"alt":4.37,"az":325.1,"t":"2029-01-20T23:45:00Z","terrain":-0.2},{"above_terrain":true,"airmass":12.69,"alt":3.84,"az":325.9,"t":"2029-01-20T23:50:00Z","terrain":-0.24},{"above_terrain":true,"airmass":14.11,"alt":3.32,"az":326.7,"t":"2029-01-20T23:55:00Z","terrain":-0.35},{"above_terrain":true,"airmass":15.81,"alt":2.81,"az":327.5,"t":"2029-01-21T00:00:00Z","terrain":-0.31},{"above_terrain":true,"airmass":17.87,"alt":2.32,"az":328.3,"t":"2029-01-21T00:05:00Z","terrain":-0.2},{"above_terrain":true,"airmass":20.38,"alt":1.83,"az":329.1,"t":"2029-01-21T00:10:00Z","terrain":-0.15},{"above_terrain":true,"airmass":23.46,"alt":1.35,"az":329.9,"t":"2029-01-21T00:15:00Z","terrain":-0.33},{"above_terrain":true,"airmass":27.29,"alt":0.89,"az":330.7,"t":"2029-01-21T00:20:00Z","terrain":-0.38},{"above_terrain":true,"airmass":32.05,"alt":0.44,"az":331.6,"t":"2029-01-21T00:25:00Z","terrain":-0.25},{"above_terrain":true,"airmass":37.92,"alt":0.0,"az":332.4,"t":"2029-01-21T00:30:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-0.43,"az":333.2,"t":"2029-01-21T00:35:00Z","terrain":-0.14},{"above_terrain":false,"airmass":null,"alt":-0.84,"az":334.1,"t":"2029-01-21T00:40:00Z","terrain":-0.25},{"above_terrain":false,"airmass":null,"alt":-1.25,"az":334.9,"t":"2029-01-21T00:45:00Z","terrain":-0.56},{"above_terrain":false,"airmass":null,"alt":-1.64,"az":335.8,"t":"2029-01-21T00:50:00Z","terrain":-0.78},{"above_terrain":false,"airmass":null,"alt":-2.01,"az":336.6,"t":"2029-01-21T00:55:00Z","terrain":-0.77},{"above_terrain":false,"airmass":null,"alt":-2.38,"az":337.5,"t":"2029-01-21T01:00:00Z","terrain":-0.6},{"above_terrain":false,"airmass":null,"alt":-2.73,"az":338.4,"t":"2029-01-21T01:05:00Z","terrain":-0.57},{"above_terrain":false,"airmass":null,"alt":-3.07,"az":339.3,"t":"2029-01-21T01:10:00Z","terrain":-0.69},{"above_terrain":false,"airmass":null,"alt":-3.39,"az":340.1,"t":"2029-01-21T01:15:00Z","terrain":-0.52},{"above_terrain":false,"airmass":null,"alt":-3.71,"az":341.0,"t":"2029-01-21T01:20:00Z","terrain":-0.44},{"above_terrain":false,"airmass":null,"alt":-4.0,"az":341.9,"t":"2029-01-21T01:25:00Z","terrain":-0.49},{"above_terrain":false,"airmass":null,"alt":-4.29,"az":342.8,"t":"2029-01-21T01:30:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-4.56,"az":343.7,"t":"2029-01-21T01:35:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-4.81,"az":344.6,"t":"2029-01-21T01:40:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-5.05,"az":345.5,"t":"2029-01-21T01:45:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-5.28,"az":346.5,"t":"2029-01-21T01:50:00Z","terrain":-0.49},{"above_terrain":false,"airmass":null,"alt":-5.49,"az":347.4,"t":"2029-01-21T01:55:00Z","terrain":-0.32},{"above_terrain":false,"airmass":null,"alt":-5.69,"az":348.3,"t":"2029-01-21T02:00:00Z","terrain":-0.1},{"above_terrain":false,"airmass":null,"alt":-5.87,"az":349.2,"t":"2029-01-21T02:05:00Z","terrain":0.03},{"above_terrain":false,"airmass":null,"alt":-6.04,"az":350.2,"t":"2029-01-21T02:10:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-6.19,"az":351.1,"t":"2029-01-21T02:15:00Z","terrain":0.15},{"above_terrain":false,"airmass":null,"alt":-6.33,"az":352.0,"t":"2029-01-21T02:20:00Z","terrain":0.27},{"above_terrain":false,"airmass":null,"alt":-6.45,"az":353.0,"t":"2029-01-21T02:25:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-6.56,"az":353.9,"t":"2029-01-21T02:30:00Z","terrain":0.61},{"above_terrain":false,"airmass":null,"alt":-6.65,"az":354.8,"t":"2029-01-21T02:35:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-6.73,"az":355.8,"t":"2029-01-21T02:40:00Z","terrain":0.72},{"above_terrain":false,"airmass":null,"alt":-6.79,"az":356.7,"t":"2029-01-21T02:45:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-6.83,"az":357.7,"t":"2029-01-21T02:50:00Z","terrain":0.66},{"above_terrain":false,"airmass":null,"alt":-6.86,"az":358.6,"t":"2029-01-21T02:55:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-6.88,"az":359.6,"t":"2029-01-21T03:00:00Z","terrain":0.55},{"above_terrain":false,"airmass":null,"alt":-6.88,"az":0.5,"t":"2029-01-21T03:05:00Z","terrain":0.43},{"above_terrain":false,"airmass":null,"alt":-6.86,"az":1.5,"t":"2029-01-21T03:10:00Z","terrain":0.26},{"above_terrain":false,"airmass":null,"alt":-6.83,"az":2.4,"t":"2029-01-21T03:15:00Z","terrain":0.02},{"above_terrain":false,"airmass":null,"alt":-6.78,"az":3.3,"t":"2029-01-21T03:20:00Z","terrain":-0.18},{"above_terrain":false,"airmass":null,"alt":-6.72,"az":4.3,"t":"2029-01-21T03:25:00Z","terrain":-0.32},{"above_terrain":false,"airmass":null,"alt":-6.64,"az":5.2,"t":"2029-01-21T03:30:00Z","terrain":-0.47},{"above_terrain":false,"airmass":null,"alt":-6.55,"az":6.2,"t":"2029-01-21T03:35:00Z","terrain":-0.56},{"above_terrain":false,"airmass":null,"alt":-6.44,"az":7.1,"t":"2029-01-21T03:40:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-6.32,"az":8.1,"t":"2029-01-21T03:45:00Z","terrain":-0.42},{"above_terrain":false,"airmass":null,"alt":-6.18,"az":9.0,"t":"2029-01-21T03:50:00Z","terrain":-0.66},{"above_terrain":false,"airmass":null,"alt":-6.03,"az":9.9,"t":"2029-01-21T03:55:00Z","terrain":-0.6},{"above_terrain":false,"airmass":null,"alt":-5.86,"az":10.9,"t":"2029-01-21T04:00:00Z","terrain":-0.43},{"above_terrain":false,"airmass":null,"alt":-5.67,"az":11.8,"t":"2029-01-21T04:05:00Z","terrain":-0.23},{"above_terrain":false,"airmass":null,"alt":-5.47,"az":12.7,"t":"2029-01-21T04:10:00Z","terrain":-0.1},{"above_terrain":false,"airmass":null,"alt":-5.26,"az":13.6,"t":"2029-01-21T04:15:00Z","terrain":0.03},{"above_terrain":false,"airmass":null,"alt":-5.03,"az":14.5,"t":"2029-01-21T04:20:00Z","terrain":0.26},{"above_terrain":false,"airmass":null,"alt":-4.79,"az":15.4,"t":"2029-01-21T04:25:00Z","terrain":0.45},{"above_terrain":false,"airmass":null,"alt":-4.54,"az":16.4,"t":"2029-01-21T04:30:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-4.26,"az":17.3,"t":"2029-01-21T04:35:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-3.98,"az":18.2,"t":"2029-01-21T04:40:00Z","terrain":0.54},{"above_terrain":false,"airmass":null,"alt":-3.68,"az":19.0,"t":"2029-01-21T04:45:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-3.37,"az":19.9,"t":"2029-01-21T04:50:00Z","terrain":0.67},{"above_terrain":false,"airmass":null,"alt":-3.04,"az":20.8,"t":"2029-01-21T04:55:00Z","terrain":0.69},{"above_terrain":false,"airmass":null,"alt":-2.7,"az":21.7,"t":"2029-01-21T05:00:00Z","terrain":0.9},{"above_terrain":false,"airmass":null,"alt":-2.35,"az":22.6,"t":"2029-01-21T05:05:00Z","terrain":1.09},{"above_terrain":false,"airmass":null,"alt":-1.99,"az":23.4,"t":"2029-01-21T05:10:00Z","terrain":1.06},{"above_terrain":false,"airmass":null,"alt":-1.61,"az":24.3,"t":"2029-01-21T05:15:00Z","terrain":1.01},{"above_terrain":false,"airmass":null,"alt":-1.22,"az":25.1,"t":"2029-01-21T05:20:00Z","terrain":1.24},{"above_terrain":false,"airmass":null,"alt":-0.81,"az":26.0,"t":"2029-01-21T05:25:00Z","terrain":1.34},{"above_terrain":false,"airmass":null,"alt":-0.4,"az":26.8,"t":"2029-01-21T05:30:00Z","terrain":1.29},{"above_terrain":false,"airmass":37.42,"alt":0.03,"az":27.7,"t":"2029-01-21T05:35:00Z","terrain":1.22},{"above_terrain":false,"airmass":31.65,"alt":0.47,"az":28.5,"t":"2029-01-21T05:40:00Z","terrain":1.09},{"above_terrain":false,"airmass":26.97,"alt":0.93,"az":29.3,"t":"2029-01-21T05:45:00Z","terrain":1.05},{"above_terrain":true,"airmass":23.2,"alt":1.39,"az":30.1,"t":"2029-01-21T05:50:00Z","terrain":1.17},{"above_terrain":true,"airmass":20.16,"alt":1.87,"az":31.0,"t":"2029-01-21T05:55:00Z","terrain":1.3},{"above_terrain":true,"airmass":17.7,"alt":2.35,"az":31.8,"t":"2029-01-21T06:00:00Z","terrain":1.33},{"above_terrain":true,"airmass":15.67,"alt":2.85,"az":32.6,"t":"2029-01-21T06:05:00Z","terrain":1.14},{"above_terrain":true,"airmass":13.99,"alt":3.36,"az":33.4,"t":"2029-01-21T06:10:00Z","terrain":0.79},{"above_terrain":true,"airmass":12.59,"alt":3.88,"az":34.1,"t":"2029-01-21T06:15:00Z","terrain":0.38},{"above_terrain":true,"airmass":11.4,"alt":4.41,"az":34.9,"t":"2029-01-21T06:20:00Z","terrain":0.08},{"above_terrain":true,"airmass":10.39,"alt":4.95,"az":35.7,"t":"2029-01-21T06:25:00Z","terrain":0.04},{"above_terrain":true,"airmass":9.52,"alt":5.5,"az":36.4,"t":"2029-01-21T06:30:00Z","terrain":-0.02},{"above_terrain":true,"airmass":8.76,"alt":6.06,"az":37.2,"t":"2029-01-21T06:35:00Z","terrain":-0.11},{"above_terrain":true,"airmass":8.1,"alt":6.64,"az":38.0,"t":"2029-01-21T06:40:00Z","terrain":-0.2},{"above_terrain":true,"airmass":7.52,"alt":7.22,"az":38.7,"t":"2029-01-21T06:45:00Z","terrain":-0.17},{"above_terrain":true,"airmass":7.01,"alt":7.81,"az":39.4,"t":"2029-01-21T06:50:00Z","terrain":-0.11},{"above_terrain":true,"airmass":6.56,"alt":8.41,"az":40.2,"t":"2029-01-21T06:55:00Z","terrain":-0.04},{"above_terrain":true,"airmass":6.15,"alt":9.01,"az":40.9,"t":"2029-01-21T07:00:00Z","terrain":0.01},{"above_terrain":true,"airmass":5.78,"alt":9.63,"az":41.6,"t":"2029-01-21T07:05:00Z","terrain":0.08},{"above_terrain":true,"airmass":5.46,"alt":10.26,"az":42.3,"t":"2029-01-21T07:10:00Z","terrain":0.16},{"above_terrain":true,"airmass":5.16,"alt":10.89,"az":43.0,"t":"2029-01-21T07:15:00Z","terrain":0.26},{"above_terrain":true,"airmass":4.89,"alt":11.53,"az":43.7,"t":"2029-01-21T07:20:00Z","terrain":0.37},{"above_terrain":true,"airmass":4.64,"alt":12.18,"az":44.4,"t":"2029-01-21T07:25:00Z","terrain":0.48},{"above_terrain":true,"airmass":4.42,"alt":12.84,"az":45.1,"t":"2029-01-21T07:30:00Z","terrain":0.59},{"above_terrain":true,"airmass":4.21,"alt":13.51,"az":45.8,"t":"2029-01-21T07:35:00Z","terrain":0.65},{"above_terrain":true,"airmass":4.02,"alt":14.19,"az":46.5,"t":"2029-01-21T07:40:00Z","terrain":0.64},{"above_terrain":true,"airmass":3.85,"alt":14.87,"az":47.1,"t":"2029-01-21T07:45:00Z","terrain":0.6},{"above_terrain":true,"airmass":3.68,"alt":15.56,"az":47.8,"t":"2029-01-21T07:50:00Z","terrain":0.55},{"above_terrain":true,"airmass":3.53,"alt":16.25,"az":48.4,"t":"2029-01-21T07:55:00Z","terrain":0.48},{"above_terrain":true,"airmass":3.39,"alt":16.96,"az":49.1,"t":"2029-01-21T08:00:00Z","terrain":0.41},{"above_terrain":true,"airmass":3.26,"alt":17.67,"az":49.7,"t":"2029-01-21T08:05:00Z","terrain":0.4},{"above_terrain":true,"airmass":3.14,"alt":18.39,"az":50.4,"t":"2029-01-21T08:10:00Z","terrain":0.45},{"above_terrain":true,"airmass":3.03,"alt":19.11,"az":51.0,"t":"2029-01-21T08:15:00Z","terrain":0.53},{"above_terrain":true,"airmass":2.92,"alt":19.84,"az":51.6,"t":"2029-01-21T08:20:00Z","terrain":0.59},{"above_terrain":true,"airmass":2.83,"alt":20.58,"az":52.3,"t":"2029-01-21T08:25:00Z","terrain":0.68},{"above_terrain":true,"airmass":2.73,"alt":21.32,"az":52.9,"t":"2029-01-21T08:30:00Z","terrain":0.81},{"above_terrain":true,"airmass":2.65,"alt":22.07,"az":53.5,"t":"2029-01-21T08:35:00Z","terrain":0.92},{"above_terrain":true,"airmass":2.56,"alt":22.83,"az":54.1,"t":"2029-01-21T08:40:00Z","terrain":1.01},{"above_terrain":true,"airmass":2.49,"alt":23.59,"az":54.7,"t":"2029-01-21T08:45:00Z","terrain":1.06},{"above_terrain":true,"airmass":2.41,"alt":24.35,"az":55.3,"t":"2029-01-21T08:50:00Z","terrain":1.07},{"above_terrain":true,"airmass":2.35,"alt":25.13,"az":55.9,"t":"2029-01-21T08:55:00Z","terrain":1.05},{"above_terrain":true,"airmass":2.28,"alt":25.9,"az":56.5,"t":"2029-01-21T09:00:00Z","terrain":1.06},{"above_terrain":true,"airmass":2.22,"alt":26.69,"az":57.0,"t":"2029-01-21T09:05:00Z","terrain":1.08},{"above_terrain":true,"airmass":2.16,"alt":27.47,"az":57.6,"t":"2029-01-21T09:10:00Z","terrain":1.18},{"above_terrain":true,"airmass":2.1,"alt":28.27,"az":58.2,"t":"2029-01-21T09:15:00Z","terrain":1.24},{"above_terrain":true,"airmass":2.05,"alt":29.07,"az":58.8,"t":"2029-01-21T09:20:00Z","terrain":1.22},{"above_terrain":true,"airmass":2.0,"alt":29.87,"az":59.3,"t":"2029-01-21T09:25:00Z","terrain":1.2},{"above_terrain":true,"airmass":1.95,"alt":30.67,"az":59.9,"t":"2029-01-21T09:30:00Z","terrain":1.18},{"above_terrain":true,"airmass":1.91,"alt":31.49,"az":60.4,"t":"2029-01-21T09:35:00Z","terrain":1.14},{"above_terrain":true,"airmass":1.87,"alt":32.3,"az":61.0,"t":"2029-01-21T09:40:00Z","terrain":1.09},{"above_terrain":true,"airmass":1.83,"alt":33.12,"az":61.5,"t":"2029-01-21T09:45:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.79,"alt":33.95,"az":62.1,"t":"2029-01-21T09:50:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.75,"alt":34.78,"az":62.6,"t":"2029-01-21T09:55:00Z","terrain":0.95},{"above_terrain":true,"airmass":1.71,"alt":35.61,"az":63.1,"t":"2029-01-21T10:00:00Z","terrain":0.89}],"transit":{"airmass":1.0,"alt":89.7,"az":207.3,"t":"2029-01-20T15:05:00Z"},"usable_hours":4.75,"verdict":"good","zenith_passage":true},"warnings":["No cloud data for this night (beyond the 4-day forecast, or not yet in the archive) \u2014 the score is geometry only."]}