{"assessment":{"best_window":{"end":"2029-12-20T17:30Z","end_local":"19:30","hours":0.92,"label":"good","mean_quality":0.62,"start":"2029-12-20T16:35Z","start_local":"18:35"},"cost":{"altitude":5.37,"clouds":0.0,"darkness":1.37,"moon":3.2},"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":66,"cloud":null,"high":null,"iso":"2029-12-20T15:00Z","label":"unusable","low":null,"mid":null,"moon_alt":4,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"17:00","wind":null},{"alt":77,"cloud":null,"high":null,"iso":"2029-12-20T16:00Z","label":"marginal","low":null,"mid":null,"moon_alt":13,"precip":null,"q":0.33,"rh":null,"sky":"astronomical twilight","temp":null,"time":"18:00","wind":null},{"alt":89,"cloud":null,"high":null,"iso":"2029-12-20T17:00Z","label":"good","low":null,"mid":null,"moon_alt":24,"precip":null,"q":0.62,"rh":null,"sky":"night","temp":null,"time":"19:00","wind":null},{"alt":80,"cloud":null,"high":null,"iso":"2029-12-20T18:00Z","label":"marginal","low":null,"mid":null,"moon_alt":35,"precip":null,"q":0.58,"rh":null,"sky":"night","temp":null,"time":"20:00","wind":null},{"alt":69,"cloud":null,"high":null,"iso":"2029-12-20T19:00Z","label":"marginal","low":null,"mid":null,"moon_alt":46,"precip":null,"q":0.54,"rh":null,"sky":"night","temp":null,"time":"21:00","wind":null},{"alt":58,"cloud":null,"high":null,"iso":"2029-12-20T20:00Z","label":"marginal","low":null,"mid":null,"moon_alt":56,"precip":null,"q":0.5,"rh":null,"sky":"night","temp":null,"time":"22:00","wind":null},{"alt":47,"cloud":null,"high":null,"iso":"2029-12-20T21:00Z","label":"marginal","low":null,"mid":null,"moon_alt":65,"precip":null,"q":0.44,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":37,"cloud":null,"high":null,"iso":"2029-12-20T22:00Z","label":"marginal","low":null,"mid":null,"moon_alt":71,"precip":null,"q":0.4,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":27,"cloud":null,"high":null,"iso":"2029-12-20T23:00Z","label":"marginal","low":null,"mid":null,"moon_alt":69,"precip":null,"q":0.33,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":18,"cloud":null,"high":null,"iso":"2029-12-21T00:00Z","label":"unusable","low":null,"mid":null,"moon_alt":62,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":10,"cloud":null,"high":null,"iso":"2029-12-21T01:00Z","label":"unusable","low":null,"mid":null,"moon_alt":52,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":3,"cloud":null,"high":null,"iso":"2029-12-21T02:00Z","label":"unusable","low":null,"mid":null,"moon_alt":41,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":-2,"cloud":null,"high":null,"iso":"2029-12-21T03:00Z","label":"unusable","low":null,"mid":null,"moon_alt":30,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"05:00","wind":null},{"alt":-6,"cloud":null,"high":null,"iso":"2029-12-21T04:00Z","label":"unusable","low":null,"mid":null,"moon_alt":19,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"06:00","wind":null},{"alt":-7,"cloud":null,"high":null,"iso":"2029-12-21T05:00Z","label":"unusable","low":null,"mid":null,"moon_alt":9,"precip":null,"q":0.0,"rh":null,"sky":"nautical twilight","temp":null,"time":"07:00","wind":null}],"peak_quality":0.64,"peak_sky":0.64,"quality_hours":3.69,"reasons":["the target being low or below 20\u00b0 cost 5.4 quality-hours","moonlight cost 3.2 quality-hours","daylight and twilight cost 1.4 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":59,"score_weather":null,"sky_hours":3.69,"verdict":"unknown","verdict_astronomy":"marginal","weather_known":false,"windows":[{"end":"2029-12-20T15:25Z","end_local":"17:25","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2029-12-20T14:50Z","start_local":"16:50"},{"end":"2029-12-20T16:00Z","end_local":"18:00","hours":0.58,"label":"poor","mean_quality":0.1,"start":"2029-12-20T15:25Z","start_local":"17:25"},{"end":"2029-12-20T16:35Z","end_local":"18:35","hours":0.58,"label":"marginal","mean_quality":0.33,"start":"2029-12-20T16:00Z","start_local":"18:00"},{"end":"2029-12-20T17:30Z","end_local":"19:30","hours":0.92,"label":"good","mean_quality":0.62,"start":"2029-12-20T16:35Z","start_local":"18:35"},{"end":"2029-12-20T23:10Z","end_local":"01:10","hours":5.67,"label":"marginal","mean_quality":0.48,"start":"2029-12-20T17:30Z","start_local":"19:30"},{"end":"2029-12-20T23:50Z","end_local":"01:50","hours":0.67,"label":"poor","mean_quality":0.25,"start":"2029-12-20T23:10Z","start_local":"01:10"},{"end":"2029-12-21T05:45Z","end_local":"07:45","hours":5.92,"label":"unusable","mean_quality":0.0,"start":"2029-12-20T23:50Z","start_local":"01:50"}]},"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":"2029-12-20T16:33:45Z","dark_hours":11.51,"dark_to":"2029-12-21T04:04:12Z","moon":{"illumination":1.0,"phase":"full moon","waxing":true},"moon_free_dark_hours":0.0,"moonrise":"2029-12-20T14:38:18Z","moonset":"2029-12-21T05:54:31Z","sunrise":"2029-12-21T05:44:43Z","sunset":"2029-12-20T14:53:14Z","twilight":{"astronomical":{"end":"2029-12-20T16:33:45Z","start":"2029-12-21T04:04:12Z"},"civil":{"end":"2029-12-20T15:24:49Z","start":"2029-12-21T05:13:08Z"},"nautical":{"end":"2029-12-20T15:59:53Z","start":"2029-12-21T04:38:03Z"}},"window_end":"2029-12-21T10:00:00Z","window_start":"2029-12-20T10:00:00Z"},"night_date":"2029-12-20","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.0,"alt":89.5,"t":"2029-12-20T17:05:00Z"},"dec":41.26875,"dec_of_date":41.4326,"dec_str":"+41\u00b0 16' 07.5\"","good_hours":6.17,"limit_rise":"2029-12-20T10:27:52Z","limit_set":"2029-12-20T23:46:27Z","max_az_rate_deg_per_min":24.33,"moon_separation":66.5,"never_rises":false,"ra":10.68470833,"ra_of_date":11.0964,"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":"6.2 dark hours above 30\u00b0 \u2014 a proper target for this night.","terrain":{"available":true,"behind_at":"2029-12-21T02:34:26Z","blocked_dark_hours":0,"clears_at":"2029-12-21T07:49:40Z","rise_az":48.2},"track":[{"above_terrain":true,"airmass":3.59,"alt":16.0,"az":48.2,"t":"2029-12-20T10:00:00Z","terrain":0.51},{"above_terrain":true,"airmass":3.44,"alt":16.7,"az":48.9,"t":"2029-12-20T10:05:00Z","terrain":0.43},{"above_terrain":true,"airmass":3.31,"alt":17.41,"az":49.5,"t":"2029-12-20T10:10:00Z","terrain":0.4},{"above_terrain":true,"airmass":3.19,"alt":18.13,"az":50.1,"t":"2029-12-20T10:15:00Z","terrain":0.42},{"above_terrain":true,"airmass":3.07,"alt":18.85,"az":50.8,"t":"2029-12-20T10:20:00Z","terrain":0.5},{"above_terrain":true,"airmass":2.96,"alt":19.58,"az":51.4,"t":"2029-12-20T10:25:00Z","terrain":0.57},{"above_terrain":true,"airmass":2.86,"alt":20.31,"az":52.0,"t":"2029-12-20T10:30:00Z","terrain":0.64},{"above_terrain":true,"airmass":2.77,"alt":21.05,"az":52.6,"t":"2029-12-20T10:35:00Z","terrain":0.77},{"above_terrain":true,"airmass":2.68,"alt":21.8,"az":53.3,"t":"2029-12-20T10:40:00Z","terrain":0.88},{"above_terrain":true,"airmass":2.59,"alt":22.55,"az":53.9,"t":"2029-12-20T10:45:00Z","terrain":0.98},{"above_terrain":true,"airmass":2.51,"alt":23.31,"az":54.5,"t":"2029-12-20T10:50:00Z","terrain":1.04},{"above_terrain":true,"airmass":2.44,"alt":24.08,"az":55.1,"t":"2029-12-20T10:55:00Z","terrain":1.08},{"above_terrain":true,"airmass":2.37,"alt":24.85,"az":55.7,"t":"2029-12-20T11:00:00Z","terrain":1.06},{"above_terrain":true,"airmass":2.3,"alt":25.62,"az":56.2,"t":"2029-12-20T11:05:00Z","terrain":1.05},{"above_terrain":true,"airmass":2.24,"alt":26.4,"az":56.8,"t":"2029-12-20T11:10:00Z","terrain":1.07},{"above_terrain":true,"airmass":2.18,"alt":27.19,"az":57.4,"t":"2029-12-20T11:15:00Z","terrain":1.14},{"above_terrain":true,"airmass":2.12,"alt":27.98,"az":58.0,"t":"2029-12-20T11:20:00Z","terrain":1.25},{"above_terrain":true,"airmass":2.07,"alt":28.78,"az":58.5,"t":"2029-12-20T11:25:00Z","terrain":1.23},{"above_terrain":true,"airmass":2.02,"alt":29.58,"az":59.1,"t":"2029-12-20T11:30:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.97,"alt":30.38,"az":59.7,"t":"2029-12-20T11:35:00Z","terrain":1.18},{"above_terrain":true,"airmass":1.93,"alt":31.19,"az":60.2,"t":"2029-12-20T11:40:00Z","terrain":1.15},{"above_terrain":true,"airmass":1.88,"alt":32.01,"az":60.8,"t":"2029-12-20T11:45:00Z","terrain":1.11},{"above_terrain":true,"airmass":1.84,"alt":32.83,"az":61.3,"t":"2029-12-20T11:50:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.8,"alt":33.65,"az":61.9,"t":"2029-12-20T11:55:00Z","terrain":1.02},{"above_terrain":true,"airmass":1.76,"alt":34.48,"az":62.4,"t":"2029-12-20T12:00:00Z","terrain":0.97},{"above_terrain":true,"airmass":1.73,"alt":35.31,"az":62.9,"t":"2029-12-20T12:05:00Z","terrain":0.92},{"above_terrain":true,"airmass":1.69,"alt":36.14,"az":63.5,"t":"2029-12-20T12:10:00Z","terrain":0.85},{"above_terrain":true,"airmass":1.66,"alt":36.98,"az":64.0,"t":"2029-12-20T12:15:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.63,"alt":37.83,"az":64.5,"t":"2029-12-20T12:20:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.6,"alt":38.67,"az":65.0,"t":"2029-12-20T12:25:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.57,"alt":39.52,"az":65.5,"t":"2029-12-20T12:30:00Z","terrain":0.8},{"above_terrain":true,"airmass":1.54,"alt":40.38,"az":66.1,"t":"2029-12-20T12:35:00Z","terrain":0.84},{"above_terrain":true,"airmass":1.52,"alt":41.23,"az":66.6,"t":"2029-12-20T12:40:00Z","terrain":0.89},{"above_terrain":true,"airmass":1.49,"alt":42.09,"az":67.1,"t":"2029-12-20T12:45:00Z","terrain":0.93},{"above_terrain":true,"airmass":1.47,"alt":42.96,"az":67.6,"t":"2029-12-20T12:50:00Z","terrain":0.96},{"above_terrain":true,"airmass":1.44,"alt":43.82,"az":68.1,"t":"2029-12-20T12:55:00Z","terrain":0.99},{"above_terrain":true,"airmass":1.42,"alt":44.69,"az":68.6,"t":"2029-12-20T13:00:00Z","terrain":1.02},{"above_terrain":true,"airmass":1.4,"alt":45.57,"az":69.1,"t":"2029-12-20T13:05:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.38,"alt":46.44,"az":69.6,"t":"2029-12-20T13:10:00Z","terrain":1.14},{"above_terrain":true,"airmass":1.36,"alt":47.32,"az":70.0,"t":"2029-12-20T13:15:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.34,"alt":48.2,"az":70.5,"t":"2029-12-20T13:20:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.32,"alt":49.09,"az":71.0,"t":"2029-12-20T13:25:00Z","terrain":1.26},{"above_terrain":true,"airmass":1.3,"alt":49.97,"az":71.5,"t":"2029-12-20T13:30:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.29,"alt":50.86,"az":72.0,"t":"2029-12-20T13:35:00Z","terrain":1.2},{"above_terrain":true,"airmass":1.27,"alt":51.75,"az":72.5,"t":"2029-12-20T13:40:00Z","terrain":1.11},{"above_terrain":true,"airmass":1.26,"alt":52.65,"az":72.9,"t":"2029-12-20T13:45:00Z","terrain":1.01},{"above_terrain":true,"airmass":1.24,"alt":53.54,"az":73.4,"t":"2029-12-20T13:50:00Z","terrain":0.89},{"above_terrain":true,"airmass":1.23,"alt":54.44,"az":73.9,"t":"2029-12-20T13:55:00Z","terrain":0.76},{"above_terrain":true,"airmass":1.21,"alt":55.34,"az":74.3,"t":"2029-12-20T14:00:00Z","terrain":0.7},{"above_terrain":true,"airmass":1.2,"alt":56.24,"az":74.8,"t":"2029-12-20T14:05:00Z","terrain":0.65},{"above_terrain":true,"airmass":1.19,"alt":57.15,"az":75.3,"t":"2029-12-20T14:10:00Z","terrain":0.65},{"above_terrain":true,"airmass":1.18,"alt":58.05,"az":75.7,"t":"2029-12-20T14:15:00Z","terrain":0.7},{"above_terrain":true,"airmass":1.17,"alt":58.96,"az":76.2,"t":"2029-12-20T14:20:00Z","terrain":0.72},{"above_terrain":true,"airmass":1.16,"alt":59.87,"az":76.7,"t":"2029-12-20T14:25:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.15,"alt":60.78,"az":77.1,"t":"2029-12-20T14:30:00Z","terrain":0.69},{"above_terrain":true,"airmass":1.14,"alt":61.7,"az":77.6,"t":"2029-12-20T14:35:00Z","terrain":0.66},{"above_terrain":true,"airmass":1.13,"alt":62.61,"az":78.0,"t":"2029-12-20T14:40:00Z","terrain":0.63},{"above_terrain":true,"airmass":1.12,"alt":63.53,"az":78.5,"t":"2029-12-20T14:45:00Z","terrain":0.6},{"above_terrain":true,"airmass":1.11,"alt":64.44,"az":79.0,"t":"2029-12-20T14:50:00Z","terrain":0.57},{"above_terrain":true,"airmass":1.1,"alt":65.36,"az":79.4,"t":"2029-12-20T14:55:00Z","terrain":0.52},{"above_terrain":true,"airmass":1.09,"alt":66.28,"az":79.9,"t":"2029-12-20T15:00:00Z","terrain":0.47},{"above_terrain":true,"airmass":1.08,"alt":67.21,"az":80.3,"t":"2029-12-20T15:05:00Z","terrain":0.53},{"above_terrain":true,"airmass":1.08,"alt":68.13,"az":80.8,"t":"2029-12-20T15:10:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.07,"alt":69.05,"az":81.3,"t":"2029-12-20T15:15:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.06,"alt":69.98,"az":81.7,"t":"2029-12-20T15:20:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.06,"alt":70.91,"az":82.2,"t":"2029-12-20T15:25:00Z","terrain":0.74},{"above_terrain":true,"airmass":1.05,"alt":71.83,"az":82.7,"t":"2029-12-20T15:30:00Z","terrain":0.58},{"above_terrain":true,"airmass":1.05,"alt":72.76,"az":83.1,"t":"2029-12-20T15:35:00Z","terrain":0.46},{"above_terrain":true,"airmass":1.04,"alt":73.69,"az":83.6,"t":"2029-12-20T15:40:00Z","terrain":0.42},{"above_terrain":true,"airmass":1.04,"alt":74.62,"az":84.1,"t":"2029-12-20T15:45:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.03,"alt":75.55,"az":84.6,"t":"2029-12-20T15:50:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.03,"alt":76.49,"az":85.1,"t":"2029-12-20T15:55:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.02,"alt":77.42,"az":85.6,"t":"2029-12-20T16:00:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.02,"alt":78.35,"az":86.1,"t":"2029-12-20T16:05:00Z","terrain":0.16},{"above_terrain":true,"airmass":1.02,"alt":79.29,"az":86.6,"t":"2029-12-20T16:10:00Z","terrain":0.11},{"above_terrain":true,"airmass":1.01,"alt":80.22,"az":87.2,"t":"2029-12-20T16:15:00Z","terrain":0.05},{"above_terrain":true,"airmass":1.01,"alt":81.16,"az":87.8,"t":"2029-12-20T16:20:00Z","terrain":-0.04},{"above_terrain":true,"airmass":1.01,"alt":82.09,"az":88.4,"t":"2029-12-20T16:25:00Z","terrain":-0.12},{"above_terrain":true,"airmass":1.01,"alt":83.03,"az":89.0,"t":"2029-12-20T16:30:00Z","terrain":-0.2},{"above_terrain":true,"airmass":1.01,"alt":83.96,"az":89.8,"t":"2029-12-20T16:35:00Z","terrain":-0.22},{"above_terrain":true,"airmass":1.0,"alt":84.9,"az":90.7,"t":"2029-12-20T16:40:00Z","terrain":-0.13},{"above_terrain":true,"airmass":1.0,"alt":85.84,"az":91.7,"t":"2029-12-20T16:45:00Z","terrain":0.05},{"above_terrain":true,"airmass":1.0,"alt":86.77,"az":93.2,"t":"2029-12-20T16:50:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.0,"alt":87.7,"az":95.5,"t":"2029-12-20T16:55:00Z","terrain":0.46},{"above_terrain":true,"airmass":1.0,"alt":88.63,"az":100.4,"t":"2029-12-20T17:00:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.0,"alt":89.52,"az":122.5,"t":"2029-12-20T17:05:00Z","terrain":-1.3},{"above_terrain":true,"airmass":1.0,"alt":89.41,"az":244.2,"t":"2029-12-20T17:10:00Z","terrain":0.95},{"above_terrain":true,"airmass":1.0,"alt":88.51,"az":260.6,"t":"2029-12-20T17:15:00Z","terrain":0.73},{"above_terrain":true,"airmass":1.0,"alt":87.58,"az":264.9,"t":"2029-12-20T17:20:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.0,"alt":86.64,"az":267.0,"t":"2029-12-20T17:25:00Z","terrain":0.57},{"above_terrain":true,"airmass":1.0,"alt":85.71,"az":268.4,"t":"2029-12-20T17:30:00Z","terrain":0.69},{"above_terrain":true,"airmass":1.0,"alt":84.77,"az":269.5,"t":"2029-12-20T17:35:00Z","terrain":0.82},{"above_terrain":true,"airmass":1.01,"alt":83.84,"az":270.3,"t":"2029-12-20T17:40:00Z","terrain":0.86},{"above_terrain":true,"airmass":1.01,"alt":82.9,"az":271.1,"t":"2029-12-20T17:45:00Z","terrain":0.76},{"above_terrain":true,"airmass":1.01,"alt":81.97,"az":271.7,"t":"2029-12-20T17:50:00Z","terrain":0.52},{"above_terrain":true,"airmass":1.01,"alt":81.03,"az":272.3,"t":"2029-12-20T17:55:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.01,"alt":80.1,"az":272.9,"t":"2029-12-20T18:00:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.02,"alt":79.16,"az":273.5,"t":"2029-12-20T18:05:00Z","terrain":0.06},{"above_terrain":true,"airmass":1.02,"alt":78.23,"az":274.0,"t":"2029-12-20T18:10:00Z","terrain":-0.03},{"above_terrain":true,"airmass":1.02,"alt":77.29,"az":274.5,"t":"2029-12-20T18:15:00Z","terrain":0.03},{"above_terrain":true,"airmass":1.03,"alt":76.36,"az":275.0,"t":"2029-12-20T18:20:00Z","terrain":0.09},{"above_terrain":true,"airmass":1.03,"alt":75.43,"az":275.5,"t":"2029-12-20T18:25:00Z","terrain":0.04},{"above_terrain":true,"airmass":1.04,"alt":74.5,"az":276.0,"t":"2029-12-20T18:30:00Z","terrain":-0.01},{"above_terrain":true,"airmass":1.04,"alt":73.57,"az":276.5,"t":"2029-12-20T18:35:00Z","terrain":-0.07},{"above_terrain":true,"airmass":1.05,"alt":72.64,"az":276.9,"t":"2029-12-20T18:40:00Z","terrain":-0.13},{"above_terrain":true,"airmass":1.05,"alt":71.71,"az":277.4,"t":"2029-12-20T18:45:00Z","terrain":-0.12},{"above_terrain":true,"airmass":1.06,"alt":70.78,"az":277.9,"t":"2029-12-20T18:50:00Z","terrain":-0.09},{"above_terrain":true,"airmass":1.06,"alt":69.85,"az":278.3,"t":"2029-12-20T18:55:00Z","terrain":-0.06},{"above_terrain":true,"airmass":1.07,"alt":68.93,"az":278.8,"t":"2029-12-20T19:00:00Z","terrain":-0.03},{"above_terrain":true,"airmass":1.08,"alt":68.0,"az":279.3,"t":"2029-12-20T19:05:00Z","terrain":-0.05},{"above_terrain":true,"airmass":1.09,"alt":67.08,"az":279.7,"t":"2029-12-20T19:10:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.09,"alt":66.16,"az":280.2,"t":"2029-12-20T19:15:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.1,"alt":65.24,"az":280.6,"t":"2029-12-20T19:20:00Z","terrain":-0.03},{"above_terrain":true,"airmass":1.11,"alt":64.32,"az":281.1,"t":"2029-12-20T19:25:00Z","terrain":0.01},{"above_terrain":true,"airmass":1.12,"alt":63.4,"az":281.6,"t":"2029-12-20T19:30:00Z","terrain":-0.06},{"above_terrain":true,"airmass":1.13,"alt":62.49,"az":282.0,"t":"2029-12-20T19:35:00Z","terrain":-0.13},{"above_terrain":true,"airmass":1.14,"alt":61.57,"az":282.5,"t":"2029-12-20T19:40:00Z","terrain":-0.07},{"above_terrain":true,"airmass":1.15,"alt":60.66,"az":282.9,"t":"2029-12-20T19:45:00Z","terrain":-0.02},{"above_terrain":true,"airmass":1.16,"alt":59.75,"az":283.4,"t":"2029-12-20T19:50:00Z","terrain":0.04},{"above_terrain":true,"airmass":1.17,"alt":58.84,"az":283.9,"t":"2029-12-20T19:55:00Z","terrain":0.1},{"above_terrain":true,"airmass":1.18,"alt":57.93,"az":284.3,"t":"2029-12-20T20:00:00Z","terrain":0.16},{"above_terrain":true,"airmass":1.19,"alt":57.02,"az":284.8,"t":"2029-12-20T20:05:00Z","terrain":0.21},{"above_terrain":true,"airmass":1.2,"alt":56.12,"az":285.3,"t":"2029-12-20T20:10:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.22,"alt":55.22,"az":285.7,"t":"2029-12-20T20:15:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.23,"alt":54.32,"az":286.2,"t":"2029-12-20T20:20:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.24,"alt":53.42,"az":286.7,"t":"2029-12-20T20:25:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.26,"alt":52.52,"az":287.1,"t":"2029-12-20T20:30:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.27,"alt":51.63,"az":287.6,"t":"2029-12-20T20:35:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.29,"alt":50.74,"az":288.1,"t":"2029-12-20T20:40:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.31,"alt":49.85,"az":288.6,"t":"2029-12-20T20:45:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.32,"alt":48.97,"az":289.1,"t":"2029-12-20T20:50:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.34,"alt":48.08,"az":289.5,"t":"2029-12-20T20:55:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.36,"alt":47.2,"az":290.0,"t":"2029-12-20T21:00:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.38,"alt":46.32,"az":290.5,"t":"2029-12-20T21:05:00Z","terrain":0.39},{"above_terrain":true,"airmass":1.4,"alt":45.45,"az":291.0,"t":"2029-12-20T21:10:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.42,"alt":44.58,"az":291.5,"t":"2029-12-20T21:15:00Z","terrain":0.52},{"above_terrain":true,"airmass":1.45,"alt":43.71,"az":292.0,"t":"2029-12-20T21:20:00Z","terrain":0.55},{"above_terrain":true,"airmass":1.47,"alt":42.84,"az":292.5,"t":"2029-12-20T21:25:00Z","terrain":0.42},{"above_terrain":true,"airmass":1.49,"alt":41.98,"az":293.0,"t":"2029-12-20T21:30:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.52,"alt":41.12,"az":293.5,"t":"2029-12-20T21:35:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.55,"alt":40.26,"az":294.0,"t":"2029-12-20T21:40:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.57,"alt":39.41,"az":294.5,"t":"2029-12-20T21:45:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.6,"alt":38.56,"az":295.0,"t":"2029-12-20T21:50:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.63,"alt":37.71,"az":295.6,"t":"2029-12-20T21:55:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.66,"alt":36.87,"az":296.1,"t":"2029-12-20T22:00:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.7,"alt":36.03,"az":296.6,"t":"2029-12-20T22:05:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.73,"alt":35.2,"az":297.1,"t":"2029-12-20T22:10:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.77,"alt":34.37,"az":297.7,"t":"2029-12-20T22:15:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.81,"alt":33.54,"az":298.2,"t":"2029-12-20T22:20:00Z","terrain":0.13},{"above_terrain":true,"airmass":1.85,"alt":32.72,"az":298.8,"t":"2029-12-20T22:25:00Z","terrain":0.16},{"above_terrain":true,"airmass":1.89,"alt":31.9,"az":299.3,"t":"2029-12-20T22:30:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.93,"alt":31.08,"az":299.9,"t":"2029-12-20T22:35:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.98,"alt":30.27,"az":300.4,"t":"2029-12-20T22:40:00Z","terrain":0.35},{"above_terrain":true,"airmass":2.03,"alt":29.47,"az":301.0,"t":"2029-12-20T22:45:00Z","terrain":0.32},{"above_terrain":true,"airmass":2.08,"alt":28.67,"az":301.5,"t":"2029-12-20T22:50:00Z","terrain":0.19},{"above_terrain":true,"airmass":2.13,"alt":27.87,"az":302.1,"t":"2029-12-20T22:55:00Z","terrain":0.05},{"above_terrain":true,"airmass":2.19,"alt":27.08,"az":302.7,"t":"2029-12-20T23:00:00Z","terrain":-0.13},{"above_terrain":true,"airmass":2.25,"alt":26.3,"az":303.3,"t":"2029-12-20T23:05:00Z","terrain":-0.2},{"above_terrain":true,"airmass":2.31,"alt":25.52,"az":303.8,"t":"2029-12-20T23:10:00Z","terrain":-0.12},{"above_terrain":true,"airmass":2.38,"alt":24.74,"az":304.4,"t":"2029-12-20T23:15:00Z","terrain":-0.18},{"above_terrain":true,"airmass":2.45,"alt":23.97,"az":305.0,"t":"2029-12-20T23:20:00Z","terrain":-0.29},{"above_terrain":true,"airmass":2.52,"alt":23.21,"az":305.6,"t":"2029-12-20T23:25:00Z","terrain":-0.22},{"above_terrain":true,"airmass":2.6,"alt":22.45,"az":306.2,"t":"2029-12-20T23:30:00Z","terrain":-0.1},{"above_terrain":true,"airmass":2.69,"alt":21.7,"az":306.8,"t":"2029-12-20T23:35:00Z","terrain":0.12},{"above_terrain":true,"airmass":2.78,"alt":20.95,"az":307.4,"t":"2029-12-20T23:40:00Z","terrain":0.24},{"above_terrain":true,"airmass":2.87,"alt":20.21,"az":308.1,"t":"2029-12-20T23:45:00Z","terrain":0.31},{"above_terrain":true,"airmass":2.98,"alt":19.48,"az":308.7,"t":"2029-12-20T23:50:00Z","terrain":0.22},{"above_terrain":true,"airmass":3.09,"alt":18.75,"az":309.3,"t":"2029-12-20T23:55:00Z","terrain":0.19},{"above_terrain":true,"airmass":3.2,"alt":18.03,"az":309.9,"t":"2029-12-21T00:00:00Z","terrain":0.22},{"above_terrain":true,"airmass":3.33,"alt":17.32,"az":310.6,"t":"2029-12-21T00:05:00Z","terrain":0.3},{"above_terrain":true,"airmass":3.46,"alt":16.61,"az":311.2,"t":"2029-12-21T00:10:00Z","terrain":0.31},{"above_terrain":true,"airmass":3.61,"alt":15.91,"az":311.9,"t":"2029-12-21T00:15:00Z","terrain":0.17},{"above_terrain":true,"airmass":3.76,"alt":15.22,"az":312.5,"t":"2029-12-21T00:20:00Z","terrain":0.21},{"above_terrain":true,"airmass":3.93,"alt":14.53,"az":313.2,"t":"2029-12-21T00:25:00Z","terrain":0.31},{"above_terrain":true,"airmass":4.11,"alt":13.85,"az":313.9,"t":"2029-12-21T00:30:00Z","terrain":0.45},{"above_terrain":true,"airmass":4.31,"alt":13.18,"az":314.6,"t":"2029-12-21T00:35:00Z","terrain":0.52},{"above_terrain":true,"airmass":4.53,"alt":12.52,"az":315.2,"t":"2029-12-21T00:40:00Z","terrain":0.54},{"above_terrain":true,"airmass":4.76,"alt":11.86,"az":315.9,"t":"2029-12-21T00:45:00Z","terrain":0.49},{"above_terrain":true,"airmass":5.02,"alt":11.22,"az":316.6,"t":"2029-12-21T00:50:00Z","terrain":0.37},{"above_terrain":true,"airmass":5.3,"alt":10.58,"az":317.3,"t":"2029-12-21T00:55:00Z","terrain":0.31},{"above_terrain":true,"airmass":5.61,"alt":9.95,"az":318.0,"t":"2029-12-21T01:00:00Z","terrain":0.32},{"above_terrain":true,"airmass":5.96,"alt":9.33,"az":318.7,"t":"2029-12-21T01:05:00Z","terrain":-0.02},{"above_terrain":true,"airmass":6.34,"alt":8.71,"az":319.5,"t":"2029-12-21T01:10:00Z","terrain":-0.17},{"above_terrain":true,"airmass":6.77,"alt":8.11,"az":320.2,"t":"2029-12-21T01:15:00Z","terrain":-0.2},{"above_terrain":true,"airmass":7.25,"alt":7.51,"az":320.9,"t":"2029-12-21T01:20:00Z","terrain":-0.2},{"above_terrain":true,"airmass":7.8,"alt":6.93,"az":321.7,"t":"2029-12-21T01:25:00Z","terrain":0.08},{"above_terrain":true,"airmass":8.41,"alt":6.35,"az":322.4,"t":"2029-12-21T01:30:00Z","terrain":0.16},{"above_terrain":true,"airmass":9.12,"alt":5.79,"az":323.2,"t":"2029-12-21T01:35:00Z","terrain":0.03},{"above_terrain":true,"airmass":9.93,"alt":5.23,"az":323.9,"t":"2029-12-21T01:40:00Z","terrain":-0.19},{"above_terrain":true,"airmass":10.87,"alt":4.69,"az":324.7,"t":"2029-12-21T01:45:00Z","terrain":-0.2},{"above_terrain":true,"airmass":11.96,"alt":4.15,"az":325.5,"t":"2029-12-21T01:50:00Z","terrain":-0.21},{"above_terrain":true,"airmass":13.25,"alt":3.62,"az":326.3,"t":"2029-12-21T01:55:00Z","terrain":-0.28},{"above_terrain":true,"airmass":14.78,"alt":3.11,"az":327.0,"t":"2029-12-21T02:00:00Z","terrain":-0.38},{"above_terrain":true,"airmass":16.62,"alt":2.61,"az":327.8,"t":"2029-12-21T02:05:00Z","terrain":-0.26},{"above_terrain":true,"airmass":18.84,"alt":2.11,"az":328.6,"t":"2029-12-21T02:10:00Z","terrain":-0.17},{"above_terrain":true,"airmass":21.57,"alt":1.63,"az":329.4,"t":"2029-12-21T02:15:00Z","terrain":-0.23},{"above_terrain":true,"airmass":24.94,"alt":1.16,"az":330.3,"t":"2029-12-21T02:20:00Z","terrain":-0.36},{"above_terrain":true,"airmass":29.13,"alt":0.7,"az":331.1,"t":"2029-12-21T02:25:00Z","terrain":-0.37},{"above_terrain":true,"airmass":34.33,"alt":0.26,"az":331.9,"t":"2029-12-21T02:30:00Z","terrain":-0.16},{"above_terrain":false,"airmass":null,"alt":-0.18,"az":332.7,"t":"2029-12-21T02:35:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-0.6,"az":333.6,"t":"2029-12-21T02:40:00Z","terrain":-0.18},{"above_terrain":false,"airmass":null,"alt":-1.01,"az":334.4,"t":"2029-12-21T02:45:00Z","terrain":-0.38},{"above_terrain":false,"airmass":null,"alt":-1.41,"az":335.3,"t":"2029-12-21T02:50:00Z","terrain":-0.66},{"above_terrain":false,"airmass":null,"alt":-1.79,"az":336.1,"t":"2029-12-21T02:55:00Z","terrain":-0.82},{"above_terrain":false,"airmass":null,"alt":-2.17,"az":337.0,"t":"2029-12-21T03:00:00Z","terrain":-0.73},{"above_terrain":false,"airmass":null,"alt":-2.52,"az":337.9,"t":"2029-12-21T03:05:00Z","terrain":-0.5},{"above_terrain":false,"airmass":null,"alt":-2.87,"az":338.7,"t":"2029-12-21T03:10:00Z","terrain":-0.68},{"above_terrain":false,"airmass":null,"alt":-3.2,"az":339.6,"t":"2029-12-21T03:15:00Z","terrain":-0.61},{"above_terrain":false,"airmass":null,"alt":-3.52,"az":340.5,"t":"2029-12-21T03:20:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-3.83,"az":341.4,"t":"2029-12-21T03:25:00Z","terrain":-0.46},{"above_terrain":false,"airmass":null,"alt":-4.12,"az":342.3,"t":"2029-12-21T03:30:00Z","terrain":-0.46},{"above_terrain":false,"airmass":null,"alt":-4.4,"az":343.2,"t":"2029-12-21T03:35:00Z","terrain":-0.39},{"above_terrain":false,"airmass":null,"alt":-4.66,"az":344.1,"t":"2029-12-21T03:40:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-4.91,"az":345.0,"t":"2029-12-21T03:45:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-5.14,"az":345.9,"t":"2029-12-21T03:50:00Z","terrain":-0.54},{"above_terrain":false,"airmass":null,"alt":-5.36,"az":346.8,"t":"2029-12-21T03:55:00Z","terrain":-0.44},{"above_terrain":false,"airmass":null,"alt":-5.57,"az":347.8,"t":"2029-12-21T04:00:00Z","terrain":-0.21},{"above_terrain":false,"airmass":null,"alt":-5.76,"az":348.7,"t":"2029-12-21T04:05:00Z","terrain":-0.04},{"above_terrain":false,"airmass":null,"alt":-5.94,"az":349.6,"t":"2029-12-21T04:10:00Z","terrain":0.09},{"above_terrain":false,"airmass":null,"alt":-6.1,"az":350.5,"t":"2029-12-21T04:15:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-6.25,"az":351.5,"t":"2029-12-21T04:20:00Z","terrain":0.2},{"above_terrain":false,"airmass":null,"alt":-6.38,"az":352.4,"t":"2029-12-21T04:25:00Z","terrain":0.37},{"above_terrain":false,"airmass":null,"alt":-6.49,"az":353.4,"t":"2029-12-21T04:30:00Z","terrain":0.54},{"above_terrain":false,"airmass":null,"alt":-6.59,"az":354.3,"t":"2029-12-21T04:35:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-6.68,"az":355.2,"t":"2029-12-21T04:40:00Z","terrain":0.65},{"above_terrain":false,"airmass":null,"alt":-6.75,"az":356.2,"t":"2029-12-21T04:45:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-6.8,"az":357.1,"t":"2029-12-21T04:50:00Z","terrain":0.73},{"above_terrain":false,"airmass":null,"alt":-6.84,"az":358.1,"t":"2029-12-21T04:55:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-6.87,"az":359.0,"t":"2029-12-21T05:00:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-6.87,"az":360.0,"t":"2029-12-21T05:05:00Z","terrain":0.5},{"above_terrain":false,"airmass":null,"alt":-6.87,"az":0.9,"t":"2029-12-21T05:10:00Z","terrain":0.38},{"above_terrain":false,"airmass":null,"alt":-6.84,"az":1.9,"t":"2029-12-21T05:15:00Z","terrain":0.16},{"above_terrain":false,"airmass":null,"alt":-6.81,"az":2.8,"t":"2029-12-21T05:20:00Z","terrain":-0.08},{"above_terrain":false,"airmass":null,"alt":-6.75,"az":3.7,"t":"2029-12-21T05:25:00Z","terrain":-0.24},{"above_terrain":false,"airmass":null,"alt":-6.68,"az":4.7,"t":"2029-12-21T05:30:00Z","terrain":-0.38},{"above_terrain":false,"airmass":null,"alt":-6.6,"az":5.6,"t":"2029-12-21T05:35:00Z","terrain":-0.53},{"above_terrain":false,"airmass":null,"alt":-6.5,"az":6.6,"t":"2029-12-21T05:40:00Z","terrain":-0.49},{"above_terrain":false,"airmass":null,"alt":-6.39,"az":7.5,"t":"2029-12-21T05:45:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-6.26,"az":8.4,"t":"2029-12-21T05:50:00Z","terrain":-0.52},{"above_terrain":false,"airmass":null,"alt":-6.11,"az":9.4,"t":"2029-12-21T05:55:00Z","terrain":-0.64},{"above_terrain":false,"airmass":null,"alt":-5.95,"az":10.3,"t":"2029-12-21T06:00:00Z","terrain":-0.54},{"above_terrain":false,"airmass":null,"alt":-5.78,"az":11.2,"t":"2029-12-21T06:05:00Z","terrain":-0.35},{"above_terrain":false,"airmass":null,"alt":-5.59,"az":12.2,"t":"2029-12-21T06:10:00Z","terrain":-0.16},{"above_terrain":false,"airmass":null,"alt":-5.38,"az":13.1,"t":"2029-12-21T06:15:00Z","terrain":-0.06},{"above_terrain":false,"airmass":null,"alt":-5.16,"az":14.0,"t":"2029-12-21T06:20:00Z","terrain":0.09},{"above_terrain":false,"airmass":null,"alt":-4.93,"az":14.9,"t":"2029-12-21T06:25:00Z","terrain":0.38},{"above_terrain":false,"airmass":null,"alt":-4.68,"az":15.8,"t":"2029-12-21T06:30:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-4.42,"az":16.7,"t":"2029-12-21T06:35:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-4.14,"az":17.6,"t":"2029-12-21T06:40:00Z","terrain":0.51},{"above_terrain":false,"airmass":null,"alt":-3.85,"az":18.5,"t":"2029-12-21T06:45:00Z","terrain":0.58},{"above_terrain":false,"airmass":null,"alt":-3.55,"az":19.4,"t":"2029-12-21T06:50:00Z","terrain":0.64},{"above_terrain":false,"airmass":null,"alt":-3.23,"az":20.3,"t":"2029-12-21T06:55:00Z","terrain":0.68},{"above_terrain":false,"airmass":null,"alt":-2.9,"az":21.2,"t":"2029-12-21T07:00:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-2.55,"az":22.1,"t":"2029-12-21T07:05:00Z","terrain":1.0},{"above_terrain":false,"airmass":null,"alt":-2.19,"az":22.9,"t":"2029-12-21T07:10:00Z","terrain":1.15},{"above_terrain":false,"airmass":null,"alt":-1.82,"az":23.8,"t":"2029-12-21T07:15:00Z","terrain":0.97},{"above_terrain":false,"airmass":null,"alt":-1.44,"az":24.7,"t":"2029-12-21T07:20:00Z","terrain":1.12},{"above_terrain":false,"airmass":null,"alt":-1.04,"az":25.5,"t":"2029-12-21T07:25:00Z","terrain":1.28},{"above_terrain":false,"airmass":null,"alt":-0.63,"az":26.4,"t":"2029-12-21T07:30:00Z","terrain":1.32},{"above_terrain":false,"airmass":null,"alt":-0.21,"az":27.2,"t":"2029-12-21T07:35:00Z","terrain":1.26},{"above_terrain":false,"airmass":34.78,"alt":0.22,"az":28.0,"t":"2029-12-21T07:40:00Z","terrain":1.19},{"above_terrain":false,"airmass":29.5,"alt":0.67,"az":28.9,"t":"2029-12-21T07:45:00Z","terrain":1.03},{"above_terrain":true,"airmass":25.24,"alt":1.13,"az":29.7,"t":"2029-12-21T07:50:00Z","terrain":1.1},{"above_terrain":true,"airmass":21.81,"alt":1.59,"az":30.5,"t":"2029-12-21T07:55:00Z","terrain":1.23},{"above_terrain":true,"airmass":19.04,"alt":2.08,"az":31.3,"t":"2029-12-21T08:00:00Z","terrain":1.32},{"above_terrain":true,"airmass":16.78,"alt":2.57,"az":32.1,"t":"2029-12-21T08:05:00Z","terrain":1.3},{"above_terrain":true,"airmass":14.91,"alt":3.07,"az":32.9,"t":"2029-12-21T08:10:00Z","terrain":1.03},{"above_terrain":true,"airmass":13.36,"alt":3.58,"az":33.7,"t":"2029-12-21T08:15:00Z","terrain":0.61},{"above_terrain":true,"airmass":12.05,"alt":4.11,"az":34.5,"t":"2029-12-21T08:20:00Z","terrain":0.25},{"above_terrain":true,"airmass":10.94,"alt":4.64,"az":35.2,"t":"2029-12-21T08:25:00Z","terrain":0.05},{"above_terrain":true,"airmass":10.0,"alt":5.19,"az":36.0,"t":"2029-12-21T08:30:00Z","terrain":0.03},{"above_terrain":true,"airmass":9.18,"alt":5.74,"az":36.8,"t":"2029-12-21T08:35:00Z","terrain":-0.06},{"above_terrain":true,"airmass":8.47,"alt":6.31,"az":37.5,"t":"2029-12-21T08:40:00Z","terrain":-0.15},{"above_terrain":true,"airmass":7.84,"alt":6.88,"az":38.3,"t":"2029-12-21T08:45:00Z","terrain":-0.2},{"above_terrain":true,"airmass":7.3,"alt":7.47,"az":39.0,"t":"2029-12-21T08:50:00Z","terrain":-0.16},{"above_terrain":true,"airmass":6.81,"alt":8.06,"az":39.7,"t":"2029-12-21T08:55:00Z","terrain":-0.08},{"above_terrain":true,"airmass":6.38,"alt":8.66,"az":40.5,"t":"2029-12-21T09:00:00Z","terrain":-0.02},{"above_terrain":true,"airmass":5.99,"alt":9.28,"az":41.2,"t":"2029-12-21T09:05:00Z","terrain":0.04},{"above_terrain":true,"airmass":5.64,"alt":9.9,"az":41.9,"t":"2029-12-21T09:10:00Z","terrain":0.11},{"above_terrain":true,"airmass":5.33,"alt":10.53,"az":42.6,"t":"2029-12-21T09:15:00Z","terrain":0.2},{"above_terrain":true,"airmass":5.04,"alt":11.17,"az":43.3,"t":"2029-12-21T09:20:00Z","terrain":0.3},{"above_terrain":true,"airmass":4.78,"alt":11.81,"az":44.0,"t":"2029-12-21T09:25:00Z","terrain":0.41},{"above_terrain":true,"airmass":4.54,"alt":12.47,"az":44.7,"t":"2029-12-21T09:30:00Z","terrain":0.53},{"above_terrain":true,"airmass":4.33,"alt":13.13,"az":45.4,"t":"2029-12-21T09:35:00Z","terrain":0.62},{"above_terrain":true,"airmass":4.13,"alt":13.8,"az":46.1,"t":"2029-12-21T09:40:00Z","terrain":0.67},{"above_terrain":true,"airmass":3.94,"alt":14.48,"az":46.7,"t":"2029-12-21T09:45:00Z","terrain":0.63},{"above_terrain":true,"airmass":3.77,"alt":15.16,"az":47.4,"t":"2029-12-21T09:50:00Z","terrain":0.58},{"above_terrain":true,"airmass":3.62,"alt":15.85,"az":48.1,"t":"2029-12-21T09:55:00Z","terrain":0.52},{"above_terrain":true,"airmass":3.47,"alt":16.55,"az":48.7,"t":"2029-12-21T10:00:00Z","terrain":0.44}],"transit":{"airmass":1.0,"alt":89.5,"az":122.5,"t":"2029-12-20T17:05:00Z"},"usable_hours":7.25,"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."]}