{"assessment":{"best_window":{"end":"2026-12-28T19:15Z","end_local":"21:15","hours":2.58,"label":"good","mean_quality":0.82,"start":"2026-12-28T16:40Z","start_local":"18:40"},"cost":{"altitude":9.48,"clouds":0.0,"darkness":1.35,"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 possible, with compromises \u2014 weather unknown","hourly":[{"alt":67,"cloud":null,"high":null,"iso":"2026-12-28T15:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-42,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"17:00","wind":null},{"alt":56,"cloud":null,"high":null,"iso":"2026-12-28T16:00Z","label":"poor","low":null,"mid":null,"moon_alt":-39,"precip":null,"q":0.15,"rh":null,"sky":"nautical twilight","temp":null,"time":"18:00","wind":null},{"alt":46,"cloud":null,"high":null,"iso":"2026-12-28T17:00Z","label":"good","low":null,"mid":null,"moon_alt":-34,"precip":null,"q":0.9,"rh":null,"sky":"night","temp":null,"time":"19:00","wind":null},{"alt":36,"cloud":null,"high":null,"iso":"2026-12-28T18:00Z","label":"good","low":null,"mid":null,"moon_alt":-26,"precip":null,"q":0.84,"rh":null,"sky":"night","temp":null,"time":"20:00","wind":null},{"alt":27,"cloud":null,"high":null,"iso":"2026-12-28T19:00Z","label":"good","low":null,"mid":null,"moon_alt":-16,"precip":null,"q":0.66,"rh":null,"sky":"night","temp":null,"time":"21:00","wind":null},{"alt":18,"cloud":null,"high":null,"iso":"2026-12-28T20:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-6,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"22:00","wind":null},{"alt":10,"cloud":null,"high":null,"iso":"2026-12-28T21:00Z","label":"unusable","low":null,"mid":null,"moon_alt":5,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":4,"cloud":null,"high":null,"iso":"2026-12-28T22:00Z","label":"unusable","low":null,"mid":null,"moon_alt":15,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":0,"cloud":null,"high":null,"iso":"2026-12-28T23:00Z","label":"unusable","low":null,"mid":null,"moon_alt":26,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":-3,"cloud":null,"high":null,"iso":"2026-12-29T00:00Z","label":"unusable","low":null,"mid":null,"moon_alt":35,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":-4,"cloud":null,"high":null,"iso":"2026-12-29T01:00Z","label":"unusable","low":null,"mid":null,"moon_alt":43,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":-2,"cloud":null,"high":null,"iso":"2026-12-29T02:00Z","label":"unusable","low":null,"mid":null,"moon_alt":49,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":1,"cloud":null,"high":null,"iso":"2026-12-29T03:00Z","label":"unusable","low":null,"mid":null,"moon_alt":51,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"05:00","wind":null},{"alt":6,"cloud":null,"high":null,"iso":"2026-12-29T04:00Z","label":"unusable","low":null,"mid":null,"moon_alt":48,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"06:00","wind":null},{"alt":13,"cloud":null,"high":null,"iso":"2026-12-29T05:00Z","label":"unusable","low":null,"mid":null,"moon_alt":42,"precip":null,"q":0.0,"rh":null,"sky":"nautical twilight","temp":null,"time":"07:00","wind":null}],"peak_quality":0.93,"peak_sky":0.93,"quality_hours":2.78,"reasons":["the target being low or below 20\u00b0 cost 9.5 quality-hours","daylight and twilight cost 1.4 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":64,"score_weather":null,"sky_hours":2.78,"verdict":"unknown","verdict_astronomy":"marginal","weather_known":false,"windows":[{"end":"2026-12-28T15:30Z","end_local":"17:30","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2026-12-28T14:55Z","start_local":"16:55"},{"end":"2026-12-28T16:05Z","end_local":"18:05","hours":0.58,"label":"poor","mean_quality":0.15,"start":"2026-12-28T15:30Z","start_local":"17:30"},{"end":"2026-12-28T16:40Z","end_local":"18:40","hours":0.58,"label":"marginal","mean_quality":0.48,"start":"2026-12-28T16:05Z","start_local":"18:05"},{"end":"2026-12-28T19:15Z","end_local":"21:15","hours":2.58,"label":"good","mean_quality":0.82,"start":"2026-12-28T16:40Z","start_local":"18:40"},{"end":"2026-12-28T19:50Z","end_local":"21:50","hours":0.58,"label":"marginal","mean_quality":0.49,"start":"2026-12-28T19:15Z","start_local":"21:15"},{"end":"2026-12-29T05:50Z","end_local":"07:50","hours":10.0,"label":"unusable","mean_quality":0.0,"start":"2026-12-28T19:50Z","start_local":"21:50"}]},"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":"2026-12-28T16:38:11Z","dark_hours":11.49,"dark_to":"2026-12-29T04:07:18Z","moon":{"illumination":0.696,"phase":"waning gibbous","waxing":false},"moon_free_dark_hours":3.92,"moonrise":"2026-12-28T20:34:55Z","moonset":"2026-12-29T09:09:54Z","sunrise":"2026-12-29T05:47:36Z","sunset":"2026-12-28T14:57:50Z","twilight":{"astronomical":{"end":"2026-12-28T16:38:11Z","start":"2026-12-29T04:07:18Z"},"civil":{"end":"2026-12-28T15:29:21Z","start":"2026-12-29T05:16:06Z"},"nautical":{"end":"2026-12-28T16:04:22Z","start":"2026-12-29T04:41:06Z"}},"window_end":"2026-12-29T10:00:00Z","window_start":"2026-12-28T10:00:00Z"},"night_date":"2026-12-28","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.32,"alt":49.1,"t":"2026-12-28T16:40:00Z"},"dec":44.33,"dec_of_date":44.4359,"dec_str":"+44\u00b0 19' 48.0\"","good_hours":2.0,"limit_rise":"2026-12-29T05:56:18Z","limit_set":"2026-12-28T19:45:16Z","max_az_rate_deg_per_min":3.7,"moon_separation":124.4,"never_rises":false,"ra":314.69583333,"ra_of_date":314.9373,"ra_str":"20h 58m 47.0s","resolved":{"common_name":"North America Nebula","dec":44.33,"name":"NGC 7000","ra":314.69583333,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=NGC%207000","source":"sesame","type":"Cl*","type_text":"star cluster"},"summary":"Only 2.0 h above 30\u00b0, 3.2 h above 20\u00b0 \u2014 usable, at high airmass.","terrain":{"available":true,"behind_at":"2026-12-28T23:02:00Z","blocked_dark_hours":0,"clears_at":"2026-12-29T03:02:40Z","rise_az":70.1},"track":[{"above_terrain":true,"airmass":1.17,"alt":58.61,"az":70.1,"t":"2026-12-28T10:00:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.16,"alt":59.49,"az":70.4,"t":"2026-12-28T10:05:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.15,"alt":60.38,"az":70.7,"t":"2026-12-28T10:10:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.14,"alt":61.26,"az":71.0,"t":"2026-12-28T10:15:00Z","terrain":1.26},{"above_terrain":true,"airmass":1.13,"alt":62.15,"az":71.3,"t":"2026-12-28T10:20:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.12,"alt":63.03,"az":71.5,"t":"2026-12-28T10:25:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.11,"alt":63.92,"az":71.8,"t":"2026-12-28T10:30:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.1,"alt":64.81,"az":72.0,"t":"2026-12-28T10:35:00Z","terrain":1.2},{"above_terrain":true,"airmass":1.1,"alt":65.7,"az":72.2,"t":"2026-12-28T10:40:00Z","terrain":1.16},{"above_terrain":true,"airmass":1.09,"alt":66.59,"az":72.4,"t":"2026-12-28T10:45:00Z","terrain":1.12},{"above_terrain":true,"airmass":1.08,"alt":67.48,"az":72.6,"t":"2026-12-28T10:50:00Z","terrain":1.08},{"above_terrain":true,"airmass":1.08,"alt":68.38,"az":72.7,"t":"2026-12-28T10:55:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.07,"alt":69.27,"az":72.8,"t":"2026-12-28T11:00:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.06,"alt":70.17,"az":72.9,"t":"2026-12-28T11:05:00Z","terrain":1.01},{"above_terrain":true,"airmass":1.06,"alt":71.06,"az":73.0,"t":"2026-12-28T11:10:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.05,"alt":71.96,"az":73.0,"t":"2026-12-28T11:15:00Z","terrain":0.99},{"above_terrain":true,"airmass":1.05,"alt":72.85,"az":73.0,"t":"2026-12-28T11:20:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.04,"alt":73.75,"az":72.9,"t":"2026-12-28T11:25:00Z","terrain":1.02},{"above_terrain":true,"airmass":1.04,"alt":74.64,"az":72.7,"t":"2026-12-28T11:30:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.03,"alt":75.53,"az":72.5,"t":"2026-12-28T11:35:00Z","terrain":1.09},{"above_terrain":true,"airmass":1.03,"alt":76.43,"az":72.2,"t":"2026-12-28T11:40:00Z","terrain":1.16},{"above_terrain":true,"airmass":1.02,"alt":77.32,"az":71.8,"t":"2026-12-28T11:45:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.02,"alt":78.2,"az":71.3,"t":"2026-12-28T11:50:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.02,"alt":79.09,"az":70.6,"t":"2026-12-28T11:55:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.02,"alt":79.97,"az":69.7,"t":"2026-12-28T12:00:00Z","terrain":1.17},{"above_terrain":true,"airmass":1.01,"alt":80.84,"az":68.6,"t":"2026-12-28T12:05:00Z","terrain":1.02},{"above_terrain":true,"airmass":1.01,"alt":81.71,"az":67.1,"t":"2026-12-28T12:10:00Z","terrain":0.94},{"above_terrain":true,"airmass":1.01,"alt":82.57,"az":65.2,"t":"2026-12-28T12:15:00Z","terrain":0.78},{"above_terrain":true,"airmass":1.01,"alt":83.41,"az":62.7,"t":"2026-12-28T12:20:00Z","terrain":0.94},{"above_terrain":true,"airmass":1.0,"alt":84.23,"az":59.3,"t":"2026-12-28T12:25:00Z","terrain":1.2},{"above_terrain":true,"airmass":1.0,"alt":85.01,"az":54.7,"t":"2026-12-28T12:30:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.0,"alt":85.75,"az":48.4,"t":"2026-12-28T12:35:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.0,"alt":86.4,"az":39.3,"t":"2026-12-28T12:40:00Z","terrain":-0.12},{"above_terrain":true,"airmass":1.0,"alt":86.91,"az":26.7,"t":"2026-12-28T12:45:00Z","terrain":1.3},{"above_terrain":true,"airmass":1.0,"alt":87.21,"az":10.2,"t":"2026-12-28T12:50:00Z","terrain":-0.56},{"above_terrain":true,"airmass":1.0,"alt":87.23,"az":351.7,"t":"2026-12-28T12:55:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.0,"alt":86.95,"az":334.8,"t":"2026-12-28T13:00:00Z","terrain":-0.52},{"above_terrain":true,"airmass":1.0,"alt":86.46,"az":321.8,"t":"2026-12-28T13:05:00Z","terrain":0.12},{"above_terrain":true,"airmass":1.0,"alt":85.82,"az":312.4,"t":"2026-12-28T13:10:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.0,"alt":85.09,"az":305.8,"t":"2026-12-28T13:15:00Z","terrain":-0.19},{"above_terrain":true,"airmass":1.0,"alt":84.31,"az":301.1,"t":"2026-12-28T13:20:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.01,"alt":83.49,"az":297.6,"t":"2026-12-28T13:25:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.01,"alt":82.65,"az":295.1,"t":"2026-12-28T13:30:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.01,"alt":81.8,"az":293.1,"t":"2026-12-28T13:35:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.01,"alt":80.93,"az":291.6,"t":"2026-12-28T13:40:00Z","terrain":0.52},{"above_terrain":true,"airmass":1.01,"alt":80.06,"az":290.4,"t":"2026-12-28T13:45:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.02,"alt":79.18,"az":289.5,"t":"2026-12-28T13:50:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.02,"alt":78.3,"az":288.8,"t":"2026-12-28T13:55:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.02,"alt":77.41,"az":288.2,"t":"2026-12-28T14:00:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.03,"alt":76.52,"az":287.8,"t":"2026-12-28T14:05:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.03,"alt":75.63,"az":287.5,"t":"2026-12-28T14:10:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.04,"alt":74.73,"az":287.3,"t":"2026-12-28T14:15:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.04,"alt":73.84,"az":287.1,"t":"2026-12-28T14:20:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.05,"alt":72.94,"az":287.1,"t":"2026-12-28T14:25:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.05,"alt":72.05,"az":287.0,"t":"2026-12-28T14:30:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.06,"alt":71.15,"az":287.0,"t":"2026-12-28T14:35:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.06,"alt":70.26,"az":287.1,"t":"2026-12-28T14:40:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.07,"alt":69.36,"az":287.2,"t":"2026-12-28T14:45:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.07,"alt":68.47,"az":287.3,"t":"2026-12-28T14:50:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.08,"alt":67.58,"az":287.4,"t":"2026-12-28T14:55:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.09,"alt":66.68,"az":287.6,"t":"2026-12-28T15:00:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.1,"alt":65.79,"az":287.8,"t":"2026-12-28T15:05:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.1,"alt":64.9,"az":288.0,"t":"2026-12-28T15:10:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.11,"alt":64.01,"az":288.2,"t":"2026-12-28T15:15:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.12,"alt":63.12,"az":288.4,"t":"2026-12-28T15:20:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.13,"alt":62.24,"az":288.7,"t":"2026-12-28T15:25:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.14,"alt":61.35,"az":289.0,"t":"2026-12-28T15:30:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.15,"alt":60.47,"az":289.3,"t":"2026-12-28T15:35:00Z","terrain":0.21},{"above_terrain":true,"airmass":1.16,"alt":59.58,"az":289.6,"t":"2026-12-28T15:40:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.17,"alt":58.7,"az":289.9,"t":"2026-12-28T15:45:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.18,"alt":57.82,"az":290.2,"t":"2026-12-28T15:50:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.19,"alt":56.95,"az":290.5,"t":"2026-12-28T15:55:00Z","terrain":0.39},{"above_terrain":true,"airmass":1.2,"alt":56.07,"az":290.8,"t":"2026-12-28T16:00:00Z","terrain":0.46},{"above_terrain":true,"airmass":1.22,"alt":55.2,"az":291.2,"t":"2026-12-28T16:05:00Z","terrain":0.5},{"above_terrain":true,"airmass":1.23,"alt":54.32,"az":291.5,"t":"2026-12-28T16:10:00Z","terrain":0.52},{"above_terrain":true,"airmass":1.24,"alt":53.45,"az":291.9,"t":"2026-12-28T16:15:00Z","terrain":0.54},{"above_terrain":true,"airmass":1.26,"alt":52.59,"az":292.3,"t":"2026-12-28T16:20:00Z","terrain":0.48},{"above_terrain":true,"airmass":1.27,"alt":51.72,"az":292.6,"t":"2026-12-28T16:25:00Z","terrain":0.38},{"above_terrain":true,"airmass":1.29,"alt":50.86,"az":293.0,"t":"2026-12-28T16:30:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.3,"alt":50.0,"az":293.4,"t":"2026-12-28T16:35:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.32,"alt":49.14,"az":293.8,"t":"2026-12-28T16:40:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.34,"alt":48.29,"az":294.2,"t":"2026-12-28T16:45:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.36,"alt":47.43,"az":294.6,"t":"2026-12-28T16:50:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.38,"alt":46.58,"az":295.0,"t":"2026-12-28T16:55:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.39,"alt":45.74,"az":295.4,"t":"2026-12-28T17:00:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.42,"alt":44.89,"az":295.9,"t":"2026-12-28T17:05:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.44,"alt":44.05,"az":296.3,"t":"2026-12-28T17:10:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.46,"alt":43.22,"az":296.7,"t":"2026-12-28T17:15:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.48,"alt":42.38,"az":297.2,"t":"2026-12-28T17:20:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.51,"alt":41.55,"az":297.6,"t":"2026-12-28T17:25:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.53,"alt":40.72,"az":298.1,"t":"2026-12-28T17:30:00Z","terrain":0.12},{"above_terrain":true,"airmass":1.56,"alt":39.9,"az":298.5,"t":"2026-12-28T17:35:00Z","terrain":0.15},{"above_terrain":true,"airmass":1.58,"alt":39.08,"az":299.0,"t":"2026-12-28T17:40:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.61,"alt":38.26,"az":299.4,"t":"2026-12-28T17:45:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.64,"alt":37.45,"az":299.9,"t":"2026-12-28T17:50:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.67,"alt":36.64,"az":300.4,"t":"2026-12-28T17:55:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.7,"alt":35.83,"az":300.9,"t":"2026-12-28T18:00:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.74,"alt":35.03,"az":301.4,"t":"2026-12-28T18:05:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.77,"alt":34.23,"az":301.9,"t":"2026-12-28T18:10:00Z","terrain":0.11},{"above_terrain":true,"airmass":1.81,"alt":33.44,"az":302.4,"t":"2026-12-28T18:15:00Z","terrain":-0.03},{"above_terrain":true,"airmass":1.85,"alt":32.65,"az":302.9,"t":"2026-12-28T18:20:00Z","terrain":-0.19},{"above_terrain":true,"airmass":1.89,"alt":31.87,"az":303.4,"t":"2026-12-28T18:25:00Z","terrain":-0.18},{"above_terrain":true,"airmass":1.93,"alt":31.09,"az":303.9,"t":"2026-12-28T18:30:00Z","terrain":-0.11},{"above_terrain":true,"airmass":1.98,"alt":30.32,"az":304.4,"t":"2026-12-28T18:35:00Z","terrain":-0.18},{"above_terrain":true,"airmass":2.02,"alt":29.55,"az":304.9,"t":"2026-12-28T18:40:00Z","terrain":-0.28},{"above_terrain":true,"airmass":2.07,"alt":28.78,"az":305.5,"t":"2026-12-28T18:45:00Z","terrain":-0.23},{"above_terrain":true,"airmass":2.12,"alt":28.02,"az":306.0,"t":"2026-12-28T18:50:00Z","terrain":-0.16},{"above_terrain":true,"airmass":2.17,"alt":27.27,"az":306.6,"t":"2026-12-28T18:55:00Z","terrain":0.03},{"above_terrain":true,"airmass":2.23,"alt":26.52,"az":307.1,"t":"2026-12-28T19:00:00Z","terrain":0.2},{"above_terrain":true,"airmass":2.29,"alt":25.78,"az":307.7,"t":"2026-12-28T19:05:00Z","terrain":0.27},{"above_terrain":true,"airmass":2.35,"alt":25.04,"az":308.2,"t":"2026-12-28T19:10:00Z","terrain":0.29},{"above_terrain":true,"airmass":2.42,"alt":24.3,"az":308.8,"t":"2026-12-28T19:15:00Z","terrain":0.2},{"above_terrain":true,"airmass":2.49,"alt":23.58,"az":309.4,"t":"2026-12-28T19:20:00Z","terrain":0.19},{"above_terrain":true,"airmass":2.56,"alt":22.86,"az":309.9,"t":"2026-12-28T19:25:00Z","terrain":0.22},{"above_terrain":true,"airmass":2.64,"alt":22.14,"az":310.5,"t":"2026-12-28T19:30:00Z","terrain":0.29},{"above_terrain":true,"airmass":2.72,"alt":21.43,"az":311.1,"t":"2026-12-28T19:35:00Z","terrain":0.34},{"above_terrain":true,"airmass":2.81,"alt":20.73,"az":311.7,"t":"2026-12-28T19:40:00Z","terrain":0.2},{"above_terrain":true,"airmass":2.9,"alt":20.04,"az":312.3,"t":"2026-12-28T19:45:00Z","terrain":0.18},{"above_terrain":true,"airmass":3.0,"alt":19.35,"az":312.9,"t":"2026-12-28T19:50:00Z","terrain":0.26},{"above_terrain":true,"airmass":3.1,"alt":18.67,"az":313.5,"t":"2026-12-28T19:55:00Z","terrain":0.38},{"above_terrain":true,"airmass":3.21,"alt":17.99,"az":314.1,"t":"2026-12-28T20:00:00Z","terrain":0.48},{"above_terrain":true,"airmass":3.33,"alt":17.32,"az":314.8,"t":"2026-12-28T20:05:00Z","terrain":0.54},{"above_terrain":true,"airmass":3.45,"alt":16.66,"az":315.4,"t":"2026-12-28T20:10:00Z","terrain":0.53},{"above_terrain":true,"airmass":3.58,"alt":16.01,"az":316.0,"t":"2026-12-28T20:15:00Z","terrain":0.47},{"above_terrain":true,"airmass":3.73,"alt":15.36,"az":316.7,"t":"2026-12-28T20:20:00Z","terrain":0.36},{"above_terrain":true,"airmass":3.88,"alt":14.72,"az":317.3,"t":"2026-12-28T20:25:00Z","terrain":0.31},{"above_terrain":true,"airmass":4.04,"alt":14.09,"az":318.0,"t":"2026-12-28T20:30:00Z","terrain":0.33},{"above_terrain":true,"airmass":4.22,"alt":13.47,"az":318.7,"t":"2026-12-28T20:35:00Z","terrain":0.02},{"above_terrain":true,"airmass":4.41,"alt":12.86,"az":319.3,"t":"2026-12-28T20:40:00Z","terrain":-0.16},{"above_terrain":true,"airmass":4.62,"alt":12.25,"az":320.0,"t":"2026-12-28T20:45:00Z","terrain":-0.2},{"above_terrain":true,"airmass":4.84,"alt":11.65,"az":320.7,"t":"2026-12-28T20:50:00Z","terrain":-0.2},{"above_terrain":true,"airmass":5.08,"alt":11.07,"az":321.4,"t":"2026-12-28T20:55:00Z","terrain":-0.05},{"above_terrain":true,"airmass":5.34,"alt":10.49,"az":322.1,"t":"2026-12-28T21:00:00Z","terrain":0.2},{"above_terrain":true,"airmass":5.63,"alt":9.91,"az":322.8,"t":"2026-12-28T21:05:00Z","terrain":0.11},{"above_terrain":true,"airmass":5.94,"alt":9.35,"az":323.5,"t":"2026-12-28T21:10:00Z","terrain":-0.06},{"above_terrain":true,"airmass":6.29,"alt":8.8,"az":324.2,"t":"2026-12-28T21:15:00Z","terrain":-0.21},{"above_terrain":true,"airmass":6.66,"alt":8.26,"az":324.9,"t":"2026-12-28T21:20:00Z","terrain":-0.19},{"above_terrain":true,"airmass":7.08,"alt":7.72,"az":325.6,"t":"2026-12-28T21:25:00Z","terrain":-0.22},{"above_terrain":true,"airmass":7.54,"alt":7.2,"az":326.4,"t":"2026-12-28T21:30:00Z","terrain":-0.29},{"above_terrain":true,"airmass":8.05,"alt":6.69,"az":327.1,"t":"2026-12-28T21:35:00Z","terrain":-0.37},{"above_terrain":true,"airmass":8.61,"alt":6.18,"az":327.8,"t":"2026-12-28T21:40:00Z","terrain":-0.26},{"above_terrain":true,"airmass":9.25,"alt":5.69,"az":328.6,"t":"2026-12-28T21:45:00Z","terrain":-0.17},{"above_terrain":true,"airmass":9.96,"alt":5.21,"az":329.3,"t":"2026-12-28T21:50:00Z","terrain":-0.21},{"above_terrain":true,"airmass":10.77,"alt":4.74,"az":330.1,"t":"2026-12-28T21:55:00Z","terrain":-0.35},{"above_terrain":true,"airmass":11.68,"alt":4.28,"az":330.9,"t":"2026-12-28T22:00:00Z","terrain":-0.39},{"above_terrain":true,"airmass":12.72,"alt":3.83,"az":331.7,"t":"2026-12-28T22:05:00Z","terrain":-0.23},{"above_terrain":true,"airmass":13.92,"alt":3.39,"az":332.4,"t":"2026-12-28T22:10:00Z","terrain":-0.13},{"above_terrain":true,"airmass":15.29,"alt":2.96,"az":333.2,"t":"2026-12-28T22:15:00Z","terrain":-0.14},{"above_terrain":true,"airmass":16.87,"alt":2.54,"az":334.0,"t":"2026-12-28T22:20:00Z","terrain":-0.24},{"above_terrain":true,"airmass":18.71,"alt":2.14,"az":334.8,"t":"2026-12-28T22:25:00Z","terrain":-0.52},{"above_terrain":true,"airmass":20.86,"alt":1.75,"az":335.6,"t":"2026-12-28T22:30:00Z","terrain":-0.74},{"above_terrain":true,"airmass":23.37,"alt":1.37,"az":336.4,"t":"2026-12-28T22:35:00Z","terrain":-0.79},{"above_terrain":true,"airmass":26.32,"alt":1.0,"az":337.2,"t":"2026-12-28T22:40:00Z","terrain":-0.67},{"above_terrain":true,"airmass":29.77,"alt":0.64,"az":338.1,"t":"2026-12-28T22:45:00Z","terrain":-0.49},{"above_terrain":true,"airmass":33.77,"alt":0.3,"az":338.9,"t":"2026-12-28T22:50:00Z","terrain":-0.72},{"above_terrain":true,"airmass":null,"alt":-0.03,"az":339.7,"t":"2026-12-28T22:55:00Z","terrain":-0.59},{"above_terrain":true,"airmass":null,"alt":-0.35,"az":340.6,"t":"2026-12-28T23:00:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-0.65,"az":341.4,"t":"2026-12-28T23:05:00Z","terrain":-0.46},{"above_terrain":false,"airmass":null,"alt":-0.95,"az":342.3,"t":"2026-12-28T23:10:00Z","terrain":-0.46},{"above_terrain":false,"airmass":null,"alt":-1.22,"az":343.1,"t":"2026-12-28T23:15:00Z","terrain":-0.39},{"above_terrain":false,"airmass":null,"alt":-1.49,"az":344.0,"t":"2026-12-28T23:20:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-1.74,"az":344.8,"t":"2026-12-28T23:25:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-1.98,"az":345.7,"t":"2026-12-28T23:30:00Z","terrain":-0.5},{"above_terrain":false,"airmass":null,"alt":-2.2,"az":346.5,"t":"2026-12-28T23:35:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-2.42,"az":347.4,"t":"2026-12-28T23:40:00Z","terrain":-0.3},{"above_terrain":false,"airmass":null,"alt":-2.61,"az":348.3,"t":"2026-12-28T23:45:00Z","terrain":-0.1},{"above_terrain":false,"airmass":null,"alt":-2.79,"az":349.2,"t":"2026-12-28T23:50:00Z","terrain":0.02},{"above_terrain":false,"airmass":null,"alt":-2.96,"az":350.0,"t":"2026-12-28T23:55:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-3.12,"az":350.9,"t":"2026-12-29T00:00:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-3.26,"az":351.8,"t":"2026-12-29T00:05:00Z","terrain":0.25},{"above_terrain":false,"airmass":null,"alt":-3.38,"az":352.7,"t":"2026-12-29T00:10:00Z","terrain":0.43},{"above_terrain":false,"airmass":null,"alt":-3.5,"az":353.6,"t":"2026-12-29T00:15:00Z","terrain":0.57},{"above_terrain":false,"airmass":null,"alt":-3.59,"az":354.5,"t":"2026-12-29T00:20:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-3.68,"az":355.4,"t":"2026-12-29T00:25:00Z","terrain":0.67},{"above_terrain":false,"airmass":null,"alt":-3.74,"az":356.3,"t":"2026-12-29T00:30:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-3.8,"az":357.2,"t":"2026-12-29T00:35:00Z","terrain":0.73},{"above_terrain":false,"airmass":null,"alt":-3.84,"az":358.1,"t":"2026-12-29T00:40:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-3.86,"az":359.0,"t":"2026-12-29T00:45:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-3.87,"az":359.9,"t":"2026-12-29T00:50:00Z","terrain":0.52},{"above_terrain":false,"airmass":null,"alt":-3.87,"az":0.8,"t":"2026-12-29T00:55:00Z","terrain":0.4},{"above_terrain":false,"airmass":null,"alt":-3.85,"az":1.7,"t":"2026-12-29T01:00:00Z","terrain":0.21},{"above_terrain":false,"airmass":null,"alt":-3.81,"az":2.5,"t":"2026-12-29T01:05:00Z","terrain":-0.02},{"above_terrain":false,"airmass":null,"alt":-3.76,"az":3.4,"t":"2026-12-29T01:10:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-3.7,"az":4.3,"t":"2026-12-29T01:15:00Z","terrain":-0.33},{"above_terrain":false,"airmass":null,"alt":-3.62,"az":5.2,"t":"2026-12-29T01:20:00Z","terrain":-0.47},{"above_terrain":false,"airmass":null,"alt":-3.53,"az":6.1,"t":"2026-12-29T01:25:00Z","terrain":-0.57},{"above_terrain":false,"airmass":null,"alt":-3.42,"az":7.0,"t":"2026-12-29T01:30:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-3.3,"az":7.9,"t":"2026-12-29T01:35:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-3.16,"az":8.8,"t":"2026-12-29T01:40:00Z","terrain":-0.61},{"above_terrain":false,"airmass":null,"alt":-3.01,"az":9.7,"t":"2026-12-29T01:45:00Z","terrain":-0.62},{"above_terrain":false,"airmass":null,"alt":-2.85,"az":10.6,"t":"2026-12-29T01:50:00Z","terrain":-0.49},{"above_terrain":false,"airmass":null,"alt":-2.67,"az":11.4,"t":"2026-12-29T01:55:00Z","terrain":-0.31},{"above_terrain":false,"airmass":null,"alt":-2.48,"az":12.3,"t":"2026-12-29T02:00:00Z","terrain":-0.15},{"above_terrain":false,"airmass":null,"alt":-2.27,"az":13.2,"t":"2026-12-29T02:05:00Z","terrain":-0.04},{"above_terrain":false,"airmass":null,"alt":-2.05,"az":14.0,"t":"2026-12-29T02:10:00Z","terrain":0.1},{"above_terrain":false,"airmass":null,"alt":-1.82,"az":14.9,"t":"2026-12-29T02:15:00Z","terrain":0.38},{"above_terrain":false,"airmass":null,"alt":-1.57,"az":15.8,"t":"2026-12-29T02:20:00Z","terrain":0.47},{"above_terrain":false,"airmass":null,"alt":-1.31,"az":16.6,"t":"2026-12-29T02:25:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-1.04,"az":17.5,"t":"2026-12-29T02:30:00Z","terrain":0.5},{"above_terrain":false,"airmass":null,"alt":-0.75,"az":18.3,"t":"2026-12-29T02:35:00Z","terrain":0.56},{"above_terrain":false,"airmass":null,"alt":-0.45,"az":19.2,"t":"2026-12-29T02:40:00Z","terrain":0.63},{"above_terrain":false,"airmass":null,"alt":-0.13,"az":20.0,"t":"2026-12-29T02:45:00Z","terrain":0.67},{"above_terrain":false,"airmass":35.17,"alt":0.19,"az":20.8,"t":"2026-12-29T02:50:00Z","terrain":0.69},{"above_terrain":false,"airmass":30.97,"alt":0.53,"az":21.7,"t":"2026-12-29T02:55:00Z","terrain":0.89},{"above_terrain":false,"airmass":27.36,"alt":0.88,"az":22.5,"t":"2026-12-29T03:00:00Z","terrain":1.07},{"above_terrain":true,"airmass":24.26,"alt":1.25,"az":23.3,"t":"2026-12-29T03:05:00Z","terrain":1.09},{"above_terrain":true,"airmass":21.62,"alt":1.63,"az":24.1,"t":"2026-12-29T03:10:00Z","terrain":0.96},{"above_terrain":true,"airmass":19.36,"alt":2.01,"az":24.9,"t":"2026-12-29T03:15:00Z","terrain":1.2},{"above_terrain":true,"airmass":17.43,"alt":2.41,"az":25.7,"t":"2026-12-29T03:20:00Z","terrain":1.31},{"above_terrain":true,"airmass":15.77,"alt":2.83,"az":26.5,"t":"2026-12-29T03:25:00Z","terrain":1.31},{"above_terrain":true,"airmass":14.33,"alt":3.25,"az":27.3,"t":"2026-12-29T03:30:00Z","terrain":1.25},{"above_terrain":true,"airmass":13.09,"alt":3.69,"az":28.1,"t":"2026-12-29T03:35:00Z","terrain":1.17},{"above_terrain":true,"airmass":12.0,"alt":4.13,"az":28.9,"t":"2026-12-29T03:40:00Z","terrain":1.02},{"above_terrain":true,"airmass":11.05,"alt":4.59,"az":29.6,"t":"2026-12-29T03:45:00Z","terrain":1.1},{"above_terrain":true,"airmass":10.21,"alt":5.06,"az":30.4,"t":"2026-12-29T03:50:00Z","terrain":1.22},{"above_terrain":true,"airmass":9.47,"alt":5.54,"az":31.2,"t":"2026-12-29T03:55:00Z","terrain":1.31},{"above_terrain":true,"airmass":8.81,"alt":6.03,"az":31.9,"t":"2026-12-29T04:00:00Z","terrain":1.33},{"above_terrain":true,"airmass":8.22,"alt":6.53,"az":32.7,"t":"2026-12-29T04:05:00Z","terrain":1.1},{"above_terrain":true,"airmass":7.69,"alt":7.04,"az":33.4,"t":"2026-12-29T04:10:00Z","terrain":0.76},{"above_terrain":true,"airmass":7.22,"alt":7.56,"az":34.1,"t":"2026-12-29T04:15:00Z","terrain":0.38},{"above_terrain":true,"airmass":6.79,"alt":8.09,"az":34.9,"t":"2026-12-29T04:20:00Z","terrain":0.1},{"above_terrain":true,"airmass":6.4,"alt":8.63,"az":35.6,"t":"2026-12-29T04:25:00Z","terrain":0.04},{"above_terrain":true,"airmass":6.05,"alt":9.18,"az":36.3,"t":"2026-12-29T04:30:00Z","terrain":-0.01},{"above_terrain":true,"airmass":5.73,"alt":9.74,"az":37.0,"t":"2026-12-29T04:35:00Z","terrain":-0.09},{"above_terrain":true,"airmass":5.43,"alt":10.3,"az":37.7,"t":"2026-12-29T04:40:00Z","terrain":-0.18},{"above_terrain":true,"airmass":5.16,"alt":10.88,"az":38.4,"t":"2026-12-29T04:45:00Z","terrain":-0.19},{"above_terrain":true,"airmass":4.92,"alt":11.47,"az":39.1,"t":"2026-12-29T04:50:00Z","terrain":-0.15},{"above_terrain":true,"airmass":4.69,"alt":12.06,"az":39.8,"t":"2026-12-29T04:55:00Z","terrain":-0.07},{"above_terrain":true,"airmass":4.48,"alt":12.66,"az":40.5,"t":"2026-12-29T05:00:00Z","terrain":-0.02},{"above_terrain":true,"airmass":4.28,"alt":13.28,"az":41.1,"t":"2026-12-29T05:05:00Z","terrain":0.03},{"above_terrain":true,"airmass":4.1,"alt":13.9,"az":41.8,"t":"2026-12-29T05:10:00Z","terrain":0.1},{"above_terrain":true,"airmass":3.93,"alt":14.52,"az":42.5,"t":"2026-12-29T05:15:00Z","terrain":0.18},{"above_terrain":true,"airmass":3.77,"alt":15.16,"az":43.1,"t":"2026-12-29T05:20:00Z","terrain":0.27},{"above_terrain":true,"airmass":3.63,"alt":15.8,"az":43.8,"t":"2026-12-29T05:25:00Z","terrain":0.37},{"above_terrain":true,"airmass":3.49,"alt":16.45,"az":44.4,"t":"2026-12-29T05:30:00Z","terrain":0.48},{"above_terrain":true,"airmass":3.36,"alt":17.11,"az":45.0,"t":"2026-12-29T05:35:00Z","terrain":0.58},{"above_terrain":true,"airmass":3.25,"alt":17.78,"az":45.7,"t":"2026-12-29T05:40:00Z","terrain":0.64},{"above_terrain":true,"airmass":3.13,"alt":18.45,"az":46.3,"t":"2026-12-29T05:45:00Z","terrain":0.65},{"above_terrain":true,"airmass":3.03,"alt":19.13,"az":46.9,"t":"2026-12-29T05:50:00Z","terrain":0.62},{"above_terrain":true,"airmass":2.93,"alt":19.82,"az":47.5,"t":"2026-12-29T05:55:00Z","terrain":0.57},{"above_terrain":true,"airmass":2.83,"alt":20.51,"az":48.1,"t":"2026-12-29T06:00:00Z","terrain":0.52},{"above_terrain":true,"airmass":2.75,"alt":21.21,"az":48.7,"t":"2026-12-29T06:05:00Z","terrain":0.45},{"above_terrain":true,"airmass":2.66,"alt":21.92,"az":49.3,"t":"2026-12-29T06:10:00Z","terrain":0.41},{"above_terrain":true,"airmass":2.58,"alt":22.63,"az":49.9,"t":"2026-12-29T06:15:00Z","terrain":0.4},{"above_terrain":true,"airmass":2.51,"alt":23.35,"az":50.5,"t":"2026-12-29T06:20:00Z","terrain":0.46},{"above_terrain":true,"airmass":2.44,"alt":24.07,"az":51.0,"t":"2026-12-29T06:25:00Z","terrain":0.53},{"above_terrain":true,"airmass":2.37,"alt":24.8,"az":51.6,"t":"2026-12-29T06:30:00Z","terrain":0.59},{"above_terrain":true,"airmass":2.31,"alt":25.54,"az":52.2,"t":"2026-12-29T06:35:00Z","terrain":0.66},{"above_terrain":true,"airmass":2.25,"alt":26.28,"az":52.7,"t":"2026-12-29T06:40:00Z","terrain":0.78},{"above_terrain":true,"airmass":2.19,"alt":27.03,"az":53.3,"t":"2026-12-29T06:45:00Z","terrain":0.88},{"above_terrain":true,"airmass":2.14,"alt":27.78,"az":53.8,"t":"2026-12-29T06:50:00Z","terrain":0.97},{"above_terrain":true,"airmass":2.09,"alt":28.54,"az":54.4,"t":"2026-12-29T06:55:00Z","terrain":1.03},{"above_terrain":true,"airmass":2.04,"alt":29.3,"az":54.9,"t":"2026-12-29T07:00:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.99,"alt":30.07,"az":55.4,"t":"2026-12-29T07:05:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.95,"alt":30.84,"az":55.9,"t":"2026-12-29T07:10:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.9,"alt":31.62,"az":56.5,"t":"2026-12-29T07:15:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.86,"alt":32.4,"az":57.0,"t":"2026-12-29T07:20:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.82,"alt":33.19,"az":57.5,"t":"2026-12-29T07:25:00Z","terrain":1.16},{"above_terrain":true,"airmass":1.79,"alt":33.98,"az":58.0,"t":"2026-12-29T07:30:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.75,"alt":34.78,"az":58.5,"t":"2026-12-29T07:35:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.72,"alt":35.58,"az":59.0,"t":"2026-12-29T07:40:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.68,"alt":36.38,"az":59.4,"t":"2026-12-29T07:45:00Z","terrain":1.19},{"above_terrain":true,"airmass":1.65,"alt":37.19,"az":59.9,"t":"2026-12-29T07:50:00Z","terrain":1.17},{"above_terrain":true,"airmass":1.62,"alt":38.0,"az":60.4,"t":"2026-12-29T07:55:00Z","terrain":1.14},{"above_terrain":true,"airmass":1.59,"alt":38.82,"az":60.9,"t":"2026-12-29T08:00:00Z","terrain":1.1},{"above_terrain":true,"airmass":1.57,"alt":39.64,"az":61.3,"t":"2026-12-29T08:05:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.54,"alt":40.46,"az":61.8,"t":"2026-12-29T08:10:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.51,"alt":41.29,"az":62.3,"t":"2026-12-29T08:15:00Z","terrain":0.98},{"above_terrain":true,"airmass":1.49,"alt":42.12,"az":62.7,"t":"2026-12-29T08:20:00Z","terrain":0.94},{"above_terrain":true,"airmass":1.47,"alt":42.95,"az":63.1,"t":"2026-12-29T08:25:00Z","terrain":0.89},{"above_terrain":true,"airmass":1.44,"alt":43.79,"az":63.6,"t":"2026-12-29T08:30:00Z","terrain":0.83},{"above_terrain":true,"airmass":1.42,"alt":44.63,"az":64.0,"t":"2026-12-29T08:35:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.4,"alt":45.47,"az":64.4,"t":"2026-12-29T08:40:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.38,"alt":46.32,"az":64.9,"t":"2026-12-29T08:45:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.36,"alt":47.16,"az":65.3,"t":"2026-12-29T08:50:00Z","terrain":0.79},{"above_terrain":true,"airmass":1.34,"alt":48.02,"az":65.7,"t":"2026-12-29T08:55:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.33,"alt":48.87,"az":66.1,"t":"2026-12-29T09:00:00Z","terrain":0.84},{"above_terrain":true,"airmass":1.31,"alt":49.73,"az":66.5,"t":"2026-12-29T09:05:00Z","terrain":0.88},{"above_terrain":true,"airmass":1.29,"alt":50.59,"az":66.9,"t":"2026-12-29T09:10:00Z","terrain":0.92},{"above_terrain":true,"airmass":1.28,"alt":51.45,"az":67.3,"t":"2026-12-29T09:15:00Z","terrain":0.95},{"above_terrain":true,"airmass":1.26,"alt":52.31,"az":67.6,"t":"2026-12-29T09:20:00Z","terrain":0.97},{"above_terrain":true,"airmass":1.25,"alt":53.18,"az":68.0,"t":"2026-12-29T09:25:00Z","terrain":0.99},{"above_terrain":true,"airmass":1.23,"alt":54.05,"az":68.4,"t":"2026-12-29T09:30:00Z","terrain":1.01},{"above_terrain":true,"airmass":1.22,"alt":54.92,"az":68.7,"t":"2026-12-29T09:35:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.21,"alt":55.79,"az":69.1,"t":"2026-12-29T09:40:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.2,"alt":56.67,"az":69.4,"t":"2026-12-29T09:45:00Z","terrain":1.12},{"above_terrain":true,"airmass":1.18,"alt":57.54,"az":69.7,"t":"2026-12-29T09:50:00Z","terrain":1.17},{"above_terrain":true,"airmass":1.17,"alt":58.42,"az":70.0,"t":"2026-12-29T09:55:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.16,"alt":59.3,"az":70.4,"t":"2026-12-29T10:00:00Z","terrain":1.23}],"transit":{"airmass":1.0,"alt":87.2,"az":351.7,"t":"2026-12-28T12:55:00Z"},"usable_hours":3.17,"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."]}
