{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2029-12-21","schedule":[{"end":"2029-12-21T16:05Z","end_local":"18:05","hours":1.25,"mean_quality":0.0,"start":"2029-12-21T14:50Z","start_local":"16:50","target":null},{"end":"2029-12-21T17:35Z","end_local":"19:35","hours":1.5,"mean_quality":0.67,"start":"2029-12-21T16:05Z","start_local":"18:05","target":"V1057 Cyg"},{"end":"2029-12-21T19:05Z","end_local":"21:05","hours":1.5,"mean_quality":0.7,"start":"2029-12-21T17:35Z","start_local":"19:35","target":"NGC 7000"},{"end":"2029-12-21T20:35Z","end_local":"22:35","hours":1.5,"mean_quality":0.6,"start":"2029-12-21T19:05Z","start_local":"21:05","target":"M31"},{"end":"2029-12-21T22:05Z","end_local":"00:05","hours":1.5,"mean_quality":0.49,"start":"2029-12-21T20:35Z","start_local":"22:35","target":"M33"},{"end":"2029-12-21T22:50Z","end_local":"00:50","hours":0.75,"mean_quality":0.31,"start":"2029-12-21T22:05Z","start_local":"00:05","target":"M45"},{"end":"2029-12-21T23:20Z","end_local":"01:20","hours":0.5,"mean_quality":0.36,"start":"2029-12-21T22:50Z","start_local":"00:50","target":"M31"},{"end":"2029-12-21T23:30Z","end_local":"01:30","hours":0.17,"mean_quality":0.31,"start":"2029-12-21T23:20Z","start_local":"01:20","target":"M33"},{"end":"2029-12-22T05:50Z","end_local":"07:50","hours":6.33,"mean_quality":0.0,"start":"2029-12-21T23:30Z","start_local":"01:30","target":null}],"targets":[{"best_window":{"end":"2029-12-21T19:55Z","end_local":"21:55","hours":3.33,"label":"good","mean_quality":0.67,"start":"2029-12-21T16:35Z","start_local":"18:35"},"dec":41.26875,"moon_separation":77.2,"name":"M31","quality_hours":4.26,"ra":10.68470833,"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},"score":null,"score_astronomy":73,"score_weather":null,"transit":{"airmass":1.0,"alt":89.6,"az":232.0,"t":"2029-12-21T17:05Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2029-12-21T15:30Z","end_local":"17:30","hours":0.67,"label":"unusable","mean_quality":0.0,"start":"2029-12-21T14:50Z","start_local":"16:50"},{"end":"2029-12-21T16:05Z","end_local":"18:05","hours":0.58,"label":"poor","mean_quality":0.12,"start":"2029-12-21T15:30Z","start_local":"17:30"},{"end":"2029-12-21T16:35Z","end_local":"18:35","hours":0.5,"label":"marginal","mean_quality":0.37,"start":"2029-12-21T16:05Z","start_local":"18:05"},{"end":"2029-12-21T19:55Z","end_local":"21:55","hours":3.33,"label":"good","mean_quality":0.67,"start":"2029-12-21T16:35Z","start_local":"18:35"},{"end":"2029-12-21T23:20Z","end_local":"01:20","hours":3.42,"label":"marginal","mean_quality":0.49,"start":"2029-12-21T19:55Z","start_local":"21:55"},{"end":"2029-12-21T23:45Z","end_local":"01:45","hours":0.42,"label":"poor","mean_quality":0.26,"start":"2029-12-21T23:20Z","start_local":"01:20"},{"end":"2029-12-22T05:50Z","end_local":"07:50","hours":6.08,"label":"unusable","mean_quality":0.0,"start":"2029-12-21T23:45Z","start_local":"01:45"}]},{"best_window":null,"dec":-5.3876,"moon_separation":32.4,"name":"M42","quality_hours":1.76,"ra":83.8201,"resolved":{"common_name":"Great Orion Nebula","dec":-5.3876,"name":"M 42","ra":83.8201,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=M42","source":"sesame","type":"HII","type_text":"HII region \u2014 a star-forming nebula"},"score":null,"score_astronomy":13,"score_weather":null,"transit":{"airmass":1.47,"alt":42.9,"az":180.1,"t":"2029-12-21T21:55Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2029-12-21T18:10Z","end_local":"20:10","hours":3.33,"label":"unusable","mean_quality":0.0,"start":"2029-12-21T14:50Z","start_local":"16:50"},{"end":"2029-12-22T01:45Z","end_local":"03:45","hours":7.58,"label":"poor","mean_quality":0.23,"start":"2029-12-21T18:10Z","start_local":"20:10"},{"end":"2029-12-22T05:50Z","end_local":"07:50","hours":4.08,"label":"unusable","mean_quality":0.0,"start":"2029-12-22T01:45Z","start_local":"03:45"}]},{"best_window":{"end":"2029-12-21T22:50Z","end_local":"00:50","hours":6.25,"label":"marginal","mean_quality":0.41,"start":"2029-12-21T16:35Z","start_local":"18:35"},"dec":24.11388889,"moon_separation":42.1,"name":"M45","quality_hours":3.52,"ra":56.60083333,"resolved":{"common_name":"Seven Sisters","dec":24.11388889,"name":"Cl Melotte 22","ra":56.60083333,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=M45","source":"sesame","type":"OpC","type_text":"open cluster"},"score":null,"score_astronomy":46,"score_weather":null,"transit":{"airmass":1.05,"alt":72.5,"az":178.8,"t":"2029-12-21T20:05Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2029-12-21T15:30Z","end_local":"17:30","hours":0.67,"label":"unusable","mean_quality":0.0,"start":"2029-12-21T14:50Z","start_local":"16:50"},{"end":"2029-12-21T16:35Z","end_local":"18:35","hours":1.08,"label":"poor","mean_quality":0.17,"start":"2029-12-21T15:30Z","start_local":"17:30"},{"end":"2029-12-21T22:50Z","end_local":"00:50","hours":6.25,"label":"marginal","mean_quality":0.41,"start":"2029-12-21T16:35Z","start_local":"18:35"},{"end":"2029-12-22T01:45Z","end_local":"03:45","hours":2.92,"label":"poor","mean_quality":0.26,"start":"2029-12-21T22:50Z","start_local":"00:50"},{"end":"2029-12-22T05:50Z","end_local":"07:50","hours":4.08,"label":"unusable","mean_quality":0.0,"start":"2029-12-22T01:45Z","start_local":"03:45"}]},{"best_window":{"end":"2029-12-21T19:15Z","end_local":"21:15","hours":2.67,"label":"good","mean_quality":0.73,"start":"2029-12-21T16:35Z","start_local":"18:35"},"dec":44.33,"moon_separation":107.8,"name":"NGC 7000","quality_hours":2.68,"ra":314.69583333,"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"},"score":null,"score_astronomy":55,"score_weather":null,"transit":{"airmass":1.0,"alt":87.2,"az":357.4,"t":"2029-12-21T13:20Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2029-12-21T15:30Z","end_local":"17:30","hours":0.67,"label":"unusable","mean_quality":0.0,"start":"2029-12-21T14:50Z","start_local":"16:50"},{"end":"2029-12-21T16:05Z","end_local":"18:05","hours":0.58,"label":"poor","mean_quality":0.13,"start":"2029-12-21T15:30Z","start_local":"17:30"},{"end":"2029-12-21T16:35Z","end_local":"18:35","hours":0.5,"label":"marginal","mean_quality":0.42,"start":"2029-12-21T16:05Z","start_local":"18:05"},{"end":"2029-12-21T19:15Z","end_local":"21:15","hours":2.67,"label":"good","mean_quality":0.73,"start":"2029-12-21T16:35Z","start_local":"18:35"},{"end":"2029-12-21T20:15Z","end_local":"22:15","hours":1.0,"label":"marginal","mean_quality":0.45,"start":"2029-12-21T19:15Z","start_local":"21:15"},{"end":"2029-12-22T05:50Z","end_local":"07:50","hours":9.58,"label":"unusable","mean_quality":0.0,"start":"2029-12-21T20:15Z","start_local":"22:15"}]},{"best_window":{"end":"2029-12-21T19:15Z","end_local":"21:15","hours":2.67,"label":"good","mean_quality":0.73,"start":"2029-12-21T16:35Z","start_local":"18:35"},"dec":44.25788576,"moon_separation":107.9,"name":"V1057 Cyg","quality_hours":2.68,"ra":314.72388973,"resolved":{"dec":44.25788576,"name":"EM* LkHA 190","ra":314.72388973,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=V1057%20Cyg","source":"sesame","spectral_type":"F7/G3I/IIe","type":"Or*","type_text":"Orion-type variable \u2014 a young, erupting star","vmag":12.33},"score":null,"score_astronomy":55,"score_weather":null,"transit":{"airmass":1.0,"alt":87.3,"az":357.8,"t":"2029-12-21T13:20Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2029-12-21T15:30Z","end_local":"17:30","hours":0.67,"label":"unusable","mean_quality":0.0,"start":"2029-12-21T14:50Z","start_local":"16:50"},{"end":"2029-12-21T16:05Z","end_local":"18:05","hours":0.58,"label":"poor","mean_quality":0.13,"start":"2029-12-21T15:30Z","start_local":"17:30"},{"end":"2029-12-21T16:35Z","end_local":"18:35","hours":0.5,"label":"marginal","mean_quality":0.43,"start":"2029-12-21T16:05Z","start_local":"18:05"},{"end":"2029-12-21T19:15Z","end_local":"21:15","hours":2.67,"label":"good","mean_quality":0.73,"start":"2029-12-21T16:35Z","start_local":"18:35"},{"end":"2029-12-21T20:15Z","end_local":"22:15","hours":1.0,"label":"marginal","mean_quality":0.45,"start":"2029-12-21T19:15Z","start_local":"21:15"},{"end":"2029-12-22T05:50Z","end_local":"07:50","hours":9.58,"label":"unusable","mean_quality":0.0,"start":"2029-12-21T20:15Z","start_local":"22:15"}]},{"best_window":{"end":"2029-12-21T19:00Z","end_local":"21:00","hours":2.42,"label":"good","mean_quality":0.65,"start":"2029-12-21T16:35Z","start_local":"18:35"},"dec":30.66017511,"moon_separation":70.1,"name":"M33","quality_hours":4.11,"ra":23.46206906,"resolved":{"common_name":"Triangulum Pinwheel","dec":30.66017511,"morphology":"SA(s)cd","name":"M 33","ra":23.46206906,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=M33","source":"sesame","type":"GiG","type_text":"galaxy in a group","vmag":5.72},"score":null,"score_astronomy":70,"score_weather":null,"transit":{"airmass":1.02,"alt":79.1,"az":180.9,"t":"2029-12-21T17:55Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2029-12-21T15:30Z","end_local":"17:30","hours":0.67,"label":"unusable","mean_quality":0.0,"start":"2029-12-21T14:50Z","start_local":"16:50"},{"end":"2029-12-21T16:05Z","end_local":"18:05","hours":0.58,"label":"poor","mean_quality":0.12,"start":"2029-12-21T15:30Z","start_local":"17:30"},{"end":"2029-12-21T16:35Z","end_local":"18:35","hours":0.5,"label":"marginal","mean_quality":0.36,"start":"2029-12-21T16:05Z","start_local":"18:05"},{"end":"2029-12-21T19:00Z","end_local":"21:00","hours":2.42,"label":"good","mean_quality":0.65,"start":"2029-12-21T16:35Z","start_local":"18:35"},{"end":"2029-12-21T23:30Z","end_local":"01:30","hours":4.5,"label":"marginal","mean_quality":0.49,"start":"2029-12-21T19:00Z","start_local":"21:00"},{"end":"2029-12-21T23:55Z","end_local":"01:55","hours":0.42,"label":"poor","mean_quality":0.25,"start":"2029-12-21T23:30Z","start_local":"01:30"},{"end":"2029-12-22T05:50Z","end_local":"07:50","hours":5.92,"label":"unusable","mean_quality":0.0,"start":"2029-12-21T23:55Z","start_local":"01:55"}]}],"unscheduled":[{"name":"M42","why":"no usable window tonight"}],"warnings":[]}
