{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2028-12-01","schedule":[{"end":"2028-12-01T16:00Z","end_local":"18:00","hours":1.17,"mean_quality":0.0,"start":"2028-12-01T14:50Z","start_local":"16:50","target":null},{"end":"2028-12-01T17:35Z","end_local":"19:35","hours":1.58,"mean_quality":0.58,"start":"2028-12-01T16:00Z","start_local":"18:00","target":"V1057 Cyg"},{"end":"2028-12-01T19:10Z","end_local":"21:10","hours":1.58,"mean_quality":0.63,"start":"2028-12-01T17:35Z","start_local":"19:35","target":"NGC 7000"},{"end":"2028-12-01T20:20Z","end_local":"22:20","hours":1.17,"mean_quality":0.32,"start":"2028-12-01T19:10Z","start_local":"21:10","target":"M33"},{"end":"2028-12-01T23:50Z","end_local":"01:50","hours":3.5,"mean_quality":0.33,"start":"2028-12-01T20:20Z","start_local":"22:20","target":"M31"},{"end":"2028-12-02T05:30Z","end_local":"07:30","hours":5.67,"mean_quality":0.0,"start":"2028-12-01T23:50Z","start_local":"01:50","target":null}],"targets":[{"best_window":{"end":"2028-12-01T23:50Z","end_local":"01:50","hours":7.25,"label":"marginal","mean_quality":0.39,"start":"2028-12-01T16:35Z","start_local":"18:35"},"dec":41.26875,"moon_separation":48.6,"name":"M31","quality_hours":3.32,"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":44,"score_weather":null,"transit":{"airmass":1.0,"alt":89.7,"az":148.8,"t":"2028-12-01T18:20Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2028-12-01T15:25Z","end_local":"17:25","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2028-12-01T14:50Z","start_local":"16:50"},{"end":"2028-12-01T16:35Z","end_local":"18:35","hours":1.17,"label":"poor","mean_quality":0.18,"start":"2028-12-01T15:25Z","start_local":"17:25"},{"end":"2028-12-01T23:50Z","end_local":"01:50","hours":7.25,"label":"marginal","mean_quality":0.39,"start":"2028-12-01T16:35Z","start_local":"18:35"},{"end":"2028-12-02T01:05Z","end_local":"03:05","hours":1.25,"label":"poor","mean_quality":0.24,"start":"2028-12-01T23:50Z","start_local":"01:50"},{"end":"2028-12-02T05:30Z","end_local":"07:30","hours":4.42,"label":"unusable","mean_quality":0.0,"start":"2028-12-02T01:05Z","start_local":"03:05"}]},{"best_window":null,"dec":-5.3876,"moon_separation":34.6,"name":"M42","quality_hours":1.77,"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":179.2,"t":"2028-12-01T23:10Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2028-12-01T19:25Z","end_local":"21:25","hours":4.58,"label":"unusable","mean_quality":0.0,"start":"2028-12-01T14:50Z","start_local":"16:50"},{"end":"2028-12-02T03:05Z","end_local":"05:05","hours":7.67,"label":"poor","mean_quality":0.23,"start":"2028-12-01T19:25Z","start_local":"21:25"},{"end":"2028-12-02T05:30Z","end_local":"07:30","hours":2.42,"label":"unusable","mean_quality":0.0,"start":"2028-12-02T03:05Z","start_local":"05:05"}]},{"best_window":{"end":"2028-12-01T18:30Z","end_local":"20:30","hours":1.92,"label":"marginal","mean_quality":0.33,"start":"2028-12-01T16:35Z","start_local":"18:35"},"dec":24.11388889,"moon_separation":8.8,"name":"M45","quality_hours":2.8,"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":24,"score_weather":null,"transit":{"airmass":1.05,"alt":72.5,"az":180.6,"t":"2028-12-01T21:25Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2028-12-01T15:50Z","end_local":"17:50","hours":1.0,"label":"unusable","mean_quality":0.0,"start":"2028-12-01T14:50Z","start_local":"16:50"},{"end":"2028-12-01T16:35Z","end_local":"18:35","hours":0.75,"label":"poor","mean_quality":0.11,"start":"2028-12-01T15:50Z","start_local":"17:50"},{"end":"2028-12-01T18:30Z","end_local":"20:30","hours":1.92,"label":"marginal","mean_quality":0.33,"start":"2028-12-01T16:35Z","start_local":"18:35"},{"end":"2028-12-02T03:00Z","end_local":"05:00","hours":8.5,"label":"poor","mean_quality":0.25,"start":"2028-12-01T18:30Z","start_local":"20:30"},{"end":"2028-12-02T05:30Z","end_local":"07:30","hours":2.5,"label":"unusable","mean_quality":0.0,"start":"2028-12-02T03:00Z","start_local":"05:00"}]},{"best_window":{"end":"2028-12-01T18:45Z","end_local":"20:45","hours":2.17,"label":"good","mean_quality":0.67,"start":"2028-12-01T16:35Z","start_local":"18:35"},"dec":44.33,"moon_separation":86.9,"name":"NGC 7000","quality_hours":3.05,"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":7.3,"t":"2028-12-01T14:35Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2028-12-01T15:25Z","end_local":"17:25","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2028-12-01T14:50Z","start_local":"16:50"},{"end":"2028-12-01T16:00Z","end_local":"18:00","hours":0.58,"label":"poor","mean_quality":0.11,"start":"2028-12-01T15:25Z","start_local":"17:25"},{"end":"2028-12-01T16:35Z","end_local":"18:35","hours":0.58,"label":"marginal","mean_quality":0.37,"start":"2028-12-01T16:00Z","start_local":"18:00"},{"end":"2028-12-01T18:45Z","end_local":"20:45","hours":2.17,"label":"good","mean_quality":0.67,"start":"2028-12-01T16:35Z","start_local":"18:35"},{"end":"2028-12-01T21:15Z","end_local":"23:15","hours":2.5,"label":"marginal","mean_quality":0.5,"start":"2028-12-01T18:45Z","start_local":"20:45"},{"end":"2028-12-01T21:30Z","end_local":"23:30","hours":0.25,"label":"poor","mean_quality":0.28,"start":"2028-12-01T21:15Z","start_local":"23:15"},{"end":"2028-12-02T05:30Z","end_local":"07:30","hours":8.0,"label":"unusable","mean_quality":0.0,"start":"2028-12-01T21:30Z","start_local":"23:30"}]},{"best_window":{"end":"2028-12-01T18:45Z","end_local":"20:45","hours":2.17,"label":"good","mean_quality":0.67,"start":"2028-12-01T16:35Z","start_local":"18:35"},"dec":44.25788576,"moon_separation":87.0,"name":"V1057 Cyg","quality_hours":3.05,"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":7.9,"t":"2028-12-01T14:35Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2028-12-01T15:25Z","end_local":"17:25","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2028-12-01T14:50Z","start_local":"16:50"},{"end":"2028-12-01T16:00Z","end_local":"18:00","hours":0.58,"label":"poor","mean_quality":0.11,"start":"2028-12-01T15:25Z","start_local":"17:25"},{"end":"2028-12-01T16:35Z","end_local":"18:35","hours":0.58,"label":"marginal","mean_quality":0.37,"start":"2028-12-01T16:00Z","start_local":"18:00"},{"end":"2028-12-01T18:45Z","end_local":"20:45","hours":2.17,"label":"good","mean_quality":0.67,"start":"2028-12-01T16:35Z","start_local":"18:35"},{"end":"2028-12-01T21:15Z","end_local":"23:15","hours":2.5,"label":"marginal","mean_quality":0.5,"start":"2028-12-01T18:45Z","start_local":"20:45"},{"end":"2028-12-01T21:30Z","end_local":"23:30","hours":0.25,"label":"poor","mean_quality":0.28,"start":"2028-12-01T21:15Z","start_local":"23:15"},{"end":"2028-12-02T05:30Z","end_local":"07:30","hours":8.0,"label":"unusable","mean_quality":0.0,"start":"2028-12-01T21:30Z","start_local":"23:30"}]},{"best_window":{"end":"2028-12-01T20:20Z","end_local":"22:20","hours":3.75,"label":"marginal","mean_quality":0.38,"start":"2028-12-01T16:35Z","start_local":"18:35"},"dec":30.66017511,"moon_separation":38.1,"name":"M33","quality_hours":2.85,"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":34,"score_weather":null,"transit":{"airmass":1.02,"alt":79.1,"az":177.9,"t":"2028-12-01T19:10Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2028-12-01T15:25Z","end_local":"17:25","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2028-12-01T14:50Z","start_local":"16:50"},{"end":"2028-12-01T16:35Z","end_local":"18:35","hours":1.17,"label":"poor","mean_quality":0.16,"start":"2028-12-01T15:25Z","start_local":"17:25"},{"end":"2028-12-01T20:20Z","end_local":"22:20","hours":3.75,"label":"marginal","mean_quality":0.38,"start":"2028-12-01T16:35Z","start_local":"18:35"},{"end":"2028-12-02T01:15Z","end_local":"03:15","hours":4.92,"label":"poor","mean_quality":0.25,"start":"2028-12-01T20:20Z","start_local":"22:20"},{"end":"2028-12-02T05:30Z","end_local":"07:30","hours":4.25,"label":"unusable","mean_quality":0.0,"start":"2028-12-02T01:15Z","start_local":"03:15"}]}],"unscheduled":[{"name":"M42","why":"no usable window tonight"},{"name":"M45","why":"its best window (18:35\u201320:30) is outranked by NGC 7000, V1057 Cyg"}],"warnings":[]}
