{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2028-12-31","schedule":[{"end":"2028-12-31T16:10Z","end_local":"18:10","hours":1.17,"mean_quality":0.0,"start":"2028-12-31T15:00Z","start_local":"17:00","target":null},{"end":"2028-12-31T17:20Z","end_local":"19:20","hours":1.17,"mean_quality":0.57,"start":"2028-12-31T16:10Z","start_local":"18:10","target":"V1057 Cyg"},{"end":"2028-12-31T18:30Z","end_local":"20:30","hours":1.17,"mean_quality":0.68,"start":"2028-12-31T17:20Z","start_local":"19:20","target":"NGC 7000"},{"end":"2028-12-31T19:40Z","end_local":"21:40","hours":1.17,"mean_quality":0.61,"start":"2028-12-31T18:30Z","start_local":"20:30","target":"M31"},{"end":"2028-12-31T20:50Z","end_local":"22:50","hours":1.17,"mean_quality":0.52,"start":"2028-12-31T19:40Z","start_local":"21:40","target":"M33"},{"end":"2028-12-31T22:00Z","end_local":"00:00","hours":1.17,"mean_quality":0.33,"start":"2028-12-31T20:50Z","start_local":"22:50","target":"M45"},{"end":"2028-12-31T22:40Z","end_local":"00:40","hours":0.67,"mean_quality":0.37,"start":"2028-12-31T22:00Z","start_local":"00:00","target":"M31"},{"end":"2028-12-31T22:50Z","end_local":"00:50","hours":0.17,"mean_quality":0.31,"start":"2028-12-31T22:40Z","start_local":"00:40","target":"M33"},{"end":"2029-01-01T05:50Z","end_local":"07:50","hours":7.0,"mean_quality":0.0,"start":"2028-12-31T22:50Z","start_local":"00:50","target":null}],"targets":[{"best_window":{"end":"2028-12-31T19:20Z","end_local":"21:20","hours":2.58,"label":"good","mean_quality":0.65,"start":"2028-12-31T16:45Z","start_local":"18:45"},"dec":41.26875,"moon_separation":78.2,"name":"M31","quality_hours":3.7,"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":65,"score_weather":null,"transit":{"airmass":1.0,"alt":89.5,"az":236.1,"t":"2028-12-31T16:25Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2028-12-31T15:35Z","end_local":"17:35","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2028-12-31T15:00Z","start_local":"17:00"},{"end":"2028-12-31T16:10Z","end_local":"18:10","hours":0.58,"label":"poor","mean_quality":0.11,"start":"2028-12-31T15:35Z","start_local":"17:35"},{"end":"2028-12-31T16:45Z","end_local":"18:45","hours":0.58,"label":"marginal","mean_quality":0.36,"start":"2028-12-31T16:10Z","start_local":"18:10"},{"end":"2028-12-31T19:20Z","end_local":"21:20","hours":2.58,"label":"good","mean_quality":0.65,"start":"2028-12-31T16:45Z","start_local":"18:45"},{"end":"2028-12-31T22:40Z","end_local":"00:40","hours":3.33,"label":"marginal","mean_quality":0.49,"start":"2028-12-31T19:20Z","start_local":"21:20"},{"end":"2028-12-31T23:05Z","end_local":"01:05","hours":0.42,"label":"poor","mean_quality":0.26,"start":"2028-12-31T22:40Z","start_local":"00:40"},{"end":"2029-01-01T05:50Z","end_local":"07:50","hours":6.75,"label":"unusable","mean_quality":0.0,"start":"2028-12-31T23:05Z","start_local":"01:05"}]},{"best_window":{"end":"2028-12-31T19:00Z","end_local":"21:00","hours":0.58,"label":"marginal","mean_quality":0.3,"start":"2028-12-31T18:25Z","start_local":"20:25"},"dec":-5.3876,"moon_separation":34.9,"name":"M42","quality_hours":1.81,"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":14,"score_weather":null,"transit":{"airmass":1.47,"alt":42.9,"az":180.2,"t":"2028-12-31T21:15Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2028-12-31T17:30Z","end_local":"19:30","hours":2.5,"label":"unusable","mean_quality":0.0,"start":"2028-12-31T15:00Z","start_local":"17:00"},{"end":"2028-12-31T18:25Z","end_local":"20:25","hours":0.92,"label":"poor","mean_quality":0.24,"start":"2028-12-31T17:30Z","start_local":"19:30"},{"end":"2028-12-31T19:00Z","end_local":"21:00","hours":0.58,"label":"marginal","mean_quality":0.3,"start":"2028-12-31T18:25Z","start_local":"20:25"},{"end":"2029-01-01T01:05Z","end_local":"03:05","hours":6.08,"label":"poor","mean_quality":0.23,"start":"2028-12-31T19:00Z","start_local":"21:00"},{"end":"2029-01-01T05:50Z","end_local":"07:50","hours":4.75,"label":"unusable","mean_quality":0.0,"start":"2029-01-01T01:05Z","start_local":"03:05"}]},{"best_window":{"end":"2028-12-31T22:20Z","end_local":"00:20","hours":5.58,"label":"marginal","mean_quality":0.4,"start":"2028-12-31T16:45Z","start_local":"18:45"},"dec":24.11388889,"moon_separation":44.1,"name":"M45","quality_hours":3.15,"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":41,"score_weather":null,"transit":{"airmass":1.05,"alt":72.5,"az":179.1,"t":"2028-12-31T19:25Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2028-12-31T15:35Z","end_local":"17:35","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2028-12-31T15:00Z","start_local":"17:00"},{"end":"2028-12-31T16:45Z","end_local":"18:45","hours":1.17,"label":"poor","mean_quality":0.17,"start":"2028-12-31T15:35Z","start_local":"17:35"},{"end":"2028-12-31T22:20Z","end_local":"00:20","hours":5.58,"label":"marginal","mean_quality":0.4,"start":"2028-12-31T16:45Z","start_local":"18:45"},{"end":"2029-01-01T01:05Z","end_local":"03:05","hours":2.75,"label":"poor","mean_quality":0.26,"start":"2028-12-31T22:20Z","start_local":"00:20"},{"end":"2029-01-01T05:50Z","end_local":"07:50","hours":4.75,"label":"unusable","mean_quality":0.0,"start":"2029-01-01T01:05Z","start_local":"03:05"}]},{"best_window":{"end":"2028-12-31T18:35Z","end_local":"20:35","hours":1.83,"label":"good","mean_quality":0.69,"start":"2028-12-31T16:45Z","start_local":"18:45"},"dec":44.33,"moon_separation":107.6,"name":"NGC 7000","quality_hours":2.02,"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":38,"score_weather":null,"transit":{"airmass":1.0,"alt":87.2,"az":356.3,"t":"2028-12-31T12:40Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2028-12-31T15:35Z","end_local":"17:35","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2028-12-31T15:00Z","start_local":"17:00"},{"end":"2028-12-31T16:10Z","end_local":"18:10","hours":0.58,"label":"poor","mean_quality":0.12,"start":"2028-12-31T15:35Z","start_local":"17:35"},{"end":"2028-12-31T16:45Z","end_local":"18:45","hours":0.58,"label":"marginal","mean_quality":0.39,"start":"2028-12-31T16:10Z","start_local":"18:10"},{"end":"2028-12-31T18:35Z","end_local":"20:35","hours":1.83,"label":"good","mean_quality":0.69,"start":"2028-12-31T16:45Z","start_local":"18:45"},{"end":"2028-12-31T19:35Z","end_local":"21:35","hours":1.0,"label":"marginal","mean_quality":0.45,"start":"2028-12-31T18:35Z","start_local":"20:35"},{"end":"2029-01-01T05:50Z","end_local":"07:50","hours":10.25,"label":"unusable","mean_quality":0.0,"start":"2028-12-31T19:35Z","start_local":"21:35"}]},{"best_window":{"end":"2028-12-31T18:35Z","end_local":"20:35","hours":1.83,"label":"good","mean_quality":0.69,"start":"2028-12-31T16:45Z","start_local":"18:45"},"dec":44.25788576,"moon_separation":107.6,"name":"V1057 Cyg","quality_hours":2.02,"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":38,"score_weather":null,"transit":{"airmass":1.0,"alt":87.3,"az":356.6,"t":"2028-12-31T12:40Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2028-12-31T15:35Z","end_local":"17:35","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2028-12-31T15:00Z","start_local":"17:00"},{"end":"2028-12-31T16:10Z","end_local":"18:10","hours":0.58,"label":"poor","mean_quality":0.12,"start":"2028-12-31T15:35Z","start_local":"17:35"},{"end":"2028-12-31T16:45Z","end_local":"18:45","hours":0.58,"label":"marginal","mean_quality":0.39,"start":"2028-12-31T16:10Z","start_local":"18:10"},{"end":"2028-12-31T18:35Z","end_local":"20:35","hours":1.83,"label":"good","mean_quality":0.69,"start":"2028-12-31T16:45Z","start_local":"18:45"},{"end":"2028-12-31T19:35Z","end_local":"21:35","hours":1.0,"label":"marginal","mean_quality":0.45,"start":"2028-12-31T18:35Z","start_local":"20:35"},{"end":"2029-01-01T05:50Z","end_local":"07:50","hours":10.25,"label":"unusable","mean_quality":0.0,"start":"2028-12-31T19:35Z","start_local":"21:35"}]},{"best_window":{"end":"2028-12-31T18:30Z","end_local":"20:30","hours":1.75,"label":"good","mean_quality":0.63,"start":"2028-12-31T16:45Z","start_local":"18:45"},"dec":30.66017511,"moon_separation":71.6,"name":"M33","quality_hours":3.59,"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":60,"score_weather":null,"transit":{"airmass":1.02,"alt":79.1,"az":181.2,"t":"2028-12-31T17:15Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2028-12-31T15:35Z","end_local":"17:35","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2028-12-31T15:00Z","start_local":"17:00"},{"end":"2028-12-31T16:10Z","end_local":"18:10","hours":0.58,"label":"poor","mean_quality":0.11,"start":"2028-12-31T15:35Z","start_local":"17:35"},{"end":"2028-12-31T16:45Z","end_local":"18:45","hours":0.58,"label":"marginal","mean_quality":0.34,"start":"2028-12-31T16:10Z","start_local":"18:10"},{"end":"2028-12-31T18:30Z","end_local":"20:30","hours":1.75,"label":"good","mean_quality":0.63,"start":"2028-12-31T16:45Z","start_local":"18:45"},{"end":"2028-12-31T22:50Z","end_local":"00:50","hours":4.33,"label":"marginal","mean_quality":0.49,"start":"2028-12-31T18:30Z","start_local":"20:30"},{"end":"2028-12-31T23:15Z","end_local":"01:15","hours":0.42,"label":"poor","mean_quality":0.25,"start":"2028-12-31T22:50Z","start_local":"00:50"},{"end":"2029-01-01T05:50Z","end_local":"07:50","hours":6.58,"label":"unusable","mean_quality":0.0,"start":"2028-12-31T23:15Z","start_local":"01:15"}]}],"unscheduled":[{"name":"M42","why":"its best window (20:25\u201321:00) is outranked by M31, NGC 7000"}],"warnings":[]}