{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2026-01-01","schedule":[{"end":"2026-01-01T16:10Z","end_local":"18:10","hours":1.17,"mean_quality":0.0,"start":"2026-01-01T15:00Z","start_local":"17:00","target":null},{"end":"2026-01-01T17:25Z","end_local":"19:25","hours":1.25,"mean_quality":0.48,"start":"2026-01-01T16:10Z","start_local":"18:10","target":"V1057 Cyg"},{"end":"2026-01-01T18:40Z","end_local":"20:40","hours":1.25,"mean_quality":0.56,"start":"2026-01-01T17:25Z","start_local":"19:25","target":"NGC 7000"},{"end":"2026-01-01T19:55Z","end_local":"21:55","hours":1.25,"mean_quality":0.43,"start":"2026-01-01T18:40Z","start_local":"20:40","target":"M31"},{"end":"2026-01-01T22:15Z","end_local":"00:15","hours":2.33,"mean_quality":0.32,"start":"2026-01-01T19:55Z","start_local":"21:55","target":"M33"},{"end":"2026-01-02T05:50Z","end_local":"07:50","hours":7.58,"mean_quality":0.0,"start":"2026-01-01T22:15Z","start_local":"00:15","target":null}],"targets":[{"best_window":{"end":"2026-01-01T22:15Z","end_local":"00:15","hours":5.5,"label":"marginal","mean_quality":0.42,"start":"2026-01-01T16:45Z","start_local":"18:45"},"dec":41.26875,"moon_separation":56.7,"name":"M31","quality_hours":2.67,"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":34,"score_astronomy":34,"score_weather":100,"transit":{"airmass":1.0,"alt":89.7,"az":184.4,"t":"2026-01-01T16:20Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2026-01-01T15:35Z","end_local":"17:35","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2026-01-01T15:00Z","start_local":"17:00"},{"end":"2026-01-01T16:45Z","end_local":"18:45","hours":1.17,"label":"poor","mean_quality":0.17,"start":"2026-01-01T15:35Z","start_local":"17:35"},{"end":"2026-01-01T22:15Z","end_local":"00:15","hours":5.5,"label":"marginal","mean_quality":0.42,"start":"2026-01-01T16:45Z","start_local":"18:45"},{"end":"2026-01-01T23:00Z","end_local":"01:00","hours":0.75,"label":"poor","mean_quality":0.24,"start":"2026-01-01T22:15Z","start_local":"00:15"},{"end":"2026-01-02T05:50Z","end_local":"07:50","hours":6.83,"label":"unusable","mean_quality":0.0,"start":"2026-01-01T23:00Z","start_local":"01:00"}]},{"best_window":null,"dec":-5.3876,"moon_separation":33.7,"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":12,"score_astronomy":12,"score_weather":100,"transit":{"airmass":1.47,"alt":42.9,"az":179.5,"t":"2026-01-01T21:10Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2026-01-01T17:25Z","end_local":"19:25","hours":2.42,"label":"unusable","mean_quality":0.0,"start":"2026-01-01T15:00Z","start_local":"17:00"},{"end":"2026-01-02T01:00Z","end_local":"03:00","hours":7.58,"label":"poor","mean_quality":0.23,"start":"2026-01-01T17:25Z","start_local":"19:25"},{"end":"2026-01-02T05:50Z","end_local":"07:50","hours":4.83,"label":"unusable","mean_quality":0.0,"start":"2026-01-02T01:00Z","start_local":"03:00"}]},{"best_window":{"end":"2026-01-01T18:05Z","end_local":"20:05","hours":1.33,"label":"marginal","mean_quality":0.32,"start":"2026-01-01T16:45Z","start_local":"18:45"},"dec":24.11388889,"moon_separation":21.0,"name":"M45","quality_hours":2.26,"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":20,"score_astronomy":20,"score_weather":100,"transit":{"airmass":1.05,"alt":72.5,"az":181.4,"t":"2026-01-01T19:25Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2026-01-01T15:35Z","end_local":"17:35","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2026-01-01T15:00Z","start_local":"17:00"},{"end":"2026-01-01T16:45Z","end_local":"18:45","hours":1.17,"label":"poor","mean_quality":0.11,"start":"2026-01-01T15:35Z","start_local":"17:35"},{"end":"2026-01-01T18:05Z","end_local":"20:05","hours":1.33,"label":"marginal","mean_quality":0.32,"start":"2026-01-01T16:45Z","start_local":"18:45"},{"end":"2026-01-02T01:00Z","end_local":"03:00","hours":6.92,"label":"poor","mean_quality":0.24,"start":"2026-01-01T18:05Z","start_local":"20:05"},{"end":"2026-01-02T05:50Z","end_local":"07:50","hours":4.83,"label":"unusable","mean_quality":0.0,"start":"2026-01-02T01:00Z","start_local":"03:00"}]},{"best_window":{"end":"2026-01-01T17:25Z","end_local":"19:25","hours":0.67,"label":"good","mean_quality":0.62,"start":"2026-01-01T16:45Z","start_local":"18:45"},"dec":44.33,"moon_separation":91.8,"name":"NGC 7000","quality_hours":1.67,"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":27,"score_astronomy":27,"score_weather":100,"transit":{"airmass":1.0,"alt":87.3,"az":3.9,"t":"2026-01-01T12:35Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2026-01-01T15:35Z","end_local":"17:35","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2026-01-01T15:00Z","start_local":"17:00"},{"end":"2026-01-01T16:10Z","end_local":"18:10","hours":0.58,"label":"poor","mean_quality":0.11,"start":"2026-01-01T15:35Z","start_local":"17:35"},{"end":"2026-01-01T16:45Z","end_local":"18:45","hours":0.58,"label":"marginal","mean_quality":0.33,"start":"2026-01-01T16:10Z","start_local":"18:10"},{"end":"2026-01-01T17:25Z","end_local":"19:25","hours":0.67,"label":"good","mean_quality":0.62,"start":"2026-01-01T16:45Z","start_local":"18:45"},{"end":"2026-01-01T19:20Z","end_local":"21:20","hours":1.92,"label":"marginal","mean_quality":0.5,"start":"2026-01-01T17:25Z","start_local":"19:25"},{"end":"2026-01-01T19:30Z","end_local":"21:30","hours":0.17,"label":"poor","mean_quality":0.29,"start":"2026-01-01T19:20Z","start_local":"21:20"},{"end":"2026-01-02T05:50Z","end_local":"07:50","hours":10.33,"label":"unusable","mean_quality":0.0,"start":"2026-01-01T19:30Z","start_local":"21:30"}]},{"best_window":{"end":"2026-01-01T17:25Z","end_local":"19:25","hours":0.67,"label":"good","mean_quality":0.62,"start":"2026-01-01T16:45Z","start_local":"18:45"},"dec":44.25788576,"moon_separation":91.8,"name":"V1057 Cyg","quality_hours":1.67,"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":27,"score_astronomy":27,"score_weather":100,"transit":{"airmass":1.0,"alt":87.3,"az":4.4,"t":"2026-01-01T12:35Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2026-01-01T15:35Z","end_local":"17:35","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2026-01-01T15:00Z","start_local":"17:00"},{"end":"2026-01-01T16:10Z","end_local":"18:10","hours":0.58,"label":"poor","mean_quality":0.11,"start":"2026-01-01T15:35Z","start_local":"17:35"},{"end":"2026-01-01T16:45Z","end_local":"18:45","hours":0.58,"label":"marginal","mean_quality":0.33,"start":"2026-01-01T16:10Z","start_local":"18:10"},{"end":"2026-01-01T17:25Z","end_local":"19:25","hours":0.67,"label":"good","mean_quality":0.62,"start":"2026-01-01T16:45Z","start_local":"18:45"},{"end":"2026-01-01T19:20Z","end_local":"21:20","hours":1.92,"label":"marginal","mean_quality":0.5,"start":"2026-01-01T17:25Z","start_local":"19:25"},{"end":"2026-01-01T19:30Z","end_local":"21:30","hours":0.17,"label":"poor","mean_quality":0.29,"start":"2026-01-01T19:20Z","start_local":"21:20"},{"end":"2026-01-02T05:50Z","end_local":"07:50","hours":10.33,"label":"unusable","mean_quality":0.0,"start":"2026-01-01T19:30Z","start_local":"21:30"}]},{"best_window":{"end":"2026-01-01T22:15Z","end_local":"00:15","hours":5.5,"label":"marginal","mean_quality":0.37,"start":"2026-01-01T16:45Z","start_local":"18:45"},"dec":30.66017511,"moon_separation":48.4,"name":"M33","quality_hours":2.45,"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":29,"score_astronomy":29,"score_weather":100,"transit":{"airmass":1.02,"alt":79.1,"az":179.0,"t":"2026-01-01T17:10Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2026-01-01T15:35Z","end_local":"17:35","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2026-01-01T15:00Z","start_local":"17:00"},{"end":"2026-01-01T16:45Z","end_local":"18:45","hours":1.17,"label":"poor","mean_quality":0.16,"start":"2026-01-01T15:35Z","start_local":"17:35"},{"end":"2026-01-01T22:15Z","end_local":"00:15","hours":5.5,"label":"marginal","mean_quality":0.37,"start":"2026-01-01T16:45Z","start_local":"18:45"},{"end":"2026-01-01T23:10Z","end_local":"01:10","hours":0.92,"label":"poor","mean_quality":0.23,"start":"2026-01-01T22:15Z","start_local":"00:15"},{"end":"2026-01-02T05:50Z","end_local":"07:50","hours":6.67,"label":"unusable","mean_quality":0.0,"start":"2026-01-01T23:10Z","start_local":"01:10"}]}],"unscheduled":[{"name":"M42","why":"no usable window tonight"},{"name":"M45","why":"its best window (18:45\u201320:05) is outranked by NGC 7000, V1057 Cyg"}],"warnings":[]}