{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2030-01-10","schedule":[{"end":"2030-01-10T16:20Z","end_local":"18:20","hours":1.25,"mean_quality":0.0,"start":"2030-01-10T15:05Z","start_local":"17:05","target":null},{"end":"2030-01-10T17:45Z","end_local":"19:45","hours":1.42,"mean_quality":0.53,"start":"2030-01-10T16:20Z","start_local":"18:20","target":"NGC 7000"},{"end":"2030-01-10T18:50Z","end_local":"20:50","hours":1.08,"mean_quality":0.49,"start":"2030-01-10T17:45Z","start_local":"19:45","target":"V1057 Cyg"},{"end":"2030-01-10T20:15Z","end_local":"22:15","hours":1.42,"mean_quality":0.78,"start":"2030-01-10T18:50Z","start_local":"20:50","target":"M45"},{"end":"2030-01-10T21:40Z","end_local":"23:40","hours":1.42,"mean_quality":0.77,"start":"2030-01-10T20:15Z","start_local":"22:15","target":"M42"},{"end":"2030-01-10T22:35Z","end_local":"00:35","hours":0.92,"mean_quality":0.52,"start":"2030-01-10T21:40Z","start_local":"23:40","target":"M33"},{"end":"2030-01-11T00:25Z","end_local":"02:25","hours":1.83,"mean_quality":0.72,"start":"2030-01-10T22:35Z","start_local":"00:35","target":"M45"},{"end":"2030-01-11T05:50Z","end_local":"07:50","hours":5.42,"mean_quality":0.0,"start":"2030-01-11T00:25Z","start_local":"02:25","target":null}],"targets":[{"best_window":{"end":"2030-01-10T21:30Z","end_local":"23:30","hours":4.67,"label":"good","mean_quality":0.68,"start":"2030-01-10T16:50Z","start_local":"18:50"},"dec":41.26875,"moon_separation":31.3,"name":"M31","quality_hours":3.87,"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":69,"score_weather":null,"transit":{"airmass":1.0,"alt":89.7,"az":196.2,"t":"2030-01-10T15:45Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2030-01-10T15:45Z","end_local":"17:45","hours":0.67,"label":"unusable","mean_quality":0.0,"start":"2030-01-10T15:05Z","start_local":"17:05"},{"end":"2030-01-10T16:20Z","end_local":"18:20","hours":0.58,"label":"poor","mean_quality":0.1,"start":"2030-01-10T15:45Z","start_local":"17:45"},{"end":"2030-01-10T16:50Z","end_local":"18:50","hours":0.5,"label":"marginal","mean_quality":0.34,"start":"2030-01-10T16:20Z","start_local":"18:20"},{"end":"2030-01-10T21:30Z","end_local":"23:30","hours":4.67,"label":"good","mean_quality":0.68,"start":"2030-01-10T16:50Z","start_local":"18:50"},{"end":"2030-01-10T22:25Z","end_local":"00:25","hours":0.92,"label":"marginal","mean_quality":0.48,"start":"2030-01-10T21:30Z","start_local":"23:30"},{"end":"2030-01-11T05:50Z","end_local":"07:50","hours":7.42,"label":"unusable","mean_quality":0.0,"start":"2030-01-10T22:25Z","start_local":"00:25"}]},{"best_window":{"end":"2030-01-10T23:55Z","end_local":"01:55","hours":6.17,"label":"good","mean_quality":0.75,"start":"2030-01-10T17:45Z","start_local":"19:45"},"dec":-5.3876,"moon_separation":74.6,"name":"M42","quality_hours":5.29,"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":85,"score_weather":null,"transit":{"airmass":1.47,"alt":42.9,"az":179.6,"t":"2030-01-10T20:35Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2030-01-10T16:50Z","end_local":"18:50","hours":1.75,"label":"unusable","mean_quality":0.0,"start":"2030-01-10T15:05Z","start_local":"17:05"},{"end":"2030-01-10T17:45Z","end_local":"19:45","hours":0.92,"label":"marginal","mean_quality":0.46,"start":"2030-01-10T16:50Z","start_local":"18:50"},{"end":"2030-01-10T23:55Z","end_local":"01:55","hours":6.17,"label":"good","mean_quality":0.75,"start":"2030-01-10T17:45Z","start_local":"19:45"},{"end":"2030-01-11T00:25Z","end_local":"02:25","hours":0.5,"label":"marginal","mean_quality":0.51,"start":"2030-01-10T23:55Z","start_local":"01:55"},{"end":"2030-01-11T05:50Z","end_local":"07:50","hours":5.42,"label":"unusable","mean_quality":0.0,"start":"2030-01-11T00:25Z","start_local":"02:25"}]},{"best_window":{"end":"2030-01-11T00:00Z","end_local":"02:00","hours":7.17,"label":"good","mean_quality":0.78,"start":"2030-01-10T16:50Z","start_local":"18:50"},"dec":24.11388889,"moon_separation":46.0,"name":"M45","quality_hours":6.03,"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":89,"score_weather":null,"transit":{"airmass":1.05,"alt":72.5,"az":181.6,"t":"2030-01-10T18:50Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2030-01-10T15:45Z","end_local":"17:45","hours":0.67,"label":"unusable","mean_quality":0.0,"start":"2030-01-10T15:05Z","start_local":"17:05"},{"end":"2030-01-10T16:20Z","end_local":"18:20","hours":0.58,"label":"poor","mean_quality":0.1,"start":"2030-01-10T15:45Z","start_local":"17:45"},{"end":"2030-01-10T16:50Z","end_local":"18:50","hours":0.5,"label":"marginal","mean_quality":0.36,"start":"2030-01-10T16:20Z","start_local":"18:20"},{"end":"2030-01-11T00:00Z","end_local":"02:00","hours":7.17,"label":"good","mean_quality":0.78,"start":"2030-01-10T16:50Z","start_local":"18:50"},{"end":"2030-01-11T00:25Z","end_local":"02:25","hours":0.42,"label":"marginal","mean_quality":0.5,"start":"2030-01-11T00:00Z","start_local":"02:00"},{"end":"2030-01-11T05:50Z","end_local":"07:50","hours":5.42,"label":"unusable","mean_quality":0.0,"start":"2030-01-11T00:25Z","start_local":"02:25"}]},{"best_window":{"end":"2030-01-10T17:50Z","end_local":"19:50","hours":1.0,"label":"good","mean_quality":0.64,"start":"2030-01-10T16:50Z","start_local":"18:50"},"dec":44.33,"moon_separation":58.9,"name":"NGC 7000","quality_hours":1.39,"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":23,"score_weather":null,"transit":{"airmass":1.0,"alt":87.2,"az":2.5,"t":"2030-01-10T12:00Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2030-01-10T15:45Z","end_local":"17:45","hours":0.67,"label":"unusable","mean_quality":0.0,"start":"2030-01-10T15:05Z","start_local":"17:05"},{"end":"2030-01-10T16:20Z","end_local":"18:20","hours":0.58,"label":"poor","mean_quality":0.1,"start":"2030-01-10T15:45Z","start_local":"17:45"},{"end":"2030-01-10T16:50Z","end_local":"18:50","hours":0.5,"label":"marginal","mean_quality":0.34,"start":"2030-01-10T16:20Z","start_local":"18:20"},{"end":"2030-01-10T17:50Z","end_local":"19:50","hours":1.0,"label":"good","mean_quality":0.64,"start":"2030-01-10T16:50Z","start_local":"18:50"},{"end":"2030-01-10T18:55Z","end_local":"20:55","hours":1.08,"label":"marginal","mean_quality":0.46,"start":"2030-01-10T17:50Z","start_local":"19:50"},{"end":"2030-01-11T05:05Z","end_local":"07:05","hours":10.17,"label":"unusable","mean_quality":0.0,"start":"2030-01-10T18:55Z","start_local":"20:55"},{"end":"2030-01-11T05:20Z","end_local":"07:20","hours":0.25,"label":"poor","mean_quality":0.06,"start":"2030-01-11T05:05Z","start_local":"07:05"},{"end":"2030-01-11T05:50Z","end_local":"07:50","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2030-01-11T05:20Z","start_local":"07:20"}]},{"best_window":{"end":"2030-01-10T17:50Z","end_local":"19:50","hours":1.0,"label":"good","mean_quality":0.64,"start":"2030-01-10T16:50Z","start_local":"18:50"},"dec":44.25788576,"moon_separation":58.9,"name":"V1057 Cyg","quality_hours":1.39,"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":23,"score_weather":null,"transit":{"airmass":1.0,"alt":87.3,"az":3.0,"t":"2030-01-10T12:00Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2030-01-10T15:45Z","end_local":"17:45","hours":0.67,"label":"unusable","mean_quality":0.0,"start":"2030-01-10T15:05Z","start_local":"17:05"},{"end":"2030-01-10T16:20Z","end_local":"18:20","hours":0.58,"label":"poor","mean_quality":0.1,"start":"2030-01-10T15:45Z","start_local":"17:45"},{"end":"2030-01-10T16:50Z","end_local":"18:50","hours":0.5,"label":"marginal","mean_quality":0.34,"start":"2030-01-10T16:20Z","start_local":"18:20"},{"end":"2030-01-10T17:50Z","end_local":"19:50","hours":1.0,"label":"good","mean_quality":0.64,"start":"2030-01-10T16:50Z","start_local":"18:50"},{"end":"2030-01-10T18:55Z","end_local":"20:55","hours":1.08,"label":"marginal","mean_quality":0.46,"start":"2030-01-10T17:50Z","start_local":"19:50"},{"end":"2030-01-11T05:05Z","end_local":"07:05","hours":10.17,"label":"unusable","mean_quality":0.0,"start":"2030-01-10T18:55Z","start_local":"20:55"},{"end":"2030-01-11T05:20Z","end_local":"07:20","hours":0.25,"label":"poor","mean_quality":0.06,"start":"2030-01-11T05:05Z","start_local":"07:05"},{"end":"2030-01-11T05:50Z","end_local":"07:50","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2030-01-11T05:20Z","start_local":"07:20"}]},{"best_window":{"end":"2030-01-10T21:50Z","end_local":"23:50","hours":5.0,"label":"good","mean_quality":0.69,"start":"2030-01-10T16:50Z","start_local":"18:50"},"dec":30.66017511,"moon_separation":24.0,"name":"M33","quality_hours":4.06,"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":72,"score_weather":null,"transit":{"airmass":1.02,"alt":79.1,"az":179.3,"t":"2030-01-10T16:35Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2030-01-10T15:45Z","end_local":"17:45","hours":0.67,"label":"unusable","mean_quality":0.0,"start":"2030-01-10T15:05Z","start_local":"17:05"},{"end":"2030-01-10T16:20Z","end_local":"18:20","hours":0.58,"label":"poor","mean_quality":0.1,"start":"2030-01-10T15:45Z","start_local":"17:45"},{"end":"2030-01-10T16:50Z","end_local":"18:50","hours":0.5,"label":"marginal","mean_quality":0.34,"start":"2030-01-10T16:20Z","start_local":"18:20"},{"end":"2030-01-10T21:50Z","end_local":"23:50","hours":5.0,"label":"good","mean_quality":0.69,"start":"2030-01-10T16:50Z","start_local":"18:50"},{"end":"2030-01-10T22:35Z","end_local":"00:35","hours":0.75,"label":"marginal","mean_quality":0.5,"start":"2030-01-10T21:50Z","start_local":"23:50"},{"end":"2030-01-11T05:50Z","end_local":"07:50","hours":7.25,"label":"unusable","mean_quality":0.0,"start":"2030-01-10T22:35Z","start_local":"00:35"}]}],"unscheduled":[{"name":"M31","why":"its best window (18:50\u201323:30) is outranked by M42, M45, NGC 7000, V1057 Cyg"}],"warnings":[]}