{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2028-12-24","schedule":[{"end":"2028-12-24T16:05Z","end_local":"18:05","hours":1.17,"mean_quality":0.0,"start":"2028-12-24T14:55Z","start_local":"16:55","target":null},{"end":"2028-12-24T17:40Z","end_local":"19:40","hours":1.58,"mean_quality":0.51,"start":"2028-12-24T16:05Z","start_local":"18:05","target":"NGC 7000"},{"end":"2028-12-24T19:15Z","end_local":"21:15","hours":1.58,"mean_quality":0.56,"start":"2028-12-24T17:40Z","start_local":"19:40","target":"V1057 Cyg"},{"end":"2028-12-24T20:50Z","end_local":"22:50","hours":1.58,"mean_quality":0.67,"start":"2028-12-24T19:15Z","start_local":"21:15","target":"M45"},{"end":"2028-12-24T22:25Z","end_local":"00:25","hours":1.58,"mean_quality":0.71,"start":"2028-12-24T20:50Z","start_local":"22:50","target":"M42"},{"end":"2028-12-24T23:30Z","end_local":"01:30","hours":1.08,"mean_quality":0.45,"start":"2028-12-24T22:25Z","start_local":"00:25","target":"M31"},{"end":"2028-12-24T23:40Z","end_local":"01:40","hours":0.17,"mean_quality":0.45,"start":"2028-12-24T23:30Z","start_local":"01:30","target":"M33"},{"end":"2028-12-25T01:30Z","end_local":"03:30","hours":1.83,"mean_quality":0.73,"start":"2028-12-24T23:40Z","start_local":"01:40","target":"M45"},{"end":"2028-12-25T05:50Z","end_local":"07:50","hours":4.33,"mean_quality":0.0,"start":"2028-12-25T01:30Z","start_local":"03:30","target":null}],"targets":[{"best_window":{"end":"2028-12-24T20:05Z","end_local":"22:05","hours":0.75,"label":"good","mean_quality":0.6,"start":"2028-12-24T19:20Z","start_local":"21:20"},"dec":41.26875,"moon_separation":30.6,"name":"M31","quality_hours":4.06,"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":61,"score_weather":null,"transit":{"airmass":1.0,"alt":89.7,"az":163.2,"t":"2028-12-24T16:50Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2028-12-24T15:30Z","end_local":"17:30","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2028-12-24T14:55Z","start_local":"16:55"},{"end":"2028-12-24T16:40Z","end_local":"18:40","hours":1.17,"label":"poor","mean_quality":0.18,"start":"2028-12-24T15:30Z","start_local":"17:30"},{"end":"2028-12-24T19:20Z","end_local":"21:20","hours":2.67,"label":"marginal","mean_quality":0.58,"start":"2028-12-24T16:40Z","start_local":"18:40"},{"end":"2028-12-24T20:05Z","end_local":"22:05","hours":0.75,"label":"good","mean_quality":0.6,"start":"2028-12-24T19:20Z","start_local":"21:20"},{"end":"2028-12-24T23:30Z","end_local":"01:30","hours":3.42,"label":"marginal","mean_quality":0.54,"start":"2028-12-24T20:05Z","start_local":"22:05"},{"end":"2028-12-25T05:50Z","end_local":"07:50","hours":6.33,"label":"unusable","mean_quality":0.0,"start":"2028-12-24T23:30Z","start_local":"01:30"}]},{"best_window":{"end":"2028-12-25T01:00Z","end_local":"03:00","hours":6.0,"label":"good","mean_quality":0.71,"start":"2028-12-24T19:00Z","start_local":"21:00"},"dec":-5.3876,"moon_separation":73.7,"name":"M42","quality_hours":5.0,"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":179.3,"t":"2028-12-24T21:40Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2028-12-24T17:55Z","end_local":"19:55","hours":3.0,"label":"unusable","mean_quality":0.0,"start":"2028-12-24T14:55Z","start_local":"16:55"},{"end":"2028-12-24T18:00Z","end_local":"20:00","hours":0.08,"label":"poor","mean_quality":0.3,"start":"2028-12-24T17:55Z","start_local":"19:55"},{"end":"2028-12-24T19:00Z","end_local":"21:00","hours":1.0,"label":"marginal","mean_quality":0.45,"start":"2028-12-24T18:00Z","start_local":"20:00"},{"end":"2028-12-25T01:00Z","end_local":"03:00","hours":6.0,"label":"good","mean_quality":0.71,"start":"2028-12-24T19:00Z","start_local":"21:00"},{"end":"2028-12-25T01:30Z","end_local":"03:30","hours":0.5,"label":"marginal","mean_quality":0.51,"start":"2028-12-25T01:00Z","start_local":"03:00"},{"end":"2028-12-25T05:50Z","end_local":"07:50","hours":4.33,"label":"unusable","mean_quality":0.0,"start":"2028-12-25T01:30Z","start_local":"03:30"}]},{"best_window":{"end":"2028-12-25T01:05Z","end_local":"03:05","hours":7.58,"label":"good","mean_quality":0.7,"start":"2028-12-24T17:30Z","start_local":"19:30"},"dec":24.11388889,"moon_separation":44.8,"name":"M45","quality_hours":6.24,"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":88,"score_weather":null,"transit":{"airmass":1.05,"alt":72.5,"az":181.0,"t":"2028-12-24T19:55Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2028-12-24T15:30Z","end_local":"17:30","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2028-12-24T14:55Z","start_local":"16:55"},{"end":"2028-12-24T16:40Z","end_local":"18:40","hours":1.17,"label":"poor","mean_quality":0.18,"start":"2028-12-24T15:30Z","start_local":"17:30"},{"end":"2028-12-24T17:30Z","end_local":"19:30","hours":0.83,"label":"marginal","mean_quality":0.58,"start":"2028-12-24T16:40Z","start_local":"18:40"},{"end":"2028-12-25T01:05Z","end_local":"03:05","hours":7.58,"label":"good","mean_quality":0.7,"start":"2028-12-24T17:30Z","start_local":"19:30"},{"end":"2028-12-25T01:30Z","end_local":"03:30","hours":0.42,"label":"marginal","mean_quality":0.5,"start":"2028-12-25T01:05Z","start_local":"03:05"},{"end":"2028-12-25T05:50Z","end_local":"07:50","hours":4.33,"label":"unusable","mean_quality":0.0,"start":"2028-12-25T01:30Z","start_local":"03:30"}]},{"best_window":{"end":"2028-12-24T17:35Z","end_local":"19:35","hours":0.92,"label":"good","mean_quality":0.62,"start":"2028-12-24T16:40Z","start_local":"18:40"},"dec":44.33,"moon_separation":59.1,"name":"NGC 7000","quality_hours":2.04,"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":32,"score_weather":null,"transit":{"airmass":1.0,"alt":87.2,"az":5.7,"t":"2028-12-24T13:05Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2028-12-24T15:30Z","end_local":"17:30","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2028-12-24T14:55Z","start_local":"16:55"},{"end":"2028-12-24T16:05Z","end_local":"18:05","hours":0.58,"label":"poor","mean_quality":0.1,"start":"2028-12-24T15:30Z","start_local":"17:30"},{"end":"2028-12-24T16:40Z","end_local":"18:40","hours":0.58,"label":"marginal","mean_quality":0.33,"start":"2028-12-24T16:05Z","start_local":"18:05"},{"end":"2028-12-24T17:35Z","end_local":"19:35","hours":0.92,"label":"good","mean_quality":0.62,"start":"2028-12-24T16:40Z","start_local":"18:40"},{"end":"2028-12-24T20:00Z","end_local":"22:00","hours":2.42,"label":"marginal","mean_quality":0.51,"start":"2028-12-24T17:35Z","start_local":"19:35"},{"end":"2028-12-25T05:50Z","end_local":"07:50","hours":9.83,"label":"unusable","mean_quality":0.0,"start":"2028-12-24T20:00Z","start_local":"22:00"}]},{"best_window":{"end":"2028-12-24T17:30Z","end_local":"19:30","hours":0.83,"label":"good","mean_quality":0.62,"start":"2028-12-24T16:40Z","start_local":"18:40"},"dec":44.25788576,"moon_separation":59.0,"name":"V1057 Cyg","quality_hours":2.03,"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":32,"score_weather":null,"transit":{"airmass":1.0,"alt":87.3,"az":6.3,"t":"2028-12-24T13:05Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2028-12-24T15:30Z","end_local":"17:30","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2028-12-24T14:55Z","start_local":"16:55"},{"end":"2028-12-24T16:05Z","end_local":"18:05","hours":0.58,"label":"poor","mean_quality":0.1,"start":"2028-12-24T15:30Z","start_local":"17:30"},{"end":"2028-12-24T16:40Z","end_local":"18:40","hours":0.58,"label":"marginal","mean_quality":0.33,"start":"2028-12-24T16:05Z","start_local":"18:05"},{"end":"2028-12-24T17:30Z","end_local":"19:30","hours":0.83,"label":"good","mean_quality":0.62,"start":"2028-12-24T16:40Z","start_local":"18:40"},{"end":"2028-12-24T20:00Z","end_local":"22:00","hours":2.5,"label":"marginal","mean_quality":0.51,"start":"2028-12-24T17:30Z","start_local":"19:30"},{"end":"2028-12-25T05:50Z","end_local":"07:50","hours":9.83,"label":"unusable","mean_quality":0.0,"start":"2028-12-24T20:00Z","start_local":"22:00"}]},{"best_window":{"end":"2028-12-24T21:40Z","end_local":"23:40","hours":2.25,"label":"good","mean_quality":0.61,"start":"2028-12-24T19:25Z","start_local":"21:25"},"dec":30.66017511,"moon_separation":22.9,"name":"M33","quality_hours":4.24,"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":62,"score_weather":null,"transit":{"airmass":1.02,"alt":79.1,"az":178.4,"t":"2028-12-24T17:40Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2028-12-24T15:30Z","end_local":"17:30","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2028-12-24T14:55Z","start_local":"16:55"},{"end":"2028-12-24T16:40Z","end_local":"18:40","hours":1.17,"label":"poor","mean_quality":0.18,"start":"2028-12-24T15:30Z","start_local":"17:30"},{"end":"2028-12-24T19:25Z","end_local":"21:25","hours":2.75,"label":"marginal","mean_quality":0.57,"start":"2028-12-24T16:40Z","start_local":"18:40"},{"end":"2028-12-24T21:40Z","end_local":"23:40","hours":2.25,"label":"good","mean_quality":0.61,"start":"2028-12-24T19:25Z","start_local":"21:25"},{"end":"2028-12-24T23:40Z","end_local":"01:40","hours":2.0,"label":"marginal","mean_quality":0.54,"start":"2028-12-24T21:40Z","start_local":"23:40"},{"end":"2028-12-25T05:50Z","end_local":"07:50","hours":6.17,"label":"unusable","mean_quality":0.0,"start":"2028-12-24T23:40Z","start_local":"01:40"}]}],"unscheduled":[],"warnings":[]}
