{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2026-12-30","schedule":[{"end":"2026-12-30T16:10Z","end_local":"18:10","hours":1.25,"mean_quality":0.0,"start":"2026-12-30T14:55Z","start_local":"16:55","target":null},{"end":"2026-12-30T17:40Z","end_local":"19:40","hours":1.5,"mean_quality":0.75,"start":"2026-12-30T16:10Z","start_local":"18:10","target":"V1057 Cyg"},{"end":"2026-12-30T19:10Z","end_local":"21:10","hours":1.5,"mean_quality":1.0,"start":"2026-12-30T17:40Z","start_local":"19:40","target":"M31"},{"end":"2026-12-30T20:40Z","end_local":"22:40","hours":1.5,"mean_quality":0.98,"start":"2026-12-30T19:10Z","start_local":"21:10","target":"M33"},{"end":"2026-12-30T22:10Z","end_local":"00:10","hours":1.5,"mean_quality":0.99,"start":"2026-12-30T20:40Z","start_local":"22:40","target":"M45"},{"end":"2026-12-31T01:10Z","end_local":"03:10","hours":3.0,"mean_quality":0.72,"start":"2026-12-30T22:10Z","start_local":"00:10","target":"M42"},{"end":"2026-12-31T05:50Z","end_local":"07:50","hours":4.67,"mean_quality":0.0,"start":"2026-12-31T01:10Z","start_local":"03:10","target":null}],"targets":[{"best_window":{"end":"2026-12-30T22:35Z","end_local":"00:35","hours":5.92,"label":"good","mean_quality":0.93,"start":"2026-12-30T16:40Z","start_local":"18:40"},"dec":41.26875,"moon_separation":146.6,"name":"M31","quality_hours":6.11,"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":100,"score_weather":null,"transit":{"airmass":1.0,"alt":89.6,"az":220.3,"t":"2026-12-30T16:30Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2026-12-30T15:35Z","end_local":"17:35","hours":0.67,"label":"unusable","mean_quality":0.0,"start":"2026-12-30T14:55Z","start_local":"16:55"},{"end":"2026-12-30T16:10Z","end_local":"18:10","hours":0.58,"label":"poor","mean_quality":0.15,"start":"2026-12-30T15:35Z","start_local":"17:35"},{"end":"2026-12-30T16:40Z","end_local":"18:40","hours":0.5,"label":"marginal","mean_quality":0.5,"start":"2026-12-30T16:10Z","start_local":"18:10"},{"end":"2026-12-30T22:35Z","end_local":"00:35","hours":5.92,"label":"good","mean_quality":0.93,"start":"2026-12-30T16:40Z","start_local":"18:40"},{"end":"2026-12-30T23:10Z","end_local":"01:10","hours":0.58,"label":"marginal","mean_quality":0.5,"start":"2026-12-30T22:35Z","start_local":"00:35"},{"end":"2026-12-31T05:50Z","end_local":"07:50","hours":6.67,"label":"unusable","mean_quality":0.0,"start":"2026-12-30T23:10Z","start_local":"01:10"}]},{"best_window":{"end":"2026-12-31T00:30Z","end_local":"02:30","hours":6.42,"label":"good","mean_quality":0.82,"start":"2026-12-30T18:05Z","start_local":"20:05"},"dec":-5.3876,"moon_separation":103.7,"name":"M42","quality_hours":5.83,"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":89,"score_weather":null,"transit":{"airmass":1.47,"alt":42.9,"az":179.9,"t":"2026-12-30T21:20Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2026-12-30T17:35Z","end_local":"19:35","hours":2.67,"label":"unusable","mean_quality":0.0,"start":"2026-12-30T14:55Z","start_local":"16:55"},{"end":"2026-12-30T18:05Z","end_local":"20:05","hours":0.5,"label":"marginal","mean_quality":0.5,"start":"2026-12-30T17:35Z","start_local":"19:35"},{"end":"2026-12-31T00:30Z","end_local":"02:30","hours":6.42,"label":"good","mean_quality":0.82,"start":"2026-12-30T18:05Z","start_local":"20:05"},{"end":"2026-12-31T01:10Z","end_local":"03:10","hours":0.67,"label":"marginal","mean_quality":0.49,"start":"2026-12-31T00:30Z","start_local":"02:30"},{"end":"2026-12-31T05:50Z","end_local":"07:50","hours":4.67,"label":"unusable","mean_quality":0.0,"start":"2026-12-31T01:10Z","start_local":"03:10"}]},{"best_window":{"end":"2026-12-31T00:40Z","end_local":"02:40","hours":8.0,"label":"good","mean_quality":0.94,"start":"2026-12-30T16:40Z","start_local":"18:40"},"dec":24.11388889,"moon_separation":131.3,"name":"M45","quality_hours":8.07,"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":100,"score_weather":null,"transit":{"airmass":1.05,"alt":72.5,"az":178.4,"t":"2026-12-30T19:30Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2026-12-30T15:35Z","end_local":"17:35","hours":0.67,"label":"unusable","mean_quality":0.0,"start":"2026-12-30T14:55Z","start_local":"16:55"},{"end":"2026-12-30T16:10Z","end_local":"18:10","hours":0.58,"label":"poor","mean_quality":0.13,"start":"2026-12-30T15:35Z","start_local":"17:35"},{"end":"2026-12-30T16:40Z","end_local":"18:40","hours":0.5,"label":"marginal","mean_quality":0.46,"start":"2026-12-30T16:10Z","start_local":"18:10"},{"end":"2026-12-31T00:40Z","end_local":"02:40","hours":8.0,"label":"good","mean_quality":0.94,"start":"2026-12-30T16:40Z","start_local":"18:40"},{"end":"2026-12-31T01:10Z","end_local":"03:10","hours":0.5,"label":"marginal","mean_quality":0.48,"start":"2026-12-31T00:40Z","start_local":"02:40"},{"end":"2026-12-31T05:50Z","end_local":"07:50","hours":4.67,"label":"unusable","mean_quality":0.0,"start":"2026-12-31T01:10Z","start_local":"03:10"}]},{"best_window":{"end":"2026-12-30T19:05Z","end_local":"21:05","hours":2.42,"label":"good","mean_quality":0.82,"start":"2026-12-30T16:40Z","start_local":"18:40"},"dec":44.33,"moon_separation":121.0,"name":"NGC 7000","quality_hours":2.6,"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":60,"score_weather":null,"transit":{"airmass":1.0,"alt":87.3,"az":359.6,"t":"2026-12-30T12:45Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2026-12-30T15:35Z","end_local":"17:35","hours":0.67,"label":"unusable","mean_quality":0.0,"start":"2026-12-30T14:55Z","start_local":"16:55"},{"end":"2026-12-30T16:10Z","end_local":"18:10","hours":0.58,"label":"poor","mean_quality":0.15,"start":"2026-12-30T15:35Z","start_local":"17:35"},{"end":"2026-12-30T16:40Z","end_local":"18:40","hours":0.5,"label":"marginal","mean_quality":0.47,"start":"2026-12-30T16:10Z","start_local":"18:10"},{"end":"2026-12-30T19:05Z","end_local":"21:05","hours":2.42,"label":"good","mean_quality":0.82,"start":"2026-12-30T16:40Z","start_local":"18:40"},{"end":"2026-12-30T19:40Z","end_local":"21:40","hours":0.58,"label":"marginal","mean_quality":0.5,"start":"2026-12-30T19:05Z","start_local":"21:05"},{"end":"2026-12-31T05:50Z","end_local":"07:50","hours":10.17,"label":"unusable","mean_quality":0.0,"start":"2026-12-30T19:40Z","start_local":"21:40"}]},{"best_window":{"end":"2026-12-30T19:05Z","end_local":"21:05","hours":2.42,"label":"good","mean_quality":0.82,"start":"2026-12-30T16:40Z","start_local":"18:40"},"dec":44.25788576,"moon_separation":121.0,"name":"V1057 Cyg","quality_hours":2.6,"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":60,"score_weather":null,"transit":{"airmass":1.0,"alt":87.3,"az":0.0,"t":"2026-12-30T12:45Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2026-12-30T15:35Z","end_local":"17:35","hours":0.67,"label":"unusable","mean_quality":0.0,"start":"2026-12-30T14:55Z","start_local":"16:55"},{"end":"2026-12-30T16:10Z","end_local":"18:10","hours":0.58,"label":"poor","mean_quality":0.15,"start":"2026-12-30T15:35Z","start_local":"17:35"},{"end":"2026-12-30T16:40Z","end_local":"18:40","hours":0.5,"label":"marginal","mean_quality":0.47,"start":"2026-12-30T16:10Z","start_local":"18:10"},{"end":"2026-12-30T19:05Z","end_local":"21:05","hours":2.42,"label":"good","mean_quality":0.82,"start":"2026-12-30T16:40Z","start_local":"18:40"},{"end":"2026-12-30T19:40Z","end_local":"21:40","hours":0.58,"label":"marginal","mean_quality":0.5,"start":"2026-12-30T19:05Z","start_local":"21:05"},{"end":"2026-12-31T05:50Z","end_local":"07:50","hours":10.17,"label":"unusable","mean_quality":0.0,"start":"2026-12-30T19:40Z","start_local":"21:40"}]},{"best_window":{"end":"2026-12-30T22:50Z","end_local":"00:50","hours":6.17,"label":"good","mean_quality":0.94,"start":"2026-12-30T16:40Z","start_local":"18:40"},"dec":30.66017511,"moon_separation":153.3,"name":"M33","quality_hours":6.35,"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":100,"score_weather":null,"transit":{"airmass":1.02,"alt":79.1,"az":180.3,"t":"2026-12-30T17:20Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2026-12-30T15:35Z","end_local":"17:35","hours":0.67,"label":"unusable","mean_quality":0.0,"start":"2026-12-30T14:55Z","start_local":"16:55"},{"end":"2026-12-30T16:10Z","end_local":"18:10","hours":0.58,"label":"poor","mean_quality":0.15,"start":"2026-12-30T15:35Z","start_local":"17:35"},{"end":"2026-12-30T16:40Z","end_local":"18:40","hours":0.5,"label":"marginal","mean_quality":0.5,"start":"2026-12-30T16:10Z","start_local":"18:10"},{"end":"2026-12-30T22:50Z","end_local":"00:50","hours":6.17,"label":"good","mean_quality":0.94,"start":"2026-12-30T16:40Z","start_local":"18:40"},{"end":"2026-12-30T23:20Z","end_local":"01:20","hours":0.5,"label":"marginal","mean_quality":0.49,"start":"2026-12-30T22:50Z","start_local":"00:50"},{"end":"2026-12-31T05:50Z","end_local":"07:50","hours":6.5,"label":"unusable","mean_quality":0.0,"start":"2026-12-30T23:20Z","start_local":"01:20"}]}],"unscheduled":[{"name":"NGC 7000","why":"its best window (18:40\u201321:05) is outranked by M31, V1057 Cyg"}],"warnings":[]}
