{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2026-03-25","schedule":[{"end":"2026-03-25T18:15Z","end_local":"20:15","hours":1.67,"mean_quality":0.0,"start":"2026-03-25T16:35Z","start_local":"18:35","target":null},{"end":"2026-03-25T19:00Z","end_local":"21:00","hours":0.75,"mean_quality":0.43,"start":"2026-03-25T18:15Z","start_local":"20:15","target":"M45"},{"end":"2026-03-26T00:15Z","end_local":"02:15","hours":5.25,"mean_quality":0.0,"start":"2026-03-25T19:00Z","start_local":"21:00","target":null},{"end":"2026-03-26T01:05Z","end_local":"03:05","hours":0.83,"mean_quality":0.52,"start":"2026-03-26T00:15Z","start_local":"02:15","target":"NGC 7000"},{"end":"2026-03-26T02:45Z","end_local":"04:45","hours":1.67,"mean_quality":0.65,"start":"2026-03-26T01:05Z","start_local":"03:05","target":"V1057 Cyg"},{"end":"2026-03-26T04:15Z","end_local":"06:15","hours":1.5,"mean_quality":0.0,"start":"2026-03-26T02:45Z","start_local":"04:45","target":null}],"targets":[{"best_window":null,"dec":41.26875,"moon_separation":70.1,"name":"M31","quality_hours":0.02,"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":0,"score_astronomy":0,"score_weather":98,"transit":{"airmass":1.0,"alt":89.6,"az":224.1,"t":"2026-03-25T10:55Z"},"verdict":"unusable","weather_known":true,"windows":[{"end":"2026-03-25T17:10Z","end_local":"19:10","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2026-03-25T16:35Z","start_local":"18:35"},{"end":"2026-03-25T17:35Z","end_local":"19:35","hours":0.42,"label":"poor","mean_quality":0.05,"start":"2026-03-25T17:10Z","start_local":"19:10"},{"end":"2026-03-26T04:15Z","end_local":"06:15","hours":10.67,"label":"unusable","mean_quality":0.0,"start":"2026-03-25T17:35Z","start_local":"19:35"}]},{"best_window":{"end":"2026-03-25T19:00Z","end_local":"21:00","hours":0.75,"label":"marginal","mean_quality":0.41,"start":"2026-03-25T18:15Z","start_local":"20:15"},"dec":-5.3876,"moon_separation":35.9,"name":"M42","quality_hours":0.57,"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":7,"score_astronomy":9,"score_weather":77,"transit":{"airmass":1.47,"alt":42.9,"az":179.9,"t":"2026-03-25T15:45Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2026-03-25T17:10Z","end_local":"19:10","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2026-03-25T16:35Z","start_local":"18:35"},{"end":"2026-03-25T18:15Z","end_local":"20:15","hours":1.08,"label":"poor","mean_quality":0.16,"start":"2026-03-25T17:10Z","start_local":"19:10"},{"end":"2026-03-25T19:00Z","end_local":"21:00","hours":0.75,"label":"marginal","mean_quality":0.41,"start":"2026-03-25T18:15Z","start_local":"20:15"},{"end":"2026-03-25T19:35Z","end_local":"21:35","hours":0.58,"label":"poor","mean_quality":0.15,"start":"2026-03-25T19:00Z","start_local":"21:00"},{"end":"2026-03-26T04:15Z","end_local":"06:15","hours":8.67,"label":"unusable","mean_quality":0.0,"start":"2026-03-25T19:35Z","start_local":"21:35"}]},{"best_window":{"end":"2026-03-25T19:00Z","end_local":"21:00","hours":0.75,"label":"marginal","mean_quality":0.43,"start":"2026-03-25T18:15Z","start_local":"20:15"},"dec":24.17805556,"moon_separation":37.0,"name":"M45","quality_hours":0.59,"ra":56.65833333,"resolved":{"common_name":"Seven Sisters","dec":24.17805556,"name":"Cl Melotte 22","ra":56.65833333,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=M45","source":"sesame","type":"OpC","type_text":"open cluster"},"score":8,"score_astronomy":10,"score_weather":77,"transit":{"airmass":1.05,"alt":72.6,"az":178.4,"t":"2026-03-25T13:55Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2026-03-25T17:10Z","end_local":"19:10","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2026-03-25T16:35Z","start_local":"18:35"},{"end":"2026-03-25T18:15Z","end_local":"20:15","hours":1.08,"label":"poor","mean_quality":0.17,"start":"2026-03-25T17:10Z","start_local":"19:10"},{"end":"2026-03-25T19:00Z","end_local":"21:00","hours":0.75,"label":"marginal","mean_quality":0.43,"start":"2026-03-25T18:15Z","start_local":"20:15"},{"end":"2026-03-25T19:35Z","end_local":"21:35","hours":0.58,"label":"poor","mean_quality":0.15,"start":"2026-03-25T19:00Z","start_local":"21:00"},{"end":"2026-03-26T04:15Z","end_local":"06:15","hours":8.67,"label":"unusable","mean_quality":0.0,"start":"2026-03-25T19:35Z","start_local":"21:35"}]},{"best_window":{"end":"2026-03-26T02:00Z","end_local":"04:00","hours":1.08,"label":"good","mean_quality":0.76,"start":"2026-03-26T00:55Z","start_local":"02:55"},"dec":44.33,"moon_separation":100.3,"name":"NGC 7000","quality_hours":1.61,"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":36,"score_astronomy":47,"score_weather":76,"transit":{"airmass":1.0,"alt":87.3,"az":2.9,"t":"2026-03-26T07:05Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2026-03-26T00:15Z","end_local":"02:15","hours":7.67,"label":"unusable","mean_quality":0.0,"start":"2026-03-25T16:35Z","start_local":"18:35"},{"end":"2026-03-26T00:55Z","end_local":"02:55","hours":0.67,"label":"marginal","mean_quality":0.48,"start":"2026-03-26T00:15Z","start_local":"02:15"},{"end":"2026-03-26T02:00Z","end_local":"04:00","hours":1.08,"label":"good","mean_quality":0.76,"start":"2026-03-26T00:55Z","start_local":"02:55"},{"end":"2026-03-26T02:45Z","end_local":"04:45","hours":0.75,"label":"marginal","mean_quality":0.48,"start":"2026-03-26T02:00Z","start_local":"04:00"},{"end":"2026-03-26T03:50Z","end_local":"05:50","hours":1.08,"label":"poor","mean_quality":0.09,"start":"2026-03-26T02:45Z","start_local":"04:45"},{"end":"2026-03-26T04:15Z","end_local":"06:15","hours":0.42,"label":"unusable","mean_quality":0.0,"start":"2026-03-26T03:50Z","start_local":"05:50"}]},{"best_window":{"end":"2026-03-26T02:00Z","end_local":"04:00","hours":1.08,"label":"good","mean_quality":0.76,"start":"2026-03-26T00:55Z","start_local":"02:55"},"dec":44.25788576,"moon_separation":100.4,"name":"V1057 Cyg","quality_hours":1.6,"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":36,"score_astronomy":47,"score_weather":76,"transit":{"airmass":1.0,"alt":87.3,"az":3.4,"t":"2026-03-26T07:05Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2026-03-26T00:15Z","end_local":"02:15","hours":7.67,"label":"unusable","mean_quality":0.0,"start":"2026-03-25T16:35Z","start_local":"18:35"},{"end":"2026-03-26T00:55Z","end_local":"02:55","hours":0.67,"label":"marginal","mean_quality":0.48,"start":"2026-03-26T00:15Z","start_local":"02:15"},{"end":"2026-03-26T02:00Z","end_local":"04:00","hours":1.08,"label":"good","mean_quality":0.76,"start":"2026-03-26T00:55Z","start_local":"02:55"},{"end":"2026-03-26T02:45Z","end_local":"04:45","hours":0.75,"label":"marginal","mean_quality":0.48,"start":"2026-03-26T02:00Z","start_local":"04:00"},{"end":"2026-03-26T03:50Z","end_local":"05:50","hours":1.08,"label":"poor","mean_quality":0.09,"start":"2026-03-26T02:45Z","start_local":"04:45"},{"end":"2026-03-26T04:15Z","end_local":"06:15","hours":0.42,"label":"unusable","mean_quality":0.0,"start":"2026-03-26T03:50Z","start_local":"05:50"}]},{"best_window":null,"dec":30.66017511,"moon_separation":63.7,"name":"M33","quality_hours":0.04,"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":0,"score_astronomy":0,"score_weather":98,"transit":{"airmass":1.02,"alt":79.1,"az":180.5,"t":"2026-03-25T11:45Z"},"verdict":"unusable","weather_known":true,"windows":[{"end":"2026-03-25T17:10Z","end_local":"19:10","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2026-03-25T16:35Z","start_local":"18:35"},{"end":"2026-03-25T17:45Z","end_local":"19:45","hours":0.58,"label":"poor","mean_quality":0.07,"start":"2026-03-25T17:10Z","start_local":"19:10"},{"end":"2026-03-26T04:15Z","end_local":"06:15","hours":10.5,"label":"unusable","mean_quality":0.0,"start":"2026-03-25T17:45Z","start_local":"19:45"}]}],"unscheduled":[{"name":"M31","why":"no usable window tonight"},{"name":"M42","why":"its best window (20:15\u201321:00) is outranked by M45"},{"name":"M33","why":"no usable window tonight"}],"warnings":[]}