{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2025-03-21","schedule":[{"end":"2025-03-21T17:35Z","end_local":"19:35","hours":1.08,"mean_quality":0.0,"start":"2025-03-21T16:30Z","start_local":"18:30","target":null},{"end":"2025-03-21T18:30Z","end_local":"20:30","hours":0.92,"mean_quality":0.59,"start":"2025-03-21T17:35Z","start_local":"19:35","target":"M45"},{"end":"2025-03-21T19:50Z","end_local":"21:50","hours":1.33,"mean_quality":0.64,"start":"2025-03-21T18:30Z","start_local":"20:30","target":"M42"},{"end":"2025-03-22T00:55Z","end_local":"02:55","hours":5.08,"mean_quality":0.0,"start":"2025-03-21T19:50Z","start_local":"21:50","target":null},{"end":"2025-03-22T01:00Z","end_local":"03:00","hours":0.08,"mean_quality":0.31,"start":"2025-03-22T00:55Z","start_local":"02:55","target":"NGC 7000"},{"end":"2025-03-22T02:00Z","end_local":"04:00","hours":1.0,"mean_quality":0.0,"start":"2025-03-22T01:00Z","start_local":"03:00","target":null},{"end":"2025-03-22T02:50Z","end_local":"04:50","hours":0.83,"mean_quality":0.44,"start":"2025-03-22T02:00Z","start_local":"04:00","target":"NGC 7000"},{"end":"2025-03-22T03:15Z","end_local":"05:15","hours":0.42,"mean_quality":0.0,"start":"2025-03-22T02:50Z","start_local":"04:50","target":null},{"end":"2025-03-22T03:25Z","end_local":"05:25","hours":0.17,"mean_quality":0.3,"start":"2025-03-22T03:15Z","start_local":"05:15","target":"V1057 Cyg"},{"end":"2025-03-22T04:25Z","end_local":"06:25","hours":1.0,"mean_quality":0.0,"start":"2025-03-22T03:25Z","start_local":"05:25","target":null}],"targets":[{"best_window":null,"dec":41.26875,"moon_separation":119.9,"name":"M31","quality_hours":0.1,"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":1,"score_astronomy":1,"score_weather":100,"transit":{"airmass":1.0,"alt":89.6,"az":228.6,"t":"2025-03-21T11:10Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2025-03-21T17:05Z","end_local":"19:05","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2025-03-21T16:30Z","start_local":"18:30"},{"end":"2025-03-21T17:50Z","end_local":"19:50","hours":0.75,"label":"poor","mean_quality":0.13,"start":"2025-03-21T17:05Z","start_local":"19:05"},{"end":"2025-03-22T04:25Z","end_local":"06:25","hours":10.58,"label":"unusable","mean_quality":0.0,"start":"2025-03-21T17:50Z","start_local":"19:50"}]},{"best_window":{"end":"2025-03-21T19:20Z","end_local":"21:20","hours":1.17,"label":"good","mean_quality":0.76,"start":"2025-03-21T18:10Z","start_local":"20:10"},"dec":-5.3876,"moon_separation":146.0,"name":"M42","quality_hours":1.44,"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":30,"score_astronomy":30,"score_weather":100,"transit":{"airmass":1.47,"alt":42.9,"az":180.0,"t":"2025-03-21T16:00Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2025-03-21T17:05Z","end_local":"19:05","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2025-03-21T16:30Z","start_local":"18:30"},{"end":"2025-03-21T17:35Z","end_local":"19:35","hours":0.5,"label":"poor","mean_quality":0.13,"start":"2025-03-21T17:05Z","start_local":"19:05"},{"end":"2025-03-21T18:10Z","end_local":"20:10","hours":0.58,"label":"marginal","mean_quality":0.42,"start":"2025-03-21T17:35Z","start_local":"19:35"},{"end":"2025-03-21T19:20Z","end_local":"21:20","hours":1.17,"label":"good","mean_quality":0.76,"start":"2025-03-21T18:10Z","start_local":"20:10"},{"end":"2025-03-21T19:50Z","end_local":"21:50","hours":0.5,"label":"marginal","mean_quality":0.5,"start":"2025-03-21T19:20Z","start_local":"21:20"},{"end":"2025-03-22T04:25Z","end_local":"06:25","hours":8.58,"label":"unusable","mean_quality":0.0,"start":"2025-03-21T19:50Z","start_local":"21:50"}]},{"best_window":{"end":"2025-03-21T19:20Z","end_local":"21:20","hours":1.17,"label":"good","mean_quality":0.79,"start":"2025-03-21T18:10Z","start_local":"20:10"},"dec":24.11388889,"moon_separation":154.5,"name":"M45","quality_hours":1.5,"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":32,"score_astronomy":32,"score_weather":100,"transit":{"airmass":1.05,"alt":72.5,"az":178.8,"t":"2025-03-21T14:10Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2025-03-21T17:05Z","end_local":"19:05","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2025-03-21T16:30Z","start_local":"18:30"},{"end":"2025-03-21T17:35Z","end_local":"19:35","hours":0.5,"label":"poor","mean_quality":0.14,"start":"2025-03-21T17:05Z","start_local":"19:05"},{"end":"2025-03-21T18:10Z","end_local":"20:10","hours":0.58,"label":"marginal","mean_quality":0.44,"start":"2025-03-21T17:35Z","start_local":"19:35"},{"end":"2025-03-21T19:20Z","end_local":"21:20","hours":1.17,"label":"good","mean_quality":0.79,"start":"2025-03-21T18:10Z","start_local":"20:10"},{"end":"2025-03-21T19:50Z","end_local":"21:50","hours":0.5,"label":"marginal","mean_quality":0.51,"start":"2025-03-21T19:20Z","start_local":"21:20"},{"end":"2025-03-22T04:25Z","end_local":"06:25","hours":8.58,"label":"unusable","mean_quality":0.0,"start":"2025-03-21T19:50Z","start_local":"21:50"}]},{"best_window":{"end":"2025-03-22T02:50Z","end_local":"04:50","hours":0.83,"label":"marginal","mean_quality":0.44,"start":"2025-03-22T02:00Z","start_local":"04:00"},"dec":44.33,"moon_separation":86.1,"name":"NGC 7000","quality_hours":0.86,"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":16,"score_astronomy":33,"score_weather":49,"transit":{"airmass":1.0,"alt":87.3,"az":1.9,"t":"2025-03-22T07:20Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2025-03-22T00:30Z","end_local":"02:30","hours":8.0,"label":"unusable","mean_quality":0.0,"start":"2025-03-21T16:30Z","start_local":"18:30"},{"end":"2025-03-22T00:55Z","end_local":"02:55","hours":0.42,"label":"poor","mean_quality":0.26,"start":"2025-03-22T00:30Z","start_local":"02:30"},{"end":"2025-03-22T01:00Z","end_local":"03:00","hours":0.08,"label":"marginal","mean_quality":0.31,"start":"2025-03-22T00:55Z","start_local":"02:55"},{"end":"2025-03-22T02:00Z","end_local":"04:00","hours":1.0,"label":"poor","mean_quality":0.15,"start":"2025-03-22T01:00Z","start_local":"03:00"},{"end":"2025-03-22T02:50Z","end_local":"04:50","hours":0.83,"label":"marginal","mean_quality":0.44,"start":"2025-03-22T02:00Z","start_local":"04:00"},{"end":"2025-03-22T03:15Z","end_local":"05:15","hours":0.42,"label":"poor","mean_quality":0.27,"start":"2025-03-22T02:50Z","start_local":"04:50"},{"end":"2025-03-22T03:25Z","end_local":"05:25","hours":0.17,"label":"marginal","mean_quality":0.3,"start":"2025-03-22T03:15Z","start_local":"05:15"},{"end":"2025-03-22T03:55Z","end_local":"05:55","hours":0.5,"label":"poor","mean_quality":0.09,"start":"2025-03-22T03:25Z","start_local":"05:25"},{"end":"2025-03-22T04:25Z","end_local":"06:25","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2025-03-22T03:55Z","start_local":"05:55"}]},{"best_window":{"end":"2025-03-22T02:50Z","end_local":"04:50","hours":0.83,"label":"marginal","mean_quality":0.44,"start":"2025-03-22T02:00Z","start_local":"04:00"},"dec":44.25788576,"moon_separation":86.0,"name":"V1057 Cyg","quality_hours":0.86,"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":16,"score_astronomy":32,"score_weather":49,"transit":{"airmass":1.0,"alt":87.3,"az":2.4,"t":"2025-03-22T07:20Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2025-03-22T00:30Z","end_local":"02:30","hours":8.0,"label":"unusable","mean_quality":0.0,"start":"2025-03-21T16:30Z","start_local":"18:30"},{"end":"2025-03-22T00:55Z","end_local":"02:55","hours":0.42,"label":"poor","mean_quality":0.26,"start":"2025-03-22T00:30Z","start_local":"02:30"},{"end":"2025-03-22T01:00Z","end_local":"03:00","hours":0.08,"label":"marginal","mean_quality":0.31,"start":"2025-03-22T00:55Z","start_local":"02:55"},{"end":"2025-03-22T02:00Z","end_local":"04:00","hours":1.0,"label":"poor","mean_quality":0.15,"start":"2025-03-22T01:00Z","start_local":"03:00"},{"end":"2025-03-22T02:50Z","end_local":"04:50","hours":0.83,"label":"marginal","mean_quality":0.44,"start":"2025-03-22T02:00Z","start_local":"04:00"},{"end":"2025-03-22T03:15Z","end_local":"05:15","hours":0.42,"label":"poor","mean_quality":0.27,"start":"2025-03-22T02:50Z","start_local":"04:50"},{"end":"2025-03-22T03:25Z","end_local":"05:25","hours":0.17,"label":"marginal","mean_quality":0.3,"start":"2025-03-22T03:15Z","start_local":"05:15"},{"end":"2025-03-22T03:55Z","end_local":"05:55","hours":0.5,"label":"poor","mean_quality":0.09,"start":"2025-03-22T03:25Z","start_local":"05:25"},{"end":"2025-03-22T04:25Z","end_local":"06:25","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2025-03-22T03:55Z","start_local":"05:55"}]},{"best_window":null,"dec":30.66017511,"moon_separation":127.4,"name":"M33","quality_hours":0.15,"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":1,"score_astronomy":1,"score_weather":100,"transit":{"airmass":1.02,"alt":79.1,"az":180.8,"t":"2025-03-21T12:00Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2025-03-21T17:05Z","end_local":"19:05","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2025-03-21T16:30Z","start_local":"18:30"},{"end":"2025-03-21T18:00Z","end_local":"20:00","hours":0.92,"label":"poor","mean_quality":0.17,"start":"2025-03-21T17:05Z","start_local":"19:05"},{"end":"2025-03-22T04:25Z","end_local":"06:25","hours":10.42,"label":"unusable","mean_quality":0.0,"start":"2025-03-21T18:00Z","start_local":"20:00"}]}],"unscheduled":[{"name":"M31","why":"no usable window tonight"},{"name":"M33","why":"no usable window tonight"}],"warnings":[]}
