{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2027-02-01","schedule":[{"end":"2027-02-01T16:40Z","end_local":"18:40","hours":1.08,"mean_quality":0.0,"start":"2027-02-01T15:35Z","start_local":"17:35","target":null},{"end":"2027-02-01T17:50Z","end_local":"19:50","hours":1.17,"mean_quality":0.73,"start":"2027-02-01T16:40Z","start_local":"18:40","target":"M31"},{"end":"2027-02-01T19:00Z","end_local":"21:00","hours":1.17,"mean_quality":0.93,"start":"2027-02-01T17:50Z","start_local":"19:50","target":"M33"},{"end":"2027-02-01T20:10Z","end_local":"22:10","hours":1.17,"mean_quality":0.98,"start":"2027-02-01T19:00Z","start_local":"21:00","target":"M45"},{"end":"2027-02-01T23:00Z","end_local":"01:00","hours":2.83,"mean_quality":0.75,"start":"2027-02-01T20:10Z","start_local":"22:10","target":"M42"},{"end":"2027-02-02T03:40Z","end_local":"05:40","hours":4.67,"mean_quality":0.0,"start":"2027-02-01T23:00Z","start_local":"01:00","target":null},{"end":"2027-02-02T04:00Z","end_local":"06:00","hours":0.33,"mean_quality":0.43,"start":"2027-02-02T03:40Z","start_local":"05:40","target":"NGC 7000"},{"end":"2027-02-02T04:20Z","end_local":"06:20","hours":0.33,"mean_quality":0.0,"start":"2027-02-02T04:00Z","start_local":"06:00","target":null},{"end":"2027-02-02T04:30Z","end_local":"06:30","hours":0.17,"mean_quality":0.31,"start":"2027-02-02T04:20Z","start_local":"06:20","target":"NGC 7000"},{"end":"2027-02-02T05:35Z","end_local":"07:35","hours":1.08,"mean_quality":0.0,"start":"2027-02-02T04:30Z","start_local":"06:30","target":null}],"targets":[{"best_window":{"end":"2027-02-01T20:30Z","end_local":"22:30","hours":3.25,"label":"good","mean_quality":0.86,"start":"2027-02-01T17:15Z","start_local":"19:15"},"dec":41.26875,"moon_separation":122.4,"name":"M31","quality_hours":3.4,"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":83,"score_weather":null,"transit":{"airmass":1.0,"alt":89.7,"az":214.0,"t":"2027-02-01T14:20Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2027-02-01T16:10Z","end_local":"18:10","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2027-02-01T15:35Z","start_local":"17:35"},{"end":"2027-02-01T16:40Z","end_local":"18:40","hours":0.5,"label":"poor","mean_quality":0.15,"start":"2027-02-01T16:10Z","start_local":"18:10"},{"end":"2027-02-01T17:15Z","end_local":"19:15","hours":0.58,"label":"marginal","mean_quality":0.5,"start":"2027-02-01T16:40Z","start_local":"18:40"},{"end":"2027-02-01T20:30Z","end_local":"22:30","hours":3.25,"label":"good","mean_quality":0.86,"start":"2027-02-01T17:15Z","start_local":"19:15"},{"end":"2027-02-01T21:00Z","end_local":"23:00","hours":0.5,"label":"marginal","mean_quality":0.49,"start":"2027-02-01T20:30Z","start_local":"22:30"},{"end":"2027-02-02T05:35Z","end_local":"07:35","hours":8.58,"label":"unusable","mean_quality":0.0,"start":"2027-02-01T21:00Z","start_local":"23:00"}]},{"best_window":{"end":"2027-02-01T22:30Z","end_local":"00:30","hours":5.25,"label":"good","mean_quality":0.84,"start":"2027-02-01T17:15Z","start_local":"19:15"},"dec":-5.3876,"moon_separation":146.8,"name":"M42","quality_hours":4.98,"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":179.8,"t":"2027-02-01T19:10Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2027-02-01T16:10Z","end_local":"18:10","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2027-02-01T15:35Z","start_local":"17:35"},{"end":"2027-02-01T16:40Z","end_local":"18:40","hours":0.5,"label":"poor","mean_quality":0.11,"start":"2027-02-01T16:10Z","start_local":"18:10"},{"end":"2027-02-01T17:15Z","end_local":"19:15","hours":0.58,"label":"marginal","mean_quality":0.41,"start":"2027-02-01T16:40Z","start_local":"18:40"},{"end":"2027-02-01T22:30Z","end_local":"00:30","hours":5.25,"label":"good","mean_quality":0.84,"start":"2027-02-01T17:15Z","start_local":"19:15"},{"end":"2027-02-01T23:00Z","end_local":"01:00","hours":0.5,"label":"marginal","mean_quality":0.5,"start":"2027-02-01T22:30Z","start_local":"00:30"},{"end":"2027-02-02T05:35Z","end_local":"07:35","hours":6.58,"label":"unusable","mean_quality":0.0,"start":"2027-02-01T23:00Z","start_local":"01:00"}]},{"best_window":{"end":"2027-02-01T22:35Z","end_local":"00:35","hours":5.33,"label":"good","mean_quality":0.92,"start":"2027-02-01T17:15Z","start_local":"19:15"},"dec":24.11388889,"moon_separation":158.2,"name":"M45","quality_hours":5.49,"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":178.3,"t":"2027-02-01T17:20Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2027-02-01T16:10Z","end_local":"18:10","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2027-02-01T15:35Z","start_local":"17:35"},{"end":"2027-02-01T16:40Z","end_local":"18:40","hours":0.5,"label":"poor","mean_quality":0.15,"start":"2027-02-01T16:10Z","start_local":"18:10"},{"end":"2027-02-01T17:15Z","end_local":"19:15","hours":0.58,"label":"marginal","mean_quality":0.5,"start":"2027-02-01T16:40Z","start_local":"18:40"},{"end":"2027-02-01T22:35Z","end_local":"00:35","hours":5.33,"label":"good","mean_quality":0.92,"start":"2027-02-01T17:15Z","start_local":"19:15"},{"end":"2027-02-01T23:00Z","end_local":"01:00","hours":0.42,"label":"marginal","mean_quality":0.49,"start":"2027-02-01T22:35Z","start_local":"00:35"},{"end":"2027-02-02T05:35Z","end_local":"07:35","hours":6.58,"label":"unusable","mean_quality":0.0,"start":"2027-02-01T23:00Z","start_local":"01:00"}]},{"best_window":{"end":"2027-02-02T04:00Z","end_local":"06:00","hours":0.33,"label":"marginal","mean_quality":0.43,"start":"2027-02-02T03:40Z","start_local":"05:40"},"dec":44.33,"moon_separation":87.3,"name":"NGC 7000","quality_hours":0.69,"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":8,"score_weather":null,"transit":{"airmass":1.0,"alt":87.3,"az":0.6,"t":"2027-02-01T10:35Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2027-02-01T16:10Z","end_local":"18:10","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2027-02-01T15:35Z","start_local":"17:35"},{"end":"2027-02-01T16:40Z","end_local":"18:40","hours":0.5,"label":"poor","mean_quality":0.12,"start":"2027-02-01T16:10Z","start_local":"18:10"},{"end":"2027-02-01T16:55Z","end_local":"18:55","hours":0.25,"label":"marginal","mean_quality":0.32,"start":"2027-02-01T16:40Z","start_local":"18:40"},{"end":"2027-02-01T17:15Z","end_local":"19:15","hours":0.33,"label":"poor","mean_quality":0.27,"start":"2027-02-01T16:55Z","start_local":"18:55"},{"end":"2027-02-01T17:30Z","end_local":"19:30","hours":0.25,"label":"marginal","mean_quality":0.44,"start":"2027-02-01T17:15Z","start_local":"19:15"},{"end":"2027-02-02T03:40Z","end_local":"05:40","hours":10.17,"label":"unusable","mean_quality":0.0,"start":"2027-02-01T17:30Z","start_local":"19:30"},{"end":"2027-02-02T04:00Z","end_local":"06:00","hours":0.33,"label":"marginal","mean_quality":0.43,"start":"2027-02-02T03:40Z","start_local":"05:40"},{"end":"2027-02-02T04:20Z","end_local":"06:20","hours":0.33,"label":"poor","mean_quality":0.27,"start":"2027-02-02T04:00Z","start_local":"06:00"},{"end":"2027-02-02T04:30Z","end_local":"06:30","hours":0.17,"label":"marginal","mean_quality":0.31,"start":"2027-02-02T04:20Z","start_local":"06:20"},{"end":"2027-02-02T05:05Z","end_local":"07:05","hours":0.58,"label":"poor","mean_quality":0.11,"start":"2027-02-02T04:30Z","start_local":"06:30"},{"end":"2027-02-02T05:35Z","end_local":"07:35","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2027-02-02T05:05Z","start_local":"07:05"}]},{"best_window":{"end":"2027-02-02T04:00Z","end_local":"06:00","hours":0.33,"label":"marginal","mean_quality":0.43,"start":"2027-02-02T03:40Z","start_local":"05:40"},"dec":44.25788576,"moon_separation":87.3,"name":"V1057 Cyg","quality_hours":0.69,"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":8,"score_weather":null,"transit":{"airmass":1.0,"alt":87.3,"az":1.0,"t":"2027-02-01T10:35Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2027-02-01T16:10Z","end_local":"18:10","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2027-02-01T15:35Z","start_local":"17:35"},{"end":"2027-02-01T16:40Z","end_local":"18:40","hours":0.5,"label":"poor","mean_quality":0.12,"start":"2027-02-01T16:10Z","start_local":"18:10"},{"end":"2027-02-01T16:55Z","end_local":"18:55","hours":0.25,"label":"marginal","mean_quality":0.32,"start":"2027-02-01T16:40Z","start_local":"18:40"},{"end":"2027-02-01T17:15Z","end_local":"19:15","hours":0.33,"label":"poor","mean_quality":0.27,"start":"2027-02-01T16:55Z","start_local":"18:55"},{"end":"2027-02-01T17:30Z","end_local":"19:30","hours":0.25,"label":"marginal","mean_quality":0.44,"start":"2027-02-01T17:15Z","start_local":"19:15"},{"end":"2027-02-02T03:40Z","end_local":"05:40","hours":10.17,"label":"unusable","mean_quality":0.0,"start":"2027-02-01T17:30Z","start_local":"19:30"},{"end":"2027-02-02T04:00Z","end_local":"06:00","hours":0.33,"label":"marginal","mean_quality":0.43,"start":"2027-02-02T03:40Z","start_local":"05:40"},{"end":"2027-02-02T04:20Z","end_local":"06:20","hours":0.33,"label":"poor","mean_quality":0.27,"start":"2027-02-02T04:00Z","start_local":"06:00"},{"end":"2027-02-02T04:30Z","end_local":"06:30","hours":0.17,"label":"marginal","mean_quality":0.31,"start":"2027-02-02T04:20Z","start_local":"06:20"},{"end":"2027-02-02T05:05Z","end_local":"07:05","hours":0.58,"label":"poor","mean_quality":0.11,"start":"2027-02-02T04:30Z","start_local":"06:30"},{"end":"2027-02-02T05:35Z","end_local":"07:35","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2027-02-02T05:05Z","start_local":"07:05"}]},{"best_window":{"end":"2027-02-01T20:40Z","end_local":"22:40","hours":3.42,"label":"good","mean_quality":0.88,"start":"2027-02-01T17:15Z","start_local":"19:15"},"dec":30.66017511,"moon_separation":130.6,"name":"M33","quality_hours":3.64,"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":91,"score_weather":null,"transit":{"airmass":1.02,"alt":79.1,"az":180.0,"t":"2027-02-01T15:10Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2027-02-01T16:10Z","end_local":"18:10","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2027-02-01T15:35Z","start_local":"17:35"},{"end":"2027-02-01T16:40Z","end_local":"18:40","hours":0.5,"label":"poor","mean_quality":0.15,"start":"2027-02-01T16:10Z","start_local":"18:10"},{"end":"2027-02-01T17:15Z","end_local":"19:15","hours":0.58,"label":"marginal","mean_quality":0.5,"start":"2027-02-01T16:40Z","start_local":"18:40"},{"end":"2027-02-01T20:40Z","end_local":"22:40","hours":3.42,"label":"good","mean_quality":0.88,"start":"2027-02-01T17:15Z","start_local":"19:15"},{"end":"2027-02-01T21:10Z","end_local":"23:10","hours":0.5,"label":"marginal","mean_quality":0.51,"start":"2027-02-01T20:40Z","start_local":"22:40"},{"end":"2027-02-02T05:35Z","end_local":"07:35","hours":8.42,"label":"unusable","mean_quality":0.0,"start":"2027-02-01T21:10Z","start_local":"23:10"}]}],"unscheduled":[{"name":"V1057 Cyg","why":"its best window (05:40\u201306:00) is outranked by NGC 7000"}],"warnings":[]}
