Up to ten targets, one night: each gets its good/marginal/poor windows (darkness × altitude × Moon × clouds, as on the single-target page), then the night is handed out five minutes at a time to whichever target is best — with hysteresis, so you get a few solid blocks of at least 30 minutes, not a flicker. Targets that never win a block are listed with the reason.
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Night of Sunday, 19 January 2031 · astronomical night 18:57 → 06:05 (11.14 h) · Moon 15% (waning crescent) · weather: none — the schedule is astronomy only; overall conditions unknown
Each row is the target's quality through the night, white → amber → green for 0 → 0.3 → 0.6 → 1 (the same thresholds as poor / marginal / good). Dark blue: the schedule. Grey columns: twilight. Download: schedule CSV · targets CSV · JSON
| local | target | hours | mean quality |
|---|---|---|---|
| 17:15–18:25 | — nothing worth pointing at — | 1.17 | |
| 18:25–19:40 | M31 | 1.25 | 0.77 |
| 19:40–20:10 | NGC 7000 | 0.5 | 0.55 |
| 20:10–21:25 | M33 | 1.25 | 0.97 |
| 21:25–22:40 | M45 | 1.25 | 0.99 |
| 22:40–01:50 | M42 | 3.17 | 0.77 |
| 01:50–07:45 | — nothing worth pointing at — | 5.92 |
| target | astronomy | overall | best window | highest | Moon sep. | scheduled h |
|---|---|---|---|---|---|---|
| M31 Andromeda Galaxy | 100 | unknown | 19:00–23:20 (good) | 89.7° at 17:10 | 124.6° | 1.25 |
| M42 Great Orion Nebula | 89 | unknown | 19:00–01:20 (good) | 42.9° at 22:00 | 150.9° | 3.17 |
| M45 Seven Sisters | 100 | unknown | 19:00–01:25 (good) | 72.5° at 20:15 | 164.7° | 1.25 |
| NGC 7000 North America Nebula | 25 | unknown | 19:00–19:45 (good) | 87.2° at 13:25 | 86.7° | 0.5 |
| V1057 Cyg | 25 | unknown | 19:00–19:45 (good) | 87.3° at 13:25 | 86.7° | 0.0 |
| M33 Triangulum Pinwheel | 100 | unknown | 19:00–23:35 (good) | 79.1° at 18:00 | 135.0° | 1.25 |
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2031-01-19"targets: names or RA Dec, separated by commas, semicolons or newlines, at most ten. The response carries targets[] (score, verdict, best_window, windows, transit, moon_separation), schedule[] (blocks with target, start/end in UTC and local, hours, mean_quality; target: null is idle time), unscheduled[] with a why, forecast_source, warnings[]. Missing targets → 400 {"error", "code": "targets_missing"}; an unreadable date → 400 {"error", "code": "invalid_date"}.