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Rozhen Night Plan

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 Friday, 28 August 2026 · astronomical night 21:40 → 05:04 (7.39 h) · Moon 99% (full moon) · weather: ERA5 history

VegaVega 20:30–21:05: quality 0.1Vega 21:05–21:45: quality 0.3Vega 21:45–22:00: quality 0.7Vega 22:00–01:05: quality 0.6Vega 01:05–03:00: quality 0.5Vega 03:00–03:30: quality 0.4Vega 03:30–03:55: quality 0.3Vega 03:55–04:00: quality 0.2observe Vega 21:05–03:40scheduleVega22:0000:0002:0004:0006:00

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

Schedule

localtargethoursmean quality
20:00–21:05 — nothing worth pointing at — 1.08
21:05–03:40 Vega 6.58 0.52
03:40–06:45 — nothing worth pointing at — 3.08

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
Vega Vega 65 62 21:45–22:40 (good) 87.1° at 21:30 74.8° 6.58

💡 API
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2026-08-28"

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"}.