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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 Thursday, 31 December 2026 · astronomical night 18:40 → 06:08 (11.46 h) · Moon 38% (waning crescent) · weather: none — the schedule is astronomy only; overall conditions unknown

VegaVega 17:35–18:10: quality 0.1Vega 18:10–18:35: quality 0.3Vega 18:35–18:45: quality 0.2Vega 18:45–18:50: quality 0.4Vega 05:50–06:05: quality 0.4Vega 06:05–06:10: quality 0.5Vega 06:10–06:15: quality 0.2Vega 06:15–06:45: quality 0.3Vega 06:45–07:20: quality 0.1observe Vega 18:10–18:20observe Vega 18:45–18:50observe Vega 05:50–06:10observe Vega 06:35–06:45schedule18:0020:0022:0000:0002:0004:0006:00

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
17:00–18:10 — nothing worth pointing at — 1.17
18:10–18:20 Vega 0.17 0.31
18:20–18:45 — nothing worth pointing at — 0.42
18:45–18:50 Vega 0.08 0.42
18:50–05:50 — nothing worth pointing at — 11.0
05:50–06:10 Vega 0.33 0.42
06:10–06:35 — nothing worth pointing at — 0.42
06:35–06:45 Vega 0.17 0.32
06:45–07:50 — nothing worth pointing at — 1.08

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
Vega Vega 7 unknown 05:50–06:10 (marginal) 87.1° at 12:20 90.1° 0.75
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2026-12-31"

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"}.