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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.

Try: an autumn deep-sky night  ·  ← previous night · next night →

Night of Saturday, 03 October 2026 · astronomical night 20:31 → 05:48 (9.28 h) · Moon 46% (waning crescent) · weather: ERA5 history

M33M33 18:55–20:10: unusableM33 20:10–20:35: poorM33 20:35–20:40: marginalM33 20:40–05:50: goodM33 05:50–06:25: marginalM33 06:25–06:55: poorM33 06:55–07:25: unusableobserve M33 20:35–06:25scheduleM3320:0022:0000:0002:0004:0006:00

Faded bands: each target's own windows (green good, amber marginal, pink poor). Dark blue: the schedule. Grey columns: twilight.

Schedule

localtargethoursmean quality
18:55–20:35 — nothing worth pointing at — 1.67
20:35–06:25 M33 9.83 0.8
06:25–07:25 — nothing worth pointing at — 1.0

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M33 Triangulum Pinwheel 100 99 20:40–05:50 (good) 79.1° at 02:05 72.1° 9.83

💡 API
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2026-10-03"

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"}.