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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 Tuesday, 06 October 2026 · astronomical night 20:26 → 05:51 (9.42 h) · Moon 16% (waning crescent) · weather: forecast

HD 189733HD 189733 18:50–20:00: unusableHD 189733 20:00–20:30: marginalHD 189733 20:30–01:30: goodHD 189733 01:30–01:55: marginalHD 189733 01:55–07:25: unusableobserve HD 189733 20:00–01:55scheduleHD 18973320:0022:0000:0002:0004:0006:00

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

Schedule

localtargethoursmean quality
18:50–20:00 — nothing worth pointing at — 1.17
20:00–01:55 HD 189733 5.92 0.84
01:55–07:25 — nothing worth pointing at — 5.5

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
HD 189733 100 97 20:30–01:30 (good) 71.1° at 20:20 134.5° 5.92

💡 API
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2026-10-06"

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"}.