IT Consulting

← single target

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 Wednesday, 25 March 2026 · astronomical night 20:12 → 04:40 (8.46 h) · Moon 52% (first quarter) · weather: ERA5 history

M31M31 19:10–19:25: quality 0.1M42M42 19:10–19:40: quality 0.1M42 19:40–20:00: quality 0.3M42 20:00–20:15: quality 0.2M42 20:15–21:00: quality 0.4M42 21:00–21:15: quality 0.2M42 21:15–21:35: quality 0.1M45M45 19:10–19:40: quality 0.1M45 19:40–20:00: quality 0.3M45 20:00–20:15: quality 0.2M45 20:15–21:00: quality 0.4M45 21:00–21:20: quality 0.2M45 21:20–21:35: quality 0.1observe M45 20:15–21:00NGC 7000NGC 7000 02:15–02:30: quality 0.4NGC 7000 02:30–02:45: quality 0.5NGC 7000 02:45–03:00: quality 0.6NGC 7000 03:00–03:15: quality 0.7NGC 7000 03:15–04:00: quality 0.8NGC 7000 04:00–04:45: quality 0.5NGC 7000 04:45–04:55: quality 0.2NGC 7000 04:55–05:00: quality 0.3NGC 7000 05:00–05:15: quality 0.1observe NGC 7000 02:15–03:05V1057 CygV1057 Cyg 02:15–02:30: quality 0.4V1057 Cyg 02:30–02:45: quality 0.5V1057 Cyg 02:45–03:00: quality 0.6V1057 Cyg 03:00–03:20: quality 0.7V1057 Cyg 03:20–04:00: quality 0.8V1057 Cyg 04:00–04:45: quality 0.5V1057 Cyg 04:45–04:55: quality 0.2V1057 Cyg 04:55–05:00: quality 0.3V1057 Cyg 05:00–05:15: quality 0.1observe V1057 Cyg 03:05–04:45M33M33 19:10–19:35: quality 0.1M33 19:40–19:45: quality 0.1scheduleM45NGC 7000V1057 Cyg20:0022:0000:0002:0004:0006:00

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
18:35–20:15 — nothing worth pointing at — 1.67
20:15–21:00 M45 0.75 0.43
21:00–02:15 — nothing worth pointing at — 5.25
02:15–03:05 NGC 7000 0.83 0.52
03:05–04:45 V1057 Cyg 1.67 0.65
04:45–06:15 — nothing worth pointing at — 1.5

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 0 0 — 89.6° at 12:55 70.1° 0.0
M42 Great Orion Nebula 9 7 20:15–21:00 (marginal) 42.9° at 17:45 35.9° 0.0
M45 Seven Sisters 10 8 20:15–21:00 (marginal) 72.6° at 15:55 37.0° 0.75
NGC 7000 North America Nebula 47 36 02:55–04:00 (good) 87.3° at 09:05 100.3° 0.83
V1057 Cyg 47 36 02:55–04:00 (good) 87.3° at 09:05 100.4° 1.67
M33 Triangulum Pinwheel 0 0 — 79.1° at 13:45 63.7° 0.0

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2026-03-25"

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"}.