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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 Friday, 23 October 2026 · astronomical night 20:00 → 06:10 (10.16 h) · Moon 94% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 18:25–19:00: unusableM31 19:00–20:05: poorM31 20:05–05:30: marginalM31 05:30–06:05: goodM31 06:05–06:15: marginalM31 06:15–06:40: poorM31 06:40–07:45: unusableobserve M31 01:35–03:25M42M42 18:25–01:05: unusableM42 01:05–01:10: poorM42 01:10–02:55: marginalM42 02:55–06:15: goodM42 06:15–06:45: marginalM42 06:45–07:15: poorM42 07:15–07:45: unusableobserve M42 03:25–05:15M45M45 18:25–21:25: unusableM45 21:25–21:50: poorM45 21:50–03:10: marginalM45 03:10–06:15: goodM45 06:15–06:45: marginalM45 06:45–07:15: poorM45 07:15–07:45: unusableobserve M45 23:45–01:35observe M45 06:20–06:45NGC 7000NGC 7000 18:25–19:00: unusableNGC 7000 19:00–20:05: poorNGC 7000 20:05–02:45: marginalNGC 7000 02:45–03:05: poorNGC 7000 03:05–07:45: unusableobserve NGC 7000 20:05–21:55V1057 CygV1057 Cyg 18:25–19:00: unusableV1057 Cyg 19:00–20:05: poorV1057 Cyg 20:05–02:45: marginalV1057 Cyg 02:45–03:05: poorV1057 Cyg 03:05–07:45: unusableobserve V1057 Cyg 21:55–23:45M33M33 18:25–19:00: unusableM33 19:00–20:05: poorM33 20:05–05:30: marginalM33 05:30–06:15: goodM33 06:15–06:20: marginalM33 06:20–06:50: poorM33 06:50–07:45: unusableobserve M33 05:15–06:20scheduleNGC 7000V1057 CygM45M31M42M3320:0022:0000:0002:0004:0006:00

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

Schedule

localtargethoursmean quality
18:25–20:05 — nothing worth pointing at — 1.67
20:05–21:55 NGC 7000 1.83 0.53
21:55–23:45 V1057 Cyg 1.83 0.5
23:45–01:35 M45 1.83 0.5
01:35–03:25 M31 1.83 0.47
03:25–05:15 M42 1.83 0.67
05:15–06:20 M33 1.08 0.67
06:20–06:45 M45 0.42 0.44
06:45–07:45 — nothing worth pointing at — 1.0

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 80 unknown 05:30–06:05 (good) 89.7° at 23:55 39.4° 1.83
M42 Great Orion Nebula 78 unknown 02:55–06:15 (good) 42.9° at 04:50 84.1° 1.83
M45 Seven Sisters 96 unknown 03:10–06:15 (good) 72.5° at 03:00 58.4° 2.25
NGC 7000 North America Nebula 49 unknown 20:05–02:45 (marginal) 87.2° at 20:10 57.4° 1.83
V1057 Cyg 49 unknown 20:05–02:45 (marginal) 87.3° at 20:10 57.3° 1.83
M33 Triangulum Pinwheel 82 unknown 05:30–06:15 (good) 79.1° at 00:45 35.4° 1.08
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2026-10-23"

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"}.