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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 Wednesday, 28 October 2026 · astronomical night 18:54 → 05:15 (10.35 h) · Moon 90% (waning gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:20–17:50: unusableM31 17:50–18:25: poorM31 18:25–18:55: marginalM31 18:55–20:55: goodM31 20:55–04:35: marginalM31 04:35–05:20: poorM31 05:20–06:50: unusableobserve M31 22:05–23:55observe M31 01:55–03:35observe M31 03:55–04:25M42M42 17:20–23:45: unusableM42 23:45–04:10: poorM42 04:10–05:20: marginalM42 05:20–06:25: poorM42 06:25–06:50: unusableobserve M42 04:25–05:20M45M45 17:20–20:05: unusableM45 20:05–20:30: poorM45 20:30–01:55: marginalM45 01:55–03:35: poorM45 03:35–03:55: marginalM45 03:55–04:45: poorM45 04:45–05:20: marginalM45 05:20–06:25: poorM45 06:25–06:50: unusableobserve M45 01:45–01:55observe M45 03:35–03:55NGC 7000NGC 7000 17:20–17:50: unusableNGC 7000 17:50–18:25: poorNGC 7000 18:25–18:55: marginalNGC 7000 18:55–23:35: goodNGC 7000 23:35–01:40: marginalNGC 7000 01:40–01:50: poorNGC 7000 01:50–06:50: unusableobserve NGC 7000 18:25–20:15V1057 CygV1057 Cyg 17:20–17:50: unusableV1057 Cyg 17:50–18:25: poorV1057 Cyg 18:25–18:55: marginalV1057 Cyg 18:55–23:35: goodV1057 Cyg 23:35–01:40: marginalV1057 Cyg 01:40–01:45: poorV1057 Cyg 01:45–06:50: unusableobserve V1057 Cyg 20:15–22:05M33M33 17:20–17:50: unusableM33 17:50–18:25: poorM33 18:25–18:45: marginalM33 18:45–18:55: poorM33 18:55–04:35: marginalM33 04:35–05:30: poorM33 05:30–06:50: unusableobserve M33 23:55–01:45scheduleNGC 7000V1057 CygM31M33M31M4218:0020:0022:0000:0002:0004:0006:00

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

Schedule

localtargethoursmean quality
17:20–18:25 — nothing worth pointing at — 1.08
18:25–20:15 NGC 7000 1.83 0.71
20:15–22:05 V1057 Cyg 1.83 0.75
22:05–23:55 M31 1.83 0.51
23:55–01:45 M33 1.83 0.39
01:45–01:55 M45 0.17 0.3
01:55–03:35 M31 1.67 0.38
03:35–03:55 M45 0.33 0.3
03:55–04:25 M31 0.5 0.35
04:25–05:20 M42 0.92 0.31
05:20–06:50 — nothing worth pointing at — 1.5

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 65 unknown 18:55–20:55 (good) 89.6° at 22:35 50.6° 4.0
M42 Great Orion Nebula 13 unknown 04:10–05:20 (marginal) 42.9° at 03:30 34.9° 0.92
M45 Seven Sisters 32 unknown 20:30–01:55 (marginal) 72.5° at 01:40 13.1° 0.5
NGC 7000 North America Nebula 82 unknown 18:55–23:35 (good) 87.2° at 18:55 87.7° 1.83
V1057 Cyg 82 unknown 18:55–23:35 (good) 87.3° at 18:55 87.8° 1.83
M33 Triangulum Pinwheel 56 unknown 18:55–04:35 (marginal) 79.1° at 23:25 41.2° 1.83
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2026-10-28"

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"}.