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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 Thursday, 29 October 2026 · astronomical night 18:53 → 05:16 (10.39 h) · Moon 81% (waning gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:15–17:50: unusableM31 17:50–18:25: poorM31 18:25–18:55: marginalM31 18:55–00:20: goodM31 00:20–04:50: marginalM31 04:50–05:15: poorM31 05:15–06:55: unusableobserve M31 22:05–23:55M42M42 17:15–23:40: unusableM42 23:40–00:20: poorM42 00:20–05:20: marginalM42 05:20–06:25: poorM42 06:25–06:55: unusableobserve M42 03:35–05:20M45M45 17:15–20:05: unusableM45 20:05–20:10: poorM45 20:10–05:20: marginalM45 05:20–06:25: poorM45 06:25–06:55: unusableobserve M45 01:45–03:35NGC 7000NGC 7000 17:15–17:50: unusableNGC 7000 17:50–18:25: poorNGC 7000 18:25–18:55: marginalNGC 7000 18:55–00:40: goodNGC 7000 00:40–01:45: marginalNGC 7000 01:45–06:55: unusableobserve NGC 7000 18:25–20:15V1057 CygV1057 Cyg 17:15–17:50: unusableV1057 Cyg 17:50–18:25: poorV1057 Cyg 18:25–18:55: marginalV1057 Cyg 18:55–00:35: goodV1057 Cyg 00:35–01:45: marginalV1057 Cyg 01:45–06:55: unusableobserve V1057 Cyg 20:15–22:05M33M33 17:15–17:50: unusableM33 17:50–18:25: poorM33 18:25–18:55: marginalM33 18:55–23:20: goodM33 23:20–04:55: marginalM33 04:55–05:25: poorM33 05:25–06:55: unusableobserve M33 23:55–01:45scheduleNGC 7000V1057 CygM31M33M45M4218:0020:0022:0000:0002:0004:0006:00

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

Schedule

localtargethoursmean quality
17:15–18:25 — nothing worth pointing at — 1.17
18:25–20:15 NGC 7000 1.83 0.82
20:15–22:05 V1057 Cyg 1.83 0.83
22:05–23:55 M31 1.83 0.65
23:55–01:45 M33 1.83 0.55
01:45–03:35 M45 1.83 0.37
03:35–05:20 M42 1.75 0.33
05:20–06:55 — nothing worth pointing at — 1.58

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 98 unknown 18:55–00:20 (good) 89.5° at 22:35 62.5° 1.83
M42 Great Orion Nebula 17 unknown 00:20–05:20 (marginal) 42.9° at 03:25 33.3° 1.75
M45 Seven Sisters 48 unknown 20:10–05:20 (marginal) 72.5° at 01:35 27.7° 1.83
NGC 7000 North America Nebula 100 unknown 18:55–00:40 (good) 87.2° at 18:50 95.9° 1.83
V1057 Cyg 100 unknown 18:55–00:35 (good) 87.3° at 18:50 95.9° 1.83
M33 Triangulum Pinwheel 89 unknown 18:55–23:20 (good) 79.1° at 23:25 55.0° 1.83
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2026-10-29"

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"}.