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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 Friday, 13 November 2026 · astronomical night 18:38 → 05:32 (10.9 h) · Moon 19% (waxing crescent) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:00–17:35: unusableM31 17:35–18:10: poorM31 18:10–18:40: marginalM31 18:40–03:40: goodM31 03:40–04:15: marginalM31 04:15–07:10: unusableobserve M31 22:10–00:10M42M42 17:00–22:40: unusableM42 22:40–23:10: marginalM42 23:10–05:35: goodM42 05:35–05:45: marginalM42 05:45–06:15: poorM42 06:15–07:10: unusableobserve M42 04:10–05:45M45M45 17:00–19:05: unusableM45 19:05–19:30: marginalM45 19:30–05:35: goodM45 05:35–05:50: marginalM45 05:50–06:15: poorM45 06:15–07:10: unusableobserve M45 02:10–04:10observe M45 05:45–05:50NGC 7000NGC 7000 17:00–17:35: unusableNGC 7000 17:35–18:10: poorNGC 7000 18:10–18:40: marginalNGC 7000 18:40–00:10: goodNGC 7000 00:10–00:45: marginalNGC 7000 00:45–07:10: unusableobserve NGC 7000 18:10–20:10V1057 CygV1057 Cyg 17:00–17:35: unusableV1057 Cyg 17:35–18:10: poorV1057 Cyg 18:10–18:40: marginalV1057 Cyg 18:40–00:10: goodV1057 Cyg 00:10–00:45: marginalV1057 Cyg 00:45–07:10: unusableobserve V1057 Cyg 20:10–22:10M33M33 17:00–17:35: unusableM33 17:35–18:10: poorM33 18:10–18:40: marginalM33 18:40–03:55: goodM33 03:55–04:25: marginalM33 04:25–07:10: unusableobserve M33 00:10–02:10scheduleNGC 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
17:00–18:10 — nothing worth pointing at — 1.17
18:10–20:10 NGC 7000 2.0 0.84
20:10–22:10 V1057 Cyg 2.0 0.96
22:10–00:10 M31 2.0 1.0
00:10–02:10 M33 2.0 0.96
02:10–04:10 M45 2.0 0.96
04:10–05:45 M42 1.58 0.75
05:45–05:50 M45 0.08 0.3
05:50–07:10 — nothing worth pointing at — 1.33

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 100 unknown 18:40–03:40 (good) 89.6° at 21:35 104.6° 2.0
M42 Great Orion Nebula 89 unknown 23:10–05:35 (good) 42.9° at 02:25 142.8° 1.58
M45 Seven Sisters 100 unknown 19:30–05:35 (good) 72.5° at 00:35 137.2° 2.08
NGC 7000 North America Nebula 100 unknown 18:40–00:10 (good) 87.3° at 17:50 75.9° 2.0
V1057 Cyg 100 unknown 18:40–00:10 (good) 87.3° at 17:50 75.9° 2.0
M33 Triangulum Pinwheel 100 unknown 18:40–03:55 (good) 79.1° at 22:25 110.6° 2.0
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2026-11-13"

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"}.