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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 Tuesday, 24 November 2026 · astronomical night 18:32 → 05:43 (11.19 h) · Moon 100% (full moon) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:25–18:00: quality 0.1M31 18:00–18:35: quality 0.3M31 18:35–20:10: quality 0.5M31 20:10–22:45: quality 0.4M31 22:45–02:45: quality 0.3M31 02:45–03:30: quality 0.2observe M31 21:55–23:10observe M31 23:45–00:50M42M42 21:55–22:10: quality 0.1M42 22:10–01:50: quality 0.2M42 01:50–05:00: quality 0.3M42 05:00–05:30: quality 0.2observe M42 04:05–04:35M45M45 18:20–18:35: quality 0.1M45 18:35–18:40: quality 0.2M45 18:40–22:30: quality 0.3M45 22:30–03:00: quality 0.2M45 03:00–04:55: quality 0.3M45 04:55–05:30: quality 0.2observe M45 20:30–20:40NGC 7000NGC 7000 17:25–18:00: quality 0.1NGC 7000 18:00–18:35: quality 0.4NGC 7000 18:35–20:15: quality 0.7NGC 7000 20:15–21:40: quality 0.6NGC 7000 21:40–23:00: quality 0.5NGC 7000 23:00–23:30: quality 0.4NGC 7000 23:30–00:00: quality 0.3observe NGC 7000 18:00–19:15observe NGC 7000 23:10–23:45V1057 CygV1057 Cyg 17:25–18:00: quality 0.1V1057 Cyg 18:00–18:35: quality 0.4V1057 Cyg 18:35–20:15: quality 0.7V1057 Cyg 20:15–21:40: quality 0.6V1057 Cyg 21:40–23:00: quality 0.5V1057 Cyg 23:00–23:30: quality 0.4V1057 Cyg 23:30–00:00: quality 0.3observe V1057 Cyg 19:15–20:30M33M33 17:25–18:00: quality 0.1M33 18:00–18:35: quality 0.2M33 18:35–19:00: quality 0.5M33 19:00–21:00: quality 0.4M33 21:00–00:25: quality 0.3M33 00:25–03:35: quality 0.2M33 03:35–03:40: quality 0.1observe M33 20:40–21:55scheduleNGC 7000V1057 CygM33M31M3118:0020:0022:0000:0002:0004:0006:00

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
16:50–18:00 — nothing worth pointing at — 1.17
18:00–19:15 NGC 7000 1.25 0.55
19:15–20:30 V1057 Cyg 1.25 0.67
20:30–20:40 M45 0.17 0.3
20:40–21:55 M33 1.25 0.33
21:55–23:10 M31 1.25 0.36
23:10–23:45 NGC 7000 0.58 0.36
23:45–00:50 M31 1.08 0.31
00:50–04:05 — nothing worth pointing at — 3.25
04:05–04:35 M42 0.5 0.3
04:35–07:25 — nothing worth pointing at — 2.83

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 46 unknown 18:35–00:50 (marginal) 89.7° at 20:50 46.1° 2.33
M42 Great Orion Nebula 14 unknown 04:05–04:35 (marginal) 42.9° at 01:40 37.0° 0.5
M45 Seven Sisters 24 unknown 19:00–20:40 (marginal) 72.5° at 23:55 7.1° 0.17
NGC 7000 North America Nebula 60 unknown 18:35–20:55 (good) 87.2° at 17:05 84.5° 1.83
V1057 Cyg 60 unknown 18:35–20:55 (good) 87.3° at 17:05 84.5° 1.25
M33 Triangulum Pinwheel 33 unknown 18:35–22:05 (marginal) 79.1° at 21:40 35.8° 1.25
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2026-11-24"

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"}.