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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 Monday, 30 November 2026 · astronomical night 18:30 → 05:49 (11.31 h) · Moon 54% (waning gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:25–17:50: quality 0.1M31 17:50–18:00: quality 0.2M31 18:00–18:35: quality 0.5M31 18:35–23:40: quality 1.0M31 23:40–00:40: quality 0.9M31 00:40–02:05: quality 0.8M31 02:05–02:20: quality 0.7M31 02:20–02:35: quality 0.6M31 02:35–02:55: quality 0.5M31 02:55–03:10: quality 0.4observe M31 21:50–23:45M42M42 21:35–21:40: quality 0.4M42 21:40–21:55: quality 0.5M42 21:55–22:10: quality 0.6M42 22:10–22:30: quality 0.7M42 22:30–23:40: quality 0.8M42 23:40–03:30: quality 0.7M42 03:30–04:20: quality 0.6M42 04:20–04:40: quality 0.5M42 04:40–05:00: quality 0.4M42 05:00–05:10: quality 0.3observe M42 03:35–05:10M45M45 17:55–18:00: quality 0.1M45 18:00–18:10: quality 0.2M45 18:10–18:35: quality 0.3M45 18:35–18:45: quality 0.7M45 18:45–19:30: quality 0.8M45 19:30–20:50: quality 0.9M45 20:50–23:40: quality 1.0M45 23:40–01:55: quality 0.9M45 01:55–03:10: quality 0.8M45 03:10–04:20: quality 0.7M45 04:20–04:35: quality 0.6M45 04:35–04:50: quality 0.5M45 04:50–05:05: quality 0.4M45 05:05–05:10: quality 0.3observe M45 01:40–03:35NGC 7000NGC 7000 17:25–18:00: quality 0.2NGC 7000 18:00–18:35: quality 0.5NGC 7000 18:35–20:15: quality 1.0NGC 7000 20:15–21:40: quality 0.9NGC 7000 21:40–22:40: quality 0.8NGC 7000 22:40–22:55: quality 0.7NGC 7000 22:55–23:10: quality 0.6NGC 7000 23:10–23:30: quality 0.5NGC 7000 23:30–23:40: quality 0.4observe NGC 7000 18:00–19:55V1057 CygV1057 Cyg 17:25–18:00: quality 0.2V1057 Cyg 18:00–18:35: quality 0.5V1057 Cyg 18:35–20:15: quality 1.0V1057 Cyg 20:15–21:40: quality 0.9V1057 Cyg 21:40–22:40: quality 0.8V1057 Cyg 22:40–22:55: quality 0.7V1057 Cyg 22:55–23:10: quality 0.6V1057 Cyg 23:10–23:30: quality 0.5V1057 Cyg 23:30–23:40: quality 0.4observe V1057 Cyg 19:55–21:50M33M33 17:25–18:00: quality 0.1M33 18:00–18:35: quality 0.5M33 18:35–23:45: quality 1.0M33 23:45–01:00: quality 0.9M33 01:00–02:20: quality 0.8M33 02:20–02:35: quality 0.7M33 02:35–02:50: quality 0.6M33 02:50–03:05: quality 0.5M33 03:05–03:20: quality 0.4observe M33 23:45–01:40scheduleNGC 7000V1057 CygM31M33M45M4218:0020:0022:0000:0002:0004:0006:00

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
18:00–19:55 NGC 7000 1.92 0.84
19:55–21:50 V1057 Cyg 1.92 0.91
21:50–23:45 M31 1.92 0.99
23:45–01:40 M33 1.92 0.87
01:40–03:35 M45 1.92 0.79
03:35–05:10 M42 1.58 0.51
05:10–07:30 — nothing worth pointing at — 2.33

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 100 unknown 18:35–02:30 (good) 89.6° at 20:25 120.5° 1.92
M42 Great Orion Nebula 85 unknown 22:05–04:10 (good) 42.9° at 01:20 73.4° 1.58
M45 Seven Sisters 100 unknown 18:35–04:25 (good) 72.5° at 23:30 94.9° 1.92
NGC 7000 North America Nebula 100 unknown 18:35–23:05 (good) 87.2° at 16:45 123.3° 1.92
V1057 Cyg 100 unknown 18:35–23:05 (good) 87.3° at 16:45 123.4° 1.92
M33 Triangulum Pinwheel 100 unknown 18:35–02:45 (good) 79.1° at 21:20 119.7° 1.92
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2026-11-30"

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"}.