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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, 21 November 2034 · astronomical night 18:33 → 05:40 (11.12 h) · Moon 78% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:30–18:05: quality 0.1M31 18:05–18:35: quality 0.3M31 18:35–22:55: quality 0.5M31 22:55–02:40: quality 0.6M31 02:40–02:45: quality 0.8M31 02:45–03:05: quality 0.7M31 03:05–03:20: quality 0.6M31 03:20–03:35: quality 0.5M31 03:35–03:45: quality 0.4observe M31 02:05–03:20M42M42 22:10–22:25: quality 0.3M42 22:25–22:45: quality 0.4M42 22:45–23:05: quality 0.5M42 23:05–00:25: quality 0.6M42 00:25–02:40: quality 0.7M42 02:40–03:40: quality 0.9M42 03:40–04:50: quality 0.8M42 04:50–05:05: quality 0.7M42 05:05–05:20: quality 0.6M42 05:20–05:35: quality 0.5M42 05:35–05:45: quality 0.4observe M42 00:05–02:05M45M45 18:30–18:35: quality 0.1M45 18:35–19:00: quality 0.3M45 19:00–19:20: quality 0.4M45 19:20–21:20: quality 0.5M45 21:20–00:00: quality 0.6M45 00:00–02:40: quality 0.7M45 02:40–02:50: quality 1.0M45 02:50–04:10: quality 0.9M45 04:10–04:55: quality 0.8M45 04:55–05:10: quality 0.7M45 05:10–05:25: quality 0.6M45 05:25–05:35: quality 0.5M45 05:35–05:45: quality 0.4observe M45 22:05–00:05observe M45 03:55–05:45NGC 7000NGC 7000 17:30–18:05: quality 0.1NGC 7000 18:05–18:35: quality 0.3NGC 7000 18:35–21:40: quality 0.6NGC 7000 21:40–23:25: quality 0.5NGC 7000 23:25–23:50: quality 0.4NGC 7000 23:50–00:15: quality 0.3observe NGC 7000 18:05–20:05V1057 CygV1057 Cyg 17:30–18:05: quality 0.1V1057 Cyg 18:05–18:35: quality 0.3V1057 Cyg 18:35–21:40: quality 0.6V1057 Cyg 21:40–23:25: quality 0.5V1057 Cyg 23:25–23:50: quality 0.4V1057 Cyg 23:50–00:15: quality 0.3observe V1057 Cyg 20:05–22:05M33M33 17:30–18:05: quality 0.1M33 18:05–18:35: quality 0.2M33 18:35–23:40: quality 0.5M33 23:40–02:40: quality 0.6M33 02:40–03:05: quality 0.8M33 03:05–03:20: quality 0.7M33 03:20–03:35: quality 0.6M33 03:35–03:45: quality 0.5M33 03:45–03:55: quality 0.4observe M33 03:20–03:55scheduleNGC 7000V1057 CygM45M42M31M4518:0020:0022:0000:0002:0004:0006:00

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
16:55–18:05 — nothing worth pointing at — 1.17
18:05–20:05 NGC 7000 2.0 0.54
20:05–22:05 V1057 Cyg 2.0 0.57
22:05–00:05 M45 2.0 0.62
00:05–02:05 M42 2.0 0.68
02:05–03:20 M31 1.25 0.63
03:20–03:55 M33 0.58 0.52
03:55–05:45 M45 1.83 0.71
05:45–07:20 — nothing worth pointing at — 1.58

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 78 unknown 02:40–03:10 (good) 89.5° at 21:00 41.2° 1.25
M42 Great Orion Nebula 88 unknown 23:30–05:15 (good) 42.9° at 01:55 79.9° 2.0
M45 Seven Sisters 96 unknown 22:15–05:15 (good) 72.5° at 00:05 56.1° 3.83
NGC 7000 North America Nebula 52 unknown 18:35–20:20 (good) 87.2° at 17:20 61.8° 2.0
V1057 Cyg 51 unknown 18:35–20:20 (good) 87.3° at 17:20 61.7° 2.0
M33 Triangulum Pinwheel 82 unknown 02:40–03:25 (good) 79.1° at 21:55 35.4° 0.58
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2034-11-21"

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"}.