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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 Sunday, 29 December 2047 · astronomical night 18:38 → 06:07 (11.48 h) · Moon 95% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:30–18:05: quality 0.1M31 18:05–18:30: quality 0.3M31 18:30–18:40: quality 0.2M31 18:40–19:45: quality 0.5M31 19:45–23:15: quality 0.4M31 23:15–00:50: quality 0.3M31 00:50–01:15: quality 0.2observe M31 20:25–21:35observe M31 23:30–00:25M42M42 19:40–19:50: quality 0.1M42 19:50–23:20: quality 0.2M42 23:20–02:45: quality 0.3M42 02:45–03:15: quality 0.2observe M42 01:55–02:15M45M45 17:30–18:05: quality 0.1M45 18:05–18:40: quality 0.2M45 18:40–02:45: quality 0.3M45 02:45–03:15: quality 0.2observe M45 02:15–02:20NGC 7000NGC 7000 17:30–18:05: quality 0.1NGC 7000 18:05–18:40: quality 0.3NGC 7000 18:40–20:15: quality 0.6NGC 7000 20:15–20:55: quality 0.5NGC 7000 20:55–21:20: quality 0.4NGC 7000 21:20–21:45: quality 0.3observe NGC 7000 19:15–20:25V1057 CygV1057 Cyg 17:30–18:05: quality 0.1V1057 Cyg 18:05–18:40: quality 0.3V1057 Cyg 18:40–18:45: quality 0.7V1057 Cyg 18:45–20:15: quality 0.6V1057 Cyg 20:15–20:55: quality 0.5V1057 Cyg 20:55–21:20: quality 0.4V1057 Cyg 21:20–21:45: quality 0.3observe V1057 Cyg 18:05–19:15M33M33 17:30–18:05: quality 0.1M33 18:05–18:40: quality 0.2M33 18:40–21:05: quality 0.4M33 21:05–00:50: quality 0.3M33 00:50–01:25: quality 0.2observe M33 21:35–23:30scheduleV1057 CygNGC 7000M31M33M3118:0020:0022:0000:0002:0004:0006:00

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
18:05–19:15 V1057 Cyg 1.17 0.49
19:15–20:25 NGC 7000 1.17 0.58
20:25–21:35 M31 1.17 0.42
21:35–23:30 M33 1.92 0.32
23:30–00:25 M31 0.92 0.34
00:25–01:55 — nothing worth pointing at — 1.5
01:55–02:15 M42 0.33 0.3
02:15–02:20 M45 0.08 0.3
02:20–07:50 — nothing worth pointing at — 5.5

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 33 unknown 18:40–00:25 (marginal) 89.8° at 18:35 51.7° 2.08
M42 Great Orion Nebula 14 unknown 01:55–02:15 (marginal) 42.9° at 23:25 32.6° 0.33
M45 Seven Sisters 22 unknown 18:40–20:15 (marginal) 72.6° at 21:40 12.5° 0.08
NGC 7000 North America Nebula 30 unknown 18:40–19:25 (good) 87.2° at 14:50 89.5° 1.17
V1057 Cyg 30 unknown 18:40–19:25 (good) 87.2° at 14:50 89.6° 1.17
M33 Triangulum Pinwheel 26 unknown 18:40–23:30 (marginal) 79.2° at 19:25 41.7° 1.92
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2047-12-29"

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"}; an unreadable date → 400 {"error", "code": "invalid_date"}.