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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 Wednesday, 28 January 2037 · astronomical night 19:07 → 06:00 (10.87 h) · Moon 90% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 18:05–18:35: quality 0.1M31 18:35–19:10: quality 0.3M31 19:10–20:00: quality 0.6M31 20:00–22:05: quality 0.5M31 22:05–22:40: quality 0.4M31 22:40–23:10: quality 0.3M31 23:10–23:15: quality 0.2observe M31 18:35–19:05observe M31 19:10–19:45observe M31 21:55–22:55M42M42 18:35–18:40: quality 0.1M42 18:40–19:10: quality 0.2M42 19:10–00:25: quality 0.3M42 00:25–01:15: quality 0.2M45M45 18:05–18:35: quality 0.1M45 18:35–19:10: quality 0.2M45 19:10–20:15: quality 0.4M45 20:15–00:40: quality 0.3M45 00:40–01:15: quality 0.2observe M45 20:50–21:55observe M45 22:55–23:30NGC 7000NGC 7000 18:05–18:35: quality 0.1NGC 7000 18:35–19:05: quality 0.3NGC 7000 19:05–19:10: quality 0.2NGC 7000 19:10–19:15: quality 0.5NGC 7000 19:15–19:35: quality 0.4NGC 7000 19:35–19:45: quality 0.3NGC 7000 05:55–06:05: quality 0.4NGC 7000 06:05–06:15: quality 0.2NGC 7000 06:15–06:35: quality 0.3NGC 7000 06:35–07:10: quality 0.1observe NGC 7000 05:55–06:05observe NGC 7000 06:30–06:35V1057 CygV1057 Cyg 18:05–18:35: quality 0.1V1057 Cyg 18:35–19:05: quality 0.3V1057 Cyg 19:05–19:10: quality 0.2V1057 Cyg 19:10–19:15: quality 0.5V1057 Cyg 19:15–19:35: quality 0.4V1057 Cyg 19:35–19:45: quality 0.3V1057 Cyg 05:55–06:05: quality 0.4V1057 Cyg 06:05–06:15: quality 0.2V1057 Cyg 06:15–06:35: quality 0.3V1057 Cyg 06:35–07:10: quality 0.1M33M33 18:05–18:35: quality 0.1M33 18:35–19:10: quality 0.3M33 19:10–21:20: quality 0.5M33 21:20–22:45: quality 0.4M33 22:45–23:15: quality 0.3M33 23:15–23:25: quality 0.2observe M33 19:45–20:50scheduleM33M45M3118:0020:0022:0000:0002:0004:0006:00

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
17:30–18:35 — nothing worth pointing at — 1.08
18:35–19:05 M31 0.5 0.3
19:05–19:10 — nothing worth pointing at — 0.08
19:10–19:45 M31 0.58 0.58
19:45–20:50 M33 1.08 0.5
20:50–21:55 M45 1.08 0.33
21:55–22:55 M31 1.0 0.39
22:55–23:30 M45 0.58 0.3
23:30–05:55 — nothing worth pointing at — 6.42
05:55–06:05 NGC 7000 0.17 0.43
06:05–06:30 — nothing worth pointing at — 0.42
06:30–06:35 NGC 7000 0.08 0.31
06:35–07:40 — nothing worth pointing at — 1.08

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 32 unknown 19:10–22:55 (marginal) 89.6° at 16:35 71.1° 2.08
M42 Great Orion Nebula 13 unknown — 42.9° at 21:25 27.3° 0.0
M45 Seven Sisters 20 unknown 19:10–23:30 (marginal) 72.5° at 19:35 33.8° 1.67
NGC 7000 North America Nebula 8 unknown 19:10–19:45 (marginal) 87.2° at 12:50 104.9° 0.25
V1057 Cyg 8 unknown 19:10–19:45 (marginal) 87.3° at 12:50 105.0° 0.0
M33 Triangulum Pinwheel 28 unknown 19:10–23:00 (marginal) 79.2° at 17:25 62.7° 1.08

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2037-01-28"

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"}.