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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 Friday, 27 March 2037 · astronomical night 20:15 → 04:35 (8.34 h) · Moon 83% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 19:10–19:25: quality 0.1M42M42 19:10–19:45: quality 0.1M42 19:45–20:20: quality 0.2M42 20:20–20:50: quality 0.4M42 20:50–21:20: quality 0.3M42 21:20–21:25: quality 0.2M45M45 19:10–19:45: quality 0.1M45 19:45–20:20: quality 0.3M45 20:20–20:45: quality 0.5M45 20:45–21:05: quality 0.4M45 21:05–21:25: quality 0.3observe M45 20:20–21:20NGC 7000NGC 7000 02:05–02:25: quality 0.4NGC 7000 02:25–02:45: quality 0.5NGC 7000 02:45–03:00: quality 0.6NGC 7000 03:00–03:30: quality 0.7NGC 7000 03:30–04:30: quality 0.8NGC 7000 04:30–04:40: quality 0.9NGC 7000 04:40–04:50: quality 0.4NGC 7000 04:50–05:10: quality 0.5NGC 7000 05:10–05:45: quality 0.1observe NGC 7000 02:05–03:10V1057 CygV1057 Cyg 02:05–02:25: quality 0.4V1057 Cyg 02:25–02:45: quality 0.5V1057 Cyg 02:45–03:00: quality 0.6V1057 Cyg 03:00–03:30: quality 0.7V1057 Cyg 03:30–04:30: quality 0.8V1057 Cyg 04:30–04:40: quality 0.9V1057 Cyg 04:40–04:50: quality 0.4V1057 Cyg 04:50–05:10: quality 0.5V1057 Cyg 05:10–05:45: quality 0.1observe V1057 Cyg 03:10–05:10M33M33 19:10–19:35: quality 0.1scheduleM45NGC 7000V1057 Cyg20:0022:0000:0002:0004:0006:00

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
18:40–20:20 — nothing worth pointing at — 1.67
20:20–21:20 M45 1.0 0.43
21:20–02:05 — nothing worth pointing at — 4.75
02:05–03:10 NGC 7000 1.08 0.52
03:10–05:10 V1057 Cyg 2.0 0.7
05:10–06:15 — nothing worth pointing at — 1.08

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 0 unknown — 89.8° at 12:45 106.8° 0.0
M42 Great Orion Nebula 6 unknown 20:20–21:05 (marginal) 42.9° at 17:35 61.2° 0.0
M45 Seven Sisters 9 unknown 20:20–21:20 (marginal) 72.5° at 15:50 79.1° 1.0
NGC 7000 North America Nebula 46 unknown 02:50–04:40 (good) 87.2° at 08:55 119.1° 1.08
V1057 Cyg 46 unknown 02:50–04:40 (good) 87.3° at 08:55 119.2° 2.0
M33 Triangulum Pinwheel 0 unknown — 79.2° at 13:35 104.3° 0.0

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2037-03-27"

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"}.