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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 Thursday, 14 March 2030 · astronomical night 19:59 → 05:00 (9.02 h) · Moon 74% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 18:55–19:30: quality 0.1M31 19:30–20:00: quality 0.2M31 20:00–20:05: quality 0.4M31 20:05–20:20: quality 0.3M42M42 18:55–19:30: quality 0.1M42 19:30–20:00: quality 0.2M42 20:00–21:25: quality 0.4M42 21:25–22:00: quality 0.3M42 22:00–22:20: quality 0.2observe M42 21:15–21:45M45M45 18:55–19:30: quality 0.1M45 19:30–20:00: quality 0.3M45 20:00–21:15: quality 0.5M45 21:15–21:50: quality 0.4M45 21:50–22:15: quality 0.3M45 22:15–22:20: quality 0.2observe M45 20:25–21:15observe M45 21:45–22:00NGC 7000NGC 7000 03:00–03:15: quality 0.4NGC 7000 03:15–03:35: quality 0.5NGC 7000 03:35–03:40: quality 0.6NGC 7000 03:40–04:00: quality 0.7NGC 7000 04:00–04:55: quality 0.8NGC 7000 04:55–05:05: quality 0.9NGC 7000 05:05–05:35: quality 0.4NGC 7000 05:35–06:10: quality 0.1observe NGC 7000 03:00–03:50V1057 CygV1057 Cyg 03:00–03:15: quality 0.4V1057 Cyg 03:15–03:35: quality 0.5V1057 Cyg 03:35–03:45: quality 0.6V1057 Cyg 03:45–04:00: quality 0.7V1057 Cyg 04:00–04:55: quality 0.8V1057 Cyg 04:55–05:05: quality 0.9V1057 Cyg 05:05–05:35: quality 0.4V1057 Cyg 05:35–06:10: quality 0.1observe V1057 Cyg 03:50–05:35M33M33 18:55–19:30: quality 0.1M33 19:30–19:45: quality 0.3M33 19:45–20:00: quality 0.2M33 20:00–20:15: quality 0.4M33 20:15–20:30: quality 0.3observe M33 20:00–20:25scheduleM45NGC 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
18:25–20:00 — nothing worth pointing at — 1.58
20:00–20:25 M33 0.42 0.36
20:25–21:15 M45 0.83 0.47
21:15–21:45 M42 0.5 0.34
21:45–22:00 M45 0.25 0.33
22:00–03:00 — nothing worth pointing at — 5.0
03:00–03:50 NGC 7000 0.83 0.52
03:50–05:35 V1057 Cyg 1.75 0.7
05:35–06:35 — nothing worth pointing at — 1.0

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 2 unknown 20:00–20:15 (marginal) 89.6° at 13:35 87.7° 0.0
M42 Great Orion Nebula 10 unknown 20:00–21:45 (marginal) 42.9° at 18:30 38.8° 0.5
M45 Seven Sisters 14 unknown 20:00–22:00 (marginal) 72.5° at 16:40 54.0° 1.08
NGC 7000 North America Nebula 37 unknown 03:40–05:05 (good) 87.2° at 09:50 114.3° 0.83
V1057 Cyg 37 unknown 03:40–05:05 (good) 87.3° at 09:50 114.4° 1.75
M33 Triangulum Pinwheel 3 unknown 20:00–20:25 (marginal) 79.1° at 14:30 81.6° 0.42

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2030-03-14"

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"}.