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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, 19 March 2043 · astronomical night 20:05 → 04:51 (8.78 h) · Moon 70% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 19:00–19:35: quality 0.1M31 19:35–19:55: quality 0.2M31 19:55–20:00: quality 0.1M42M42 19:00–19:35: quality 0.1M42 19:35–20:10: quality 0.2M42 20:10–21:20: quality 0.4M42 21:20–21:50: quality 0.3M42 21:50–22:00: quality 0.2observe M42 21:20–21:35M45M45 19:00–19:35: quality 0.1M45 19:35–19:55: quality 0.3M45 19:55–20:10: quality 0.2M45 20:10–21:05: quality 0.5M45 21:05–21:30: quality 0.4M45 21:30–21:55: quality 0.3M45 21:55–22:00: quality 0.2observe M45 20:10–21:20observe M45 21:35–21:45NGC 7000NGC 7000 02:40–03:00: quality 0.4NGC 7000 03:00–03:15: quality 0.5NGC 7000 03:15–03:35: quality 0.6NGC 7000 03:35–04:05: quality 0.7NGC 7000 04:05–04:35: quality 0.8NGC 7000 04:35–04:55: quality 0.9NGC 7000 04:55–05:20: quality 0.4NGC 7000 05:20–05:25: quality 0.5NGC 7000 05:25–06:00: quality 0.1observe NGC 7000 02:40–03:50V1057 CygV1057 Cyg 02:40–03:00: quality 0.4V1057 Cyg 03:00–03:15: quality 0.5V1057 Cyg 03:15–03:35: quality 0.6V1057 Cyg 03:35–04:05: quality 0.7V1057 Cyg 04:05–04:35: quality 0.8V1057 Cyg 04:35–04:55: quality 0.9V1057 Cyg 04:55–05:20: quality 0.4V1057 Cyg 05:20–05:25: quality 0.5V1057 Cyg 05:25–06:00: quality 0.1observe V1057 Cyg 03:50–05:25M33M33 19:00–19:35: quality 0.1M33 19:35–20:05: quality 0.2M33 20:05–20:10: 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
18:30–20:10 — nothing worth pointing at — 1.67
20:10–21:20 M45 1.17 0.46
21:20–21:35 M42 0.25 0.32
21:35–21:45 M45 0.17 0.31
21:45–02:40 — nothing worth pointing at — 4.92
02:40–03:50 NGC 7000 1.17 0.54
03:50–05:25 V1057 Cyg 1.58 0.7
05:25–06:25 — nothing worth pointing at — 1.0

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 1 unknown — 89.7° at 13:20 83.2° 0.0
M42 Great Orion Nebula 9 unknown 20:10–21:35 (marginal) 42.9° at 18:10 44.5° 0.25
M45 Seven Sisters 11 unknown 20:10–21:45 (marginal) 72.5° at 16:20 53.1° 1.33
NGC 7000 North America Nebula 40 unknown 03:25–04:55 (good) 87.2° at 09:30 107.1° 1.17
V1057 Cyg 39 unknown 03:25–04:55 (good) 87.3° at 09:30 107.2° 1.58
M33 Triangulum Pinwheel 1 unknown — 79.2° at 14:10 78.7° 0.0

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2043-03-19"

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"}.