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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 Saturday, 13 March 2038 · astronomical night 19:57 → 05:02 (9.07 h) · Moon 48% (first quarter) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 18:55–19:30: quality 0.1M31 19:30–19:40: quality 0.3M31 19:40–20:00: quality 0.2M31 20:00–20:10: quality 0.4M31 20:10–20:25: quality 0.3M42M42 18:55–19:30: quality 0.1M42 19:30–20:00: quality 0.3M42 20:00–20:35: quality 0.6M42 20:35–21:40: quality 0.5M42 21:40–22:05: quality 0.4M42 22:05–22:25: quality 0.3observe M42 21:10–22:20M45M45 18:55–19:30: quality 0.1M45 19:30–20:00: quality 0.3M45 20:00–21:15: quality 0.6M45 21:15–21:50: quality 0.5M45 21:50–22:10: quality 0.4M45 22:10–22:25: quality 0.3observe M45 19:30–19:40observe M45 20:30–21:10NGC 7000NGC 7000 03:05–03:10: quality 0.4NGC 7000 03:10–03:30: quality 0.5NGC 7000 03:30–03:45: quality 0.6NGC 7000 03:45–04:05: quality 0.7NGC 7000 04:05–05:00: quality 0.8NGC 7000 05:00–05:05: quality 0.9NGC 7000 05:05–05:35: quality 0.4NGC 7000 05:35–06:10: quality 0.1observe NGC 7000 03:05–03:55V1057 CygV1057 Cyg 03:05–03:10: quality 0.4V1057 Cyg 03:10–03:30: quality 0.5V1057 Cyg 03:30–03:45: quality 0.6V1057 Cyg 03:45–04:05: quality 0.7V1057 Cyg 04:05–05:00: quality 0.8V1057 Cyg 05:00–05:05: quality 0.9V1057 Cyg 05:05–05:35: quality 0.4V1057 Cyg 05:35–06:10: quality 0.1observe V1057 Cyg 03:55–05:35M33M33 18:55–19:30: quality 0.1M33 19:30–19:50: quality 0.3M33 19:50–20:00: quality 0.2M33 20:00–20:20: quality 0.4M33 20:20–20:35: quality 0.3observe M33 20:00–20:30scheduleM45M42NGC 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
18:25–19:30 — nothing worth pointing at — 1.08
19:30–19:40 M45 0.17 0.3
19:40–20:00 — nothing worth pointing at — 0.33
20:00–20:30 M33 0.5 0.38
20:30–21:10 M45 0.67 0.56
21:10–22:20 M42 1.17 0.44
22:20–03:05 — nothing worth pointing at — 4.75
03:05–03:55 NGC 7000 0.83 0.56
03:55–05:35 V1057 Cyg 1.67 0.7
05:35–06:35 — nothing worth pointing at — 1.0

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 3 unknown 20:00–20:25 (marginal) 89.7° at 13:40 61.3° 0.0
M42 Great Orion Nebula 19 unknown 20:00–22:20 (marginal) 42.9° at 18:35 26.5° 1.17
M45 Seven Sisters 21 unknown 20:00–22:20 (marginal) 72.5° at 16:45 22.1° 0.83
NGC 7000 North America Nebula 36 unknown 03:40–05:05 (good) 87.2° at 09:55 98.1° 0.83
V1057 Cyg 36 unknown 03:40–05:05 (good) 87.3° at 09:55 98.1° 1.67
M33 Triangulum Pinwheel 4 unknown 20:00–20:30 (marginal) 79.2° at 14:30 51.6° 0.5

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2038-03-13"

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"}.