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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 Sunday, 10 March 2041 · astronomical night 19:54 → 05:06 (9.21 h) · Moon 62% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 18:50–19:25: quality 0.1M31 19:25–19:40: quality 0.3M31 19:40–19:55: quality 0.2M31 19:55–20:15: quality 0.4M31 20:15–20:35: quality 0.3M42M42 18:50–19:25: quality 0.1M42 19:25–19:55: quality 0.2M42 19:55–20:55: quality 0.5M42 20:55–22:00: quality 0.4M42 22:00–22:30: quality 0.3M42 22:30–22:35: quality 0.2observe M42 21:25–22:15M45M45 18:50–19:25: quality 0.1M45 19:25–19:50: quality 0.3M45 19:50–19:55: quality 0.2M45 19:55–21:35: quality 0.5M45 21:35–22:05: quality 0.4M45 22:05–22:30: quality 0.3M45 22:30–22:35: quality 0.2observe M45 20:35–21:25NGC 7000NGC 7000 03:15–03:25: quality 0.4NGC 7000 03:25–03:40: quality 0.5NGC 7000 03:40–03:55: quality 0.6NGC 7000 03:55–04:15: quality 0.7NGC 7000 04:15–05:10: quality 0.8NGC 7000 05:10–05:40: quality 0.4NGC 7000 05:40–06:15: quality 0.1observe NGC 7000 03:15–04:05V1057 CygV1057 Cyg 03:15–03:25: quality 0.4V1057 Cyg 03:25–03:40: quality 0.5V1057 Cyg 03:40–03:55: quality 0.6V1057 Cyg 03:55–04:15: quality 0.7V1057 Cyg 04:15–05:10: quality 0.8V1057 Cyg 05:10–05:40: quality 0.4V1057 Cyg 05:40–06:15: quality 0.1observe V1057 Cyg 04:05–05:40M33M33 18:50–19:25: quality 0.1M33 19:25–19:50: quality 0.3M33 19:50–19:55: quality 0.2M33 19:55–20:05: quality 0.5M33 20:05–20:25: quality 0.4M33 20:25–20:45: quality 0.3observe M33 19:55–20:35scheduleM33M45M42NGC 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
18:20–19:55 — nothing worth pointing at — 1.58
19:55–20:35 M33 0.67 0.39
20:35–21:25 M45 0.83 0.46
21:25–22:15 M42 0.83 0.38
22:15–03:15 — nothing worth pointing at — 5.0
03:15–04:05 NGC 7000 0.83 0.55
04:05–05:40 V1057 Cyg 1.58 0.69
05:40–06:40 — nothing worth pointing at — 1.0

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 4 unknown 19:55–20:25 (marginal) 89.6° at 13:50 69.0° 0.0
M42 Great Orion Nebula 14 unknown 19:55–22:15 (marginal) 42.9° at 18:45 34.5° 0.83
M45 Seven Sisters 16 unknown 19:55–22:15 (marginal) 72.5° at 16:55 35.2° 0.83
NGC 7000 North America Nebula 34 unknown 03:50–05:10 (good) 87.2° at 10:05 100.1° 0.83
V1057 Cyg 34 unknown 03:50–05:10 (good) 87.3° at 10:05 100.2° 1.58
M33 Triangulum Pinwheel 6 unknown 19:55–20:35 (marginal) 79.2° at 14:45 62.2° 0.67

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2041-03-10"

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"}.