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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 Monday, 31 July 2034 · astronomical night 22:33 → 04:21 (5.8 h) · Moon 99% (full moon) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 22:50–23:10: quality 0.3M31 23:10–23:40: quality 0.4M31 23:40–01:20: quality 0.5M31 01:20–04:25: quality 0.6M31 04:25–05:05: quality 0.3M31 05:05–05:45: quality 0.1observe M31 01:15–02:35M42M45M45 02:55–03:05: quality 0.3M45 03:05–03:20: quality 0.4M45 03:20–03:40: quality 0.5M45 03:40–04:10: quality 0.6M45 04:10–04:25: quality 0.7M45 04:25–04:50: quality 0.3M45 04:50–05:05: quality 0.4M45 05:05–05:45: quality 0.1observe M45 03:55–05:05NGC 7000NGC 7000 21:15–21:55: quality 0.1NGC 7000 21:55–22:35: quality 0.3NGC 7000 22:35–00:10: quality 0.6NGC 7000 00:10–03:55: quality 0.5NGC 7000 03:55–04:25: quality 0.6NGC 7000 04:25–05:05: quality 0.3NGC 7000 05:05–05:45: quality 0.1observe NGC 7000 22:35–23:55V1057 CygV1057 Cyg 21:15–21:55: quality 0.1V1057 Cyg 21:55–22:35: quality 0.3V1057 Cyg 22:35–00:10: quality 0.6V1057 Cyg 00:10–03:55: quality 0.5V1057 Cyg 03:55–04:25: quality 0.6V1057 Cyg 04:25–05:05: quality 0.3V1057 Cyg 05:05–05:45: quality 0.1observe V1057 Cyg 23:55–01:15M33M33 00:20–00:45: quality 0.3M33 00:45–01:05: quality 0.4M33 01:05–02:20: quality 0.5M33 02:20–04:00: quality 0.6M33 04:00–04:25: quality 0.7M33 04:25–05:05: quality 0.3M33 05:05–05:45: quality 0.1observe M33 02:35–03:55scheduleNGC 7000V1057 CygM31M33M4522:0000:0002:0004:0006:00

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
20:40–22:35 — nothing worth pointing at — 1.92
22:35–23:55 NGC 7000 1.33 0.58
23:55–01:15 V1057 Cyg 1.33 0.54
01:15–02:35 M31 1.33 0.57
02:35–03:55 M33 1.33 0.6
03:55–05:05 M45 1.17 0.48
05:05–06:20 — nothing worth pointing at — 1.25

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 53 unknown 02:35–04:25 (good) 89.6° at 05:25 72.2° 1.33
M42 Great Orion Nebula 0 unknown — 42.9° at 10:20 122.6° 0.0
M45 Seven Sisters 18 unknown 03:45–04:25 (good) 72.5° at 08:30 102.3° 1.17
NGC 7000 North America Nebula 54 unknown 22:35–04:25 (marginal) 87.2° at 01:45 57.1° 1.33
V1057 Cyg 54 unknown 22:35–04:25 (marginal) 87.3° at 01:45 57.1° 1.33
M33 Triangulum Pinwheel 41 unknown 03:15–04:25 (good) 79.1° at 06:20 75.8° 1.33

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2034-07-31"

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"}.