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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 Wednesday, 04 October 2028 · astronomical night 20:29 → 05:50 (9.35 h) · Moon 98% (full moon) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 19:25–20:00: quality 0.1M31 20:00–20:30: quality 0.2M31 20:30–22:45: quality 0.4M31 22:45–05:55: quality 0.3M31 05:55–06:25: quality 0.2M31 06:25–06:55: quality 0.1observe M31 23:20–23:50M42M42 02:15–02:35: quality 0.2M42 02:35–03:05: quality 0.3M42 03:05–04:30: quality 0.4M42 04:30–05:55: quality 0.5M42 05:55–06:25: quality 0.3M42 06:25–06:55: quality 0.1observe M42 02:50–04:30M45M45 22:40–23:25: quality 0.2M45 23:25–04:45: quality 0.3M45 04:45–05:55: quality 0.4M45 05:55–06:25: quality 0.2M45 06:25–06:55: quality 0.1observe M45 04:30–05:55NGC 7000NGC 7000 19:25–20:00: quality 0.1NGC 7000 20:00–20:30: quality 0.3NGC 7000 20:30–22:40: quality 0.6NGC 7000 22:40–01:15: quality 0.5NGC 7000 01:15–03:25: quality 0.4NGC 7000 03:25–04:05: quality 0.3NGC 7000 04:05–04:20: quality 0.2observe NGC 7000 20:00–21:40observe NGC 7000 23:50–02:50V1057 CygV1057 Cyg 19:25–20:00: quality 0.1V1057 Cyg 20:00–20:30: quality 0.3V1057 Cyg 20:30–22:35: quality 0.6V1057 Cyg 22:35–01:10: quality 0.5V1057 Cyg 01:10–03:25: quality 0.4V1057 Cyg 03:25–04:05: quality 0.3V1057 Cyg 04:05–04:20: quality 0.2observe V1057 Cyg 21:40–23:20M33M33 20:05–20:30: quality 0.1M33 20:30–20:55: quality 0.3M33 20:55–21:45: quality 0.4M33 21:45–05:55: quality 0.3M33 05:55–06:25: quality 0.2M33 06:25–06:55: quality 0.1scheduleNGC 7000V1057 CygNGC 7000M42M4520:0022:0000:0002:0004:0006:00

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
18:55–20:00 — nothing worth pointing at — 1.08
20:00–21:40 NGC 7000 1.67 0.53
21:40–23:20 V1057 Cyg 1.67 0.56
23:20–23:50 M31 0.5 0.31
23:50–02:50 NGC 7000 3.0 0.45
02:50–04:30 M42 1.67 0.4
04:30–05:55 M45 1.42 0.37
05:55–07:25 — nothing worth pointing at — 1.5

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 34 unknown 20:30–23:50 (marginal) 89.7° at 01:10 28.5° 0.5
M42 Great Orion Nebula 21 unknown 02:50–05:55 (marginal) 42.9° at 06:00 64.4° 1.67
M45 Seven Sisters 23 unknown 03:25–05:55 (marginal) 72.5° at 04:10 33.8° 1.42
NGC 7000 North America Nebula 64 unknown 20:30–21:30 (good) 87.3° at 21:25 63.8° 4.67
V1057 Cyg 64 unknown 20:30–21:30 (good) 87.3° at 21:25 63.7° 1.67
M33 Triangulum Pinwheel 28 unknown 20:35–23:50 (marginal) 79.1° at 02:00 16.1° 0.0

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2028-10-04"

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"}.