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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 Friday, 15 October 2038 · astronomical night 20:12 → 06:01 (9.82 h) · Moon 93% (waning gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 19:10–19:45: quality 0.1M31 19:45–20:15: quality 0.4M31 20:15–22:15: quality 0.6M31 22:15–00:05: quality 0.5M31 00:05–05:00: quality 0.4M31 05:00–06:00: quality 0.3M31 06:00–06:05: quality 0.4M31 06:05–06:25: quality 0.2M31 06:25–06:35: quality 0.1observe M31 23:15–01:00observe M31 03:25–03:55M42M42 01:35–02:25: quality 0.2M42 02:25–05:45: quality 0.3M42 05:45–06:05: quality 0.4M42 06:05–06:35: quality 0.2M42 06:35–07:10: quality 0.1observe M42 03:55–05:40M45M45 22:00–22:15: quality 0.2M45 22:15–22:50: quality 0.3M45 22:50–23:15: quality 0.4M45 23:15–06:05: quality 0.3M45 06:05–06:35: quality 0.2M45 06:35–07:10: quality 0.1observe M45 05:40–06:05NGC 7000NGC 7000 19:10–19:45: quality 0.2NGC 7000 19:45–20:15: quality 0.5NGC 7000 20:15–21:45: quality 0.8NGC 7000 21:45–00:05: quality 0.7NGC 7000 00:05–01:40: quality 0.6NGC 7000 01:40–02:45: quality 0.5NGC 7000 02:45–03:10: quality 0.4NGC 7000 03:10–03:40: quality 0.3observe NGC 7000 19:45–21:30observe NGC 7000 02:20–03:25V1057 CygV1057 Cyg 19:10–19:45: quality 0.2V1057 Cyg 19:45–20:15: quality 0.5V1057 Cyg 20:15–21:45: quality 0.8V1057 Cyg 21:45–00:05: quality 0.7V1057 Cyg 00:05–01:40: quality 0.6V1057 Cyg 01:40–02:45: quality 0.5V1057 Cyg 02:45–03:10: quality 0.4V1057 Cyg 03:10–03:40: quality 0.3observe V1057 Cyg 21:30–23:15M33M33 19:25–19:45: quality 0.1M33 19:45–20:05: quality 0.3M33 20:05–20:15: quality 0.4M33 20:15–22:35: quality 0.5M33 22:35–00:40: quality 0.4M33 00:40–06:05: quality 0.3M33 06:05–06:20: quality 0.1M33 06:20–06:25: quality 0.2M33 06:25–06:35: quality 0.1observe M33 01:00–02:20scheduleNGC 7000V1057 CygM31M33NGC 7000M4220:0022:0000:0002:0004:0006:00

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
18:35–19:45 — nothing worth pointing at — 1.17
19:45–21:30 NGC 7000 1.75 0.7
21:30–23:15 V1057 Cyg 1.75 0.73
23:15–01:00 M31 1.75 0.45
01:00–02:20 M33 1.33 0.32
02:20–03:25 NGC 7000 1.08 0.42
03:25–03:55 M31 0.5 0.37
03:55–05:40 M42 1.75 0.32
05:40–06:05 M45 0.42 0.34
06:05–07:35 — nothing worth pointing at — 1.5

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 59 unknown 19:45–06:05 (marginal) 89.5° at 00:30 43.4° 2.25
M42 Great Orion Nebula 13 unknown 03:50–06:05 (marginal) 42.9° at 05:20 38.5° 1.75
M45 Seven Sisters 24 unknown 22:30–02:20 (marginal) 72.5° at 03:30 10.4° 0.42
NGC 7000 North America Nebula 80 unknown 20:15–00:50 (good) 87.2° at 20:45 83.8° 2.83
V1057 Cyg 80 unknown 20:15–00:50 (good) 87.3° at 20:45 83.8° 1.75
M33 Triangulum Pinwheel 48 unknown 19:50–02:20 (marginal) 79.2° at 01:20 29.5° 1.33
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2038-10-15"

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"}.