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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, 06 October 2028 · astronomical night 20:25 → 05:52 (9.44 h) · Moon 90% (waning gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 19:25–19:55: quality 0.1M31 19:55–20:00: quality 0.4M31 20:00–20:30: quality 0.3M31 20:30–23:30: quality 0.5M31 23:30–02:10: quality 0.4M31 02:10–05:55: quality 0.3M31 05:55–06:25: quality 0.2observe M31 23:25–01:10M42M42 02:05–02:40: quality 0.2M42 02:40–04:35: quality 0.3M42 04:35–05:55: quality 0.4M42 05:55–06:25: quality 0.2M42 06:25–07:00: quality 0.1observe M42 03:10–04:55M45M45 22:30–22:50: quality 0.2M45 22:50–05:55: quality 0.3M45 05:55–06:25: quality 0.2M45 06:25–07:00: quality 0.1observe M45 02:55–03:10observe M45 04:55–05:55NGC 7000NGC 7000 19:25–19:55: quality 0.2NGC 7000 19:55–20:00: quality 0.5NGC 7000 20:00–20:30: quality 0.4NGC 7000 20:30–21:00: quality 0.8NGC 7000 21:00–23:45: quality 0.7NGC 7000 23:45–01:25: quality 0.6NGC 7000 01:25–03:10: quality 0.5NGC 7000 03:10–03:40: quality 0.4NGC 7000 03:40–04:10: quality 0.3observe NGC 7000 19:55–21:40V1057 CygV1057 Cyg 19:25–19:55: quality 0.2V1057 Cyg 19:55–20:00: quality 0.5V1057 Cyg 20:00–20:30: quality 0.4V1057 Cyg 20:30–21:00: quality 0.8V1057 Cyg 21:00–23:45: quality 0.7V1057 Cyg 23:45–01:25: quality 0.6V1057 Cyg 01:25–03:10: quality 0.5V1057 Cyg 03:10–03:40: quality 0.4V1057 Cyg 03:40–04:10: quality 0.3observe V1057 Cyg 21:40–23:25M33M33 19:55–20:00: quality 0.2M33 20:00–20:05: quality 0.1M33 20:05–20:30: quality 0.2M33 20:30–20:50: quality 0.4M33 20:50–22:05: quality 0.5M33 22:05–01:00: quality 0.4M33 01:00–05:55: quality 0.3M33 05:55–06:25: quality 0.2observe M33 01:10–02:55scheduleNGC 7000V1057 CygM31M33M42M4520:0022:0000:0002:0004:0006:00

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
18:50–19:55 — nothing worth pointing at — 1.08
19:55–21:40 NGC 7000 1.75 0.63
21:40–23:25 V1057 Cyg 1.75 0.69
23:25–01:10 M31 1.75 0.41
01:10–02:55 M33 1.75 0.32
02:55–03:10 M45 0.25 0.3
03:10–04:55 M42 1.75 0.34
04:55–05:55 M45 1.0 0.33
05:55–07:25 — nothing worth pointing at — 1.5

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 54 unknown 20:30–05:55 (marginal) 89.7° at 01:00 35.8° 1.75
M42 Great Orion Nebula 13 unknown 03:05–05:55 (marginal) 42.9° at 05:55 45.6° 1.75
M45 Seven Sisters 21 unknown 23:10–03:10 (marginal) 72.5° at 04:05 9.5° 1.25
NGC 7000 North America Nebula 77 unknown 20:30–00:40 (good) 87.2° at 21:15 76.1° 1.75
V1057 Cyg 77 unknown 20:30–00:40 (good) 87.3° at 21:15 76.2° 1.75
M33 Triangulum Pinwheel 42 unknown 20:30–03:10 (marginal) 79.1° at 01:50 22.4° 1.75
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2028-10-06"

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"}.