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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 Saturday, 09 November 2030 · astronomical night 18:41 → 05:28 (10.78 h) · Moon 100% (full moon) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:40–18:10: quality 0.1M31 18:10–18:45: quality 0.2M31 18:45–19:10: quality 0.5M31 19:10–20:50: quality 0.4M31 20:50–03:55: quality 0.3M31 03:55–04:30: quality 0.2observe M31 22:00–22:05M42M42 22:55–23:00: quality 0.1M42 23:00–23:45: quality 0.2M42 23:45–02:15: quality 0.3M42 02:15–05:30: quality 0.4M42 05:30–06:05: quality 0.2observe M42 00:40–02:35M45M45 19:20–19:55: quality 0.2M45 19:55–22:05: quality 0.3M45 22:05–01:10: quality 0.2M45 01:10–04:10: quality 0.3M45 04:10–05:30: quality 0.4M45 05:30–06:05: quality 0.2observe M45 02:35–05:30NGC 7000NGC 7000 17:40–18:10: quality 0.1NGC 7000 18:10–18:45: quality 0.3NGC 7000 18:45–19:20: quality 0.7NGC 7000 19:20–21:30: quality 0.6NGC 7000 21:30–23:25: quality 0.5NGC 7000 23:25–00:20: quality 0.4NGC 7000 00:20–00:50: quality 0.3NGC 7000 00:50–01:00: quality 0.2observe NGC 7000 18:10–20:05observe NGC 7000 22:05–00:35V1057 CygV1057 Cyg 17:40–18:10: quality 0.1V1057 Cyg 18:10–18:45: quality 0.3V1057 Cyg 18:45–19:20: quality 0.7V1057 Cyg 19:20–21:30: quality 0.6V1057 Cyg 21:30–23:25: quality 0.5V1057 Cyg 23:25–00:20: quality 0.4V1057 Cyg 00:20–00:50: quality 0.3V1057 Cyg 00:50–01:00: quality 0.2observe V1057 Cyg 20:05–22:00M33M33 17:40–18:10: quality 0.1M33 18:10–18:45: quality 0.2M33 18:45–20:15: quality 0.4M33 20:15–22:40: quality 0.3M33 22:40–01:35: quality 0.2M33 01:35–04:05: quality 0.3M33 04:05–04:40: quality 0.2scheduleNGC 7000V1057 CygNGC 7000M42M4518:0020:0022:0000:0002:0004:0006:00

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
17:05–18:10 — nothing worth pointing at — 1.08
18:10–20:05 NGC 7000 1.92 0.55
20:05–22:00 V1057 Cyg 1.92 0.58
22:00–22:05 M31 0.08 0.3
22:05–00:35 NGC 7000 2.5 0.44
00:35–00:40 — nothing worth pointing at — 0.08
00:40–02:35 M42 1.92 0.33
02:35–05:30 M45 2.92 0.35
05:30–07:05 — nothing worth pointing at — 1.58

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 37 unknown 18:45–22:05 (marginal) 89.7° at 21:50 35.2° 0.08
M42 Great Orion Nebula 26 unknown 00:40–05:30 (marginal) 42.9° at 02:40 47.6° 1.92
M45 Seven Sisters 28 unknown 02:35–05:30 (marginal) 72.5° at 00:55 14.8° 2.92
NGC 7000 North America Nebula 58 unknown 18:45–20:40 (good) 87.2° at 18:05 75.4° 4.42
V1057 Cyg 58 unknown 18:45–20:40 (good) 87.3° at 18:05 75.4° 1.92
M33 Triangulum Pinwheel 29 unknown 18:45–21:15 (marginal) 79.1° at 22:40 20.9° 0.0

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2030-11-09"

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"}.