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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, 04 November 2039 · astronomical night 18:46 → 05:22 (10.6 h) · Moon 86% (waning gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:45–18:15: quality 0.1M31 18:15–18:50: quality 0.5M31 18:50–19:30: quality 1.0M31 19:30–19:45: quality 0.8M31 19:45–22:05: quality 0.7M31 22:05–01:00: quality 0.6M31 01:00–02:55: quality 0.5M31 02:55–04:10: quality 0.4M31 04:10–04:40: quality 0.3M31 04:40–04:50: quality 0.2observe M31 22:05–00:00observe M31 03:50–04:25M42M42 23:15–23:50: quality 0.2M42 23:50–05:25: quality 0.3M42 05:25–06:00: quality 0.1M45M45 19:40–20:00: quality 0.3M45 20:00–20:30: quality 0.4M45 20:30–22:40: quality 0.5M45 22:40–01:30: quality 0.4M45 01:30–05:25: quality 0.3M45 05:25–06:00: quality 0.2observe M45 01:55–03:50observe M45 04:30–05:25NGC 7000NGC 7000 17:45–18:15: quality 0.2NGC 7000 18:15–18:50: quality 0.5NGC 7000 18:50–19:30: quality 1.0NGC 7000 19:30–20:05: quality 0.9NGC 7000 20:05–22:10: quality 0.8NGC 7000 22:10–23:35: quality 0.7NGC 7000 23:35–00:25: quality 0.6NGC 7000 00:25–00:45: quality 0.5NGC 7000 00:45–01:10: quality 0.4NGC 7000 01:10–01:20: quality 0.3observe NGC 7000 18:15–20:10V1057 CygV1057 Cyg 17:45–18:15: quality 0.2V1057 Cyg 18:15–18:50: quality 0.5V1057 Cyg 18:50–19:30: quality 1.0V1057 Cyg 19:30–20:10: quality 0.9V1057 Cyg 20:10–22:10: quality 0.8V1057 Cyg 22:10–23:35: quality 0.7V1057 Cyg 23:35–00:25: quality 0.6V1057 Cyg 00:25–00:45: quality 0.5V1057 Cyg 00:45–01:10: quality 0.4V1057 Cyg 01:10–01:20: quality 0.3observe V1057 Cyg 20:10–22:05M33M33 17:45–18:15: quality 0.1M33 18:15–18:50: quality 0.4M33 18:50–19:30: quality 0.9M33 19:30–21:20: quality 0.7M33 21:20–23:35: quality 0.6M33 23:35–02:15: quality 0.5M33 02:15–04:15: quality 0.4M33 04:15–04:45: quality 0.3M33 04:45–05:00: quality 0.2observe M33 00:00–01:55observe M33 04:25–04:30scheduleNGC 7000V1057 CygM31M33M45M4518:0020:0022:0000:0002:0004:0006:00

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
17:10–18:15 — nothing worth pointing at — 1.08
18:15–20:10 NGC 7000 1.92 0.8
20:10–22:05 V1057 Cyg 1.92 0.82
22:05–00:00 M31 1.92 0.61
00:00–01:55 M33 1.92 0.5
01:55–03:50 M45 1.92 0.33
03:50–04:25 M31 0.58 0.36
04:25–04:30 M33 0.08 0.31
04:30–05:25 M45 0.92 0.3
05:25–07:00 — nothing worth pointing at — 1.58

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 100 unknown 18:50–23:25 (good) 89.8° at 22:10 63.2° 2.5
M42 Great Orion Nebula 15 unknown 00:15–01:25 (marginal) 42.9° at 03:00 30.0° 0.0
M45 Seven Sisters 45 unknown 19:50–05:25 (marginal) 72.5° at 01:15 26.4° 2.83
NGC 7000 North America Nebula 100 unknown 18:50–00:15 (good) 87.2° at 18:25 97.8° 1.92
V1057 Cyg 100 unknown 18:50–00:15 (good) 87.3° at 18:25 97.9° 1.92
M33 Triangulum Pinwheel 90 unknown 18:50–22:25 (good) 79.2° at 23:00 54.8° 2.0

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2039-11-04"

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"}.