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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 Sunday, 25 October 2037 · astronomical night 18:57 → 05:12 (10.25 h) · Moon 97% (full moon) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:55–18:30: quality 0.1M31 18:30–18:35: quality 0.4M31 18:35–19:00: quality 0.3M31 19:00–20:20: quality 0.6M31 20:20–22:10: quality 0.5M31 22:10–02:00: quality 0.4M31 02:00–05:05: quality 0.3M31 05:05–05:15: quality 0.2M31 05:15–05:30: quality 0.1observe M31 23:45–01:35observe M31 01:45–03:05M42M42 23:55–00:00: quality 0.1M42 00:00–00:55: quality 0.2M42 00:55–04:40: quality 0.3M42 04:40–05:15: quality 0.4M42 05:15–05:45: quality 0.2M42 05:45–06:20: quality 0.1observe M42 03:05–04:55M45M45 20:20–20:35: quality 0.2M45 20:35–05:15: quality 0.3M45 05:15–05:45: quality 0.2M45 05:45–06:20: quality 0.1observe M45 04:55–05:15NGC 7000NGC 7000 17:55–18:30: quality 0.2NGC 7000 18:30–18:35: quality 0.5NGC 7000 18:35–19:00: quality 0.4NGC 7000 19:00–19:55: quality 0.8NGC 7000 19:55–22:20: quality 0.7NGC 7000 22:20–23:50: quality 0.6NGC 7000 23:50–01:05: quality 0.5NGC 7000 01:05–01:30: quality 0.4NGC 7000 01:30–02:00: quality 0.3observe NGC 7000 18:30–20:20observe NGC 7000 01:35–01:45V1057 CygV1057 Cyg 17:55–18:30: quality 0.2V1057 Cyg 18:30–18:35: quality 0.5V1057 Cyg 18:35–19:00: quality 0.4V1057 Cyg 19:00–19:55: quality 0.8V1057 Cyg 19:55–22:20: quality 0.7V1057 Cyg 22:20–23:50: quality 0.6V1057 Cyg 23:50–01:05: quality 0.5V1057 Cyg 01:05–01:30: quality 0.4V1057 Cyg 01:30–02:00: quality 0.3observe V1057 Cyg 20:20–22:10M33M33 17:55–18:30: quality 0.1M33 18:30–18:35: quality 0.4M33 18:35–19:00: quality 0.2M33 19:00–20:20: quality 0.5M33 20:20–22:35: quality 0.4M33 22:35–05:00: quality 0.3M33 05:00–05:15: quality 0.2M33 05:15–05:40: quality 0.1observe M33 22:10–23:45scheduleNGC 7000V1057 CygM33M31M31M4218:0020:0022:0000:0002:0004:0006:00

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
17:20–18:30 — nothing worth pointing at — 1.17
18:30–20:20 NGC 7000 1.83 0.67
20:20–22:10 V1057 Cyg 1.83 0.7
22:10–23:45 M33 1.58 0.33
23:45–01:35 M31 1.83 0.37
01:35–01:45 NGC 7000 0.17 0.32
01:45–03:05 M31 1.33 0.34
03:05–04:55 M42 1.83 0.33
04:55–05:15 M45 0.33 0.34
05:15–06:50 — nothing worth pointing at — 1.58

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 58 unknown 19:00–04:45 (marginal) 89.5° at 22:50 44.2° 3.17
M42 Great Orion Nebula 15 unknown 03:05–05:15 (marginal) 42.9° at 03:40 38.0° 1.83
M45 Seven Sisters 24 unknown 20:55–23:20 (marginal) 72.5° at 01:50 11.4° 0.33
NGC 7000 North America Nebula 78 unknown 19:00–23:00 (good) 87.2° at 19:05 84.6° 2.0
V1057 Cyg 78 unknown 19:00–23:00 (good) 87.3° at 19:05 84.5° 1.83
M33 Triangulum Pinwheel 44 unknown 19:00–23:45 (marginal) 79.2° at 23:40 30.2° 1.58
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2037-10-25"

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"}.