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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 Wednesday, 01 October 2042 · astronomical night 20:35 → 05:46 (9.19 h) · Moon 91% (waning gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 19:35–20:05: quality 0.1M31 20:05–20:15: quality 0.4M31 20:15–20:40: quality 0.3M31 20:40–23:30: quality 0.5M31 23:30–01:55: quality 0.4M31 01:55–05:50: quality 0.3M31 05:50–06:20: quality 0.2M31 06:40–06:55: quality 0.1observe M31 23:25–01:05M42M42 02:30–03:00: quality 0.2M42 03:00–04:10: quality 0.3M42 04:10–05:50: quality 0.4M42 05:50–06:20: quality 0.2M42 06:20–06:55: quality 0.1observe M42 04:25–05:50M45M45 22:55–23:15: quality 0.2M45 23:15–05:50: quality 0.3M45 05:50–06:20: quality 0.2M45 06:20–06:55: quality 0.1observe M45 02:45–04:25NGC 7000NGC 7000 19:35–20:05: quality 0.2NGC 7000 20:05–20:15: quality 0.5NGC 7000 20:15–20:40: quality 0.4NGC 7000 20:40–21:00: quality 0.8NGC 7000 21:00–23:35: quality 0.7NGC 7000 23:35–01:35: quality 0.6NGC 7000 01:35–03:30: quality 0.5NGC 7000 03:30–04:00: quality 0.4NGC 7000 04:00–04:30: quality 0.3NGC 7000 04:30–04:35: quality 0.2observe NGC 7000 20:05–21:45V1057 CygV1057 Cyg 19:35–20:05: quality 0.2V1057 Cyg 20:05–20:15: quality 0.5V1057 Cyg 20:15–20:40: quality 0.4V1057 Cyg 20:40–21:00: quality 0.8V1057 Cyg 21:00–23:35: quality 0.7V1057 Cyg 23:35–01:35: quality 0.6V1057 Cyg 01:35–03:30: quality 0.5V1057 Cyg 03:30–04:00: quality 0.4V1057 Cyg 04:00–04:30: quality 0.3V1057 Cyg 04:30–04:35: quality 0.2observe V1057 Cyg 21:45–23:25M33M33 20:20–20:30: quality 0.1M33 20:30–20:40: quality 0.2M33 20:40–20:45: quality 0.3M33 20:45–21:15: quality 0.4M33 21:15–21:40: quality 0.5M33 21:40–01:05: quality 0.4M33 01:05–05:50: quality 0.3M33 05:50–06:20: quality 0.2observe M33 01:05–02:45scheduleNGC 7000V1057 CygM31M33M45M4220:0022:0000:0002:0004:0006:00

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
19:00–20:05 — nothing worth pointing at — 1.08
20:05–21:45 NGC 7000 1.67 0.63
21:45–23:25 V1057 Cyg 1.67 0.69
23:25–01:05 M31 1.67 0.41
01:05–02:45 M33 1.67 0.33
02:45–04:25 M45 1.67 0.3
04:25–05:50 M42 1.42 0.38
05:50–07:20 — nothing worth pointing at — 1.5

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 53 unknown 20:40–05:50 (marginal) 89.6° at 01:25 34.5° 1.67
M42 Great Orion Nebula 12 unknown 03:20–05:50 (marginal) 42.9° at 06:15 48.6° 1.42
M45 Seven Sisters 19 unknown 23:35–05:50 (marginal) 72.5° at 04:25 15.9° 1.67
NGC 7000 North America Nebula 76 unknown 20:40–00:45 (good) 87.2° at 21:40 74.6° 1.67
V1057 Cyg 76 unknown 20:40–00:45 (good) 87.3° at 21:40 74.6° 1.67
M33 Triangulum Pinwheel 40 unknown 20:40–05:50 (marginal) 79.2° at 02:15 20.0° 1.67
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2042-10-01"

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"}.