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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, 28 October 2045 · astronomical night 19:53 → 05:16 (10.37 h) · Moon 90% (waning gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 18:50–19:25: quality 0.1M31 19:25–19:35: quality 0.4M31 19:35–19:45: quality 0.5M31 19:45–19:55: quality 0.3M31 19:55–22:55: quality 0.6M31 22:55–01:35: quality 0.5M31 01:35–04:10: quality 0.4M31 04:10–04:55: quality 0.3M31 04:55–05:20: quality 0.2observe M31 23:05–00:55M42M42 00:40–01:30: quality 0.2M42 01:30–05:20: quality 0.3M42 05:20–05:50: quality 0.2observe M42 04:20–05:20M45M45 21:05–21:15: quality 0.2M45 21:15–21:45: quality 0.3M45 21:45–00:55: quality 0.4M45 00:55–05:20: quality 0.3M45 05:20–05:50: quality 0.2NGC 7000NGC 7000 18:50–19:25: quality 0.2NGC 7000 19:25–19:45: quality 0.5NGC 7000 19:45–19:55: quality 0.4NGC 7000 19:55–22:20: quality 0.8NGC 7000 22:20–23:50: quality 0.7NGC 7000 23:50–01:25: quality 0.6NGC 7000 01:25–02:00: quality 0.5NGC 7000 02:00–02:25: quality 0.4NGC 7000 02:25–02:45: quality 0.3observe NGC 7000 19:25–21:15V1057 CygV1057 Cyg 18:50–19:25: quality 0.2V1057 Cyg 19:25–19:45: quality 0.5V1057 Cyg 19:45–19:55: quality 0.4V1057 Cyg 19:55–22:20: quality 0.8V1057 Cyg 22:20–23:50: quality 0.7V1057 Cyg 23:50–01:25: quality 0.6V1057 Cyg 01:25–02:00: quality 0.5V1057 Cyg 02:00–02:25: quality 0.4V1057 Cyg 02:25–02:45: quality 0.3observe V1057 Cyg 21:15–23:05M33M33 18:50–19:25: quality 0.1M33 19:25–19:45: quality 0.4M33 19:45–19:55: quality 0.3M33 19:55–21:45: quality 0.6M33 21:45–00:05: quality 0.5M33 00:05–03:20: quality 0.4M33 03:20–04:55: quality 0.3M33 04:55–05:20: quality 0.2M33 05:20–05:30: quality 0.1observe M33 00:55–04:20scheduleNGC 7000V1057 CygM31M33M4220:0022:0000:0002:0004:0006:00

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
18:20–19:25 — nothing worth pointing at — 1.08
19:25–21:15 NGC 7000 1.83 0.71
21:15–23:05 V1057 Cyg 1.83 0.75
23:05–00:55 M31 1.83 0.5
00:55–04:20 M33 4.42 0.36
04:20–05:20 M42 1.0 0.31
05:20–06:50 — nothing worth pointing at — 1.5

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 65 unknown 19:55–21:55 (good) 89.8° at 23:35 50.6° 1.83
M42 Great Orion Nebula 13 unknown 04:20–05:20 (marginal) 42.9° at 03:25 34.7° 1.0
M45 Seven Sisters 32 unknown 21:30–02:45 (marginal) 72.6° at 02:40 12.9° 0.0
NGC 7000 North America Nebula 82 unknown 19:55–00:35 (good) 87.2° at 19:50 87.8° 1.83
V1057 Cyg 82 unknown 19:55–00:35 (good) 87.2° at 19:50 87.9° 1.83
M33 Triangulum Pinwheel 56 unknown 19:55–04:35 (marginal) 79.2° at 00:25 41.2° 4.42

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2045-10-28"

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"}.