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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 Thursday, 23 November 2045 · astronomical night 18:32 → 05:43 (11.18 h) · Moon 99% (full moon) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:30–18:00: quality 0.1M31 18:00–18:35: quality 0.2M31 18:35–18:45: quality 0.5M31 18:45–20:35: quality 0.4M31 20:35–02:45: quality 0.3M31 02:45–03:35: quality 0.2observe M31 21:10–22:00M42M42 22:00–22:10: quality 0.1M42 22:10–23:00: quality 0.2M42 23:00–03:05: quality 0.3M42 03:05–04:45: quality 0.4M42 04:45–05:25: quality 0.3M42 05:25–05:35: quality 0.2observe M42 01:20–03:05observe M42 04:55–05:05M45M45 18:25–18:35: quality 0.1M45 18:35–18:55: quality 0.2M45 18:55–21:40: quality 0.3M45 21:40–01:15: quality 0.2M45 01:15–05:15: quality 0.3M45 05:15–05:35: quality 0.2observe M45 03:05–04:55NGC 7000NGC 7000 17:30–18:00: quality 0.1NGC 7000 18:00–18:35: quality 0.3NGC 7000 18:35–19:05: quality 0.7NGC 7000 19:05–20:55: quality 0.6NGC 7000 20:55–22:50: quality 0.5NGC 7000 22:50–23:25: quality 0.4NGC 7000 23:25–23:55: quality 0.3NGC 7000 23:55–00:05: quality 0.2observe NGC 7000 18:00–19:35observe NGC 7000 22:00–23:40V1057 CygV1057 Cyg 17:30–18:00: quality 0.1V1057 Cyg 18:00–18:35: quality 0.3V1057 Cyg 18:35–19:05: quality 0.7V1057 Cyg 19:05–20:55: quality 0.6V1057 Cyg 20:55–22:50: quality 0.5V1057 Cyg 22:50–23:25: quality 0.4V1057 Cyg 23:25–23:55: quality 0.3V1057 Cyg 23:55–00:05: quality 0.2observe V1057 Cyg 19:35–21:10M33M33 17:30–18:00: quality 0.1M33 18:00–18:35: quality 0.2M33 18:35–19:40: quality 0.4M33 19:40–21:55: quality 0.3M33 21:55–03:45: quality 0.2scheduleNGC 7000V1057 CygM31NGC 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
16:50–18:00 — nothing worth pointing at — 1.17
18:00–19:35 NGC 7000 1.58 0.53
19:35–21:10 V1057 Cyg 1.58 0.59
21:10–22:00 M31 0.83 0.31
22:00–23:40 NGC 7000 1.67 0.43
23:40–01:20 — nothing worth pointing at — 1.67
01:20–03:05 M42 1.75 0.32
03:05–04:55 M45 1.83 0.32
04:55–05:05 M42 0.17 0.32
05:05–07:25 — nothing worth pointing at — 2.33

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 33 unknown 18:35–22:00 (marginal) 89.7° at 20:55 37.9° 0.83
M42 Great Orion Nebula 22 unknown 01:20–05:05 (marginal) 42.9° at 01:45 43.1° 1.92
M45 Seven Sisters 25 unknown 03:05–04:55 (marginal) 72.6° at 23:55 4.9° 1.83
NGC 7000 North America Nebula 51 unknown 18:35–20:10 (good) 87.2° at 17:10 78.0° 3.25
V1057 Cyg 51 unknown 18:35–20:10 (good) 87.3° at 17:10 78.0° 1.58
M33 Triangulum Pinwheel 25 unknown 18:35–20:35 (marginal) 79.2° at 21:45 25.6° 0.0

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2045-11-23"

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"}.