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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 December 2047 · astronomical night 18:38 → 06:07 (11.49 h) · Moon 90% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:30–18:05: quality 0.1M31 18:05–18:40: quality 0.2M31 18:40–22:45: quality 0.4M31 22:45–00:55: quality 0.3M31 00:55–01:20: quality 0.2observe M31 22:15–23:45M42M42 19:45–20:30: quality 0.2M42 20:30–00:05: quality 0.3M42 00:05–02:35: quality 0.4M42 02:35–03:10: quality 0.3M42 03:10–03:20: quality 0.2observe M42 23:45–01:15observe M42 02:50–02:55M45M45 17:30–18:05: quality 0.1M45 18:05–18:40: quality 0.2M45 18:40–01:00: quality 0.3M45 01:00–02:35: quality 0.4M45 02:35–03:05: quality 0.3M45 03:05–03:20: quality 0.2observe M45 01:15–02:50NGC 7000NGC 7000 17:30–18:05: quality 0.1NGC 7000 18:05–18:40: quality 0.3NGC 7000 18:40–19:45: quality 0.6NGC 7000 19:45–20:55: quality 0.5NGC 7000 20:55–21:20: quality 0.4NGC 7000 21:20–21:50: quality 0.3observe NGC 7000 19:35–21:05V1057 CygV1057 Cyg 17:30–18:05: quality 0.1V1057 Cyg 18:05–18:40: quality 0.3V1057 Cyg 18:40–19:45: quality 0.6V1057 Cyg 19:45–20:55: quality 0.5V1057 Cyg 20:55–21:20: quality 0.4V1057 Cyg 21:20–21:50: quality 0.3observe V1057 Cyg 18:05–19:35M33M33 17:30–18:05: quality 0.1M33 18:05–18:40: quality 0.2M33 18:40–19:15: quality 0.4M33 19:15–00:55: quality 0.3M33 00:55–01:30: quality 0.2observe M33 21:05–22:15scheduleV1057 CygNGC 7000M33M31M42M4518:0020:0022:0000:0002:0004:0006:00

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
16:55–18:05 — nothing worth pointing at — 1.17
18:05–19:35 V1057 Cyg 1.5 0.48
19:35–21:05 NGC 7000 1.5 0.51
21:05–22:15 M33 1.17 0.31
22:15–23:45 M31 1.5 0.35
23:45–01:15 M42 1.5 0.36
01:15–02:50 M45 1.58 0.36
02:50–02:55 M42 0.08 0.31
02:55–07:50 — nothing worth pointing at — 4.92

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 28 unknown 18:40–00:35 (marginal) 89.6° at 18:40 42.7° 1.5
M42 Great Orion Nebula 24 unknown 21:45–02:55 (marginal) 42.9° at 23:30 38.6° 1.58
M45 Seven Sisters 27 unknown 18:40–02:50 (marginal) 72.6° at 21:40 1.1° 1.58
NGC 7000 North America Nebula 28 unknown 18:40–18:55 (good) 87.2° at 14:55 82.4° 1.5
V1057 Cyg 28 unknown 18:40–18:55 (good) 87.2° at 14:55 82.4° 1.5
M33 Triangulum Pinwheel 21 unknown 18:40–22:15 (marginal) 79.2° at 19:30 30.9° 1.17
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2047-12-28"

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"}.