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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, 08 January 2033 · astronomical night 18:47 → 06:08 (11.35 h) · Moon 59% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:40–18:15: quality 0.1M31 18:15–18:50: quality 0.3M31 18:50–23:25: quality 0.6M31 23:25–23:55: quality 0.5M31 23:55–00:20: quality 0.4M31 00:20–00:35: quality 0.3observe M31 23:50–00:25M42M42 19:00–19:15: quality 0.3M42 19:15–19:40: quality 0.4M42 19:40–20:05: quality 0.5M42 20:05–22:35: quality 0.6M42 22:35–01:30: quality 0.7M42 01:30–01:35: quality 0.6M42 01:35–01:55: quality 0.7M42 01:55–02:10: quality 0.6M42 02:10–02:25: quality 0.5M42 02:25–02:35: quality 0.4observe M42 22:25–23:50M45M45 17:40–18:15: quality 0.1M45 18:15–18:50: quality 0.3M45 18:50–22:45: quality 0.6M45 22:45–23:45: quality 0.7M45 23:45–01:35: quality 0.6M45 01:35–01:45: quality 0.8M45 01:45–02:00: quality 0.7M45 02:00–02:15: quality 0.6M45 02:15–02:25: quality 0.5M45 02:25–02:35: quality 0.4observe M45 00:25–02:35NGC 7000NGC 7000 17:40–18:15: quality 0.1NGC 7000 18:15–18:50: quality 0.3NGC 7000 18:50–20:00: quality 0.6NGC 7000 20:00–20:25: quality 0.5NGC 7000 20:25–20:50: quality 0.4NGC 7000 20:50–21:05: quality 0.3NGC 7000 07:15–07:20: quality 0.1observe NGC 7000 18:15–19:40V1057 CygV1057 Cyg 17:40–18:15: quality 0.1V1057 Cyg 18:15–18:50: quality 0.3V1057 Cyg 18:50–20:00: quality 0.6V1057 Cyg 20:00–20:25: quality 0.5V1057 Cyg 20:25–20:50: quality 0.4V1057 Cyg 20:50–21:00: quality 0.3V1057 Cyg 07:15–07:20: quality 0.1observe V1057 Cyg 19:40–21:00M33M33 17:40–18:15: quality 0.1M33 18:15–18:50: quality 0.3M33 18:50–23:45: quality 0.6M33 23:45–00:10: quality 0.5M33 00:10–00:30: quality 0.4M33 00:30–00:45: quality 0.3observe M33 21:00–22:25scheduleNGC 7000V1057 CygM33M42M4518:0020:0022:0000:0002:0004:0006:00

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
17:05–18:15 — nothing worth pointing at — 1.17
18:15–19:40 NGC 7000 1.42 0.49
19:40–21:00 V1057 Cyg 1.33 0.47
21:00–22:25 M33 1.42 0.58
22:25–23:50 M42 1.42 0.66
23:50–00:25 M31 0.58 0.4
00:25–02:35 M45 2.17 0.62
02:35–07:50 — nothing worth pointing at — 5.25

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 50 unknown 18:50–00:30 (marginal) 89.6° at 17:50 33.6° 0.58
M42 Great Orion Nebula 75 unknown 21:10–02:00 (good) 42.9° at 22:45 58.8° 1.42
M45 Seven Sisters 80 unknown 21:05–02:05 (good) 72.6° at 20:55 31.1° 2.17
NGC 7000 North America Nebula 22 unknown 18:50–19:25 (good) 87.2° at 14:10 69.8° 1.42
V1057 Cyg 21 unknown 18:50–19:25 (good) 87.3° at 14:10 69.8° 1.33
M33 Triangulum Pinwheel 51 unknown 18:50–00:40 (marginal) 79.1° at 18:45 20.0° 1.42
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2033-01-08"

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"}.