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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, 13 December 2035 · astronomical night 18:31 → 05:59 (11.48 h) · Moon 98% (full moon) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:25–18:00: quality 0.1M31 18:00–18:35: quality 0.3M31 18:35–20:45: quality 0.5M31 20:45–00:55: quality 0.4M31 00:55–01:55: quality 0.3M31 01:55–02:20: quality 0.2observe M31 21:00–22:30observe M31 00:05–01:35M42M42 20:45–21:00: quality 0.1M42 21:00–01:00: quality 0.2M42 01:00–03:50: quality 0.3M42 03:50–04:20: quality 0.2M45M45 17:45–18:00: quality 0.1M45 18:00–18:35: quality 0.2M45 18:35–19:05: quality 0.4M45 19:05–03:55: quality 0.3M45 03:55–04:20: quality 0.2observe M45 02:25–03:35NGC 7000NGC 7000 17:25–18:00: quality 0.1NGC 7000 18:00–18:35: quality 0.4NGC 7000 18:35–19:55: quality 0.7NGC 7000 19:55–21:30: quality 0.6NGC 7000 21:30–22:00: quality 0.5NGC 7000 22:00–22:25: quality 0.4NGC 7000 22:25–22:50: quality 0.3observe NGC 7000 18:00–19:30V1057 CygV1057 Cyg 17:25–18:00: quality 0.1V1057 Cyg 18:00–18:35: quality 0.4V1057 Cyg 18:35–19:55: quality 0.7V1057 Cyg 19:55–21:30: quality 0.6V1057 Cyg 21:30–22:00: quality 0.5V1057 Cyg 22:00–22:25: quality 0.4V1057 Cyg 22:25–22:50: quality 0.3observe V1057 Cyg 19:30–21:00M33M33 17:25–18:00: quality 0.1M33 18:00–18:20: quality 0.3M33 18:20–18:35: quality 0.2M33 18:35–19:10: quality 0.5M33 19:10–21:30: quality 0.4M33 21:30–01:50: quality 0.3M33 01:50–02:30: quality 0.2observe M33 22:30–00:05scheduleNGC 7000V1057 CygM31M33M31M4518:0020:0022:0000:0002:0004:0006:00

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
18:00–19:30 NGC 7000 1.5 0.58
19:30–21:00 V1057 Cyg 1.5 0.63
21:00–22:30 M31 1.5 0.42
22:30–00:05 M33 1.58 0.32
00:05–01:35 M31 1.5 0.35
01:35–02:25 — nothing worth pointing at — 0.83
02:25–03:35 M45 1.17 0.31
03:35–07:40 — nothing worth pointing at — 4.08

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 45 unknown 18:35–01:35 (marginal) 89.6° at 19:35 52.8° 3.0
M42 Great Orion Nebula 14 unknown 02:50–03:20 (marginal) 42.9° at 00:30 28.5° 0.0
M45 Seven Sisters 27 unknown 18:35–21:00 (marginal) 72.5° at 22:40 11.2° 1.17
NGC 7000 North America Nebula 51 unknown 18:35–20:40 (good) 87.2° at 15:55 92.5° 1.5
V1057 Cyg 51 unknown 18:35–20:40 (good) 87.3° at 15:55 92.5° 1.5
M33 Triangulum Pinwheel 35 unknown 18:35–00:05 (marginal) 79.1° at 20:30 40.6° 1.58

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2035-12-13"

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"}.