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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 Tuesday, 26 December 2028 · astronomical night 18:37 → 06:06 (11.49 h) · Moon 77% (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 18:40–00:45: quality 0.4M31 00:45–01:20: quality 0.3M31 01:20–01:25: quality 0.2observe M31 00:35–01:00M42M42 19:50–20:00: quality 0.2M42 20:00–20:30: quality 0.3M42 20:30–21:25: quality 0.4M42 21:25–00:30: quality 0.5M42 00:30–02:25: quality 0.6M42 02:25–02:50: quality 0.5M42 02:50–03:15: quality 0.4M42 03:15–03:25: quality 0.3observe M42 21:25–23:00observe M42 03:20–03:25M45M45 17:30–18:05: quality 0.1M45 18:05–18:40: quality 0.2M45 18:40–22:40: quality 0.4M45 22:40–02:45: quality 0.5M45 02:45–03:05: quality 0.4M45 03:05–03:25: quality 0.3observe M45 01:00–03:20NGC 7000NGC 7000 17:30–18:05: quality 0.1NGC 7000 18:05–18:40: quality 0.3NGC 7000 18:40–19:25: quality 0.6NGC 7000 19:25–21:00: quality 0.5NGC 7000 21:00–21:25: quality 0.4NGC 7000 21:25–21:55: quality 0.3observe NGC 7000 18:40–20:15V1057 CygV1057 Cyg 17:30–18:05: quality 0.1V1057 Cyg 18:05–18:40: quality 0.3V1057 Cyg 18:40–19:25: quality 0.6V1057 Cyg 19:25–21:00: quality 0.5V1057 Cyg 21:00–21:25: quality 0.4V1057 Cyg 21:25–21:55: quality 0.3observe V1057 Cyg 18:05–18:30observe V1057 Cyg 20:15–21:25M33M33 17:30–18:05: quality 0.1M33 18:05–18:40: quality 0.2M33 18:40–01:00: quality 0.4M33 01:00–01:30: quality 0.3M33 01:30–01:35: quality 0.2observe M33 23:00–00:35scheduleNGC 7000V1057 CygM42M33M4518:0020:0022:0000:0002:0004:0006:00

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
18:05–18:30 V1057 Cyg 0.42 0.31
18:30–18:40 — nothing worth pointing at — 0.17
18:40–20:15 NGC 7000 1.58 0.55
20:15–21:25 V1057 Cyg 1.17 0.46
21:25–23:00 M42 1.58 0.48
23:00–00:35 M33 1.58 0.43
00:35–01:00 M31 0.42 0.34
01:00–03:20 M45 2.33 0.47
03:20–03:25 M42 0.08 0.31
03:25–07:50 — nothing worth pointing at — 4.42

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 31 unknown 18:40–01:00 (marginal) 89.5° at 18:45 30.4° 0.42
M42 Great Orion Nebula 51 unknown 20:15–03:25 (marginal) 42.9° at 23:35 54.0° 1.67
M45 Seven Sisters 51 unknown 18:40–03:20 (marginal) 72.5° at 21:45 20.8° 2.33
NGC 7000 North America Nebula 26 unknown 18:40–21:40 (marginal) 87.2° at 15:00 70.0° 1.58
V1057 Cyg 26 unknown 18:40–21:40 (marginal) 87.3° at 15:00 70.0° 1.58
M33 Triangulum Pinwheel 32 unknown 18:40–01:15 (marginal) 79.1° at 19:35 15.6° 1.58
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2028-12-26"

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"}.