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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, 07 December 2028 · astronomical night 18:30 → 05:55 (11.43 h) · Moon 65% (waning gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:25–18:00: quality 0.2M31 18:00–18:35: quality 0.5M31 18:35–22:45: quality 1.0M31 22:45–23:55: quality 0.9M31 23:55–01:20: quality 0.8M31 01:20–01:50: quality 0.7M31 01:50–02:05: quality 0.6M31 02:05–02:25: quality 0.5M31 02:25–02:40: quality 0.4observe M31 21:40–23:30M42M42 21:05–21:10: quality 0.4M42 21:10–21:25: quality 0.5M42 21:25–21:45: quality 0.6M42 21:45–22:00: quality 0.7M42 22:00–22:45: quality 0.8M42 22:45–01:40: quality 0.7M42 01:40–03:35: quality 0.6M42 03:35–04:00: quality 0.5M42 04:00–04:25: quality 0.4M42 04:25–04:40: quality 0.3observe M42 03:10–04:35M45M45 17:25–18:00: quality 0.1M45 18:00–18:10: quality 0.3M45 18:10–18:35: quality 0.4M45 18:35–19:00: quality 0.8M45 19:00–20:25: quality 0.9M45 20:25–22:45: quality 1.0M45 22:45–00:05: quality 0.9M45 00:05–02:05: quality 0.8M45 02:05–03:25: quality 0.7M45 03:25–04:00: quality 0.6M45 04:00–04:15: quality 0.5M45 04:15–04:30: quality 0.4M45 04:30–04:40: quality 0.3observe M45 01:20–03:10observe M45 04:35–04:40NGC 7000NGC 7000 17:25–18:00: quality 0.2NGC 7000 18:00–18:35: quality 0.5NGC 7000 18:35–19:45: quality 1.0NGC 7000 19:45–21:15: quality 0.9NGC 7000 21:15–22:10: quality 0.8NGC 7000 22:10–22:25: quality 0.7NGC 7000 22:25–22:40: quality 0.6NGC 7000 22:40–22:55: quality 0.5NGC 7000 22:55–23:10: quality 0.4observe NGC 7000 18:00–19:50V1057 CygV1057 Cyg 17:25–18:00: quality 0.2V1057 Cyg 18:00–18:35: quality 0.5V1057 Cyg 18:35–19:45: quality 1.0V1057 Cyg 19:45–21:15: quality 0.9V1057 Cyg 21:15–22:10: quality 0.8V1057 Cyg 22:10–22:25: quality 0.7V1057 Cyg 22:25–22:40: quality 0.6V1057 Cyg 22:40–22:55: quality 0.5V1057 Cyg 22:55–23:10: quality 0.4observe V1057 Cyg 19:50–21:40M33M33 17:25–18:00: quality 0.1M33 18:00–18:35: quality 0.5M33 18:35–22:45: quality 1.0M33 22:45–00:15: quality 0.9M33 00:15–01:30: quality 0.8M33 01:30–02:05: quality 0.7M33 02:05–02:20: quality 0.6M33 02:20–02:35: quality 0.5M33 02:35–02:50: quality 0.4observe M33 23:30–01:20scheduleNGC 7000V1057 CygM31M33M45M4218:0020:0022:0000:0002:0004:0006:00

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
18:00–19:50 NGC 7000 1.83 0.83
19:50–21:40 V1057 Cyg 1.83 0.88
21:40–23:30 M31 1.83 0.96
23:30–01:20 M33 1.83 0.83
01:20–03:10 M45 1.83 0.74
03:10–04:35 M42 1.42 0.47
04:35–04:40 M45 0.08 0.32
04:40–07:40 — nothing worth pointing at — 3.0

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 100 unknown 18:35–01:55 (good) 89.5° at 19:55 118.0° 1.83
M42 Great Orion Nebula 83 unknown 21:35–02:45 (good) 42.9° at 00:50 67.5° 1.42
M45 Seven Sisters 100 unknown 18:35–03:50 (good) 72.5° at 23:00 89.8° 1.92
NGC 7000 North America Nebula 100 unknown 18:35–22:35 (good) 87.2° at 16:15 125.6° 1.83
V1057 Cyg 100 unknown 18:35–22:35 (good) 87.3° at 16:15 125.7° 1.83
M33 Triangulum Pinwheel 100 unknown 18:35–02:10 (good) 79.1° at 20:50 115.7° 1.83
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2028-12-07"

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"}.