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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 Sunday, 03 December 2028 · astronomical night 18:30 → 05:52 (11.37 h) · Moon 96% (waning gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:25–17:35: quality 0.1M31 17:35–18:00: quality 0.2M31 18:00–18:05: quality 0.5M31 18:05–18:35: quality 0.4M31 18:35–20:35: quality 0.7M31 20:35–23:10: quality 0.6M31 23:10–00:55: quality 0.5M31 00:55–02:10: quality 0.4M31 02:10–02:40: quality 0.3M31 02:40–02:55: quality 0.2observe M31 21:30–23:15M42M42 21:20–22:00: quality 0.2M42 22:00–00:05: quality 0.3M42 00:05–04:45: quality 0.2M42 04:45–04:55: quality 0.1M45M45 17:45–18:00: quality 0.1M45 18:00–18:05: quality 0.3M45 18:05–18:35: quality 0.2M45 18:35–20:45: quality 0.5M45 20:45–23:00: quality 0.4M45 23:00–04:00: quality 0.3M45 04:00–04:50: quality 0.2M45 04:50–04:55: quality 0.1NGC 7000NGC 7000 17:25–18:00: quality 0.2NGC 7000 18:00–18:05: quality 0.5NGC 7000 18:05–18:35: quality 0.4NGC 7000 18:35–18:45: quality 0.9NGC 7000 18:45–20:20: quality 0.8NGC 7000 20:20–21:45: quality 0.7NGC 7000 21:45–22:30: quality 0.6NGC 7000 22:30–22:50: quality 0.5NGC 7000 22:50–23:15: quality 0.4NGC 7000 23:15–23:25: quality 0.3observe NGC 7000 18:00–19:45V1057 CygV1057 Cyg 17:25–18:00: quality 0.2V1057 Cyg 18:00–18:05: quality 0.5V1057 Cyg 18:05–18:35: quality 0.4V1057 Cyg 18:35–18:45: quality 0.9V1057 Cyg 18:45–20:20: quality 0.8V1057 Cyg 20:20–21:45: quality 0.7V1057 Cyg 21:45–22:30: quality 0.6V1057 Cyg 22:30–22:50: quality 0.5V1057 Cyg 22:50–23:10: quality 0.4V1057 Cyg 23:10–23:25: quality 0.3observe V1057 Cyg 19:45–21:30M33M33 17:25–18:00: quality 0.1M33 18:00–18:05: quality 0.5M33 18:05–18:35: quality 0.3M33 18:35–19:50: quality 0.7M33 19:50–22:05: quality 0.6M33 22:05–00:20: quality 0.5M33 00:20–02:15: quality 0.4M33 02:15–02:45: quality 0.3M33 02:45–03:05: quality 0.2observe M33 23:15–02:30scheduleNGC 7000V1057 CygM31M3318:0020:0022:0000:0002:0004:0006:00

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
18:00–19:45 NGC 7000 1.75 0.7
19:45–21:30 V1057 Cyg 1.75 0.73
21:30–23:15 M31 1.75 0.58
23:15–02:30 M33 3.25 0.43
02:30–07:35 — nothing worth pointing at — 5.08

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 73 unknown 18:35–21:50 (good) 89.5° at 20:15 70.3° 1.75
M42 Great Orion Nebula 13 unknown — 42.9° at 01:05 31.6° 0.0
M45 Seven Sisters 44 unknown 18:35–00:25 (marginal) 72.5° at 23:15 35.0° 0.0
NGC 7000 North America Nebula 77 unknown 18:35–22:20 (good) 87.2° at 16:30 102.5° 1.75
V1057 Cyg 77 unknown 18:35–22:20 (good) 87.3° at 16:30 102.5° 1.75
M33 Triangulum Pinwheel 70 unknown 18:35–20:55 (good) 79.1° at 21:05 62.9° 3.25

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2028-12-03"

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"}.