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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, 02 December 2028 · astronomical night 18:30 → 05:51 (11.36 h) · Moon 99% (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 18:35–20:20: quality 0.6M31 20:20–23:00: quality 0.5M31 23:00–01:35: quality 0.4M31 01:35–02:30: quality 0.3M31 02:30–03:00: quality 0.2observe M31 21:55–23:35M42M42 21:25–21:35: quality 0.1M42 21:35–04:55: quality 0.2M42 04:55–05:00: quality 0.1M45M45 18:00–18:10: quality 0.1M45 18:10–18:35: quality 0.2M45 18:35–20:40: quality 0.4M45 20:40–23:15: quality 0.3M45 23:15–04:55: quality 0.2M45 04:55–05:00: quality 0.1observe M45 21:20–21:55NGC 7000NGC 7000 17:25–18:00: quality 0.1NGC 7000 18:00–18:35: quality 0.4NGC 7000 18:35–19:35: quality 0.8NGC 7000 19:35–20:50: quality 0.7NGC 7000 20:50–22:20: quality 0.6NGC 7000 22:20–22:45: quality 0.5NGC 7000 22:45–23:10: quality 0.4NGC 7000 23:10–23:30: quality 0.3observe NGC 7000 19:40–21:20V1057 CygV1057 Cyg 17:25–18:00: quality 0.1V1057 Cyg 18:00–18:35: quality 0.4V1057 Cyg 18:35–19:35: quality 0.8V1057 Cyg 19:35–20:55: quality 0.7V1057 Cyg 20:55–22:20: quality 0.6V1057 Cyg 22:20–22:45: quality 0.5V1057 Cyg 22:45–23:10: quality 0.4V1057 Cyg 23:10–23:30: quality 0.3observe V1057 Cyg 18:00–19:40M33M33 17:25–18:00: quality 0.1M33 18:00–18:35: quality 0.3M33 18:35–19:25: quality 0.6M33 19:25–21:25: quality 0.5M33 21:25–00:10: quality 0.4M33 00:10–02:30: quality 0.3M33 02:30–03:10: quality 0.2observe M33 23:35–02:10scheduleV1057 CygNGC 7000M31M3318:0020:0022:0000:0002:0004:0006:00

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
18:00–19:40 V1057 Cyg 1.67 0.64
19:40–21:20 NGC 7000 1.67 0.68
21:20–21:55 M45 0.58 0.32
21:55–23:35 M31 1.67 0.45
23:35–02:10 M33 2.58 0.33
02:10–07:35 — nothing worth pointing at — 5.42

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 63 unknown 18:35–19:15 (good) 89.6° at 20:15 59.1° 1.67
M42 Great Orion Nebula 9 unknown — 42.9° at 01:10 30.7° 0.0
M45 Seven Sisters 29 unknown 18:35–21:55 (marginal) 72.5° at 23:20 21.8° 0.58
NGC 7000 North America Nebula 66 unknown 18:35–21:35 (good) 87.2° at 16:35 94.7° 1.67
V1057 Cyg 66 unknown 18:35–21:35 (good) 87.3° at 16:35 94.8° 1.67
M33 Triangulum Pinwheel 53 unknown 18:35–02:10 (marginal) 79.1° at 21:10 50.3° 2.58

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2028-12-02"

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"}.