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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, 26 November 2026 · astronomical night 18:31 → 05:45 (11.23 h) · Moon 92% (waning gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:25–18:00: quality 0.1M31 18:00–18:35: quality 0.5M31 18:35–19:00: quality 0.8M31 19:00–21:35: quality 0.7M31 21:35–00:00: quality 0.6M31 00:00–01:50: quality 0.5M31 01:50–02:45: quality 0.4M31 02:45–03:15: quality 0.3M31 03:15–03:25: quality 0.2observe M31 21:10–22:45observe M31 02:20–03:00M42M42 21:50–22:15: quality 0.2M42 22:15–04:30: quality 0.3M42 04:30–05:20: quality 0.2M42 05:20–05:25: quality 0.1M45M45 18:15–18:25: quality 0.2M45 18:25–18:35: quality 0.3M45 18:35–18:55: quality 0.4M45 18:55–22:15: quality 0.5M45 22:15–00:40: quality 0.4M45 00:40–04:40: quality 0.3M45 04:40–05:25: quality 0.2observe M45 00:20–02:20NGC 7000NGC 7000 17:25–18:00: quality 0.2NGC 7000 18:00–18:35: quality 0.5NGC 7000 18:35–19:15: quality 0.9NGC 7000 19:15–20:55: quality 0.8NGC 7000 20:55–22:15: quality 0.7NGC 7000 22:15–23:00: quality 0.6NGC 7000 23:00–23:20: quality 0.5NGC 7000 23:20–23:45: quality 0.4NGC 7000 23:45–23:55: quality 0.3observe NGC 7000 18:00–19:35V1057 CygV1057 Cyg 17:25–18:00: quality 0.2V1057 Cyg 18:00–18:35: quality 0.5V1057 Cyg 18:35–19:15: quality 0.9V1057 Cyg 19:15–20:55: quality 0.8V1057 Cyg 20:55–22:15: quality 0.7V1057 Cyg 22:15–23:00: quality 0.6V1057 Cyg 23:00–23:20: quality 0.5V1057 Cyg 23:20–23:40: quality 0.4V1057 Cyg 23:40–23:55: quality 0.3observe V1057 Cyg 19:35–21:10M33M33 17:25–18:00: quality 0.1M33 18:00–18:35: quality 0.5M33 18:35–20:50: quality 0.7M33 20:50–23:25: quality 0.6M33 23:25–01:20: quality 0.5M33 01:20–02:50: quality 0.4M33 02:50–03:20: quality 0.3M33 03:20–03:35: quality 0.2observe M33 22:45–00:20observe M33 03:00–03:05scheduleNGC 7000V1057 CygM31M33M4518:0020:0022:0000:0002:0004:0006:00

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
18:00–19:35 NGC 7000 1.58 0.72
19:35–21:10 V1057 Cyg 1.58 0.79
21:10–22:45 M31 1.58 0.64
22:45–00:20 M33 1.58 0.54
00:20–02:20 M45 2.0 0.34
02:20–03:00 M31 0.67 0.36
03:00–03:05 M33 0.08 0.31
03:05–07:25 — nothing worth pointing at — 4.33

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 76 unknown 18:35–23:00 (good) 89.5° at 20:40 70.6° 2.25
M42 Great Orion Nebula 17 unknown 22:40–00:20 (marginal) 42.9° at 01:35 35.1° 0.0
M45 Seven Sisters 50 unknown 18:35–02:45 (marginal) 72.5° at 23:45 37.2° 2.0
NGC 7000 North America Nebula 86 unknown 18:35–22:50 (good) 87.2° at 17:00 101.2° 1.58
V1057 Cyg 86 unknown 18:35–22:50 (good) 87.3° at 17:00 101.2° 1.58
M33 Triangulum Pinwheel 71 unknown 18:35–22:00 (good) 79.1° at 21:35 64.1° 1.67

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2026-11-26"

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"}.