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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, 22 November 2026 · astronomical night 18:33 → 05:41 (11.14 h) · Moon 96% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:30–18:05: quality 0.1M31 18:05–18:35: quality 0.2M31 18:35–19:20: quality 0.4M31 19:20–03:15: quality 0.3M31 03:15–03:40: quality 0.2M42M42 22:05–22:30: quality 0.2M42 22:30–23:10: quality 0.3M42 23:10–01:55: quality 0.4M42 01:55–04:55: quality 0.5M42 04:55–05:20: quality 0.4M42 05:20–05:40: quality 0.3observe M42 22:50–00:50observe M42 05:25–05:35M45M45 18:30–18:35: quality 0.1M45 18:35–19:10: quality 0.2M45 19:10–01:35: quality 0.3M45 01:35–05:10: quality 0.4M45 05:10–05:40: quality 0.3observe M45 02:50–05:25NGC 7000NGC 7000 17:30–18:05: quality 0.1NGC 7000 18:05–18:35: quality 0.3NGC 7000 18:35–20:05: quality 0.6NGC 7000 20:05–22:05: quality 0.5NGC 7000 22:05–23:25: quality 0.4NGC 7000 23:25–23:55: quality 0.3NGC 7000 23:55–00:10: quality 0.2observe NGC 7000 18:05–20:05V1057 CygV1057 Cyg 17:30–18:05: quality 0.1V1057 Cyg 18:05–18:35: quality 0.3V1057 Cyg 18:35–20:05: quality 0.6V1057 Cyg 20:05–22:05: quality 0.5V1057 Cyg 22:05–23:25: quality 0.4V1057 Cyg 23:25–23:55: quality 0.3V1057 Cyg 23:55–00:10: quality 0.2observe V1057 Cyg 20:05–22:50M33M33 17:30–18:05: quality 0.1M33 18:05–18:35: quality 0.2M33 18:35–19:05: quality 0.4M33 19:05–03:30: quality 0.3M33 03:30–03:50: quality 0.2observe M33 00:50–02:50scheduleNGC 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
18:05–20:05 NGC 7000 2.0 0.51
20:05–22:50 V1057 Cyg 2.75 0.48
22:50–00:50 M42 2.0 0.37
00:50–02:50 M33 2.0 0.32
02:50–05:25 M45 2.58 0.41
05:25–05:35 M42 0.17 0.32
05:35–07:20 — nothing worth pointing at — 1.75

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 27 unknown 18:35–20:30 (marginal) 89.6° at 21:00 29.9° 0.0
M42 Great Orion Nebula 40 unknown 22:50–05:35 (marginal) 42.9° at 01:50 55.3° 2.17
M45 Seven Sisters 38 unknown 00:25–05:25 (marginal) 72.5° at 00:00 22.5° 2.58
NGC 7000 North America Nebula 43 unknown 18:35–18:40 (good) 87.3° at 17:15 69.1° 2.0
V1057 Cyg 43 unknown 18:35–18:40 (good) 87.3° at 17:15 69.1° 2.75
M33 Triangulum Pinwheel 26 unknown 00:45–03:10 (marginal) 79.1° at 21:50 15.1° 2.0

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2026-11-22"

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"}.