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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, 26 November 2028 · astronomical night 18:31 → 05:46 (11.25 h) · Moon 76% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:25–18:00: quality 0.1M31 18:00–18:05: quality 0.3M31 18:05–18:35: quality 0.2M31 18:35–02:40: quality 0.5M31 02:40–02:55: quality 0.6M31 02:55–03:15: quality 0.5M31 03:15–03:20: quality 0.4observe M31 02:00–03:00M42M42 21:45–22:00: quality 0.3M42 22:00–22:25: quality 0.4M42 22:25–22:45: quality 0.5M42 22:45–00:10: quality 0.6M42 00:10–02:40: quality 0.7M42 02:40–03:15: quality 0.9M42 03:15–04:25: quality 0.8M42 04:25–04:45: quality 0.7M42 04:45–05:00: quality 0.6M42 05:00–05:15: quality 0.5M42 05:15–05:20: quality 0.4observe M42 00:05–02:00M45M45 18:10–18:25: quality 0.1M45 18:25–18:35: quality 0.2M45 18:35–18:40: quality 0.3M45 18:40–19:05: quality 0.4M45 19:05–21:20: quality 0.5M45 21:20–00:15: quality 0.6M45 00:15–02:40: quality 0.7M45 02:40–03:45: quality 0.9M45 03:45–04:35: quality 0.8M45 04:35–04:50: quality 0.7M45 04:50–05:00: quality 0.6M45 05:00–05:15: quality 0.5M45 05:15–05:20: quality 0.4observe M45 22:10–00:05observe M45 03:35–05:20NGC 7000NGC 7000 17:25–18:00: quality 0.1NGC 7000 18:00–18:35: quality 0.3NGC 7000 18:35–20:25: quality 0.6NGC 7000 20:25–22:55: quality 0.5NGC 7000 22:55–23:25: quality 0.4NGC 7000 23:25–23:50: quality 0.3observe NGC 7000 18:00–18:15observe NGC 7000 18:35–20:15V1057 CygV1057 Cyg 17:25–18:00: quality 0.1V1057 Cyg 18:00–18:35: quality 0.3V1057 Cyg 18:35–20:25: quality 0.6V1057 Cyg 20:25–22:55: quality 0.5V1057 Cyg 22:55–23:25: quality 0.4V1057 Cyg 23:25–23:50: quality 0.3observe V1057 Cyg 20:15–22:10M33M33 17:25–18:00: quality 0.1M33 18:00–18:35: quality 0.2M33 18:35–19:00: quality 0.4M33 19:00–19:40: quality 0.5M33 19:40–20:40: quality 0.4M33 20:40–00:55: quality 0.5M33 00:55–02:35: quality 0.6M33 02:35–02:40: quality 0.5M33 02:40–02:45: quality 0.8M33 02:45–02:55: quality 0.7M33 02:55–03:10: quality 0.6M33 03:10–03:25: quality 0.5M33 03:25–03:35: quality 0.4observe M33 03:00–03:35scheduleNGC 7000V1057 CygM45M42M31M4518:0020:0022:0000:0002:0004:0006:00

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
18:00–18:15 NGC 7000 0.25 0.3
18:15–18:35 — nothing worth pointing at — 0.33
18:35–20:15 NGC 7000 1.67 0.58
20:15–22:10 V1057 Cyg 1.92 0.53
22:10–00:05 M45 1.92 0.61
00:05–02:00 M42 1.92 0.69
02:00–03:00 M31 1.0 0.55
03:00–03:35 M33 0.58 0.5
03:35–05:20 M45 1.75 0.72
05:20–07:25 — nothing worth pointing at — 2.08

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 64 unknown 02:40–02:50 (good) 89.7° at 20:40 34.4° 1.0
M42 Great Orion Nebula 87 unknown 23:15–04:50 (good) 42.9° at 01:30 80.4° 1.92
M45 Seven Sisters 93 unknown 22:50–04:55 (good) 72.5° at 23:45 52.8° 3.67
NGC 7000 North America Nebula 43 unknown 18:35–23:40 (marginal) 87.2° at 16:55 56.6° 1.92
V1057 Cyg 43 unknown 18:35–23:40 (marginal) 87.3° at 16:55 56.6° 1.92
M33 Triangulum Pinwheel 75 unknown 02:40–03:05 (good) 79.1° at 21:30 29.4° 0.58
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2028-11-26"

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"}.