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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, 30 August 2042 · astronomical night 21:36 → 05:06 (7.51 h) · Moon 100% (full moon) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 21:05–21:40: quality 0.2M31 21:40–00:45: quality 0.5M31 00:45–01:00: quality 0.6M31 01:00–01:50: quality 0.5M31 01:50–05:10: quality 0.6M31 05:10–05:45: quality 0.3M31 05:45–06:20: quality 0.1observe M31 00:05–01:35M42M42 04:35–04:40: quality 0.3M42 04:40–05:00: quality 0.4M42 05:00–05:10: quality 0.5M42 05:10–05:45: quality 0.3M42 05:45–06:20: quality 0.1observe M42 04:35–05:10observe M42 05:40–05:45M45M45 01:00–01:15: quality 0.3M45 01:15–01:35: quality 0.4M45 01:35–02:00: quality 0.5M45 02:00–03:40: quality 0.6M45 03:40–05:10: quality 0.7M45 05:10–05:45: quality 0.4M45 05:45–06:20: quality 0.1observe M45 03:05–04:35observe M45 05:10–05:40NGC 7000NGC 7000 20:30–21:05: quality 0.1NGC 7000 21:05–21:40: quality 0.3NGC 7000 21:40–00:40: quality 0.6NGC 7000 00:40–02:10: quality 0.5NGC 7000 02:10–02:45: quality 0.6NGC 7000 02:45–05:10: quality 0.5NGC 7000 05:10–05:40: quality 0.3NGC 7000 05:40–05:45: quality 0.2NGC 7000 05:45–06:20: quality 0.1observe NGC 7000 21:05–22:35V1057 CygV1057 Cyg 20:30–21:05: quality 0.1V1057 Cyg 21:05–21:40: quality 0.3V1057 Cyg 21:40–00:40: quality 0.6V1057 Cyg 00:40–02:10: quality 0.5V1057 Cyg 02:10–02:45: quality 0.6V1057 Cyg 02:45–05:10: quality 0.5V1057 Cyg 05:10–05:35: quality 0.3V1057 Cyg 05:35–05:45: quality 0.2V1057 Cyg 05:45–06:20: quality 0.1observe V1057 Cyg 22:35–00:05M33M33 22:25–22:50: quality 0.3M33 22:50–23:20: quality 0.4M33 23:20–02:10: quality 0.5M33 02:10–05:10: quality 0.6M33 05:10–05:45: quality 0.3M33 05:45–06:20: quality 0.1observe M33 01:35–03:05scheduleNGC 7000V1057 CygM31M33M4520:0022:0000:0002:0004:0006:00

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
19:55–21:05 — nothing worth pointing at — 1.17
21:05–22:35 NGC 7000 1.5 0.5
22:35–00:05 V1057 Cyg 1.5 0.58
00:05–01:35 M31 1.5 0.55
01:35–03:05 M33 1.5 0.55
03:05–04:35 M45 1.5 0.67
04:35–05:10 M42 0.58 0.42
05:10–05:40 M45 0.5 0.37
05:40–05:45 M42 0.08 0.34
05:45–06:50 — nothing worth pointing at — 1.08

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 63 unknown 04:15–05:10 (good) 89.7° at 03:30 61.6° 1.5
M42 Great Orion Nebula 6 unknown 04:35–05:10 (marginal) 42.9° at 08:20 103.5° 0.67
M45 Seven Sisters 51 unknown 02:55–05:10 (good) 72.5° at 06:30 84.5° 2.0
NGC 7000 North America Nebula 63 unknown 21:40–22:35 (good) 87.2° at 23:45 61.1° 1.5
V1057 Cyg 63 unknown 21:40–22:35 (good) 87.3° at 23:45 61.1° 1.5
M33 Triangulum Pinwheel 59 unknown 04:20–05:10 (good) 79.2° at 04:20 61.1° 1.5
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2042-08-30"

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"}.