IT Consulting

← single target

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.

Try: an autumn deep-sky night  ·  ← previous night · next night →

Night of Sunday, 28 December 2025 · astronomical night 18:38 → 06:07 (11.48 h) · Moon 62% (waxing gibbous) · weather: ERA5 history

M31M31 19:00–20:00: quality 0.4M31 20:00–21:00: quality 0.5M31 21:00–22:00: quality 0.4M31 22:00–23:00: quality 0.1M31 23:00–00:00: quality 0.3M31 00:00–00:30: quality 0.5M31 00:30–00:55: quality 0.4M31 00:55–01:15: quality 0.3M42M42 19:40–20:00: quality 0.2M42 20:00–20:25: quality 0.4M42 20:25–20:50: quality 0.5M42 20:50–21:00: quality 0.6M42 21:00–21:10: quality 0.4M42 21:10–22:00: quality 0.5M42 22:00–23:00: quality 0.2M42 23:00–00:00: quality 0.4M42 00:00–00:20: quality 0.6M42 00:20–01:50: quality 0.7M42 01:50–02:20: quality 0.8M42 02:20–02:40: quality 0.7M42 02:40–02:55: quality 0.6M42 02:55–03:10: quality 0.5M42 03:10–03:15: quality 0.4observe M42 23:00–00:15M45M45 19:00–20:00: quality 0.4M45 20:00–21:00: quality 0.6M45 21:00–22:00: quality 0.5M45 22:00–23:00: quality 0.2M45 23:00–00:00: quality 0.4M45 00:00–01:00: quality 0.6M45 01:00–01:35: quality 0.7M45 01:35–01:50: quality 0.6M45 01:50–02:30: quality 0.8M45 02:30–02:45: quality 0.7M45 02:45–02:55: quality 0.6M45 02:55–03:10: quality 0.5M45 03:10–03:15: quality 0.4observe M45 21:20–22:00observe M45 01:20–03:15NGC 7000NGC 7000 19:00–20:00: quality 0.4NGC 7000 20:00–20:15: quality 0.6NGC 7000 20:15–21:00: quality 0.5NGC 7000 21:00–21:05: quality 0.4NGC 7000 21:05–21:35: quality 0.3NGC 7000 21:35–21:45: quality 0.2observe NGC 7000 19:00–20:15V1057 CygV1057 Cyg 19:00–20:00: quality 0.4V1057 Cyg 20:00–20:15: quality 0.6V1057 Cyg 20:15–21:00: quality 0.5V1057 Cyg 21:00–21:05: quality 0.4V1057 Cyg 21:05–21:35: quality 0.3V1057 Cyg 21:35–21:45: quality 0.2observe V1057 Cyg 20:15–21:20M33M33 19:00–20:00: quality 0.4M33 20:00–21:00: quality 0.5M33 21:00–21:40: quality 0.4M33 21:40–22:00: quality 0.5M33 22:00–23:00: quality 0.1M33 23:00–00:00: quality 0.3M33 00:00–00:50: quality 0.5M33 00:50–01:15: quality 0.4M33 01:15–01:30: quality 0.3observe M33 00:15–01:20scheduleNGC 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
16:55–19:00 — nothing worth pointing at — 2.08
19:00–20:15 NGC 7000 1.25 0.43
20:15–21:20 V1057 Cyg 1.08 0.46
21:20–22:00 M45 0.67 0.47
22:00–23:00 — nothing worth pointing at — 1.0
23:00–00:15 M42 1.25 0.43
00:15–01:20 M33 1.08 0.45
01:20–03:15 M45 1.92 0.68
03:15–07:50 — nothing worth pointing at — 4.58

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 53 33 19:00–22:00 (marginal) 89.7° at 18:35 30.5° 0.0
M42 Great Orion Nebula 82 65 00:00–02:45 (good) 42.9° at 23:25 66.6° 1.25
M45 Seven Sisters 84 61 00:00–02:50 (good) 72.5° at 21:40 37.7° 2.58
NGC 7000 North America Nebula 29 18 19:00–21:20 (marginal) 87.2° at 14:50 63.6° 1.25
V1057 Cyg 29 18 19:00–21:20 (marginal) 87.3° at 14:50 63.6° 1.08
M33 Triangulum Pinwheel 57 36 19:00–22:00 (marginal) 79.1° at 19:25 19.5° 1.08

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2025-12-28"

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"}.