Galactic core · next 30 nights

Milky Way windows at Bangor

This tracks the Sagittarius galactic core only when the Sun is at least 18° below the horizon and the core is at least 10° high. It is geometry, not a weather promise.

Best night10 Oct0.0 h of core visibility in darkness

Highest core altitude0°near 20:40

Usable nights0 / 30Moonlight and cloud still decide image contrast.

Computed local geometry

Core hours after astronomical twilight

10 Octnone0% moon

11 Octnone2% moon

12 Octnone6% moon

13 Octnone12% moon

14 Octnone18% moon

15 Octnone26% moon

16 Octnone35% moon

17 Octnone44% moon

18 Octnone53% moon

19 Octnone63% moon

20 Octnone72% moon

21 Octnone80% moon

22 Octnone88% moon

23 Octnone94% moon

24 Octnone98% moon

25 Octnone100% moon

26 Octnone99% moon

27 Octnone96% moon

28 Octnone90% moon

29 Octnone82% moon

30 Octnone72% moon

31 Octnone61% moon

1 Novnone49% moon

2 Novnone38% moon

3 Novnone27% moon

4 Novnone18% moon

5 Novnone10% moon

6 Novnone5% moon

7 Novnone2% moon

8 Novnone0% moon

No dark core window

At this location and season, the core does not reach 10° during astronomical darkness in the next 30 nights. Check live cloud and transparency →

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Keep planning

Same coordinates, different question

Moon

Moonless nights

Find the longest uninterrupted dark windows.

Core

Milky Way

See when the galactic core clears the horizon after dark.

−18°

Astronomical darkness

Track true darkness, including polar twilight.