Wae Rebo Stargazing & Astronomy Report

Key Sky Quality Metrics

SQM (mag/arcsec²)

21.80

Bortle class

Class 2 (Class 2)

Darkness Quotient

93%

Dataset

May 2026

Typical truly dark site

Wae Rebo: The Practical Verdict

Wae Rebo, a remote village in East Nusa Tenggara, Indonesia, is a true gem for stargazers. Renowned for its pristine dark skies, the area offers a very strong quality of darkness perfect for astronomical observations. The primary strength here is the absence of significant light pollution, making it an excellent destination for deep-sky observations.

In these skies, the Milky Way is prominently visible, with its structure and contrast clearly defined. Observers can indulge in viewing galaxies, nebulae, globular clusters, and meteor showers with remarkable clarity. The conditions are also ideal for broadband imaging and widefield nightscape photography. There are no significant restrictions due to light pollution alone, although low-altitude targets may be challenging during periods of poor transparency.

Given its status as a very strong dark site, there is no practical need to travel elsewhere for darker skies. The local conditions already support serious deep-sky astronomy, making this location an ideal spot for both visual and imaging pursuits year-round.

At a Glance

Overall

Very strong dark sky - This is a very strong dark-sky location where the Milky Way, faint stars, nebulae, and galaxies are realistically accessible.

Milky Way

Clearly visible - The Milky Way should be prominent on moonless nights, with visible structure and strong contrast.

Best targets from here

Milky Way, galaxies, nebulae, globular clusters, open clusters, meteor showers

Do not prioritise

none due to light pollution alone

Already a strong sky

Wae Rebo is already a strong astronomy location. There is no obvious reason to travel for a darker sky.

Good dark window

Wae Rebo retains astronomical darkness throughout the year, so seasonality is less extreme than at higher latitudes. The main limitation is light pollution, not the length of the dark window.

Frequently Asked Questions

Can you see the Milky Way from Wae Rebo?

Yes. Wae Rebo reaches Bortle 2, dark enough that the Milky Way is clearly visible on clear, moonless nights.

What Bortle class is Wae Rebo?

Wae Rebo is Bortle Class 2 (SQM 21.80), a very strong dark sky for astronomy.

Is Wae Rebo good for stargazing?

Yes. Wae Rebo is a very strong dark sky and supports serious stargazing including deep-sky observing.

Is Wae Rebo good for astrophotography?

Broadband deep-sky imaging is realistic from Wae Rebo. Narrowband imaging of bright emission nebulae remains viable from Wae Rebo with appropriate Ha or OIII filters.

What can you observe from Wae Rebo?

Primary targets from Wae Rebo include Milky Way, galaxies, nebulae, globular clusters, open clusters. Targets such as none due to light pollution alone are not realistic from this sky.

Where are darker skies near Wae Rebo?

No meaningfully darker mapped site was found within the search radius around Wae Rebo.

When is the sky darkest in Wae Rebo?

The sky over Wae Rebo is darkest around June, July.

Is light pollution in Wae Rebo getting better or worse?

Long-term light pollution over Wae Rebo has been broadly stable across the available measurements.

• Borik, East Nusa Tenggara

  Direction

  SSW

  Distance (km)

  5

  SQM

  21.82

  Bortle

  2

• Wai Wei, East Nusa Tenggara

  Direction

  SSW

  Distance (km)

  113.4

  SQM

  21.84

  Bortle

  2

• Lanamai, East Nusa Tenggara

  Direction

  ENE

  Distance (km)

  70.3

  SQM

  21.82

  Bortle

  2