Stargazing in Eirunepe, Amazonas, Brazil

Dark-sky rating for Eirunepe

Eirunepe, Amazonas, Brazil is a small town (population about 35,700). A place this size typically has a rural sky: the Milky Way is usually visible on clear, moonless nights away from local lighting. That is an estimate of Bortle class 1–4 from population, not a measurement: the real value depends on the exact spot you observe from.

For a measured reading at any point, open the live Dark Sky map.

Nearest dark-sky places and observatories

No certified dark-sky place or observatory in our registry lies within 150 km of Eirunepe. Our list only includes genuine, publicly documented sites, so none is shown rather than guessed.

Milky Way season in Eirunepe

The bright core of the Milky Way climbs high above the horizon haze. It climbs at least 20° above the horizon during astronomical darkness in February, March, April, May, June, July, August, September, October, peaking in April at about 68°.

• The south celestial pole stands 6.7° above the horizon, so stars within 7° of it never set from here.
• About 55.8% of the whole sky rises above the horizon at some point in the year from this latitude.
• The Milky Way's core in Sagittarius culminates about 67.7° up, clearing the horizon haze comfortably.
• The Large Magellanic Cloud only reaches about 27° altitude, so it is a low, seasonal target rather than a year-round one.
• At 123 m elevation, roughly 1% of the atmosphere's mass is already below you, which measurably reduces extinction near the horizon.

Tonight and aurora

As of October 16, 2026 (UTC) the Moon is a Waxing Crescent at 27% illumination. Aurora at 6.7° latitude generally needs about Kp 9.0.

Nearby places

• Rio Branco, Acre, Brazil
• Iquitos, Loreto, Peru
• Pucallpa, Ucayali, Peru