Stargazing in Ushuaia, Tierra del Fuego, Argentina

Dark-sky rating for Ushuaia

Ushuaia, Tierra del Fuego, Argentina is a small town (population about 56,825). 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 Ushuaia. Our list only includes genuine, publicly documented sites, so none is shown rather than guessed.

Milky Way season in Ushuaia

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 64°.

• The south celestial pole stands 54.8° above the horizon, so stars within 55° of it never set from here.
• About 90.9% 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 64.2° up, clearing the horizon haze comfortably.
• The Large and Small Magellanic Clouds are circumpolar here — visible on any clear, dark night of the year.
• At 6 m elevation, roughly 0% of the atmosphere's mass is already below you, which measurably reduces extinction near the horizon.

Tonight and aurora

As of November 6, 2026 (UTC) the Moon is a Waning Crescent at 8% illumination. Aurora at 54.8° latitude generally needs about Kp 4.0.

Nearby places

• Comodoro Rivadavia, Chubut, Argentina
• Puerto Montt, Los Lagos Region, Chile