Stargazing guide
Stargazing in San Pedro de Atacama, Antofagasta, Chile
San Pedro de Atacama, Antofagasta, Chile has an estimated Bortle 1–4 sky (small town). The Milky Way core is highest after dark in April, at about 84°.
How dark the sky is around San Pedro de Atacama, Antofagasta, Chile, the nearest certified dark-sky places, when the Milky Way core is visible, and the next dark New Moon. Calculated for -22.91°, -68.20°.
Estimated sky glow
Milky Way core
Next New Moon
Dark-sky rating for San Pedro de Atacama
San Pedro de Atacama, Antofagasta, Chile is a small town (population about 10,960). 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
- ALMA Observatory · observatory · about 47 km away
- Atacama Desert Dark Sky Area · certified dark-sky place · about 65 km away
Milky Way season in San Pedro de Atacama
The bright core of the Milky Way passes almost directly overhead. 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 84°.
- The south celestial pole stands 22.9° above the horizon, so stars within 23° of it never set from here.
- About 69.5% 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 83.9° up, passing almost directly overhead.
- The Large and Small Magellanic Clouds are circumpolar here — visible on any clear, dark night of the year.
- At 2444 m elevation, roughly 25% of the atmosphere's mass is already below you, which measurably reduces extinction near the horizon.
Tonight and aurora
As of October 19, 2026 (UTC) the Moon is a First Quarter at 56% illumination. Aurora at 22.9° latitude generally needs about Kp 9.0.
Nearby places
Stargazing in San Pedro de Atacama: common questions
Is San Pedro de Atacama a good place for stargazing?
San Pedro de Atacama, Antofagasta, Chile is a small town, so its typical sky is rural sky: the Milky Way is usually visible on clear, moonless nights away from local lighting (an estimate of Bortle 1–4 from population, not a measurement). The nearest certified dark-sky place or observatory in our registry is ALMA Observatory, about 47 km away.
When can you see the Milky Way from San Pedro de Atacama?
From San Pedro de Atacama, Antofagasta, Chile (-22.91°, -68.20°) the Milky Way's bright core climbs at least 20° above the horizon during astronomical darkness in February, March, April, May, June, July, August, September, October. It peaks in April, reaching about 84°. Moonlight, cloud and city lights still decide what you actually see.
What is the best night this month for stargazing near San Pedro de Atacama?
The darkest nights fall around the New Moon. As of 2026-10-19 the Moon is a First Quarter at 56% illumination, and the next New Moon is November 9, 2026 (UTC). Pair it with a clear forecast and a site away from town lights.