Stargazing in Saint-Joseph, Reunion, Reunion

Dark-sky rating for Saint-Joseph

Saint-Joseph, Reunion, Reunion is a small town (population about 38,807). 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 Saint-Joseph. Our list only includes genuine, publicly documented sites, so none is shown rather than guessed.

Milky Way season in Saint-Joseph

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 82°.

• The south celestial pole stands 21.4° above the horizon, so stars within 21° of it never set from here.
• About 68.2% 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 82.4° up, passing almost directly overhead.
• The Large and Small Magellanic Clouds are circumpolar here — visible on any clear, dark night of the year.
• At 43 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 November 6, 2026 (UTC) the Moon is a Waning Crescent at 8% illumination. Aurora at 21.4° latitude generally needs about Kp 9.0.

Nearby places

• Saint-Denis, Reunion, Reunion
• Port Louis, Port Louis, Mauritius
• Toamasina, Atsinanana, Madagascar