Stargazing guide
Stargazing in Jacarei, São Paulo, Brazil
Jacarei, São Paulo, Brazil has an estimated Bortle 5–6 sky (mid-sized city). The Milky Way core is highest after dark in April, at about 84°.
How dark the sky is around Jacarei, São Paulo, Brazil, the nearest certified dark-sky places, when the Milky Way core is visible, and the next dark New Moon. Calculated for -23.31°, -45.97°.
Estimated sky glow
Milky Way core
Next New Moon
Dark-sky rating for Jacarei
Jacarei, São Paulo, Brazil is a mid-sized city (population about 250,952). A place this size typically has a bright suburban sky: main constellations are easy, the Milky Way is washed out. That is an estimate of Bortle class 5–6 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
- Pico dos Dias Observatory · observatory · about 94 km away
Milky Way season in Jacarei
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 23.3° above the horizon, so stars within 23° of it never set from here.
- About 69.8% 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 84.3° up, passing almost directly overhead.
- The Large and Small Magellanic Clouds are circumpolar here — visible on any clear, dark night of the year.
- At 574 m elevation, roughly 7% of the atmosphere's mass is already below you, which measurably reduces extinction near the horizon.
Tonight and aurora
As of October 17, 2026 (UTC) the Moon is a Waxing Crescent at 40% illumination. Aurora at 23.3° latitude generally needs about Kp 9.0.
Nearby places
Stargazing in Jacarei: common questions
Is Jacarei a good place for stargazing?
Jacarei, São Paulo, Brazil is a mid-sized city, so its typical sky is bright suburban sky: main constellations are easy, the Milky Way is washed out (an estimate of Bortle 5–6 from population, not a measurement). The nearest certified dark-sky place or observatory in our registry is Pico dos Dias Observatory, about 94 km away.
When can you see the Milky Way from Jacarei?
From Jacarei, São Paulo, Brazil (-23.31°, -45.97°) 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 Jacarei?
The darkest nights fall around the New Moon. As of 2026-10-17 the Moon is a Waxing Crescent at 40% illumination, and the next New Moon is November 9, 2026 (UTC). Pair it with a clear forecast and a site away from town lights.