Space Time
Planets visible tonight in Porto Alegre
Tonight in Porto Alegre, Brazil: Venus in the evening, Saturn before dawn, Mars before dawn. Waning Crescent, 8% lit. Below is tonight's sky from Porto Alegre, Brazil for Tuesday, September 8 — then open the free 3D sky map to see it for yourself.
- ♀Venusin the evening · W · mag -4.7
- ♄Saturnbefore dawn · N · mag 0.3
- ♂Marsbefore dawn · NE · mag 1.2
Below the horizon after dark: Jupiter, Mercury.
🌙 Waning Crescent · 8% lit
The sky is dark from 7:33 PM to 5:11 AM (local time).
- ✦Lagoon Nebula (M8)▲83° NW · nebula · binoculars
- ✦Wild Duck Cluster (M11)▲66° N · star cluster · binoculars
- ✦Orion Nebula (M42)▲57° NE · nebula · naked eye
- ✦Large Magellanic Cloud▲49° S · galaxy · naked eye
- ✦47 Tucanae▲48° S · globular cluster · naked eye
- 🛰️Tiangong4:26 AM · W→SE, peaks 24°
What's up tonight in Porto Alegre, Brazil
Every position here is computed with the astronomy-engine library (JPL ephemerides) for Porto Alegre, Brazil's exact latitude and longitude, so the planets, Moon and dark-sky window are right for your spot, not a generic location. Open the sky map to step into a first-person planetarium, get a clear-sky observing verdict from the live forecast, rank tonight's best deep-sky targets, and catch ISS passes — all for Porto Alegre, Brazil.
Tonight from nearby cities
FAQ
What planets are visible tonight in Porto Alegre, Brazil?
Tonight in Porto Alegre, Brazil: Venus in the evening, Saturn before dawn, Mars before dawn. Waning Crescent, 8% lit.
Can I see the ISS tonight in Porto Alegre, Brazil?
Yes — the ISS makes 1 visible pass over Porto Alegre, Brazil tonight. The highest is at 4:26 AM, reaching 24° (appears W, fades SE).
Is it free?
Yes — it runs in your browser, no account, no download.
Can I get tonight's sky for Porto Alegre, Brazil by email?
Yes. The free daily email delivers the night's observing verdict, visible planets, ISS passes and Moon details for your exact location, before sunset. Set it up from the Tonight panel in the app.