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Tonight's Sky from Buenos Aires, Argentina

34.61°S, 58.38°W · America/Argentina/Buenos_Aires · Tue, Sep 15 · 20:02 UTC

☀️ Daytime — but ISS passes tonight

Set a reminder for the ISS pass. 🌇 Sunset in about 1h 40m.

⏳Wait for sunset — nothing visible in daylight.

Buenos Aires, Argentina · 2 planets in the sky (daylight — none visible)

Best thing to see tonight

ISS

Bright, high pass — easy to spot (65° pass at 15:33 UTC). Moves from southwest across the sky, passes high overhead, and exits northeast

Excellent
Where to look
Look southwest
When
6 min pass (15:33 UTC)
Visibility score
80/100
2 planets in the sky, but none visible to the naked eye
  • Mercury — Daylight is too bright — planets are washed out by the sun.
  • Venus — Daylight is too bright — planets are washed out by the sun.
5 planets below the horizon — Mars, Jupiter, Saturn, Uranus, Neptune
  • Mars — Below horizon
  • Jupiter — Below horizon
  • Saturn — Below horizon
  • Uranus — Below horizon
  • Neptune — Below horizon

Observing conditions

Cloud cover
80%
Mostly cloudy
Moon
Waxing Crescent
22% lit — Moon visible, but no impact in daylight
Light pollution
City
Bortle 8 — measured

Light pollution

Bortle scale · catalogued
8/9
City
1 · Pristine5 · Suburban9 · Inner city

City sky. Only a few dozen stars visible. Familiar constellation shapes missing dimmer stars. Moon and planets only.

Naked-eye limit
mag 4.5

Next eclipse

Solar · total
321
days away

A total solar eclipse on Monday, 2 August 2027.

Visible: Spain, North Africa, Middle East, India. Confirm viewability from Buenos Aires on the detail page.

Duration
6m 24s
Magnitude
1.08

What this means

It is still daylight — check back after sunset.

Heavy cloud cover will block most of the sky tonight.

Moonlight is light and should not disturb most viewing.

Sun

Above horizon
Altitude
19.9°
Sun is up
Azimuth
288° WNW
Next sunrise
Wed, Sep 16 · 09:51 UTC
Next sunset
Tue, Sep 15 · 21:45 UTC

Moon

Visible
Phase
Waxing Crescent
22.4% illuminated
Altitude
74.1°
Azimuth
317° NW
Next moonrise
Wed, Sep 16 · 12:35 UTC

ISS passes (next 48 h)

5 passes
  • Wed, Sep 16 · 07:25 UTC
    peak 22°
    in 11 hoursrises N → sets ESE5m 25s
  • Wed, Sep 16 · 09:01 UTC
    peak 30°
    in 13 hoursrises W → sets SSE6m 8s
  • Wed, Sep 16 · 13:58 UTC
    peak 11°
    in 18 hoursrises S → sets SE2m 3s
  • Wed, Sep 16 · 15:33 UTC
    peak 65°
    in 20 hoursrises SW → sets NE6m 50s
  • Thu, Sep 17 · 06:39 UTC
    peak 12°
    tomorrowrises NNE → sets E2m 52s
Advanced — raw altitude, azimuth, magnitude for all planets

Planets

0 currently observable
  • Mercurymag -0.4
    34.7°Not visible
  • Venusmag -4.8
    60°Not visible
  • Mars
    Below horizon
  • Jupiter
    Below horizon
  • Saturn
    Below horizon
  • Uranus
    Below horizon
  • Neptune
    Below horizon
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