Live Sky Report
What Can I See in the Sky Tonight in San Juan, Los Ríos, Ecuador?
New Moon moon at 0%, Venus shines at magnitude -4.4. Calculated for -1.67°, -79.77° (America/Guayaquil).
Visible planets tonight
Venus, Jupiter, Mercury, Saturn, Mars — brightest: Venus at mag -4.4 in Virgo
🔭 Tonight's Sky Report
📍 San Juan, Los Ríos, Ecuador — Thursday, August 13
Tonight's sky above San Juan, Los Ríos, Ecuador
Whether tonight is a good night for stargazing from San Juan, Los Ríos, Ecuador comes down to four real things: the Moon phase, cloud cover, which planets are up, and the current Kp index.
Above San Juan, Los Ríos, Ecuador tonight (-1.67°, -79.77°), expect a new moon moon at 0% illumination. The night gives 9.6 hours of true astronomical darkness. At 1.7°, aurora needs a strong storm — roughly Kp 9 or higher — to reach San Juan, Los Ríos, Ecuador.
Local sky character in San Juan
Tropical / equatorial latitudes · southern hemisphere · 9 m elevation
- The south celestial pole stands 1.7° above the horizon, so stars within 2° of it never set from here.
- About 51.5% 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 62.7° up, clearing the horizon haze comfortably.
- The Large Magellanic Cloud only reaches about 22° altitude, so it is a low, seasonal target rather than a year-round one.
- At 9 m elevation, roughly 0% of the atmosphere's mass is already below you, which measurably reduces extinction near the horizon.
San Juan is small enough that local light domes are limited — on a clear, moonless night the Milky Way is realistically within reach.
Best nights this month in San Juan
Calculated for these coordinates and today's date — not a fixed list.
- 2026-08-13 — Darkest night of the coming month
The Moon is only 0% illuminated, giving the least lunar interference in the next 30 nights — the best window for the Milky Way and faint deep-sky targets from San Juan, Los Ríos, Ecuador.
- 2026-08-28 — Full Moon
A 100%-lit Moon washes out faint objects, but lunar terrain along the limb is at its most striking — plan bright targets and planets instead of deep sky.
San Juan, Los Ríos, Ecuador stargazing questions
- What can I see in the sky tonight from San Juan, Los Ríos, Ecuador?
- Tonight from San Juan, Los Ríos, Ecuador expect a new moon Moon at 0% illumination, with these naked-eye planets above the horizon after dark: Venus, Jupiter, Mercury, Saturn, Mars. The night offers about 9.6 hours of true astronomical darkness.
- Can I see both northern and southern constellations from San Juan, Los Ríos, Ecuador?
- Yes — this is the real advantage of an equatorial location. At 1.7° S, about 51.5% of the entire celestial sphere rises at some point in the year, so Polaris-side constellations and the Southern Cross region are both reachable across the seasons.
- How good is the Milky Way from San Juan, Los Ríos, Ecuador?
- The Galactic Centre culminates around 62.7° above the horizon from here, high enough to clear most horizon haze. Local cloud and humidity, not geometry, are usually the limiting factor at tropical latitudes.
- Are there seasons for stargazing in San Juan, Los Ríos, Ecuador?
- Night length barely changes at this latitude — twilight is short and the Sun sets steeply, so darkness arrives quickly all year. What changes is which part of the sky is on view after sunset, and, in monsoon-affected regions, how often the sky is clear at all.
- How dark does it actually get in San Juan, Los Ríos, Ecuador tonight?
- About 9.6 hours of astronomical darkness (Sun more than 18° below the horizon). That is the real observing window for faint objects; brighter targets are workable from dusk onward.
Nearby cities
Real great-circle distance from San Juan, Los Ríos, Ecuador.
More in Los Ríos
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Sky tonight across Ecuador
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