Live Sky Report
What Can I See in the Sky Tonight in San Luis, Petén, Guatemala?
Waxing Gibbous moon at 62%, Saturn shines at magnitude 0.3. Calculated for 16.20°, -89.44° (America/Guatemala).
Visible planets tonight
Saturn, Mars, Jupiter, Mercury — brightest: Saturn at mag 0.3 in Cetus
🔭 Tonight's Sky Report
📍 San Luis, Petén, Guatemala — Monday, October 19
Space weather observed: 6:00 PM UTC
Tonight's sky above San Luis, Petén, Guatemala
Whether tonight is a good night for stargazing from San Luis, Petén, Guatemala comes down to four real things: the Moon phase, cloud cover, which planets are up, and the current Kp index.
Local sky character in San Luis
Tropical / equatorial latitudes · northern hemisphere · 381 m elevation
- The north celestial pole stands 16.2° above the horizon, so stars within 16° of it never set from here.
- About 63.9% 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 44.8° up, clearing the horizon haze comfortably.
- The Large Magellanic Cloud only reaches about 4.1° altitude, so it is a low, seasonal target rather than a year-round one.
- At 381 m elevation, roughly 4% of the atmosphere's mass is already below you, which measurably reduces extinction near the horizon.
San Luis is small enough that local light domes are limited — on a clear, moonless night the Milky Way is realistically within reach.
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Best nights this month in San Luis
Calculated for these coordinates and today's date — not a fixed list.
- 2026-10-21 — Orionids peak — up to 20/hour
Radiant in Orion. Visible from both hemispheres. The Moon is 72% lit on peak night, so lunar interference is moderate.
- 2026-10-25 — 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.
- 2026-11-05 — Taurids peak — up to 5/hour
Radiant in Taurus. Favours the Northern Hemisphere, which includes San Luis, Petén, Guatemala. The Moon is 18% lit on peak night, so lunar interference is low.
- 2026-11-08 — 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 Luis, Petén, Guatemala.
- 2026-11-17 — Leonids peak — up to 15/hour
Radiant in Leo. Visible from both hemispheres. The Moon is 45% lit on peak night, so lunar interference is moderate.
San Luis, Petén, Guatemala stargazing questions
- What can I see in the sky tonight from San Luis, Petén, Guatemala?
- Tonight from San Luis, Petén, Guatemala expect a waxing gibbous Moon at 62% illumination, with these naked-eye planets above the horizon after dark: Saturn, Mars, Jupiter, Mercury. The night offers about 9.9 hours of true astronomical darkness.
- What planets are visible tonight in San Luis, Petén, Guatemala?
- Tonight in San Luis, Petén, Guatemala, Saturn, Mars, Jupiter, Mercury are visible to the naked eye after dark, based on this location's real ephemeris for tonight.
- When does darkness start tonight in San Luis, Petén, Guatemala?
- Astronomical darkness begins at 6:46 PM local time in San Luis, Petén, Guatemala tonight, the moment the Sun drops more than 18° below the horizon and the sky becomes fully dark for faint-object observing.
- Can you see the aurora tonight in San Luis, Petén, Guatemala?
- San Luis, Petén, Guatemala is far enough from the pole that aurora only reaches overhead during a major geomagnetic storm — specifically when the planetary Kp index reaches about 9, a level reached only a handful of times per solar cycle.
- What is the stargazing light pollution level in San Luis, Petén, Guatemala?
- San Luis, Petén, Guatemala is a small town — typically Bortle class 1–4 (rural to excellent dark sky), where the Milky Way is usually visible on clear, moonless nights away from local lighting. These are typical ranges for this population size, not a measured reading for this exact spot — use tonight's Moon phase and the best-nights list above to time a visit away from direct lighting.
- Is light pollution a problem in San Luis, Petén, Guatemala?
- San Luis, Petén, Guatemala is small enough that the Milky Way can be visible on clear, moonless nights away from the immediate centre. This page's Moon and darkness figures tell you the other half of the story.
- When can I see the Milky Way from San Luis, Petén, Guatemala?
- The core reaches about 44.8° altitude, so target the moonless nights listed in the best-nights section and get away from the city core.
- How dark does it actually get in San Luis, Petén, Guatemala tonight?
- About 9.9 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 Luis, Petén, Guatemala.
- Sky tonight in Poptun, Petén, Guatemala15 km
- Sky tonight in Dolores, Petén, Guatemala35 km
- Sky tonight in Chahal, Alta Verapaz, Guatemala49 km
- Sky tonight in Punta Gorda, Toledo District, Belize68 km
- Sky tonight in El Estor, Izabal Department, Guatemala75 km
- Sky tonight in Santa Ana, Petén, Guatemala79 km
More in Petén
Other sky reports in the same region.
Sky tonight across Guatemala
Other cities in Guatemala with live sky reports.
- Sky tonight in Livingston, Izabal Department84 km
- Sky tonight in Panzos, Alta Verapaz92 km
- Sky tonight in Senahu, Alta Verapaz96 km
- Sky tonight in Chisec, Alta Verapaz100 km
- Sky tonight in Morales, Izabal Department103 km
- Sky tonight in Puerto Barrios, Izabal Department104 km
- Sky tonight in Gualan, Zacapa120 km
- Sky tonight in Coban, Alta Verapaz129 km
Popular astronomy destinations
Aurora hubs, dark-sky sites, and observatory towns.
🛰️ ISS Visibility
No visible ISS passes currently predicted for this location.
☄️ Orionids peaks in 1 day
Up to 20 meteors/hour at peak, radiating from Orion.
Full viewing guide →Related astronomy for San Luis, Petén, Guatemala
Frequently Asked Questions
Is this just astronomy weather for San Luis?
This page goes beyond ordinary astronomy weather -- it combines real local weather for astronomy, live space weather, and the space weather aurora connection into one live report for San Luis, Petén, Guatemala.
What are tonight's astronomy viewing conditions for San Luis?
The sky viewing conditions badge above reflects the real astronomy viewing conditions for San Luis, Petén, Guatemala right now -- cloud cover, darkness, and moon interference combined, not moon phase alone. Good weather for stargazing depends on all of these together.