Stargazing in Texas

True astronomical darkness runs from 1:28 AM to 11:08 AM (9.7 hours) at Texas's central latitude — this is the real window when the sky is darkest.

Cloud cover decides whether you can see anything at all, so check a local forecast before you go. In Texas, skies are usually clearest after a cold front passes, and higher, drier sites tend to beat valleys and coasts. Hourly cloud outlook →

The Moon is Waning Crescent at 9% illumination. Moonlight shouldn't significantly interfere with deep-sky observing tonight. Full Moon details →

• Jupiter — visible in Leo, toward the East (up to 36° altitude).
• Saturn — visible in Cetus, toward the South (up to 61° altitude).
• Mars — visible in Cancer, toward the East (up to 51° altitude).

Draconids is active tonight. A minor, unpredictable shower best watched right after nightfall, unlike most showers which peak before dawn. Full calendar →

Next visible pass: Invalid Date. Live ISS tracker →

Current planetary Kp is 2.7; Texas's central latitude needs roughly Kp 9.0 for aurora to become visible. Aurora is unlikely from most of the state tonight at current activity levels. Full Aurora forecast →

Planetary Kp is 2.7 right now. Full space weather conditions →

Darkness and Moon conditions tonight favor deep-sky and Milky Way viewing, assuming clear skies and distance from city lights. This doesn't account for light pollution at your specific spot — a real light-pollution measurement isn't currently available for this location, so use distance from city lights as a practical guide instead. Check Milky Way visibility →

Moonlight is low tonight, which favours the Milky Way and fainter deep-sky objects. 3 planets are realistically observable. Pick a dark site away from city lights and confirm the local cloud forecast before you go.

Big Bend National Park and neighboring Big Bend Ranch State Park are the headline destinations, both certified International Dark Sky Parks. The Davis Mountains around Fort Davis host McDonald Observatory, which runs public star parties. Closer to Austin, Enchanted Rock State Natural Area is a certified dark-sky park, and Copper Breaks State Park serves north Texas.

• Big Bend National Park — International Dark Sky Park; one of the darkest measured skies in the lower 48.
• Big Bend Ranch State Park — International Dark Sky Park adjoining the Big Bend region; very remote.
• Enchanted Rock State Natural Area — International Dark Sky Park in the Hill Country, within reach of Austin and San Antonio.
• McDonald Observatory (Fort Davis) — University of Texas research observatory with public star parties; reservations recommended.

East Texas (humid, often hazy, heavy tree cover), the I-35 corridor and Gulf Coast (heavy light pollution and humidity), the Hill Country (moderate, improving west of Austin), the Panhandle (wide horizons, frequent wind) and the Trans-Pecos/West Texas (high, dry and darkest).

Sky glow from the four large metros is visible for long distances across flat terrain. The Permian Basin oil fields around Midland-Odessa also add glow from flaring and lighting. West of the Pecos River, conditions improve sharply.

Texas's southerly latitude puts the galactic core relatively high in the southern sky. From Big Bend or the Davis Mountains the core is striking from roughly late spring through early autumn.

West Texas's clear, dry nights suit summer and winter showers alike. Gulf Coast humidity and summer storms reduce clear nights in the east.

Autumn and winter generally bring the driest, most transparent air statewide. Late summer can bring monsoon thunderstorms to West Texas, so autumn is often the sweet spot there.

Planets and the Moon can be observed from any Texas city on a clear night; the southern latitude keeps the planets higher than from northern states.

Aurora from Texas is very rare and needs an exceptional geomagnetic storm. When it happens, it usually shows as a faint red glow low on the northern horizon, best caught by camera from dark rural sites.

Big Bend's desert peaks and the Chisos Mountains give strong foregrounds. The Davis Mountains offer elevation and steady air.

Major meteor showers (Quadrantids, Lyrids, Perseids, Geminids), Milky Way core season and any eclipses apply here as they do nationally -- dates shift each year, so check the current calendar.

Big Bend is remote -- fuel up and plan for no cell service. Summer heat is serious even at night in lower areas; check park alerts before going.