Stargazing in Utah

True astronomical darkness runs from 2:29 AM to 12:00 PM (9.5 hours) at Utah'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 Utah, 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 32° altitude).
• Saturn — visible in Cetus, toward the South (up to 52° altitude).
• Mars — visible in Cancer, toward the East-Southeast (up to 46° 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; Utah's central latitude needs roughly Kp 8.9 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.

Natural Bridges National Monument was the world's first International Dark Sky Park (2007). Bryce Canyon, Capitol Reef, Arches, Canyonlands and Great Basin's neighbor parks are all known for exceptional skies, and Bryce Canyon runs a well-known astronomy program.

• Natural Bridges National Monument — The world's first International Dark Sky Park (2007).
• Bryce Canyon National Park — International Dark Sky Park with regular ranger astronomy programs.
• Capitol Reef National Park — International Dark Sky Park in remote south-central Utah.
• Canyonlands National Park — International Dark Sky Park; extremely remote, very dark.

The Wasatch Front (Salt Lake City to Provo, bright), the Great Basin desert in the west, and the Colorado Plateau canyon country in the south and east.

Sky glow is concentrated along the Wasatch Front. Southern Utah's parks and the lands between them remain extremely dark, though St. George and Moab add local glow.

From southern Utah the Milky Way core is vivid from roughly April through October, often casting faint shadows on very dark nights.

Clear, dry skies make Utah excellent for meteor watching; summer monsoon storms can interrupt some nights.

Spring and autumn balance clear skies and comfortable temperatures. Winter is clear but very cold at altitude; summer has monsoon storms and heat in lower canyons.

Dry air gives sharp views of the Moon and planets from almost anywhere, including suburban Salt Lake City.

Aurora is rare in Utah and needs a strong storm; northern Utah with a dark northern horizon gives the best chance.

Arches, natural bridges and hoodoos make some of the most photographed night-sky foregrounds anywhere.

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.

Many parks have limited services -- carry water and fuel. Some areas restrict night access; check each park's current rules.