Wilsonville
Stargazing Guide.

Uncover the hidden celestial treasures of Wilsonville, OR. From the verified horizons at cruise ship to the scientific Bortle Class 4 reports at Burroughs Mountain, your journey to the stars starts here.

Scientific NPS Bortle Regional Benchmarking
4
~107.9mi at Burroughs Mountain
Scientific NPS SQM Instrumented Reading
21.28
Regional Atmospheric Base
Verified Spots Community Vetted
1
~22.6mi to cruise ship
Dark Sky Oasis Certified IDA Park
92.5mi
IDA: Sisters, Oregon

Stargazing Logistics for Wilsonville

  • STEP 1. Primary Staging Area: cruise ship. This is your most reliable community-vetted hub within a ~22.6 mile radius.
  • STEP 2. Sky Quality Baseline: Classified as Class B (Rural). Use the instrumented 4 rating from Burroughs Mountain as your technical benchmark for the region.
  • STEP 3. Local Support: Contact Rose City Astronomers for updated site access and group observation schedules.
  • STEP 4. Observation Density: There are 1 recognized sites near Wilsonville offering varied horizons and atmospheric stability levels.
Local Observation Strategy

Wilsonville is positioned in a strategic 'Starlight Corridor.' It is far enough from the OR metro glare to allow for deep-sky imaging, yet serves as a convenient staging area for the deeper Class 4 skies found at Burroughs Mountain.

The Best Times for Stargazing in Wilsonville

For the best experience, target the late-night window between 1 AM and 4 AM in Wilsonville. This is when local industrial lighting and residential 'sky glow' is at its minimum, and the most prominent Winter constellations are directly overhead at the zenith.

Expert Tips for Wilsonville Observers

Don't underestimate the power of peripheral vision (averted vision). At sites near Wilsonville, looking slightly to the side of a faint nebula will reveal much more detail than looking directly at it, especially when dealing with the Class 5+ suburban skies of the OR region. Scientific Context: While local conditions vary, the instrumented reading of Bortle 4 at Burroughs Mountain (107.9 miles away) remains the benchmark for regional sky quality.

Regional Perspective: If you're traveling from West Linn, the 7.4-mile trip to Wilsonville is a justified detour for anyone seeking slightly clearer atmospheric 'seeing'.
Community Vetted
Methodology Verified

Best Spots for Stargazing in Wilsonville

The most accessible and reliable viewing locations in the region, ranked by local observer feedback. To get the most out of these verified spots, ensure your mobile reconnaissance kit is ready for Wilsonville's local horizons.

Active Viewing Spot Confidence: 67.5%

cruise ship

22.6 mi
Distance

" Wilsonville observers often find this mid-distance site perfect for a full session. Scientific Fact: Around 3 AM, the atmosphere is usually most stable, offering the 'steadiest seeing' for high-magnification planetary views. "

Vancouver, WA
Celestial Alert
Real-Time Tracking

2026 Celestial Roadmap for Wilsonville

Rural conditions near Wilsonville provide excellent contrast for the Milky Way and bright star clusters.

Swipe
Instrumented Data

Sky Quality Reports for Wilsonville

Access high-precision SQM readings from the National Park Service, providing the definitive baseline for regional darkness quality. Seeing the faint magnitude targets listed in these NPS readings often requires the specific gear we've staged for Wilsonville nights in our observer field kit.

Burroughs Mountain

Mount Rainier NP

107.9 mi
Distance
21.28 SQM
Bortle Class 4

Local Relevance

For observers in Wilsonville, Burroughs Mountain serves as the definitive baseline for high-altitude transparency and localized skyglow data.

"Sky quality measurements were recorded at Burroughs Mountain in Mount Rainier NP on 8/13/2007. The site demonstrated a scientific darkness reading of 21.28 SQM."

Observation Date
8/13/2007
Elevation
1938m
Zenith Brightness
21.27

Plummer Peak

Mount Rainier NP

111.3 mi
Distance
21.09 SQM
Bortle Class 4

Local Relevance

The scientific findings at Plummer Peak provide Wilsonville residents with the most reliable data on regional atmospheric stability.

"Sky quality measurements were recorded at Plummer Peak in Mount Rainier NP on 9/23/2005. The site demonstrated a scientific darkness reading of 21.09 SQM."

Observation Date
9/23/2005
Elevation
1940m
Zenith Brightness
20.98
Certified Destinations

Dark Sky Oasis near Wilsonville

Elite viewing locations officially recognized by DarkSky International for their pristine celestial environments. Planning a trip to a nearby Dark Sky Park? Ensure your kit is ready by viewing our staged observer advice below.

International Dark Sky Community Certified

Sisters, Oregon

The protected skies at Sisters, Oregon represent a vital astronomical asset for the Wilsonville observing community.

Sisters City Hall 520 Cascade Avenue Sisters, OR 97702

Scale
4.96 sq km
Coordinates
44.2909, -121.5493
International Dark Sky Community Certified

Antelope, Oregon

The protected skies at Antelope, Oregon represent a vital astronomical asset for the Wilsonville observing community.

94237 McGreer St. Antelope, OR 97001

Scale
1.19 Sq. Km
Coordinates
44.9105, -120.7227
Community Hubs

Astronomy Clubs for Wilsonville

Join the local community of observers for group viewing events, equipment swaps, and technical workshops. Planning to join a local session? Make sure you have the essentials ready by checking our starter kit recommendations.

NASA Club ID
#381
14.6 mi
Distance

Rose City Astronomers

Portland, OR

NASA Club ID
#531
25.2 mi
Distance

Nightsky-45

Salem, OR

The Forest Observer's Staging Advice

Gearing Up for Wilsonville Nights

"For the manageable 20-mile commute from Wilsonville, we recommend a "split-tube" or collapsible Dobsonian. It gives you the power of a large light bucket while still fitting comfortably in most standard Wilsonville commuter vehicles."

The Wilsonville Field Kit

When observing near Wilsonville, the local atmospheric stability and the commute time to isolated zones are your primary logistical factors. The difference between the Wilsonville city center and the instrumented readings at sites 23 miles away is staggering, requiring optics that can handle both glare and deep contrast. We've curated a specific progression of gear—from entry-level comfort to dedicated imaging hubs—to help you maximize every clear night.

Level 1: EssentialsLevel 2: OpticsLevel 3: Power