Marshfield.

The definitive guide to dark skies and celestial observation in Marshfield, WI. Verified using National Park Service and NASA Night Sky Network Clubs data.

Bortle Scale
1
Best Regional Reading
Sky Quality
22.06
SQM Zenith Value
Verified Sites
0
Community Vetted
Dark Sky Parks
2
IDA Certified Nearby

Quick Guide for Marshfield

  • Top Community Pick: local vantage points (~N/A miles)
  • Best Scientific Reading: Bortle 3 at Outer Island Sand Spit
  • Local Experts: La Crosse Area Astronomical Society
  • Verified Observations: 0 distinct spots

If you’re looking to escape the light pollution of Marshfield, you’re in luck. While enthusiasts often gather at local vantage points for its accessibility, scientific audits conducted by the National Park Service at Outer Island Sand Spit provide the most accurate reading of the regional sky quality, measuring at a Bortle 3. The transition between the urban infrastructure of Marshfield and the more rural stretches of WI creates several ‘dark sky’ corridors.

The Best Times for Stargazing in Marshfield

For the best results in Marshfield, aim for a ‘New Moon’ window. In these dark-sky conditions, the absence of moonlight allows the Milky Way to cast visible shadows.

Expert Tips for Marshfield Observers

Before heading out to local vantage points, we recommend arriving during civil twilight to scout the terrain safely. Binoculars are a favorite for regulars here for sweeping views of the Moon’s craters and larger constellations. Local enthusiasts often frequent this spot, making it a great place to meet experienced observers. Regardless of your gear, allow 30 minutes for your eyes to fully dark-adapt.

Local Top Spots

Community-vetted locations known for clear horizons and accessibility for telescopes and astrophotography.

Scientific Audit

NPS Sky Measurements

Instrumented readings from the National Park Service Night Sky Program, providing the most accurate SQM and Bortle classifications.

Outer Island Sand Spit

Apostle Islands NS

21.59 SQM
Bortle Class 3

"Sky quality measurements were recorded at Outer Island Sand Spit in Apostle Islands NS on 9/14/2012. The site demonstrated a scientific darkness reading of 21.59 SQM."

Observation Date
9/14/2012
Elevation
184m
Zenith Brightness
21.57

Little Sand Bay West Jetty

Apostle Islands NS

22.06 SQM
Bortle Class 1

"Sky quality measurements were recorded at Little Sand Bay West Jetty in Apostle Islands NS on 9/18/2012. The site demonstrated a scientific darkness reading of 22.06 SQM."

Observation Date
9/18/2012
Elevation
185m
Zenith Brightness
22.03

International Dark Sky Parks

Premier locations certified for their exceptional dark sky quality and commitment to light pollution mitigation.

IDA Certified Distance: 160.8 miles

Newport State Park

Newport State Park is situated on 960 hectares (2,373 acres) of publicly-owned land at the tip of the Door Peninsula, a geographic feature extending 130…

Category
Dark Sky Park
Certified
2017
Land Area
9.6 km2
Coordinates
45.2344, -86.9856
IDA Certified Distance: 199.7 miles

Hawthorn Woods, Illinois

Located 65 kilometers northwest of Chicago, IL, the Village of Hawthorn Woods prides itself as an upscale yet friendly community which places a high value on…

Category
International Dark Sky Community
Certified
2020
Land Area
20.53 km2
Coordinates
42.2170, -88.0495

Local Astronomy Clubs

Connect with experts and fellow enthusiasts through local astronomical societies and community groups.

NASA Night Sky Club ID
#406

La Crosse Area Astronomical Society

La Crosse, WI

NASA Night Sky Club ID
#632

The Northwoods Explorers of Space and Astronomy

MINOCQUA, WI