Four Square Mile
Stargazing Guide.

Uncover the hidden celestial treasures of Four Square Mile, CO. From the verified horizons at Chamberlin Observatory to the scientific Bortle Class 6 reports at Coyote Ridge Parking, your journey to the stars starts here.

Scientific NPS Bortle Regional Benchmarking
6
~56.5mi at Coyote Ridge Parking
Scientific NPS SQM Instrumented Reading
20.02
Regional Atmospheric Base
Verified Spots Community Vetted
5
~3.5mi to Chamberlin Observatory
Dark Sky Oasis Certified IDA Park
57.1mi
IDA: Florissant Fossil Beds National Monument

Stargazing Logistics for Four Square Mile

  • STEP 1. Primary Staging Area: Chamberlin Observatory. This is your most reliable community-vetted hub within a ~3.5 mile radius.
  • STEP 2. Sky Quality Baseline: Classified as Class C (Suburban). Use the instrumented 6 rating from Coyote Ridge Parking as your technical benchmark for the region.
  • STEP 3. Local Support: Contact Denver Astronomical Society for updated site access and group observation schedules.
  • STEP 4. Observation Density: There are 5 recognized sites near Four Square Mile offering varied horizons and atmospheric stability levels.
Local Observation Strategy

Four Square Mile acts as a primary gateway to the Chamberlin Observatory zone. This proximity allows for scientific-grade viewing (Class 6) at Coyote Ridge Parking just a short 15-minute drive from the city center, making it a rare 'Hub' for serious observers.

The Best Times for Stargazing in Four Square Mile

For the best experience, target the late-night window between 1 AM and 4 AM in Four Square Mile. 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 Four Square Mile Observers

Don't underestimate the power of peripheral vision (averted vision). At sites near Four Square Mile, 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 CO region. Scientific Context: While local conditions vary, the instrumented reading of Bortle 6 at Coyote Ridge Parking (56.5 miles away) remains the benchmark for regional sky quality.

Regional Perspective: Four Square Mile is situated just 6.1 miles from Englewood, but its local horizon often provides a more stable viewing experience for planetary targets.
Community Vetted
Methodology Verified

Best Spots for Stargazing in Four Square Mile

The most accessible and reliable viewing locations in the region, ranked by local observer feedback. Max out your local session by using the essential observer gear staged for the Four Square Mile environment.

Active Viewing Spot Confidence: 77.5%

Chamberlin Observatory

3.5 mi
Distance

" A short hop from Four Square Mile, this spot is a top-tier local choice. Meteor Watching Tip: Don't look at one spot; keep your eyes moving across the sky. Your peripheral vision is more sensitive to motion. "

Denver, CO 80210
Get Directions
Active Viewing Spot Confidence: 80%

Castlewood Canyon State Park

21.3 mi
Distance

" A manageable drive from Four Square Mile, this spot is a reliable regional favorite. Deep Sky Advice: Allow at least 20 minutes in total darkness for your pupils to fully dilate. You'll notice faint nebulae that were invisible at first. "

Franktown, CO 80116
Get Directions
Premier Verified Hub Confidence: 95%

Mueller State Park

53 mi
Distance

" Pack some snacks for the drive from Four Square Mile; this destination is a justified detour. Equipment Logic: Small aperture telescopes are actually more resilient to localized heat currents than large ones on suburban nights. "

Divide, CO 80814
Get Directions
Premier Verified Hub Confidence: 100%

Horsetooth Mtn Open Space

63.4 mi
Distance

" Pack some snacks for the drive from Four Square Mile; this destination is a justified detour. 'Dress for temperatures ~20F colder than forecast low for the night. If you need a flashlight, please cover it with red cellophane.' "

Fort Collins, CO 80526
Get Directions
Premier Verified Hub Confidence: 100%

Cheyenne Mountain State Park

65.4 mi
Distance

" Pack some snacks for the drive from Four Square Mile; this destination is a justified detour. Meteor Watching Tip: Don't look at one spot; keep your eyes moving across the sky. Your peripheral vision is more sensitive to motion. "

Colorado Springs, CO 80926
Get Directions
Celestial Alert
Real-Time Tracking

2026 Celestial Roadmap for Four Square Mile

Urban viewing is best for high-contrast targets. Head to Chamberlin Observatory to escape local glare.

Swipe
Instrumented Data

Sky Quality Reports for Four Square Mile

Access high-precision SQM readings from the National Park Service, providing the definitive baseline for regional darkness quality. To resolve the deep-sky objects measured in these scientific reports, Four Square Mile observers should check our recommended optics kit.

Coyote Ridge Parking

Fort Collins Natural Area

56.5 mi
Distance
20.02 SQM
Bortle Class 6

Local Relevance

The scientific findings at Coyote Ridge Parking provide Four Square Mile residents with the most reliable data on regional atmospheric stability.

"Sky quality measurements were recorded at Coyote Ridge Parking in Fort Collins Natural Area on 1/18/2017. The site demonstrated a scientific darkness reading of 20.02 SQM."

Observation Date
1/18/2017
Elevation
1560m
Zenith Brightness
20.29

Coyote Ridge

Fort Collins Natural Area

56.5 mi
Distance
19.88 SQM
Bortle Class 6

Local Relevance

For observers in Four Square Mile, Coyote Ridge serves as the definitive baseline for high-altitude transparency and localized skyglow data.

"Resolution Testing. 3 data sets collected in order to determine vertical and horizontal illuminance"

Observation Date
12/15/2014
Elevation
1568m
Zenith Brightness
20.09
Certified Destinations

Dark Sky Oasis near Four Square Mile

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 Park Certified

Florissant Fossil Beds National Monument

As one of the closest certified environments to Four Square Mile, Florissant Fossil Beds National Monument offers a rare window into the true depth of the Milky Way.

15807 Co Rd 1 P.O. Box 185 Florissant, CO 80816 USA

Scale
26 km2
Coordinates
38.9124, -105.2814
International Dark Sky Community Certified

Town of Breckenridge, Colorado

The protected skies at Town of Breckenridge, Colorado represent a vital astronomical asset for the Four Square Mile observing community.

150 Ski Hill Rd Breckenridge, CO 80424

Scale
15.66 km²
Coordinates
39.4983, -106.0482
Community Hubs

Astronomy Clubs for Four Square Mile

Join the local community of observers for group viewing events, equipment swaps, and technical workshops. Don't show up to the club dark-site empty-handed. View the field kit we've curated for the The Desert Specialist profile.

NASA Club ID
#437
3.5 mi
Distance

Denver Astronomical Society

Denver, CO

NASA Club ID
#52
11.1 mi
Distance

Darien O'Brien Astronomy Club

Lakewood, CO

The Desert Specialist's Staging Advice

Gearing Up for Four Square Mile Nights

"Since deep darkness at sites like the local staging areas is less than a 15-minute dash from Four Square Mile, you can justify using heavier, high-aperture telescopes that would be a hassle to transport long distances."

The Four Square Mile Field Kit

When observing near Four Square Mile, the local atmospheric stability and the immediate access to verified hubs are your primary logistical factors. The difference between the Four Square Mile city center and the instrumented readings at sites 4 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