Springfield Stargazing & Astronomy Report
Light pollution and stargazing locations near Springfield
- City
- Springfield
- Country
- United States
- Latitude
- 37.2090
- Longitude
- -93.2923
Key Sky Quality Metrics
- SQM (mag/arcsec²)
- 17.85
- Bortle class
- Class 9 (Class 9)
- Darkness Quotient
- 22%
- Dataset
- March 2026
Inner city sky
Springfield: The Practical Verdict
Springfield is a mid-sized inland city in south-west Missouri, serving as a major regional centre for the Ozarks with a busy suburban spread around its core.
The city generally experiences High Light Pollution, with a Darkness Quotient of 22% — making it brighter than good rural observing locations, though not quite as overwhelmed as the very worst global mega-cities.
For practical observing from within the city, the most realistic targets are the Moon, planets, double stars and the brightest open clusters. A few showpiece deep-sky objects can still be attempted, but faint galaxies, nebulae and the Milky Way are largely washed out by the urban glow.
There is no quick escape to truly dark conditions right on the edge of Springfield, but a worthwhile improvement does appear with a longer drive. The nearest reasonable dark-sky option is about 65 kilometres to the south-west near Barry County, Missouri, while the darkest nearby site in the data lies about 170 kilometres to the south-east near Izard County, Arkansas.
The map crop shows Springfield as a concentrated bright core, with intense pink-white light at the centre fading through red and yellow into broader blue surroundings. That pattern is typical of a strongly lit urban area whose glow spreads well beyond the built-up centre.
Around the city, the background is mottled rather than cleanly dark, with many smaller bright pockets scattered across the region. This suggests a network of towns and roadside development adding secondary light domes in several directions rather than a single isolated city in open countryside.
The most promising darker regions on the map appear mainly to the east, south-east and parts of the north-west, where broader grey-blue patches begin to emerge between the brighter settlements. Even so, Springfield still stands out clearly against its surroundings, and from the city itself the local sky remains dominated by the urban light dome.
What the sky overhead is like
Looking straight up from Springfield, the zenith remains heavily affected by city light, with a measured SQM of 17.85. This is the sort of sky where the background never becomes truly black, and familiar constellations show mainly their brighter stars.
The brighter patterns of winter and summer are still easy enough to trace, and the Moon and planets stand out well. What is largely missing is the finer texture of the sky — dimmer stars, dust lanes and the Milky Way simply do not have enough contrast from within the city.
north - fair
About 15 kilometres north of Springfield, conditions improve to fair rather than dark, with a Bortle 5 sky. This direction strengthens well with distance, reaching genuinely dark conditions at around 100 kilometres.
north-north-east - fair
Around 15 kilometres north-north-east, the sky is fair, corresponding to Bortle 5. It improves usefully farther out, but genuinely dark skies are not reached within the sampled distance in this direction.
north-east - marginal
At roughly 15 kilometres to the north-east, the sky is still marginal at Bortle 6. The picture improves strongly farther out, with genuinely dark conditions reached at around 50 kilometres.
east-north-east - poor
Around 15 kilometres east-north-east, the sky remains poor for deep-sky observing, at Bortle 7. A much better rural sky appears farther out, with genuinely dark conditions reached at around 50 kilometres.
east - marginal
About 15 kilometres east of the city, conditions are marginal, corresponding to Bortle 6. This direction becomes much more attractive farther out, reaching genuinely dark skies at around 50 kilometres.
east-south-east - marginal
At around 15 kilometres east-south-east, the sky is still marginal at Bortle 6. Keep going and this becomes one of the stronger directions, with genuinely dark skies reached at around 50 kilometres.
south-east - marginal
Roughly 15 kilometres south-east of Springfield, conditions remain marginal, with a Bortle 6 sky. The improvement becomes substantial farther out, and genuinely dark sky is reached at around 50 kilometres.
south-south-east - poor
At around 15 kilometres south-south-east, the sky is still poor at Bortle 7. It does improve significantly with distance, but genuinely dark conditions do not appear until around 100 kilometres out.
south - poor
About 15 kilometres south of the city, the sky is poor, at Bortle 7. It gets better with distance, but genuinely dark skies are not reached within the sampled radius in this direction.
south-south-west - marginal
Around 15 kilometres south-south-west, conditions are marginal at Bortle 6. There is some improvement farther out, though genuinely dark skies are not reached within the sampled radius in this direction.
south-west - marginal
At roughly 15 kilometres south-west of Springfield, the sky is marginal, corresponding to Bortle 6. It improves to a decent rural sky farther out, but genuinely dark conditions are not reached within the sampled radius in this direction.
west-south-west - marginal
About 15 kilometres west-south-west, the sky remains marginal at Bortle 6. Conditions become better with distance, though genuinely dark skies are not reached within the sampled radius in this direction.
west - marginal
Around 15 kilometres west of the city, conditions are marginal, corresponding to Bortle 6. Farther out the sky does improve, but genuinely dark conditions are not reached within the sampled radius in this direction.
west-north-west - marginal
At about 15 kilometres west-north-west, the sky is still marginal at Bortle 6. This direction improves well with distance and reaches genuinely dark skies at around 50 kilometres.
north-west - marginal
Roughly 15 kilometres north-west of Springfield, the sky is marginal, with a Bortle 6 reading. A much darker rural sky is available farther out, with genuinely dark conditions reached at around 50 kilometres.
north-north-west - fair
About 15 kilometres north-north-west, the sky improves to fair, at Bortle 5. It becomes better still farther out, with genuinely dark conditions reached at around 100 kilometres.
zenith - poor
Straight overhead in Springfield, the zenith is poor for serious deep-sky work, with a Bortle 9 sky and SQM 17.85. You can still pick out the brighter constellations and planets, but the sky background is bright and the Milky Way is effectively lost from view.
-
Near Izard County, Arkansas
- Direction
- SE
- Distance (km)
- 170.6
- SQM
- 21.35
- Bortle
- 3
Milky Way visible, broadband DSO imaging
-
Near St. Clair County, Missouri
- Direction
- NNW
- Distance (km)
- 96.2
- SQM
- 21.26
- Bortle
- 4
Bright nebulae, galaxies, narrowband imaging
-
Near Barry County, Missouri
- Direction
- SW
- Distance (km)
- 67.4
- SQM
- 20.95
- Bortle
- 4
Bright nebulae, galaxies, narrowband imaging
Historical Light Pollution Trends
Springfield's long-term sky brightness looks remarkably stable in this record. The SQM value shifts only slightly from 17.92 in the earliest data to 17.85 in the latest, with an overall trend that is effectively flat.
Across 75 datasets, the readings stay within a fairly narrow range from 17.7 to 18.1. In practical terms, that suggests city observers have seen little meaningful improvement over time, but also no dramatic deterioration beyond an already very bright urban baseline.