Frankfort, IN Night Sky Brightness
Frankfort, IN's night sky, measured from orbit
Satellite radiance puts Frankfort in the suburban band. Light dome dominates much of the sky. Only the brightest stars and planets stand out clearly. Frankfort's sky is brighter than 52% of the 3,206 cities in this dataset.
Note the source: a satellite reading of upward light, not a visual Bortle scale reading. The two measure related but different things, explained in the Bortle scale guide.
The nearest darker sky to Frankfort
The closest place in this dataset with a meaningfully darker sky is Zionsville, IN, roughly 23 miles away in a straight line, rated rural. Road distance will be more.
Zionsville, IN is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
How Frankfort compares nationally
Frankfort, IN has a population of about 16,459, one of 3,206 US cities of 10,000 or more residents in this dataset. Frankfort's position, 1,659 of 3,206, darkest to brightest, comes from the sampling method the methodology guide sets out.