Night Sky Measured
To understand what is at risk of being lost, one needs to quantify what exists. Below are individual and group measurements of the night sky in St. Joseph County, Indiana. Observations include visual and instrument readings, the latter being done with Sky Quality Meters (SQMs) and Dark Sky Meter (DSM) app.
A second survey over proposed mega-development area
PHM School District
3,500 kids in one school district observe the sky and record darkness
St. Joseph County
Independent observations in SJC.
Survey of sky over New Carlisle Economic Development Area
An average after a meeting about Elbel Park is 19.16 mag/sq. arcsec.
Globe at Night
Maps reflect data from citizen observations across the region.