Safronov Regio
Enhanced color view of Safronov Regio's western border with Sputnik Planitia | |
| Location | Pluto |
|---|---|
| Coordinates | 13°22′S 150°31′W / 13.36°S 150.51°W |
| Diameter | ~740 km (460 mi) |
| Discoverer | New Horizons |
| Eponym | Viktor Safronov |
Safronov Regio (formerly Krun Macula) is the westernmost of the "Brass Knuckles", a series of equatorial dark regions on Pluto.