The blaze threatened the observatory and communications infrastructure at the peak. Later, an observatory official said it appeared to be under control.

The Eaton Fire burning through the hillsides and mountains above Pasadena is now approaching the Mount Wilson Observatory, with potential implications for both the historic structures and emergency communications during the ongoing wildfire siege devastating Los Angeles.

ABC7 (KABC), the ABC affiliate station in Los Angeles, lost its over-the-air signal Friday morning as the Eaton Fire burned near the Mount Wilson observatory and communication towers in the Angeles National Forest.