The storm interfered with navigational systems used in tractors and other farming equipment, leaving some farmers temporarily unable to plant their crops.

© Tiffany Graham

I don't know why YouTube is serving me all these concerts right now, but I'm not complaining. Here's Soundgarden - Hyde Park - Hard Rock Calling 7-13-2012 - Pro Shot (HQ) Full Show [1h54m], arguably the band at the height of their career after taking a break and reforming. This concert is shortly before the release of their final album King Animal.

SETLIST: 01 Searching With My Good Eye Closed 02 Spoonman 03 Gun 04 Jesus Christ Pose 05 Black Hole Sun 06 Outshined 07 Hunted Down 08 Drawing Flies 09 Blow Up the Outside World 10 Fell on Black Days 11 Ugly Truth 12 My Wave 13 The Day I Tried to Live 14 Beyond the Wheel 15 Let Me Drown 16 Pretty Noose 17 Superunknown 18 4th of July Encore 19 Rusty Cage 20 Slaves & Bulldozers/(In My Time of Dying)

Electrical utilities said they weathered earlier conditions as persistent geomagnetic storms were expected to cause another light show in evening skies.

© NASA/Solar Dynamics Observatory

The Space Weather Prediction Center said solar activity would be high again on Saturday.

© Olivier Morin/Agence France-Presse — Getty Images

Officials warned of potential blackouts or interference with navigation and communication systems this weekend, as well as auroras as far south as Southern California or Texas.

© NASA/SDO

Internet traffic dropped by 40 percent or more during the eclipse in states in the path of totality, including Maine, New Hampshire and Ohio, Cloudflare found.

© Madeleine Hordinski for The New York Times

The moon will drift far enough from Earth that it no longer fully obstructs the sun. But predicting when this will happen poses numerous challenges.

© Richie Pope

You can watch a projection of the eclipse using some common household items.

© Joe Buglewicz for The New York Times