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THE STORM IS NOT OVER: Last night's historic geomagnetic storm produced auroras as far south as the Florida Keys and Puerto Rico. The storm is subsiding now, but it is not over. At least one more significant CME is on the way, and it could push the storm back to severe or even extreme levels. Follow this developing story @

SpaceWeather.com -- News and information about meteor showers, solar flares, auroras, and near-Earth asteroids Sunspot number: 156 What is the sunspot number? Updated 11 May 2024 Spotless Days Current Stretch: 0 days 2024 total: 0 days (0%) 2023 total: 0 days (0%) 2022 total: 1 day (

Take out your eclipse glasses today (May 8).

A big sunspot is visible.

How big is AR3664? Sprawling almost 200,000 km from end to end, it is 15 times wider than Earth. You can see AR3664 through ordinary eclipse glasses with no magnification at all. Moreover, it is easy to project an image of this sunspot onto the sidewalk or a white screen just as Carrington did in the 19th century.