A photo taken in far ultraviolet light reveals how hot solar gases trace the outlines of the complex magnetic field that swirls about the sunspot region 2396. Credit: NASA/SDO

Massive Sunspot Seeths / Weekend Aurora Alert

Oh my gosh.  There’s a big sunspot group staring at us today. This Cyclopean eye extends some 93,000 miles (150,000 km), the equivalent of 11.6 Earths! If you have a safe solar filter, such as a #14 welder’s glass, you can easily see it as a dark blemish on the sun’s otherwise perfect disk. Moreover, this center of solar…
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Sun Soho feature

Solstice Aurora Coming? / Celestial Triple Treat / Wet Comet

Bam! Sunspot region 2371 let loose a hefty M3-class flare Thursday afternoon that propelled a ballooning cloud of high speed particles into space. Good news. Some of it’s headed for Earth, and we’re likely to get a taste of it on the first night of summer. NOAA space weather forecasters are calling for a G1 (minor) geomagnetic…
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An enormous filament of incandescent hydrogen gas some 8 million miles long detached from the Sun on April 28-29 and shoved off into space. Credit: NASA/ESA

Quiet Sun Throws A Spectacular Fit

After successive bouts of northern lights and a very spotty Sun during the first half of April, things have been VERY QUIET this week with no auroras in the forecast and no sunspots either. That didn’t stop the Sun from releasing an incredible plasma blast on April 28-29. Such a huge release of flaming hydrogen…
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Awesome Iceland Aurora Time-lapse And A Bear Claw Sunspot

Joe Capra’s recently released time lapse of aurora over Iceland and Greenland Nice work! Take a peek at Joe Capra’s recent 10-day shoot of the aurora and you’ll be licking your chops to fly to Greenland on the next available plane. Capra used three Canon 5D Mark III cameras with various Canon lenses to shoot hundreds…
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King-size Sunspot Slip-slides Away

Big, attention-getting and explosive, sunspot region 2192 will make a final bow before departing for the farside of the Sun in the next couple days. Many of us grabbed a souvenir photo of the giant spot during last week’s partial solar eclipse. Given its size and complexity there’s an excellent chance it will return in mid-November…
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