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View Full Version : Astrophoto: Giant Sunspot Group on the Sun



Fraser
2013-Feb-21, 10:30 PM
On February 19 and 20, 2013, scientists watched a giant sunspot form in under 48 hours. It has grown to over six Earth diameters. This image by astrophotographer Paul Andrew shows a detailed, close-up view of this sunspot group, named AR 1678. NASA said the spot quickly evolved into what’s called a delta region, which [...]

More... (http://www.universetoday.com/100153/astrophoto-giant-sunspot-group-on-the-sun/)

otakenji
2013-Feb-23, 07:58 PM
Using the word "giant" is subjective. I would say it was the largest sunspot in the current solar cycle....as there were sunspots twice as large in the last one.