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Super Sunspot AR1746
Sunpots are cooler regions in the photosphere where the magnetic field pops through and cools the surrounding plasma. The latest large sunspot rotated into view on May 5 and is the largest since 2003. Active Region (AR) 1476 spans about 160,000 km (100,000 miles) in this image. Image taken on 5/11/2012 using a 90mm refractor at f30, Lunt solar wedge and 532nm filter with a DMK41AU02 camera. See live images of the Sun on our "PLANETS" page.
M95_2012_03_22_6SCT_16IC_32min_SN2012aw.jpg 2012_04_27_Moon_6SCT_f20_656nm_-_Copy.jpg 2012_05_11_AR1476_Solar_Wedge_90mm_f30_LRdecon_532nm.jpg Rho_Ophiuchus_region_2012_05_16_71FL_XS_36min_iso800.jpg IC_1275_2012_05_20_71FL_XS_120min_iso800_-_Cropped.jpg
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