File:Massive X5.4 Flare on March 7, 2011 -Hinode XRT-.webm
In first few minutes (UT) of March 7, 2012, NOAA active region 11429 let loose a massive X5.4 flare, the second largest of the current solar cycle after the X6.9 event on August 9, 2011. The left panel above shows XRT's view through its thickest filter, allowing us to see into the hottest part of the region and providing a great compliment to the spectacular images taken by AIA, which observes lower-temperature material. This movie strings together observations from several of XRT's filter combinations, which causes the slight flicker from frame to frame but gives us the full time evolution of the event in one sequence. After the X5.4 flare at 00:24 UT, a second X-flare goes off around 01:14 UT, after which we see expanding post-flare loops.
Questions and comments welcome at xrtpow "at" gmail "dot" com
Hinode is a Japanese mission developed and launched by ISAS/JAXA, with NAOJ as domestic partner and NASA and STFC (UK) as international partners. It is operated by these agencies in co-operation with ESA and the NSC (Norway).
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