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Post Info TOPIC: Sun 21.06.13


L

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RE: Sun 21.06.13
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The Sun captured in ultraviolet light with a small 113mm reflector and ND 3.8 Solar filter with UV  pass filter at ~ 380 nm.



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L

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On June 21, 2013, at 03:15 UT,  the sun erupted with an Earth-directed coronal mass ejection or CME, a solar phenomenon that can send billions of tons of particles into space that can reach Earth one to three days later. These particles cannot travel through the atmosphere to harm humans on Earth, but they can affect electronic systems in satellites and on the ground. 
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L

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Sunspots 11777, 11775, 11774, 11773, 11776, 11772 and 11770 captured with a 100mm refractor and Vesta pro webcam + DIY focal reducer and solar filter.
Labelled image processed with Avistack2. 



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