To reduce the number of false detections on data, caused by image artifacts, the image quality is tested before event detection. An overview of the number of SDO/AIA images that failed or passed these tests between January 1, 2014 and November 20, 2014 is provided in this table.
|.. due to AIA quality keyword||2,688||2,683||3,350||3,350|
|.. due to additional tests||422||1,052||252||121|
|.. other (data gaps, reboots, etc.)||1,111||1,102||754||775|
|Total # images||153,360||153,197||225,442||227,742|
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