According to NASA, this complex mass of plasma gyrated and spun about over the course of 40 hours above the surface of the sun on Sept. 1-3, 2015. In this sequence, it was stretched and pulled back and forth by powerful magnetic forces of sun.
SDO captures imagery in many wavelengths, each of which represents different temperatures of material, and each of which highlights different events on the sun. Each wavelength is typically colourized in a pre-assigned colour. Wavelength in this picture is colourized in blue.