Louis, R. E; Mathew, S. K; Bellot Rubio, L. R; Kiyoshi, I; Ravindra, B; Raja Bayanna, A
(IOP Publishing, 2012-06-20)
High-resolution blue continuum filtergrams from Hinode are employed to study the umbral fine structure of a regular unipolar sunspot. The removal of scattered light from the images increases the rms contrast by a factor ...