Kumar, M.; Dwived, B. N.; Srivastava, A. K.
(Adv. Geo., 2011)
We analyze the temporal image data of the on-disk coronal hole as observed on 31 March 2007 by the XRT/Hinode telescope and Al-poly filter. We choose this temporal image data of 30 s cadence from 11:34:48 UT to 14:19:35 ...