Lunt Solar Systems LS60TCaK/B1200/ Calcium-K line <2.4 Angstrom bandpass
Imaging Source DMK 41AU02.AS 1/2500sec.x521 09/23/2011 02:09(UT) 11:09(JST) Ksai Reducer0.75
RegiStax6 & PhotoshopCS3

Calcium-K line image of SUN