20150218 CaK, white light, Ha solar

[ham]

Mod Skywatcher 50mm finder F3.7
Diy 30mm dia.telecentric system
ZWO ASI 120MM camera
Processing s/w AS!2
Image Left-Right reversal
CaK II image : 394 nm 0.2nm & 4nm beamwidth Double stack back filter
White light image: ND400 Prefilter + Ha 7nm back filter
Ha image :656.28nm Double stack Ha Prefilter Coronado Solarmax II 40mm, back filter Omega Ha 0.15nm beamwidth

[Eddy So]