Saturday, March 2, 2024

Sun Sol'ex Ca K and H-Alpha

A clear sky this morning for about 90 minutes, enough time to set up my Sol'ex and capturing the sun in H-Alpha and Ca K.




Some interesting prominences can be seen in both H-alpha as Ca K.

Setting: TLAPO 60/360 f/6, Sol'Ex with ASI290MM
Filter : Hoya 16
H-alpha : 7,1319ms or 139fps, ROI 1936x548, 16bit, bin 1x1
Ca K : 12ms or 83 fps, ROI 1920x1080, 16bit 1x1
Software : SharpCap 4.1, Inti, SHG4.3, CS4, IMPPG

Some interesting facts :
INTI gives a tilt of -2,9° while SHG gives a tilt angle of -12
Also the X/Y ratio is same for both INIT and SHG: 1,15