Thursday, August 7, 2025

The Sun August 3 2025 Halpha, beta, HeID3, CaIIH/K, G-band and FeII/TiII

Sunday morning August 3, 2025 and a clear sky... at least untill noon time.
The objective was to adjust the collimator for both H-alpha as CaIIH/K using the Sol'Ex by James R.

I got some very good results with H-alpha,, HeD3 and H-beta. The Ca ion lines were a bit tricky and rather moderate. I will have this done next time.

Seeing conditions moderate but below 2,5arcs. Got into the G-band with good results and also for the FeII /TiII line. This last one has a simular structure as HeID3 line.

Setting: TLAPO80/480 with ASI678MM and Sol'Ex by James R.
Herschel Wedge
Sx/Sy < 1,1 and Tilt < 0,2°
Software: Sharpcap, Inti, JSolex and CS4