Thursday, May 1, 2025

Sunspot AR4079

Sunspot AR4079 was imaged this midday with good transparency and moderate seeing. The size is about 1070MH and thus visible with the naked eye (using an eclipse glasses ofcourse).

Setting: TAL200K, ASI290MM with barlow x2
Filters: ND3.8 solar filter, OIII and IR/UV cut filter
Software : Sharpcap, AstroSurface, CS4






Tuesday, April 29, 2025

Sunspot AR4079 in CaIIK1v

A new sunspot AR4079 is showing up on the east. Image taken in CaIIK1v line.

Setting: TLAPO80/480 with Sol'Ex Pro 2nd Gen slit and ASI678MM
Herschel Wedge
Seeing : Poor
Tilt: 1° 
Software : SharpCap, Inti, CS4





The Sun April 29, 2025

 





Monday, April 28, 2025

Sun April 28, 2025

Setting
TLAPO80/480 with Sol'Ex pro 2nd Gen Slit and ASI678MM
Herschel Wedge
Tilt <0,8° - Sx/SY=0,9
Software: SharpCap, Inti, CS4






Sunday, April 27, 2025

Sol'Ex H-alpha, beta, gamma, CaII H and HeI D3

The Sun this morning with some beautiful prominences. Imaging the Sun in H-Alpha, Beta, Gamma, CaIIH and HeI D3.


Setting
TLAPO80/480 f/6 with Sol'Ex pro 2nd Gen slit and ASI678MM.
Herschel Wedge
Tilt <1° and Sx/Sy < 1,2
Software: SharpCap, Inti, JSolex, CS4







Saturday, April 26, 2025

Sun op April 26, 2025. Flare sequence in CaII


Sun on April 26, 2025 imaged with Sol'Ex Pro 2nd Gen Slit. Some clouds, limited wind  and seeing was fair.
For the first time I could capture a flare sequence in Ca II. 


Setting: TLAPO80/480 with Sol'Ex pro and ASI678MM
Herschel Wedge
Tilt: 0,5-0,8° and Sx/Sy 1-1,2
Software : SharpCap, Inti, JSolex, Astrosurface and CS4


 

Flare sequence