Tuesday, June 11, 2024

http://solardatabase.free.fr

I got an invitation from Didier Favre to upload my images of the sun on the website http://solardatabase.free.fr/#

I uploading images from June 9th : H-alpha, Doppler, H-beta and Ca-H line.



Monday, June 10, 2024

Doppler Effect of Sun June 9

 


Doppler Image of Sun (H-Alpha) of June 9, 2024 processed with JSolex. 

Sun in Mg I(b1)

My first image of the Sun in Magnesium I (b1).

Setting :
- TLAPO60/360 f/6 with Sol'Ex and ASI290MM
- Hoya 1.6 filter  
- Software : SharpCap, SHG and CS4


Compare with H-Alpha image:







Sun in H-Beta

My first picture of the Sun in H-beta. Image taken using my Sol'Ex.

Setting: 
- TLAPO60/360 f/6 with ASI290MM
- Hoya 1.6 filter
- Sol' Ex
- Sharpcap, SHG, CS4



For comparison with H-Alpha and CaH line





Saturday, June 1, 2024

H-Alpha Sundisk with Scale


The Sun in H-alpha from May 10, 2024 and adding a scale to have insight of the dimensions.

Scale template from http://solardatabase.free.fr/#





Sunday, May 26, 2024

Sunspots: what to see?

I used my picture of the huge sunspot AR3664 to point out what to see beyond the umbra and penumbra.


 

Friday, May 24, 2024

My picture of Sunspot 3664 on STCE website and newsletter 20240524

My picture of the very active Sunspot AR3664 taken on May 9th, is published on the Solar Terrestrial Centre of Excellence (STCE) website.




See also the newletter in pdf