Cédric Champeau's blog: JSol’Ex 3.0.0 is out!

A story where I describe how I accidentally discovered that the SHG 700 specs were incorrect: https://melix.github.io/blog/2025/03-11-jsolex-shg700.html

Thanks to Minh Nguyen for his support!

#JSolEx #spectroheliograph

Cédric Champeau's blog: JSol’Ex errands: How it helped uncovering an inaccuracy of the SHG 700 specifications

5 days of animation of the sun. Captured with MLAstro SHG 700 and processed with JSol'Ex. Images were roughly taken 24 hours apart (+= 2 hours), depending on the weather conditions.

#astrophotography #spectroheliograph

JSol'Ex 2.4 is out. Here's a small video demonstrating the new single-click Helium line processing: https://youtu.be/FGUuBiJ8cWo

Download at https://melix.github.io/astro4j/latest/en/jsolex.html

#JSolEx #Solar #spectroheliograph

What's new in JSol'Ex 2.4?

YouTube

Improvements of the day on JSol'Ex:

- translation to french
- open image file in explorer
- image auto-cropping
- a "mixed" image which combines the virtual coronagraph with the disk view

Great when public holidays allow you to make good progress :)

#solar #spectroheliograph

Soleil du jour avec #SolEx et une lunette de 72mm en Hα, Ca II H et continuum #sun #spectroheliograph #sunspots #astrodon #spectrography