Sun - 20230817 Ha
Sun in Ha - 2023-08-17
I am fortunate to have been loaned a Lunt LS60T Solar Telescope from my club, SCASTRO (South Cheshire-UK).
I have to admit that I am quite impressed with this diminutive telescope with its 60mm objective. I spent a few days viewing and recording prominences and filaments. I decided to try some imaging using my ZWO ASI224MC planetary camera, coupled with a Bader modular Barlow lens.
If I was impressed before, I am over the moon now. Although there is a loss of light and contrast using the Barlow lens, the results I feel are quite delightful.
The first 2 images here (8 bit RAW and mono) - are conventional view, North to the top and West to the right, taken without the Barlow.
All images were captured using Sharpcap (500 to 2000 frames), stacked using Autostakkert! and finally processed using Registax 6.
Filaments are very clear, far better than naked eye viewing. Prominences are lost in contrast slightly but are still visible.
The addition of the Barlow and 24bit RGB colour added a little more detail.
The prominences are far more visible with this image. This is partly due to 'tuning' the Elaton - a special kind of dielectric filter that only allows very narrow band Ha light to pass through. the reduction in contrast using the Barlow has also helped. (Not sure why this image has 'shrunk' so much. Tracking wasn't far out..)
The SE quadrant.
The NE quadrant.
As a first attempt, I am absolutely delighted with these..
More to come.