Sun Gardient radius.

Hi, I want to replicate the sunrise from this video:

So, I need a radius sphere in Sun position, I did this with Power.
I get the Sun position from:


And I create the Radius:


Ok, this work great, but I don’t what a rounded radius, I want more like:


If you don’t understand from photo, I want the sphere compressed.
Thanks for reading.

You might be better off creating a particle of it in that case and simply rotating it around in the same direction as the light source.

Hi Higuy, I did this:


But:


How I move down?