In Iain M. Banks' Culture series, customarily, a ship Mind displaces (teleports) your body to the center of the nearest star on death. That way your atoms contribute to the star and will eventually rise to the surface and spread through the universe. Also takes care of prion diseases.
This would be a spectacular way to go! Well, post-go.
a post-go go
Set up one of those thermal solar power plants that are like a sea of mirrors and a tower with a boiler on top, then raise the body in a cage on a winch to the top.
"Head towards the light".
That would be a specular way to go.
Sound's like Orholam's Glare from the Lightbringer series.