by wkitty42 » Tue Jul 12, 2022 8:50 pm
TheEagle wrote in Tue Jul 12, 2022 8:30 pm:Why are the stars so pointy ? Is the lens causing this, or was that done with post-processing ?
absolutely no post processing... especially not to add diffraction spikes...
those diffraction spikes are the result of the three legs holding the secondary mirror and the 6 edges of each of the mirrors...
"You get more air close to the ground," said Angalo. "I read that in a book. You get lots of air low down, and not much when you go up."
"Why not?" said Gurder.
"Dunno. It's frightened of heights, I guess."