Astrophotography 

Photographing the sky, most often the stars and the galaxy but also auroras and other galaxies far away, usually with special equipment.

Jim's really into astrophotography isn't he?

Astrophotography by MrDankYT January 22, 2020

Astrophotographer 

A person who spends way too much money on a piece of glass inside of a tube, then gets easily depressed by a number being slightly different from what they want, leading said person to spend even more money, going into a bigger and bigger hole.

" Hey, your brother's an astrophotographer? " - Person 1
" Yeah, he is. " - Person 2
" God, I'm so sorry for your loss. You must be devastated. " - Person 1

Astrophotographer by bonkerdonker April 5, 2021