The Phantom of the Opera Nebula
Start the music! With “Children of the Night” playing in my head, I shot this faint target last night. Sh2-173 is an
Author: admin_j9ezzpi4
Crescent Nebula
The Crescent Nebula (oka SH2-105) is an emision nebula in the constellation Cygnus, about 5000 light-years away from Earth, or 29,400 trillion