This post is also available in: 日本語 (Japanese)
Andromeda’s Parachute (Quasar) 2021-11-07
A celestial body 11 billion light-years away. The three shapes A, B, and C are umbrellas, and D is the base arrangement. The resolution depends on seeing condition, but the separation of the three stars is very strict.
45㎝ F/4.5 Newtonian
