Unveiling the M31 mystery - Introducing Ghost Planetary Nebulae

by Tim Schaeffer

Equipment: Takahashi FSQ-106EDX4, Player One Zeus-M Pro, ZWO ASI6200MM Pro

Integration: 555h 18m 59.94s

The Andromeda galaxy, also known as Messier 31, is a galaxy in the constellation Andromeda, lying at a distance of roughly 2.5 million lightyears, making it the closest (non-satellite) galaxy to our Milky Way. Its proximity to our Milky Way and sheer size made it invaluable in building our understanding of galaxies and galactic evolution. Until recently M31 was best known for its large size and…