At 3.4 , the apparent magnitude of Andromeda Galaxy is one of the brightest of that of any Messier object , making it visible to the naked eye on moonless nights even when viewed from areas with moderate light pollution .
At an apparent magnitude of 3.4 , the Andromeda Galaxy is notable for being one of the brightest Messier objects , making it visible to the naked eye on moonless nights even when viewed from areas with moderate light pollution .