The apparent magnitude of the Andromeda Galaxy , at , 3. 4 , is one of the brightest of any of the Messier objects , N , making it visible to the naked eye on moonless nights even when viewed from areas with moderate light pollution Although it appears more then six times as wide as the larger telescope , only the brighter central region is visible to the naked eye or when viewed using binoculars or a small telescope . making it appear similar to a star .  ESO Telescope