Asteria — interactive night sky map
Sharpless 2-155 is a deep-sky object in the constellation Cepheus with an apparent magnitude of 7.7, spanning about 50 arcminutes. It is within reach of binoculars or a small telescope.
It is best placed in the evening sky around September. It is visible from the whole northern hemisphere and from southern latitudes down to about 27°S. It is circumpolar (never sets) north of latitude 27°N.