 The best time for observation is in the evening sky during the summer months, when the "Dragon constellation" passes the meridian at midnight, but given its circumpolar nature in the northern hemisphere, it is visible to most of the world's inhabitants throughout the year.Epsilon Draconis is a yellow giant star with a spectral type of G8III.It has a radius that has been estimated at 10 solar radii and a mass of 2.7 solar masses.