Starwatch: celestial dolphin makes a splash in the night sky

Use the bright star of Altair in Aquila to orientate yourself to see Delphinus, one of the smallest constellations

This week's constellation is a pure delight. Delphinus, the dolphin, is one of the smallest, faintest constellations in the sky, but once seen it is impossible to get the image of a celestial dolphin jumping up from the Milky Way out of your mind.