Serpens

Serpens is the only constellation split into two parts: Serpens Caput (the head) and Serpens Cauda (the tail), divided by Ophiuchus. Serpens Cauda contains the Eagle Nebula (M16), famous for the Pillars of Creation. It also contains M5, a fine globular cluster.

Location in the Sky

When to Observe

Serpens is best observed during July. It is located in the NQ3 quadrant and is primarily visible from the both hemispheres. The constellation contains 11 main stars forming its asterism, with 28 Bayer/Flamsteed designated stars in total. Its brightest star is Unukalhai.

Mythology & History

In Greek mythology, Serpens is the snake held by Ophiuchus (Asclepius), the healer. The serpent represents wisdom and healing, as Asclepius learned the secret of life from watching a snake. The rod of Asclepius with a single serpent remains the symbol of medicine.