A visitor to the Solar System – Comet C2015 G2 (Master). It was at about sixth magnitude in the constellation of Lepus.
I took this image with a Canon 60D camera mounted on a Vixen Polarie motorised equatorial drive:
I first spotted this comet two days earlier when it was in Eridanus. This was with just a 50mm lens on the same camera, mounted on a tripod:
All images © R.Powell