In this issue Keith Venables discusses how amateur astronomers have been quick to find many applications for the Raspberry Pi; Paul Temple shows that if you are on a limited budget consider spending your money on a good mount and consider an achromatic refractor to mount on it; Tony Bryan designs and builds a 28-inch F/3.6 Dob; Ken Kattner provides an overview on what is “seeing”, why do we care and how can the Cyclope Seeing Monitor keep you ahead of the game?; Plus industry news, new products and more.