M4, NGC 6144, and Antares. Globular clusters M4 (right) and NGC 6144 (top), along with the bright star Antares (left), were captured here through a 4-inch refractor with a Canon 20Da camera at ISO 800 (four stacked five-minute exposures). The image was taken from Coonabarabran, New South Wales, Australia, on March 27, 2007.