"A ghost in the Milky WayÁÁ says Christian Bertincourt, the astrophotographer behind this striking image of Barnard 93 (B93). The 93rd entry in BarnardÁs Catalogue of Dark Nebulae, B93 lies within the Small Sagittarius Star Cloud (Messier 24), where its darkness stands in stark contrast to bright stars and gas in the background.