© P. Berlind & P. Challis (CfA), 1.2-m Telescope, Whipple Obs. 1997-01-02 Bubbles and Arcs in NGC 2359
© J. Rhoads (Arizona State U.) et al., WIYN, AURA, NOAO, NSF 2013-01-02 The Einstein Cross Gravitational Lens