The first image [-7] is basically the same as the classic WFPC2 image jzl was referring to -- i.e., using the same mapping of emission-line filters to R, G, and

The first image [-7] is basically the same as the classic WFPC2 image jzl was referring to -- i.e., using the same mapping of emission-line filters to R, G, and B -- just using a newer camera.