A raw image of the galaxy NGC6240 taken with the NIRC2 camera on Keck 2, widefield mode using a PK50-1.5plus a BRγ filter, image credit W. M. Keck Observatory
A raw image of the galaxy NGC6240 taken with the NIRC2 camera on Keck 2, widefield mode using a PK50-1.5plus a BRγ filter, image credit W. M. Keck Observatory