GALEX FUV image of the M81 and M82 region where FUV objects are detected. The contours in black are H i contours from Yun et al. (1994). FUV objects are numbered 1–8 and the general location of the region called Arp's loop is marked. North is to the top and east to the left, M81 is shown partially in the bottom of the image and M82 in the top of the image, Holmberg IX is to the east of M81, the cutout is 31.1′ × 42.6′. H i contours adapted from Yun et al.'s Figure 1 by permission from Macmillan Publishers Ltd: Nature, copyright (1994).