Found the answer here, even if it doesn't indicate that it needs to be run as root.

sudo modprobe nbd max_part=8
sudo apt-get install qemu-utils
sudo qemu-nbd --connect=/dev/nbd0 /path/myimage.img
sudo fdisk /dev/nbd0 -l
mkdir ~/mnt
sudo mount /dev/nbd0p2 /home/user/mnt

sudo umount /home/user/mnt
sudo qemu-nbd --disconnect /dev/nbd0
sudo rmmod nbd