ubuntu@ubuntu:~$ sudo mount -o loop /media/ubuntu/Seagate\ Expansion\ Drive/sda-pass1.ddrescue /media/ubuntu/Seagate\ Expansion\ Drive/Mount/
mount: wrong fs type, bad option, bad superblock on /dev/loop1,
       missing codepage or helper program, or other error

       In some cases useful info is found in syslog - try
       dmesg | tail or so.