Destiny: House of Wolves – where to find hidden Ghosts in the Reef - VG247http://www.vg247.com/2015/05/19/destiny-reef-hidden-ghosts-locations/
The second Ghost's a little more difficult. Stand in the middle of the Vestian Outpost and look towards the door the leads to the Queen. Underneath the platform, on the right, you'll see a suspended piece of scaffolding. That's where you'll find the Ghost.
Submitted in section: Paranormal news 2015: Destiny: House of Wolves – where to find hidden Ghosts in the Reef - VG247