The UFO is present on the image provided on the CFH telescope’s website, so it is definitely not something added by a CGI gamer. The CFH video can be seen here. Video graded A. (As to what it is, well, that’s anybody’s guess.)
Story Source:
Dreamland Video podcast
To watch the FREE video version on YouTube, click here.

Subscribers, to watch the subscriber version of the video, first log in then click on Dreamland Subscriber-Only Video Podcast link.