Final chance to see rare comet around Portland KOIN.comComet Tsuchinshan-ATLAS is a Halloween visitor from the spooky Oort Cloud − the invisible bubble that's home to countless space objects Space.comThis Week's Sky at a Glance, October 18 – 27 Sky & TelescopeTime is running out to see Comet Tsuchinshan-ATLAS before it disappears for possibly forever Fox Weather Going, going, almost gone.