The train to the distant right is the WB Skeena (now called the Jasper Prince Rupert train) at the station at departure time. The train near center being put together will follow her out. While it is 8:00 am, it is socked in overcast/dark.
A photo essay on the route of the 'Rupert Rocket' - CN's Jasper to Prince Rupert train (currently known as VIA train 5/6 'The Skeena') - during the CN and VIA Rail eras