When in the shuttle Tal tell Harry that she wants to see a nebula that with her own eyes and mentions that the nebula is 300,000 miles away. Even one of the the smallest nebulae is over 1 trillion miles across so at 300,000 miles away would be easily visible with the naked eye from any window facing it.
When Captain Janeway scolds Ensign Kim for his behavior (17:30-19:30), Janeway's hair has a blue glow surrounding it. She stands in front of the three windows in her ready room, revealing an obvious blue screen behind her causing the blue glow around her head.