I took these northern lights pictures in north pole (nordale road) on september 16 around 11:30 p.M. i didn't even noticed the blue spot under the northern lights until i uploaded all pictures on my computer. when i zoomed that, i can see the share of that subject, and the light going on the ground. i might mistake that it was ufo subject, but i'd like to hear a professional opinion about it. i took many pictures of the northern lights the same night, and this was the only picture with the subject and the light. thank you!