Single light moved quickly in different directions and disappeardWe were on a cruise heading north of Juneau and asked the front desk to notify us if the captain saw the northern lights. As the two of us gazed into the sky looking for the lights, we saw a light in a sky and it moved very quickly in a line heading south and then quickly go in an angle and disappear into the sky within seconds. We have never seen anything move so quickly in the sky.((NUFORC Note: Witness elects to remain totally anonymous; provides no contact information. PD))((NUFORC Note: Witness indicates that the date of the sighting is approximate. PD))