Star gazing with a friend during meteror event we watch the stars. The background of the sky was midnight blue. Nearly 10:30 pm the background sky was nearly pitch black.I picked a spot out of the Northern Milky way and watched. And thats, when the First of Seven jetted across my view. Extremly high in altitude. I would guess nearly 60,000 feet. Traveling due South. If I would have blinked my eyes I would have seen nothing. The first object was pitch black ellipse in shape and jagged edges all around. It was the size of three football fields combined sq. ft. Second and third objects identical in size were directly behind split apart same shape and color. If the those two were combined they would be half the size as the first. Fourth and Fifth identical size, directly behind two and three. Split apart same color and shapes if combined they would be half the size of object 2 or 3. Sixth object half the size of 4 or 5 directly behind and centered. Seventh object same color and shape half the size as 5. However, it was offset from the previous 6 craft and out of formation from the group. All were traveling extremly fast. They bolted from the far Northern View of the Milky to the South under 10 seconds. I have a photographic memory of what I saw. They crossed my window of view and one could barely distingish let alone see them because the color was so black and the background sky was nearly black. They made no sound. As I'm watching them I tell my friend and look off them for a second or two to point them out to my friend. It took 2 or 3 second relocate them. Within one or two seconds they vanished into Far South through large Cumulus Anvil cloud that was 100 miles away to the South of North Platte, Ne. Definately, UFO's I could see them visibly because they blacked out the stars lights as the passed over my view. Definately 7 objects total. Group of six were in perfect formation following the leader. I could distingish them as seperate because I could see the stars between objects. The Seventh object was trailing the group seem to keep it distance from the main body. All seven were of the exact make just the sizes varied from largest to smallest. Anyhow, I got the best view and my friend only seen a glipse of what I witnessed.((NUFORC Note: Witness indicates that date of incident is approximate. PD))