unexplained departure from atmosphere

((name and e-address deleted))  Im 37, never seen anything odd or could not explain in my life.  I have perfect vision, on no medication, etc..  
It’s 1997 now, but in 1994, an incident occurred. This has been occurring to me lately, I saw a, lets say, UFO.
 Im from Dayton, OH, but I was in Fairborn, OH, this particular day It was around 12:00 noon, full daylight, little clouds in the sky..  I walked out outside of a apartment complex, mind you id been up since about 9:00 am, as soon as I get outside, I noticed a round, rather large object sitting in the high air, hovering.  A friend was with me but I was so attached to the object in the sky, I wasn’t able to say anything to him till it was all over.  I continued walking and starring, after about 8-10 seconds the object ascended, or rather departed farther into the sky.  Estimating another 5-7 seconds to depart.
 Now this is the reason why I believed what I saw.  Not only a full beautiful day of sunlight, hardly a cloud in the sky, but... As the object departed, whatever part of the sky this is actually visible, (I’m not sure if our own space shuttle does this, I could be wrong, but I don’t think so) I noticed I could see a distortion around the object.  Simply I could see black around the departing object, rather the distortion allowed me to see, without the blue sky, right into space, or rather the point of leaving the atmosphere allowed the, or didn’t allow light as normal.  I cant really explain, but my brain, or rather I would have never have thought of that occurring. The process that took place I’ve never considered.  I believe what I saw only because of the sunny day, perfect vision, not really, the distortion around the object as it departed, like I say, I could not have conceived the Idea of what I saw.
 I, in general do not think of this memory, vary rarely, but an idea popped into my head to write and send to , somewhere.  I don’t expect belief, anyone can say anything, I would like an explanation of a similar distortion that occurs as an object departs, or it only happens under certain conditions, as I explained.
 Its thursaday, Jan 25, If explanation, please reply..
((name deleted))
Witness indicates that the date of the incident is approximate.  PD