1969 forest park , cigar , brownish gray color went of to the west

i was siting in my car at hampton and watson facing north forest park was at horizon line. the trees were starting to green up real good when i noticed a brownish gray shaped thing above the park .it floted there a min or less diped into the green of the park back up into view .lifted up about 4 times its lengh and started moving to the west it was out of sight it about 5 sec moving in an upward angle into some high cloudes. the thing was in the park between my drive line and barns hospital about by the horse stables, when it started  my distance was about 2.5 to 3 miles from the craft it was aprx 150 to 200 ft in lengh and no it was not the arena. this was a clear blue sky sighting
Witness indicates that the date of the event is approximate.  PD