Re: 96 29A & C obs report, June 9, 1996

Walter Nissen (dk058@cleveland.Freenet.Edu)
Sun, 9 Jun 1996 18:38:26 -0400 

Mike McCants writes: 
 
> I can only push my stopwatch button at a rate of once every 0.2 seconds. 
> This was a little longer than the separation between the flashes.  So 
> perhaps the separation was about 0.15 seconds. 
 
I'm told by Leith Holloway that the "persistence of vision" is about 1/7 
of a second.  So would the actual period be about .30 seconds?  Or do I 
misunderstand?

Cheers.

Walter Nissen                   dk058@cleveland.freenet.edu