[Aavso-photometry] Standard deviation calculation

[Dave Lane]

arne wrote:
> 
> There is no simple mechanism that gives you a perfect estimate of the error.
> The (K-C) process gets you most of the way there and is one that we might
> get most observers to use (rather than the very optimistic Poisson error
> estimate that many use now).  If you want to try something more accurate,
> then by all means look at the real error equation and see what results
> you obtain.

Arne,

Should one report just one times the SD of the K-C for the time series, 
or something more pessimistic (eg. 2SDs=95%). I guess what I'm really 
asking is what is the error estimate supposed to tell the user about the 
data and is that documented somewhere?

... Dave