[Aavso-photometry] Short-Exposure Photometry

[Michael Koppelman]

Thanks to everyone would replied. Yes, it must be scintillation. That 
sucks because I can't go longer or I'll saturate. I guess I can work in 
B and see how that works out.

Thanks!
Michael

On Jul 13, 2004, at 10:03 AM, <Arto.Oksanen at tietoenator.com> wrote:

> Been there and seen the same. It is scintillation or twinking of the 
> star by atmospheric turbulence. The shorter the exposure the more the 
> star brighness seem to vary.