[Aavso-photometry] Short-Exposure Photometry

[Arne Henden]

1. defocus
2. stop down your telescope aperture
3. wait for a poor seeing night
4. wait for a cirrusy night
5. take multiple exposures and average
6. don't work close to the horizon
Plenty of ways to defeat scintillation!
Arne

Michael Koppelman wrote:
> 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.
> 
> 
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