[Aavso-photometry] Adequate FOV size?

[Keith Graham]

I see that a large FOV (30'x30') appears to be favored by some. I must say that I have a 11.5'x11.5' fov with my ST9e and LX200 12". It is a very rare occasion when I cannot get the variable and 3 comps from an e chart within my fov. For photometry, I will use only f charts when available, and these are well within my 11.5' x 11/5' fov. I will resort to the e charts when no f chart is available, but even then there are plenty of comps from which to choose that lie in my fov.  

Cheers,

Keith Graham