[Aavso-photometry] AX Per

[Keith Graham]

Hi Wolfgang,

> Nevertheless one should start with the obs right now as AX Per
> shows beside the EA and the Z And light changes also some
> (quasi) periodic changes in the 100-200d range and a rotation
> effect due to the red giant filling its Roche lobe.
>
> Clear skies
>  Wolfgang
What filters are preferred? Would B, V, and I be sufficient or should R be
included as well?

Keith Graham