› Forums › Variable Stars › CG Dra: a VSS campaign › V filter and CV filter: what differences do we expect?
28 July 2021 at 6:50 pm
#584534
![](https://britastro.org/wp-content/uploads/2020/08/picture-10338-1596391155-80x80.jpg)
Participant
I am occasionally contributing to the present campaign on CG Dra with a V filter on iTEL 18 in Spain. Many of the results are being gathered using the CV method.
What systematic differences do we expect between the two?
Stewart