[NorthernLight (Max)]

Hi Guys,

I have been playing around with my newly Baader modified 450D on a ED80 with field flattener plus a EOS clip in CLS filter. What I note is that star halos seem to be stretched towards the edge of the frame as I've had it with my Newton. It annoys me that I can't figure what the culprit is and hence I seek your advice on this matter.
Image attached, look out for the big orange stars towards the edge of field.

Many thanks for looking into this.

Cheers,