Can someone help with this dark spot on my favia

[Gaspipe]

I also included the pic from the WYSIWYG..

Thank you in advance.

-Gaspare

 

[vetteguy53081]

Pics very blue making it hard to tell

 

[Gaspipe]

Unfortunately for me, I do not think I will get a clear shot. I turned off my two blue strips and turned the Kessil to all white on the knob.