This topic may not be covered completely by 'artificial lighting'

How does Natural North Light Sunlight CRI and color temp vary by latitude and passage through various filters such as traditional window glass?

Historically many artists even before photography sought North Light, Rembrandt for one. I have read of early photographers and studios building walls of glass on the North side, some with reflectors from other directions. Here is the only modern one I know of. Nostalgic Glass Wet Plate Studio

Does any artificial light match 'real' North Light?

Movie crews do use a lot of lighting, shining it inside rooms with massive artificial light from outside.

Are there artificial lamps that work as well as real light for Wet Plate?

I am aware of the $6000 ARRI SkyPanel S60-C LED Softlight.