Normal growth?

I am about 7 weeks into flowering with 2 predominately afghan indica plants. As this is my first indoor harvest and i have only harvested outdoors, I am not sure what is normal.

There are a large number of red pistils, very red. They are curling a bit and rolling themselves up in between the white pistils which are still perky. So I guess the question is, red pistils shriveling up, is that normal? And 7 weeks into flower, what is the normal for a fully indica plant? I am just playing it by ear, I have no microscope to look at trichs but the buds should "look" ready and I havn't noticed this reddening of the pistils in my outdoor sativa strains.
 
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