Thanks everyone!
@jjjnettie: grazie!
@mill: thanks, glad you like them
@Ross G: thank you, do you think there is an excess of red in the core?
@DavidTrap:
that was a typo, I corrected it.
@atalas: thank you for the detailed comment, I'll have a look at it tonight again. If worth the effort I'll post an update.