Spitfire flying in the nebula suggesting that she can reach warp speed.. And apparently also breath in empty space... Rainbow Dash shall be jealous by that...



Now on more serious note... I really like your color choices while I a bit do not like Princess Luna pose here the telescope looks interesting – especially it reflection, floating in space top of a tower just lovely...



Color choose once again wonderful! Especially I do like the feather or shall I call it a quill?



However a bit sad it kinda looks like poor princess misses shoulder at her right (her own perspective) hinder-leg and it instead connects somewhere closer to the belly... However rather then that it wonderful image!