Regardless of what your user name is as it appears to others, you CAN put your real name in your profile along with any credentials you wish for people to know about you. This can be edited easily and at any time without messing with your observations. You DON’T want to change your user name as it causes all kinds of issues in transferring your observations (take it from me, when I first started somehow I ended up with two user names by accident and it was a conundrum getting my observations all correct and accounted for).