so today i sent 1,4 bitcoin from my wallet to bittrex. when i open the transaction id in blockchain it says 0.142 bitcoin is going to the bittrex address which i manually have put in and the rest of the amount (1.277 bitcoin)is sent to some another address?

is this normal? Im freaking out a little over here.Its not the first time I transferred bitcoin to my bittrex address..

this is the transaction id:  a91d6721921304f11ed17960d3a3d19e3ba75c56fa377b4c6656c04f82906dc7
this is my bittrex address:  1NghDyYewpBYGHUWYFBjjx4HXHk9NqopBs


I found the amount in my wallet.. this thread can be disregarded