Illustrative Pen Drawing:Eye as a planet(Progress Shot)

Hi Steemians, been a minute yo!
So I finally got the chance to continue my Eye as a Planet Concept,here is another progress shot.

As this is like my first serious Pen art , I kinda found it hard creating contours for a more realistic outcome tho ,but then I ain't that bad I guess...Trying so hard not to rush things but still can't wait to see the outcome..patience is mostly needed in for a detailed pen art.

Here are the progress shots so far
Progress shot 1

Progress shot 2

Progress shot 3

Progress shot 4

So sorry for my incomplete previous post,it was a mistake..
Thanks for checking through guys..
Comments are highly welcomed..