The Cat and The Moon - Final Version

I've drawn this twice before, but I think this may be my last time drawing it. I just wasn't satisfied with my last two attempts and felt that I had to keep trying different ideas. I feel this may be 'the one'. I plan to do it in watercolor and may add some ink, we'll see what happens as it progresses. This will also be my first time using Illustration board, rather than watercolor paper. Here's the sketch so far, getting ready to start finalizing it on the illustration board: Final Finished Piece