Elminate Sun from Photo

I am trying to eliminate the blown out moon from this photo. but can't quite get it even.

Try this:

1. Open the picture file
2. Activate the Rectangular Marquee tool, and make a selection of a portion of the sky below the moon. On the tool's option bar set feather = 20 px.
3. Place the sky selection on its own layer (CTRL+J)
4. Activate the move tool and drag it over the moon - use the corner and side handles to manipulate the sky selection
5. Use the eye dropper tool to sample the blue color
6. Activate the Brush tool
7. Open a blank layer at the top in the layers palette, and with brush opacity about 30% touch up any spots that need it.

Try this:

Photoshop Elements Content-aware Fill