The source was http://pdsmaps.wr.usgs.gov/PDS/public/explorer/html/moonlvls.htm.
After some retouches this was the result. I'm satisfied with the result. It's a 8k texture without bumpmap because my ATI Radeon 8500 card makes celestia crash if I have bumpmapping on:
![Image](http://www.medtelecom.net/miguelsoria/celestia/moonclem03.jpg)
![Image](http://www.medtelecom.net/miguelsoria/celestia/moonclem02.jpg)
![Image](http://www.medtelecom.net/miguelsoria/celestia/moonclem01.jpg)
I also made a specular map for Europa's galilean moon. I don't know how close to reality it is, but It seems nice to me:
![Image](http://www.medtelecom.net/miguelsoria/celestia/europa01.jpg)
And finally, as a gift, a nice night view of West Europe.
![Smile :)](./images/smilies/icon_smile.gif)
![Image](http://www.medtelecom.net/miguelsoria/celestia/spainnight.jpg)
Regards from Spain.
![Smile :)](./images/smilies/icon_smile.gif)