The address of the picture
http://192.168.11.3/~ulla-maijakulju/images/HC2.jpg
isn't on the Internet, the 192.168.11.3 part is a local address on your own computer network, not visible over the Internet.
You can upload the picture to the "Beachcats Identification" photo album so people can see it.
Finally I got the picture linked from the identification page. Is this an older hull model oh the H20, because the tremoline has been lifted higher from the forward decks?
Do you just have the photo, or can you see the boat in person? If you can go to the boat, get the HIN number off the starboard stern, that will tell the manufacturer.
Where were these pictures taken? Interesting, there is a 20 on the sail but those beams, hiking rack? Squaretop main and spin aren't H20 and the Fox is the only other Hobie 20 footer I know of, including Hobie Europe.
Here's one more! Same hulls but this time with a tornado main and tiger spinnaker?? I'm confused. All the pictures have been googled. Keyword was hobie 20.