Home Observing Imaging Data processing
Literature History Buy from locals About

  • Observing – Gives some information on the process of observing shells.
  • Imaging – Describes how the images are taken.
  • Data processing – Explains how the material is recorded in a database, and how these HTML pages are produced (including the maps). The database application is free (but not yet available).
  • Literature – Hints on bibliography.
  • Site history – History and versions of this site.
  • Buy from locals – Shells for sale from local dealers.
  • About – About this site and contact.


February 2026 • Version 12