Become a Registered Member.

Anyone can become a registered member. Registered members can edit and create topics and upload images and photometry data files.

Member Rules

  1. No Malicious hacking.
  2. Minor corrections in grammar, spelling, and syntax are always welcome.
  3. Contextual changes must be accompanied by citable reference.
  4. Images that are posted must be your own work or cited as public domain. (see copyrights)

How to Register

  1. Contact us at “director@digital-sf.com.
  2. Send us your real name, your desired user name, and a valid email address.
  3. You will be notified when you are registered (usually 1-2 days) and will receive an anonymous temporary password.
  4. Login as soon as possible and select the “update profile” link at the top of the page to change your password.

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