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1 member, 67 messages added in the last 7 days

Group Description

An interactive group for users of Coronado sun filters. Learn more about how to get the most out of your equipment and observing. Keywords: solar filter sunspots spots hydrogen-alpha h-alpha astronomy observe

Group Information

  • 556
  • Solar System
  • Apr 2, 2001
  • English

Group Settings

  • This is a public group.
  • Attachments are permitted.
  • Members cannot hide email address.
  • Listed in Yahoo Groups directory.
  • Membership does not require approval.
  • Messages are not moderated.
  • All members can post messages.

Message History