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Data Main

  • AAVSO International Database (AID)
  • Portal for Researchers
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    • Download Data in ASCII Form
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  • The AAVSO Photometric All-Sky Survey (APASS)
  • AAVSOnet Epoch Photometry Database
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Announcement: New Forums

We are excited to announce the launch of our new forums! You can access it forums.aavso.org. For questions, please see our blog post. New threads should be posted on the new forums. The forums at aavso.org/forum will become read-only on September 12, 2024.