Published October 28, 2021 | Version v1
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SATCON2 Observations Working Group Report

  • 1. University of Washington/Vera C. Rubin Observatory
  • 2. University of New Mexico
  • 3. University of Helsinki
  • 4. Amazon Kuiper
  • 5. SKAO
  • 6. Truman State University
  • 7. The Exclosure
  • 8. AAVSO
  • 9. SpaceAble
  • 10. SpaceX
  • 11. University of Arizona/Steward Observatory
  • 12. European Space Agency/Max Planck Institute for Extraterrestrial Physics
  • 13. University of Regina
  • 14. US Air Force Research Laboratory
  • 15. Instituto de Astrofísica de Canarias
  • 16. Universidad de Atacama
  • 17. NSF's NOIRLab
  • 18. Lowell Observatory


The SATCON1 workshop studied the situation one year ago, in mid-2020, with a focus on mid-latitude observatories utilized by North America-based astronomers working at optical and near-infrared (NIR) wavelengths. The two main findings were that lower-altitude (below 600 km) satellites are strongly preferred, and that various mitigations can help but not fully avoid the impacts of satellite trails on science from present and future astronomy facilities. The published report following SATCON1 (Walker et al., 2020a; hereinafter the SATCON1 Report) further detailed 10 recommendations, three of which were specifically for observatories and satellite operators in collaboration. These are the focus of the SATCON2 Observations Working Group.



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