The Haleakalā Observatory, also known as the Haleakalā High Altitude Observatory Site, is Hawaii's first astronomical research observatory. Currently, the PS1 telescope is in operation and the PS2 is in its commissioning phase.

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It will be owned and operated by the National Solar Observatory.

  • University of Hawaii Institute for Astronomy - Haleakala Observatory
  • "Maui's Night Sky" Time elapse photography of night sky from Haleakala by Wally Pacholka. Maui No Ka 'Oi Magazine Volume 14, Number 3 (May 2010)