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The 2.3m Advanced Technologies Telescope at Siding Spring Observatory

  • New 2.3m mirror

    • New 2.3m mirror
  • First light

    • First light
  • 2.3m

    • 2.3m
  • Prime Minister Bob Hawke opens the 2.3m ATT, 3 May 1985

    • Prime Minister Bob Hawke opens the 2.3m ATT,…
  • Opening

    • Opening
  • Crowd at the opening

    • Crowd at the opening
  • Inside the 2.3m building

    • Inside the 2.3m building
  • 2.3m ATT

    • 2.3m ATT
  • Control system

    • Control system