9 Replies to “Contest #278 hint”

  1. Observatorio Siding Spring, Australia
    (31°16’30.79″S – 149° 4’2.24″E)

  2. The Siding Springs Observatory
    near Coonabarabran, New South Wales, Australia
    31° 16? 24? S, 149° 3? 52? E

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