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Siding Spring Observatory Open Day
Events Coonabarabran, Warrumbungle Shire, New South Wales
Exhibition and Shows
3 Oct 2026 Annual Event
For just one day of the year, Siding Spring Observatory in Coonabarabran opens its telescopes to the public. It’s your chance to take a closer look at Australia’s largest optical astronomy site. A great family day out, with presentations by internationally-acclaimed astronomers, science displays, food stalls, solar observing and activities for children.
It’s a free event, no bookings needed.
Don’t worry there are buses running all around site if you don’t want to walk!
Facilities
Cafe
Carpark
Coach Parking
Kiosk
Public Toilet
Shop / Gift Shop
Rates
Free Entry
Event Dates
Annual Event
3 Oct 2026
