Dark Sky Alliance

Can you see the stars?

Who has the darkest skies?

Tell us what you can see on the longest night, help us map Australia’s light pollution, and set a world record

Stunning video overlay and photos, spokespeople in all States and Territories

Stargazing at Siding Spring Observatory, near Coonabarabran, NSW.
Credit: Angel Lopez-Sanchez

Scientists are asking all Australians to step outside on the longest night of the year to help them measure light pollution around the country.

“We’re expecting thousands of people to join us on Australia’s longest night, Sunday 21 June, to help researchers create a map of Australia’s darkest skies, and learn about light pollution and its effect on people, animals, and astronomy,” says Marnie Ogg, CEO and founder of the Australasian Dark Sky Alliance.

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