https://phys.org/news/2018-05-anu-stargazing-world.html > The effort was so great that Guinness World Records officials were unable to confirm the final numbers on the ABC's final Stargazing Live episode. > ANU held the previous Guinness World Records title for the Most people stargazing multiple venues – just shy of 8,000 participants across 37 locations in Australia looked up to the night-sky at the same time on 21 August 2015.