VIIRS DNB image of the aurora australis, 20:20 UTC 17 March 2015 Published April 22, 2015 at 7227 × 9370 in The Aurora Seen Around The World VIIRS DNB image of the aurora australis, 20:20 UTC 17 March 2015. VIIRS DNB image of the aurora australis, 20:20 UTC 17 March 2015.