VIIRS DNB image of the aurora australis, 23:46 UTC 17 March 2015 Published April 22, 2015 at 5969 × 6638 in The Aurora Seen Around The World VIIRS DNB image of the aurora australis, 23:46 UTC 17 March 2015. VIIRS DNB image of the aurora australis, 23:46 UTC 17 March 2015.