JAN 12, 2006
Infrared Helix
AUG 3, 2007
NGC 7293: The Helix Nebula
SEP 4, 2008
Spokes in the Helix Nebula
JAN 8, 2011
NGC 7293: The Helix Nebula
OCT 4, 2012
NGC 7293: The Helix Nebula
JAN 10, 2014
NGC 7293: The Helix Nebula
OCT 14, 2021
NGC 7293: The Helix Nebula
DEC 7, 2022
NGC 7293: The Helix Nebula
OCT 24, 2024
NGC 7293: The Helix Nebula