FEB 21, 2004
The Spiral Arms of NGC 4622
DEC 1, 2006
In the Arms of NGC 1097
APR 11, 2007
The Arms of NGC 4258
MAR 29, 2008
Spiral Galaxy NGC 2841
JUN 6, 2008
Two-Armed Spiral Milky Way
APR 14, 2009
M101: The Pinwheel Galaxy
JAN 14, 2010
M94: A New Perspective
OCT 11, 2010
NGC 2683: Spiral Edge-On
JAN 8, 2013
Grand Spiral Galaxy NGC 7424
MAY 20, 2014
In the Center of Spiral Galaxy M61
SEP 6, 2016
The Whirlpool Galaxy and Beyond
MAY 20, 2017
A View Toward M101
APR 5, 2018
NGC 289: Swirl in the Southern Sky
MAY 4, 2018
The View Toward M101
MAR 15, 2019
A View Toward M101
MAR 25, 2019
Arp 194: Merging Galaxy Group
JUL 2, 2019
NGC 1566: The Spanish Dancer Spiral Galaxy
OCT 15, 2021
NGC 289: Swirl in the Southern Sky