DEC 16, 2004
The Arms of NGC 7424
JAN 12, 2005
Barred Spiral Galaxy NGC 1300
JUN 6, 2008
Two-Armed Spiral Milky Way
JUN 22, 2008
Barred Spiral Galaxy NGC 1300
DEC 28, 2009
Barred Spiral Galaxy NGC 6217
FEB 20, 2012
Barred Spiral Galaxy NGC 1073
MAR 25, 2012
Barred Spiral Galaxy NGC 1300
JAN 9, 2016
Barred Spiral Galaxy NGC 1300
SEP 13, 2016
NGC 1672: Barred Spiral Galaxy from Hubble