JUN 26, 2004
Neptune: Still Springtime After All These Years
MAR 25, 2006
Northern Spring on Mars
JUN 26, 2009
Solstice to Solstice Solargraph
JUL 3, 2009
Perihelion and Aphelion
JAN 15, 2010
Scenes from Two Hemispheres
JAN 21, 2012
Days in the Sun
JUL 21, 2013
The Seasons of Saturn
JUL 24, 2013
A Year of Sky on Earth
JUN 21, 2015
Rings and Seasons of Saturn
SEP 18, 2022
Analemma over the Callanish Stones