MAR 28, 2004
Stars and the Bubble Nebula
APR 28, 2006
NGC 7635: Bubble in a Cosmic Sea
OCT 30, 2009
The Bubble and M52
SEP 14, 2011
The Bubble and M52
JUL 20, 2013
Comet Lemmon and the Deep Sky
DEC 14, 2013
The Bubble Nebula
OCT 2, 2014
The Bubble Nebula
APR 22, 2016
NGC 7635: The Bubble Nebula
OCT 26, 2017
NGC 7635: Bubble in a Cosmic Sea
APR 19, 2018
NGC 7635: The Bubble Nebula
SEP 25, 2021
The Bubble and the Star Cluster