2010

"Remote Imaging in the Northern and Southern Hemishperes"
Pacific Astronomy and Telescope Show (PATS), Pasadena, Ca

"Narrowband Filters for Astrophotography and Research"
University of Valencia, Dept. of Astronomy, Valencia, Spain

"The ABCs of Image Processing Workshop"
Advanced Imaging Conference (AIC) 2010, Santa Clara, Ca.

2009

"Narrowband Image Processing Workshop"
Pacific Astronomy and Telescope Show (PATS), Pasadena, Ca

"Narrowband Image Processing"
Chiefland Star Party, Cheifland, Fl

"Remote Imaging in the Northern and Southern Hemishperes"
Chiefland Star Party, Cheifland, Fl

2008

"Getting Into Astrophotography"
Sacramento Valley Astronomy Society (SVAS), Sacramento, Ca.

"Narrowband Filters for CCD Imaging"
Northeast Advanced Imaging Conference (NEAIC), Suffern, NY

"Narrowband Image Processing Workshop"
Pacific Astronomy and Telescope Show (PATS), Pasadena, Ca

2007

"Everything You Wanted to Know About Narrowband Filters but Were Afraid to Ask"
Advanced Imaging Conference (AIC) 2005, San Jose, Ca

2006

"Guiding Options for CCD Imaging"
Advanced Imaging Conference (AIC) 2005, San Jose, Ca

2005

"More Processing Tips"
Advanced Imaging Conference (AIC) 2005, San Jose, Ca.

2004

"So, You Want to Get Into Astrophotography"
RTMC, Big Bear Lake, Ca.

2003

"RGB Filters, Color and Light Pollution"
Imaging the Sky (ITS) 2002 Eugene, Or.

2002