Presentations

• Amateur Photometry with Small Telescopes (RASC 2005)
  (PPT) (PDF)
• The Science of Light (Shamrock School Feb 28, 2011)
  (PDF) (PPT)
• Photometry for Amateurs using iTelescopes (RASC Sept 14 2018)  
  (PDF) (YouTube)
• The Hale Telescope at Palomar: the 200″ at 70 (RASC Feb 9 2019)  
  (PDF) (YouTube)
• ATM and Open Astronomy (Spruce Woods Star Party Aug 31 2019)
  (PDF) (PPTX) (Demo)
• Building a Backyard Observatory (RASC Oct 2019)
  (PPTX) (PDF) (Youtube)
• Open Astronomy (RASC May 8 2020)
  (YouTube)
• Boots on Mars this Decade (RASC February 11 2022)
  (PPTX) (PDF) (Video MP4) (Youtube)