Ian's Astro Page
http://www.nabu.net/astro/Sketches, scratchings, pictures, and links, and construction of piggyback camera adaptor.
Submitted in section: Astronomy: Amateur: Deep Sky Observing: Ian's Astro Page
Sketches, scratchings, pictures, and links, and construction of piggyback camera adaptor.
Submitted in section: Astronomy: Amateur: Deep Sky Observing: Ian's Astro Page