Deepsky Observer's Companion
http://www.fortunecity.com/roswell/borley/49/Tutorials, chart index, discussions, certificates, and resources.
Submitted in section: Astronomy: Amateur: Deep Sky Observing: Deepsky Observer's Companion
Tutorials, chart index, discussions, certificates, and resources.
Submitted in section: Astronomy: Amateur: Deep Sky Observing: Deepsky Observer's Companion