Losmandy G11 review, tuning, and disassembly by Mischa Schirmer
Lumicon Giant Easy Guider (GEG) by Philip Perkins
Guiding techniques with ST-4 by Philip Perkins
Image acquisition and processing articles by Jerry Lodriguss
Image processing fundamentals (mathematical treatment)
Deep Sky Database lists (Saguaro Astronomy Club)
Collection of articles with various unique observing lists
All Sky Maps (Hawaiian Astronomical Society)
Deep Sky Observation Planner (by Tom Licha)
Deep-sky Objects by Constellation
Deep-sky Collections and Catalogs
Astronomy Observational Techniques (notes for a college course) by Jon Holtzman
Astronomical Formulae Collection by Ray Shapp
Astronomy Notes book on-line by Nick Strobel