Knowledge Base

Adobe Photoshop Tips

AstroArt Tips

Basic Users Manual for DSLR Focus

Build a dew zapper

Canon Digital Rebel vs Canon 10D

Central Obstructions      

Constructing a field power supply

Digital Imaging Tips

Digital Techniques

Drift Alignment made simple

Drift Scanning

Formulae for Telescopes

How to clean optics

Modifying a Canon TC-80N3 remote/timer for use with DSLR Focus and Canon 10D camera

SCT Collimation

Signal to Noise Ratio and Image Combining

Star 2000 Relay Box Plans

The Collimation

The Pickering "Seeing" Scale  

Using CCDSoft software

What is HR?

Which scope should I buy?