A collection of useful links regarding astronomy. All these links open in a new window and I take no responsibility for the content of these websites.  My most commonly used links are on the right hand side of this webpage.

• Cloudy Nights website and forum
• Description of drift alignment
• Another article on alignment (Clay’s Kochab Clock)
• Cool software (recommended) for drift alignment (WCS)
• Information on collimation
• Making a Hartmann Mask
• Pete Peterson’s sky division products