These cloudy nights have kept my garage door closed, and my telescope inside. I don’t usually like to make a blog entry without having some new astrophotography images to show, but at this point, I felt an update was needed. Time is running out to add more exposure to my winter astrophotography projects. If…
Update (2018): I now use a ZWO ASI290MM Mini guide camera with a 60mm Starfield guide scope for autoguiding. This camera has a slender, lightweight profile and an impressive SONY IMX290 Mono sensor. It is also compatible with the ASIair WiFi camera control device. My friends over at Ontario Telescope & Accessories have sent me…
A Bahtinov mask is a clever tool for precisely focusing an astronomical telescope. The distinctive pattern of the Bahtinov design was created by Russian amateur astrophotographer Pavel Bahtinov in 2005. To use the mask, you simply need to cover the telescope’s objective and point the telescope at a bright star. The mask creates a pattern…